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This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.
Daily listings are sent to bgp-stats(a)lists.apnic.net
For historical data, please see http://thyme.rand.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz(a)gmail.com>.
Routing Table Report 04:00 +10GMT Sat 27 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 452463
Prefixes after maximum aggregation: 184927
Deaggregation factor: 2.45
Unique aggregates announced to Internet: 223134
Total ASes present in the Internet Routing Table: 43963
Prefixes per ASN: 10.29
Origin-only ASes present in the Internet Routing Table: 34555
Origin ASes announcing only one prefix: 16096
Transit ASes present in the Internet Routing Table: 5809
Transit-only ASes present in the Internet Routing Table: 147
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 19037) 22
Prefixes from unregistered ASNs in the Routing Table: 316
Unregistered ASNs in the Routing Table: 133
Number of 32-bit ASNs allocated by the RIRs: 4742
Number of 32-bit ASNs visible in the Routing Table: 3599
Prefixes from 32-bit ASNs in the Routing Table: 10189
Special use prefixes present in the Routing Table: 22
Prefixes being announced from unallocated address space: 199
Number of addresses announced to Internet: 2615429996
Equivalent to 155 /8s, 228 /16s and 75 /24s
Percentage of available address space announced: 70.6
Percentage of allocated address space announced: 70.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.4
Total number of prefixes smaller than registry allocations: 159320
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108746
Total APNIC prefixes after maximum aggregation: 33420
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 109994
Unique aggregates announced from the APNIC address blocks: 44571
APNIC Region origin ASes present in the Internet Routing Table: 4837
APNIC Prefixes per ASN: 22.74
APNIC Region origin ASes announcing only one prefix: 1228
APNIC Region transit ASes present in the Internet Routing Table: 818
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 509
Number of APNIC addresses announced to Internet: 720942304
Equivalent to 42 /8s, 248 /16s and 180 /24s
Percentage of available APNIC address space announced: 84.3
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
222/8, 223/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 158813
Total ARIN prefixes after maximum aggregation: 79935
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 159458
Unique aggregates announced from the ARIN address blocks: 72851
ARIN Region origin ASes present in the Internet Routing Table: 15671
ARIN Prefixes per ASN: 10.18
ARIN Region origin ASes announcing only one prefix: 5971
ARIN Region transit ASes present in the Internet Routing Table: 1626
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 18
Number of ARIN addresses announced to Internet: 1063168896
Equivalent to 63 /8s, 94 /16s and 171 /24s
Percentage of available ARIN address space announced: 56.2
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8,
129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8,
205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8,
216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 116767
Total RIPE prefixes after maximum aggregation: 59562
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120320
Unique aggregates announced from the RIPE address blocks: 77310
RIPE Region origin ASes present in the Internet Routing Table: 17150
RIPE Prefixes per ASN: 7.02
RIPE Region origin ASes announcing only one prefix: 8143
RIPE Region transit ASes present in the Internet Routing Table: 2794
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2308
Number of RIPE addresses announced to Internet: 656946660
Equivalent to 39 /8s, 40 /16s and 53 /24s
Percentage of available RIPE address space announced: 95.5
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
59392-61439, 196608-199679
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 47383
Total LACNIC prefixes after maximum aggregation: 9451
LACNIC Deaggregation factor: 5.01
Prefixes being announced from the LACNIC address blocks: 51423
Unique aggregates announced from the LACNIC address blocks: 24391
LACNIC Region origin ASes present in the Internet Routing Table: 1912
LACNIC Prefixes per ASN: 26.89
LACNIC Region origin ASes announcing only one prefix: 568
LACNIC Region transit ASes present in the Internet Routing Table: 354
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 758
Number of LACNIC addresses announced to Internet: 127623720
Equivalent to 7 /8s, 155 /16s and 98 /24s
Percentage of available LACNIC address space announced: 76.1
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-62463, 262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 10481
Total AfriNIC prefixes after maximum aggregation: 2518
AfriNIC Deaggregation factor: 4.16
Prefixes being announced from the AfriNIC address blocks: 11069
Unique aggregates announced from the AfriNIC address blocks: 3827
AfriNIC Region origin ASes present in the Internet Routing Table: 619
AfriNIC Prefixes per ASN: 17.88
AfriNIC Region origin ASes announcing only one prefix: 186
AfriNIC Region transit ASes present in the Internet Routing Table: 130
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 46315264
Equivalent to 2 /8s, 194 /16s and 183 /24s
Percentage of available AfriNIC address space announced: 46.0
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 2950 11558 922 Korea Telecom (KIX)
17974 2512 839 90 PT TELEKOMUNIKASI INDONESIA
7545 1888 320 109 TPG Internet Pty Ltd
4755 1739 392 198 TATA Communications formerly
9829 1504 1205 40 BSNL National Internet Backbo
9583 1285 98 538 Sify Limited
7552 1172 1064 12 Vietel Corporation
4808 1117 2110 326 CNCGROUP IP network: China169
9498 1088 310 73 BHARTI Airtel Ltd.
24560 1071 385 164 Bharti Airtel Ltd., Telemedia
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3033 3694 86 bellsouth.net, inc.
7029 2174 1265 212 Windstream Communications Inc
18566 2067 382 184 Covad Communications
1785 1989 677 124 PaeTec Communications, Inc.
22773 1970 2929 125 Cox Communications, Inc.
20115 1669 1610 613 Charter Communications
4323 1609 1139 398 Time Warner Telecom
30036 1342 298 652 Mediacom Communications Corp
7018 1314 10805 850 AT&T WorldNet Services
11492 1239 228 330 Cable One
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1802 544 16 Corbina telecom
2118 1430 97 13 EUnet/RELCOM Autonomous Syste
34984 1149 235 206 BILISIM TELEKOM
12479 839 785 66 Uni2 Autonomous System
13188 834 99 70 Educational Network
20940 815 285 650 Akamai Technologies European
31148 797 41 21 FreeNet ISP
6830 775 2376 446 UPC Distribution Services
8551 764 370 43 Bezeq International
58113 666 74 386 LIR DATACENTER TELECOM SRL
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 2700 1468 102 NET Servicos de Comunicao S.A
10620 2383 413 215 TVCABLE BOGOTA
7303 1681 1154 214 Telecom Argentina Stet-France
8151 1236 2692 395 UniNet S.A. de C.V.
6503 1065 435 68 AVANTEL, S.A.
18881 906 780 19 Global Village Telecom
27947 815 88 94 Telconet S.A
11830 716 364 14 Instituto Costarricense de El
3816 696 306 85 Empresa Nacional de Telecomun
7738 650 1306 35 Telecomunicacoes da Bahia S.A
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36998 1286 80 4 MOBITEL
24863 702 274 33 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 404 956 9 TEDATA
24835 274 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
15706 222 32 6 Sudatel Internet Exchange Aut
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
33776 181 12 19 Starcomms Nigeria Limited
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3033 3694 86 bellsouth.net, inc.
4766 2950 11558 922 Korea Telecom (KIX)
28573 2700 1468 102 NET Servicos de Comunicao S.A
17974 2512 839 90 PT TELEKOMUNIKASI INDONESIA
10620 2383 413 215 TVCABLE BOGOTA
7029 2174 1265 212 Windstream Communications Inc
18566 2067 382 184 Covad Communications
1785 1989 677 124 PaeTec Communications, Inc.
22773 1970 2929 125 Cox Communications, Inc.
7545 1888 320 109 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
28573 2700 2598 NET Servicos de Comunicao S.A
17974 2512 2422 PT TELEKOMUNIKASI INDONESIA
10620 2383 2168 TVCABLE BOGOTA
4766 2950 2028 Korea Telecom (KIX)
7029 2174 1962 Windstream Communications Inc
18566 2067 1883 Covad Communications
1785 1989 1865 PaeTec Communications, Inc.
22773 1970 1845 Cox Communications, Inc.
8402 1802 1786 Corbina telecom
7545 1888 1779 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
30031 UNALLOCATED 12.27.122.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 209 Qwest
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic
33649 UNALLOCATED 12.111.112.0/24 19029 New Edge Networks
26064 UNALLOCATED 12.149.37.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
128.0.0.0/24 2876 Jump Management SRL
128.0.16.0/21 43568 RIPE Network Coordination Cen
128.0.24.0/21 41794 Altline LLC
128.0.55.0/24 48571 SC efectRO SRL
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
128.0.60.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.61.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.62.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.63.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.72.0/21 23456 32-bit ASN transition
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
41.222.80.0/21 37110 Moztel LDA
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
64.185.224.0/24 27431 JTL Networks Inc.
64.185.225.0/24 27431 JTL Networks Inc.
64.185.226.0/24 27431 JTL Networks Inc.
64.185.227.0/24 27431 JTL Networks Inc.
64.185.228.0/24 27431 JTL Networks Inc.
64.185.229.0/24 27431 JTL Networks Inc.
64.185.230.0/24 27431 JTL Networks Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:16 /9:13 /10:29 /11:88 /12:249
/13:486 /14:885 /15:1566 /16:12687 /17:6635 /18:11105
/19:21997 /20:32039 /21:33962 /22:47079 /23:41918 /24:237699
/25:1343 /26:1662 /27:857 /28:45 /29:66 /30:18
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2018 2067 Covad Communications
6389 1738 3033 bellsouth.net, inc.
7029 1611 2174 Windstream Communications Inc
8402 1500 1802 Corbina telecom
22773 1280 1970 Cox Communications, Inc.
36998 1280 1286 MOBITEL
30036 1216 1342 Mediacom Communications Corp
11492 1198 1239 Cable One
1785 1060 1989 PaeTec Communications, Inc.
6983 1006 1133 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:781 2:757 3:3 4:15 5:876 6:5
8:550 12:1918 13:3 14:773 15:11 16:3
17:9 20:18 23:273 24:1763 27:1489 31:1249
32:43 33:2 34:5 36:44 37:1801 38:867
39:2 40:171 41:2767 42:186 44:6 46:1874
47:2 49:629 50:685 52:12 54:32 55:9
57:27 58:1139 59:588 60:308 61:1453 62:1032
63:2040 64:4314 65:2178 66:4312 67:2058 68:1118
69:3248 70:873 71:536 72:1956 74:2550 75:416
76:289 77:1112 78:1052 79:583 80:1242 81:984
82:618 83:569 84:523 85:1169 86:463 87:978
88:526 89:1807 90:280 91:5504 92:618 93:1730
94:1837 95:1542 96:521 97:343 98:1051 99:41
100:29 101:318 103:2509 105:520 106:143 107:209
108:517 109:1839 110:864 111:1046 112:503 113:785
114:699 115:1012 116:890 117:798 118:1058 119:1268
120:404 121:826 122:1757 123:1231 124:1334 125:1331
128:638 129:223 130:324 131:654 132:340 133:149
134:254 135:64 136:224 137:249 138:346 139:197
140:206 141:322 142:546 143:377 144:488 145:92
146:507 147:389 148:694 149:370 150:166 151:533
152:419 153:195 154:39 155:394 156:265 157:394
158:275 159:722 160:337 161:423 162:406 163:207
164:587 165:450 166:334 167:580 168:1032 169:133
170:1026 171:177 172:5 173:1603 174:589 175:462
176:1277 177:1856 178:1834 179:4 180:1412 181:409
182:1144 183:373 184:672 185:395 186:2295 187:1326
188:2047 189:1376 190:6164 192:6547 193:5838 194:4650
195:3492 196:1316 197:941 198:4391 199:5280 200:5899
201:2407 202:8882 203:8790 204:4518 205:2559 206:2843
207:2857 208:4053 209:3613 210:2953 211:1552 212:2043
213:1900 214:914 215:98 216:5199 217:1572 218:617
219:347 220:1273 221:554 222:317 223:443
End of report
1
0
All,
With apologies for this being issued so late, here is the working agenda for our meeting in Dublin. We are likely to add one more talk to this next week, but I'd also ask you to note item (D). It was suggested that we have a panel discussion on this topic, but I've not had the opportunity to set it up, so instead I would like to you to have a quick think about the pros and cons of not advertising infrastructure/IXP prefixes (e.g. not having to sink a multi-Gbps DDoS reaching your network, vs breaking traceroute and PMTU discovery) for a discussion at the microphones, and to see if there is some work we can do as a working group.
We may still come back to this as a panel discussion in Athens later in the year.
A. Administration
i) Microphone etiquette
ii) Scribe, Jabber, Stenography
iii) Minutes from RIPE 65
iv) Agenda bashing
B. Route Object Creation Issues
George Michaelson
C. Segment Routing
Clarence Filsfils and Christian Martin
D. Open discussion on advertising IXP and backbone prefixes
E. AOB
All the best,
Joao and Rob
1
0
[apologies for duplicates]
Dear colleagues,
Please find some interesting research by Andra Lutu, Marcelo Bagnulo and
Olaf Maennel on RIPE Labs: "The BGP Visibility Scanner"
https://labs.ripe.net/Members/andra_lutu/the-bgp-visibility-scanner
The authors developed a tool that checks if prefixes have limited
visibility. The article describes some of the results found after
analysing many months of global routing table data.
Please also note the call for feedback at the end of the article.
Kind regards,
Mirjam Kuehne
RIPE NCC
1
0
BGP Update Report
Interval: 11-Apr-13 -to- 18-Apr-13 (7 days)
Observation Point: BGP Peering with AS131072
TOP 20 Unstable Origin AS
Rank ASN Upds % Upds/Pfx AS-Name
1 - AS47331 72724 3.2% 35.3 -- TTNET TTNet A.S.
2 - AS58113 67954 3.0% 102.0 -- LIR-AS LIR DATACENTER TELECOM SRL
3 - AS9829 61658 2.8% 74.6 -- BSNL-NIB National Internet Backbone
4 - AS8402 39683 1.8% 35.6 -- CORBINA-AS OJSC "Vimpelcom"
5 - AS3909 25132 1.1% 6283.0 -- QWEST-AS-3908 - Qwest Communications Company, LLC
6 - AS2708 18314 0.8% 231.8 -- Universidad de Guanajuato
7 - AS36998 16814 0.8% 24.2 -- SDN-MOBITEL
8 - AS24863 15868 0.7% 27.5 -- LINKdotNET-AS
9 - AS28573 15560 0.7% 10.3 -- NET Serviços de Comunicação S.A.
10 - AS34984 15326 0.7% 21.1 -- TELLCOM-AS TELLCOM ILETISIM HIZMETLERI A.S.
11 - AS33776 14457 0.7% 116.6 -- STARCOMMS-ASN
12 - AS21947 13698 0.6% 1956.9 -- TRANSARIA - TransAria, Inc.
13 - AS17974 13486 0.6% 10.8 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia
14 - AS6713 13478 0.6% 25.3 -- IAM-AS
15 - AS8551 13196 0.6% 17.0 -- BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbone
16 - AS4538 12952 0.6% 27.6 -- ERX-CERNET-BKB China Education and Research Network Center
17 - AS27738 12662 0.6% 22.3 -- Ecuadortelecom S.A.
18 - AS2118 12473 0.6% 8.8 -- RELCOM-AS OOO "NPO Relcom"
19 - AS29049 11133 0.5% 32.9 -- DELTA-TELECOM-AS Delta Telecom LTD.
20 - AS22561 10874 0.5% 57.5 -- DIGITAL-TELEPORT - Digital Teleport Inc.
TOP 20 Unstable Origin AS (Updates per announced prefix)
Rank ASN Upds % Upds/Pfx AS-Name
1 - AS6629 7384 0.3% 7384.0 -- NOAA-AS - NOAA
2 - AS10987 6953 0.3% 6953.0 -- PLUMCREEK-AS - Plum Creek Marketing, Inc.
3 - AS33521 6660 0.3% 6660.0 -- MSLA-SCHOOLS - Missoula County Public Schools
4 - AS3909 25132 1.1% 6283.0 -- QWEST-AS-3908 - Qwest Communications Company, LLC
5 - AS19406 4161 0.2% 4161.0 -- TWRS-MA - Towerstream I, Inc.
6 - AS53168 4066 0.2% 4066.0 -- CIA ESTADUAL DE GERAÇÃO E TRANSMISSÃO DE ENERGIA E
7 - AS6174 5682 0.2% 2841.0 -- SPRINTLINK8 - Sprint
8 - AS14680 6894 0.3% 2298.0 -- REALE-6 - Auction.com
9 - AS21947 13698 0.6% 1956.9 -- TRANSARIA - TransAria, Inc.
10 - AS48612 8605 0.4% 1229.3 -- RTC-ORENBURG-AS CJSC "Comstar-Regions"
11 - AS37367 2377 0.1% 1188.5 -- CALLKEY
12 - AS5074 2376 0.1% 1188.0 -- ASN-ATTELS - AT&T BMGS
13 - AS9950 3468 0.2% 1156.0 -- PUBNETPLUS2-AS-KR DACOM
14 - AS4467 1122 0.1% 1122.0 -- EASYLINK3 - AT&T Services, Inc.
15 - AS42860 1021 0.1% 1021.0 -- EFT Energy Financing Team (Switzerland) AG
16 - AS55062 991 0.0% 991.0 -- GSC-MINNEAPOLISMN - Gannett Supply Corp. - Minneapolis, MN
17 - AS22216 7505 0.3% 750.5 -- SIEMENS-PLM - Siemens Corporation
18 - AS23295 750 0.0% 750.0 -- EA-01 - Extend America
19 - AS17293 2933 0.1% 733.2 -- VTXC - VTX Communications
20 - AS17783 961 0.0% 480.5 -- SRILRPG-AS SRIL RPG Autonomous System
TOP 20 Unstable Prefixes
Rank Prefix Upds % Origin AS -- AS Name
1 - 209.142.140.0/24 9691 0.4% AS22561 -- DIGITAL-TELEPORT - Digital Teleport Inc.
2 - 92.246.207.0/24 8589 0.4% AS48612 -- RTC-ORENBURG-AS CJSC "Comstar-Regions"
3 - 193.19.90.0/23 8448 0.3% AS25233 -- AWALNET-ASN Arab Company For Internet & Communications Services (AwalNet)LLC
AS29684 -- NOURNET-ASN Nour Communication Co.Ltd - Nournet
4 - 151.118.18.0/24 7549 0.3% AS3909 -- QWEST-AS-3908 - Qwest Communications Company, LLC
5 - 151.118.255.0/24 7520 0.3% AS3909 -- QWEST-AS-3908 - Qwest Communications Company, LLC
6 - 151.118.254.0/24 7520 0.3% AS3909 -- QWEST-AS-3908 - Qwest Communications Company, LLC
7 - 192.58.232.0/24 7384 0.3% AS6629 -- NOAA-AS - NOAA
8 - 209.200.208.0/24 6987 0.3% AS21947 -- TRANSARIA - TransAria, Inc.
9 - 199.0.244.0/22 6953 0.3% AS10987 -- PLUMCREEK-AS - Plum Creek Marketing, Inc.
10 - 69.165.112.0/20 6676 0.3% AS21947 -- TRANSARIA - TransAria, Inc.
11 - 64.25.130.0/24 6660 0.3% AS33521 -- MSLA-SCHOOLS - Missoula County Public Schools
12 - 12.139.133.0/24 5612 0.2% AS14680 -- REALE-6 - Auction.com
13 - 202.41.70.0/24 5004 0.2% AS2697 -- ERX-ERNET-AS Education and Research Network
14 - 194.63.9.0/24 4682 0.2% AS1273 -- CW Cable and Wireless Worldwide plc
15 - 69.38.178.0/24 4161 0.2% AS19406 -- TWRS-MA - Towerstream I, Inc.
16 - 186.219.192.0/20 4066 0.2% AS53168 -- CIA ESTADUAL DE GERAÇÃO E TRANSMISSÃO DE ENERGIA E
17 - 58.184.229.0/24 3392 0.1% AS9950 -- PUBNETPLUS2-AS-KR DACOM
18 - 2.93.235.0/24 2858 0.1% AS8402 -- CORBINA-AS OJSC "Vimpelcom"
19 - 206.105.75.0/24 2841 0.1% AS6174 -- SPRINTLINK8 - Sprint
20 - 208.16.110.0/24 2841 0.1% AS6174 -- SPRINTLINK8 - Sprint
Details at http://bgpupdates.potaroo.net
------------------------------------
Copies of this report are mailed to:
nanog(a)nanog.org
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1
0
This report has been generated at Fri Apr 19 21:13:18 2013 AEST.
The report analyses the BGP Routing Table of AS2.0 router
and generates a report on aggregation potential within the table.
Check http://www.cidr-report.org for a current version of this report.
Recent Table History
Date Prefixes CIDR Agg
12-04-13 452468 259891
13-04-13 452722 260158
14-04-13 452855 259735
15-04-13 452981 259914
16-04-13 453089 260043
17-04-13 452364 260094
18-04-13 452245 260759
19-04-13 452740 260944
AS Summary
44002 Number of ASes in routing system
18232 Number of ASes announcing only one prefix
3037 Largest number of prefixes announced by an AS
AS6389 : BELLSOUTH-NET-BLK - BellSouth.net Inc.
116992736 Largest address span announced by an AS (/32s)
AS4134 : CHINANET-BACKBONE No.31,Jin-rong Street
Aggregation Summary
The algorithm used in this report proposes aggregation only
when there is a precise match using the AS path, so as
to preserve traffic transit policies. Aggregation is also
proposed across non-advertised address space ('holes').
--- 19Apr13 ---
ASnum NetsNow NetsAggr NetGain % Gain Description
Table 452863 260867 191996 42.4% All ASes
AS6389 3037 91 2946 97.0% BELLSOUTH-NET-BLK -
BellSouth.net Inc.
AS4766 2952 938 2014 68.2% KIXS-AS-KR Korea Telecom
AS17974 2514 570 1944 77.3% TELKOMNET-AS2-AP PT
Telekomunikasi Indonesia
AS28573 2629 787 1842 70.1% NET Serviços de Comunicação
S.A.
AS22773 1984 197 1787 90.1% ASN-CXA-ALL-CCI-22773-RDC -
Cox Communications Inc.
AS18566 2067 473 1594 77.1% COVAD - Covad Communications
Co.
AS2118 1430 49 1381 96.6% RELCOM-AS OOO "NPO Relcom"
AS7303 1676 449 1227 73.2% Telecom Argentina S.A.
AS4323 1612 402 1210 75.1% TWTC - tw telecom holdings,
inc.
AS10620 2374 1252 1122 47.3% Telmex Colombia S.A.
AS4755 1738 643 1095 63.0% TATACOMM-AS TATA
Communications formerly VSNL
is Leading ISP
AS7552 1170 198 972 83.1% VIETEL-AS-AP Vietel
Corporation
AS7029 2173 1240 933 42.9% WINDSTREAM - Windstream
Communications Inc
AS18881 859 21 838 97.6% Global Village Telecom
AS18101 1001 179 822 82.1% RELIANCE-COMMUNICATIONS-IN
Reliance Communications
Ltd.DAKC MUMBAI
AS36998 1137 382 755 66.4% SDN-MOBITEL
AS1785 1974 1226 748 37.9% AS-PAETEC-NET - PaeTec
Communications, Inc.
AS4808 1107 367 740 66.8% CHINA169-BJ CNCGROUP IP
network China169 Beijing
Province Network
AS13977 839 130 709 84.5% CTELCO - FAIRPOINT
COMMUNICATIONS, INC.
AS855 737 54 683 92.7% CANET-ASN-4 - Bell Aliant
Regional Communications, Inc.
AS6983 1134 482 652 57.5% ITCDELTA - ITC^Deltacom
AS8151 1243 607 636 51.2% Uninet S.A. de C.V.
AS22561 1085 454 631 58.2% DIGITAL-TELEPORT - Digital
Teleport Inc.
AS17676 730 108 622 85.2% GIGAINFRA Softbank BB Corp.
AS24560 1067 447 620 58.1% AIRTELBROADBAND-AS-AP Bharti
Airtel Ltd., Telemedia
Services
AS3549 1055 446 609 57.7% GBLX Global Crossing Ltd.
AS34744 656 51 605 92.2% GVM S.C. GVM SISTEM 2003
S.R.L.
AS3356 1090 494 596 54.7% LEVEL3 Level 3 Communications
AS17908 793 197 596 75.2% TCISL Tata Communications
AS19262 999 403 596 59.7% VZGNI-TRANSIT - Verizon Online
LLC
Total 44862 13337 31525 70.3% Top 30 total
Possible Bogus Routes
10.86.64.32/30 AS65530 -Private Use AS-
10.86.64.36/30 AS65530 -Private Use AS-
10.86.65.32/30 AS65530 -Private Use AS-
10.86.65.36/30 AS65530 -Private Use AS-
10.255.255.0/30 AS65530 -Private Use AS-
10.255.255.4/30 AS65530 -Private Use AS-
10.255.255.8/30 AS65530 -Private Use AS-
41.222.80.0/21 AS37110 moztel-as
62.61.220.0/24 AS24974 TACHYON-EU Tachyon Europe BV
62.61.221.0/24 AS24974 TACHYON-EU Tachyon Europe BV
64.185.224.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.225.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.226.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.227.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.228.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.229.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.230.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.231.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.232.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.233.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.234.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.235.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.236.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.237.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.238.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.239.0/24 AS27431 JTLNET - JTL Networks Inc.
64.187.208.0/24 AS174 COGENT Cogent/PSI
65.111.1.0/24 AS32258 SDNGLOBAL - SDN Global
66.180.239.0/24 AS35888 VIGNETTE - VIGNETTE CORPORATION
66.251.128.0/24 AS33227 BLUEBRIDGE-NETWORKS - Blue Bridge Networks
66.251.133.0/24 AS33227 BLUEBRIDGE-NETWORKS - Blue Bridge Networks
66.251.134.0/24 AS33227 BLUEBRIDGE-NETWORKS - Blue Bridge Networks
66.251.136.0/21 AS33227 BLUEBRIDGE-NETWORKS - Blue Bridge Networks
66.251.140.0/24 AS33227 BLUEBRIDGE-NETWORKS - Blue Bridge Networks
66.251.141.0/24 AS33227 BLUEBRIDGE-NETWORKS - Blue Bridge Networks
66.251.142.0/24 AS33227 BLUEBRIDGE-NETWORKS - Blue Bridge Networks
69.46.224.0/20 AS32592 HUNT-BROTHERS-OF-LOUISIANA-LLC - Hunt Brothers
69.46.233.0/24 AS32592 HUNT-BROTHERS-OF-LOUISIANA-LLC - Hunt Brothers
69.46.236.0/24 AS32592 HUNT-BROTHERS-OF-LOUISIANA-LLC - Hunt Brothers
71.19.134.0/23 AS3313 INET-AS BT Italia S.p.A.
72.35.224.0/22 AS30097 NUWAVE - NuWave
72.35.229.0/24 AS30188 TELEVERGENCE - Televergence Solutions Inc.
72.35.232.0/21 AS30097 NUWAVE - NuWave
72.44.16.0/20 AS15054 NORTHEAST-TEXAS-BROADBAND-LLC - Northeast Texas Broadband, LLC
74.91.48.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.49.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.50.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.51.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.52.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.53.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.54.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.55.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.56.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.57.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.58.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.59.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.60.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.61.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.62.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.63.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.115.124.0/23 AS46540 NARSASN - National Asset Recovery Services, Inc
81.22.64.0/20 AS5511 OPENTRANSIT France Telecom S.A.
82.101.160.0/19 AS5511 OPENTRANSIT France Telecom S.A.
91.197.36.0/22 AS43359
100.100.0.0/24 AS4847 CNIX-AP China Networks Inter-Exchange
102.2.88.0/22 AS38456 PACTEL-AS-AP Pacific Teleports.
110.34.44.0/22 AS12653 COMTONET KB Impuls Hellas S.A.
116.206.72.0/24 AS6461 MFNX MFN - Metromedia Fiber Network
116.206.85.0/24 AS6461 MFNX MFN - Metromedia Fiber Network
116.206.103.0/24 AS6461 MFNX MFN - Metromedia Fiber Network
117.120.56.0/21 AS4755 TATACOMM-AS TATA Communications formerly VSNL is Leading ISP
121.46.0.0/16 AS4134 CHINANET-BACKBONE No.31,Jin-rong Street
142.54.0.0/19 AS23498 CDSI - Cogeco Data Services LP
164.138.97.0/24 AS58101
172.102.0.0/22 AS4812 CHINANET-SH-AP China Telecom (Group)
172.116.0.0/24 AS7018 ATT-INTERNET4 - AT&T Services, Inc.
177.67.69.0/24 AS26251 FUNDACAO JOAO PAULO II
185.24.112.0/22 AS38917 KOMTEL-AS INTERCOMTEL Limited Company
190.3.160.0/21 AS27975 SYNAPSIS COLOMBIA LTDA
190.52.192.0/24 AS27919
190.52.193.0/24 AS27919
190.52.194.0/24 AS27919
190.52.195.0/24 AS27919
190.52.196.0/24 AS3549 GBLX Global Crossing Ltd.
190.52.197.0/24 AS27919
190.52.198.0/24 AS27919
190.52.199.0/24 AS3549 GBLX Global Crossing Ltd.
190.52.200.0/24 AS27947 Telconet S.A
190.52.201.0/24 AS27947 Telconet S.A
190.52.202.0/24 AS3549 GBLX Global Crossing Ltd.
190.52.203.0/24 AS3549 GBLX Global Crossing Ltd.
190.52.205.0/24 AS3549 GBLX Global Crossing Ltd.
190.52.206.0/24 AS3549 GBLX Global Crossing Ltd.
190.52.207.0/24 AS3549 GBLX Global Crossing Ltd.
190.111.96.0/20 AS27589 MOJOHOST - MOJOHOST
190.111.128.0/20 AS27589 MOJOHOST - MOJOHOST
190.111.144.0/20 AS27589 MOJOHOST - MOJOHOST
190.111.160.0/20 AS27589 MOJOHOST - MOJOHOST
190.111.176.0/20 AS27589 MOJOHOST - MOJOHOST
190.115.64.0/20 AS27589 MOJOHOST - MOJOHOST
190.115.80.0/20 AS27589 MOJOHOST - MOJOHOST
190.124.252.0/22 AS7303 Telecom Argentina S.A.
191.255.0.0/16 AS6983 ITCDELTA - ITC^Deltacom
195.177.244.0/23 AS29444
200.1.112.0/24 AS29754 GO2TEL GO2TEL.COM INC.
200.53.0.0/19 AS22011 Metro Net, S.A.P.I. de C.V.
200.58.248.0/21 AS27849
200.107.248.0/24 AS27919
200.107.249.0/24 AS27919
200.107.250.0/24 AS27919
200.107.251.0/24 AS27919
200.107.252.0/24 AS28006 CORPORACION NACIONAL DE TELECOMUNICACIONES - CNT EP
201.71.16.0/20 AS28638
201.77.96.0/20 AS28639
201.222.32.0/20 AS27821
202.8.106.0/24 AS9530 SHINSEGAE-AS SHINSEGAE I&C Co., Ltd.
202.58.113.0/24 AS19161
202.65.96.0/20 AS2706 PI-HK Pacnet Internet (Hong Kong) Limited
202.73.240.0/20 AS2706 PI-HK Pacnet Internet (Hong Kong) Limited
202.83.120.0/21 AS37972
202.83.124.0/24 AS37972
202.83.125.0/24 AS37972
202.83.126.0/24 AS37972
202.94.1.0/24 AS4808 CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network
202.174.125.0/24 AS9498 BBIL-AP BHARTI Airtel Ltd.
202.176.1.0/24 AS9942 COMINDICO-AP SOUL Converged Communications Australia
202.179.134.0/24 AS23966 LDN-AS-PK LINKdotNET Telecom Limited
203.23.1.0/24 AS18111 NETSPEED-AS-AP Netspeed Internet Communications
203.24.38.0/24 AS18111 NETSPEED-AS-AP Netspeed Internet Communications
203.30.127.0/24 AS18111 NETSPEED-AS-AP Netspeed Internet Communications
203.32.86.0/23 AS18111 NETSPEED-AS-AP Netspeed Internet Communications
203.32.86.0/24 AS18111 NETSPEED-AS-AP Netspeed Internet Communications
203.32.87.0/24 AS18111 NETSPEED-AS-AP Netspeed Internet Communications
203.142.219.0/24 AS45149
204.9.116.0/22 AS30097 NUWAVE - NuWave
204.10.88.0/21 AS3356 LEVEL3 Level 3 Communications
204.10.92.0/23 AS30097 NUWAVE - NuWave
204.10.94.0/23 AS30097 NUWAVE - NuWave
204.10.112.0/21 AS27027 ANBELL ASN-ANBELL
204.11.112.0/22 AS14745 INTERNAP-BLOCK-4 - Internap Network Services Corporation
205.211.160.0/24 AS30045 UHN-ASN - University Health Network
206.81.112.0/20 AS32618 ADKNO-KC - Adknowledge, Inc.
206.197.184.0/24 AS23304 DATOTEL-STL-AS - Datotel LLC, a NetLabs LLC Company
206.221.176.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.177.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.178.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.179.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.180.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.181.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.182.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.183.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.184.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.185.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.186.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.187.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.188.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.189.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.190.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.191.0/24 AS27431 JTLNET - JTL Networks Inc.
207.174.131.0/24 AS26116 INDRA - Indra's Net Inc
207.174.132.0/23 AS26116 INDRA - Indra's Net Inc
207.174.152.0/23 AS26116 INDRA - Indra's Net Inc
207.174.154.0/24 AS26116 INDRA - Indra's Net Inc
207.174.155.0/24 AS26116 INDRA - Indra's Net Inc
207.174.200.0/24 AS22658 EARTHNET - Earthnet, Inc.
207.174.248.0/21 AS6653 PRIVATEI - privateI, LLC
207.231.96.0/19 AS11194 NUNETPA - NuNet Inc.
207.254.128.0/21 AS30689 FLOW-NET - FLOW
207.254.128.0/24 AS30689 FLOW-NET - FLOW
207.254.136.0/21 AS30689 FLOW-NET - FLOW
208.77.164.0/24 AS22659
208.77.165.0/24 AS22659
208.77.166.0/24 AS22659
208.77.167.0/24 AS22659
208.83.53.0/24 AS40569 YGOMI-AS - Ygomi LLC
208.85.212.0/22 AS32618 ADKNO-KC - Adknowledge, Inc.
208.89.32.0/24 AS27431 JTLNET - JTL Networks Inc.
208.89.33.0/24 AS27431 JTLNET - JTL Networks Inc.
208.89.34.0/24 AS27431 JTLNET - JTL Networks Inc.
208.89.35.0/24 AS27431 JTLNET - JTL Networks Inc.
208.91.72.0/24 AS21681 ANDOVER-TRADING - ANDOVER TRADING
208.91.73.0/24 AS17361 BRASS - Sungard Trading System (ASC)
208.91.76.0/23 AS21681 ANDOVER-TRADING - ANDOVER TRADING
209.148.64.0/19 AS13773 TELNETCOMM - Telnet Communications
209.177.64.0/20 AS6461 MFNX MFN - Metromedia Fiber Network
209.212.63.0/24 AS16467 ASN-NEXTWEB-R1 - Nextweb, Inc
209.213.0.0/20 AS33005 ELTOPIA - Eltopia.com, LLC
209.234.112.0/23 AS32252
209.234.114.0/23 AS32252
209.234.116.0/24 AS32252
209.234.117.0/24 AS32252
209.234.118.0/24 AS32252
209.234.119.0/24 AS32252
209.234.120.0/24 AS32252
209.234.121.0/24 AS32252
209.234.122.0/24 AS32252
213.150.204.0/24 AS29338 AFOL-AS Used by Africaonline Operations
216.12.163.0/24 AS26627 AS-PILOSOFT - Pilosoft, Inc.
216.146.0.0/19 AS11915 TELWEST-NETWORK-SVCS-STATIC - TEL WEST COMMUNICATIONS LLC
216.152.24.0/22 AS22773 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc.
216.234.128.0/22 AS14545 ADR-DRIVING-RECORDS - AMERICAN DRIVING RECORDS, INC.
216.234.132.0/24 AS14545 ADR-DRIVING-RECORDS - AMERICAN DRIVING RECORDS, INC.
216.234.139.0/24 AS14545 ADR-DRIVING-RECORDS - AMERICAN DRIVING RECORDS, INC.
Please see http://www.cidr-report.org for the full report
------------------------------------
Copies of this report are mailed to:
nanog(a)nanog.org
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1
0
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.
Daily listings are sent to bgp-stats(a)lists.apnic.net
For historical data, please see http://thyme.rand.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz(a)gmail.com>.
Routing Table Report 04:00 +10GMT Sat 20 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 450189
Prefixes after maximum aggregation: 184599
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 222556
Total ASes present in the Internet Routing Table: 43876
Prefixes per ASN: 10.26
Origin-only ASes present in the Internet Routing Table: 34506
Origin ASes announcing only one prefix: 16073
Transit ASes present in the Internet Routing Table: 5787
Transit-only ASes present in the Internet Routing Table: 142
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 19037) 22
Prefixes from unregistered ASNs in the Routing Table: 358
Unregistered ASNs in the Routing Table: 132
Number of 32-bit ASNs allocated by the RIRs: 4729
Number of 32-bit ASNs visible in the Routing Table: 3583
Prefixes from 32-bit ASNs in the Routing Table: 10155
Special use prefixes present in the Routing Table: 22
Prefixes being announced from unallocated address space: 220
Number of addresses announced to Internet: 2613629004
Equivalent to 155 /8s, 200 /16s and 208 /24s
Percentage of available address space announced: 70.6
Percentage of allocated address space announced: 70.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.4
Total number of prefixes smaller than registry allocations: 158679
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108086
Total APNIC prefixes after maximum aggregation: 33445
APNIC Deaggregation factor: 3.23
Prefixes being announced from the APNIC address blocks: 109312
Unique aggregates announced from the APNIC address blocks: 44563
APNIC Region origin ASes present in the Internet Routing Table: 4821
APNIC Prefixes per ASN: 22.67
APNIC Region origin ASes announcing only one prefix: 1215
APNIC Region transit ASes present in the Internet Routing Table: 818
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 22
Number of APNIC region 32-bit ASNs visible in the Routing Table: 500
Number of APNIC addresses announced to Internet: 720782272
Equivalent to 42 /8s, 246 /16s and 67 /24s
Percentage of available APNIC address space announced: 84.2
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
222/8, 223/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 158276
Total ARIN prefixes after maximum aggregation: 79767
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 158919
Unique aggregates announced from the ARIN address blocks: 72644
ARIN Region origin ASes present in the Internet Routing Table: 15649
ARIN Prefixes per ASN: 10.16
ARIN Region origin ASes announcing only one prefix: 5959
ARIN Region transit ASes present in the Internet Routing Table: 1615
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 18
Number of ARIN addresses announced to Internet: 1062822272
Equivalent to 63 /8s, 89 /16s and 97 /24s
Percentage of available ARIN address space announced: 56.2
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8,
129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8,
205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8,
216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 116470
Total RIPE prefixes after maximum aggregation: 59453
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120053
Unique aggregates announced from the RIPE address blocks: 77159
RIPE Region origin ASes present in the Internet Routing Table: 17133
RIPE Prefixes per ASN: 7.01
RIPE Region origin ASes announcing only one prefix: 8152
RIPE Region transit ASes present in the Internet Routing Table: 2788
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2302
Number of RIPE addresses announced to Internet: 656501988
Equivalent to 39 /8s, 33 /16s and 108 /24s
Percentage of available RIPE address space announced: 95.4
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
59392-61439, 196608-199679
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 46912
Total LACNIC prefixes after maximum aggregation: 9395
LACNIC Deaggregation factor: 4.99
Prefixes being announced from the LACNIC address blocks: 50936
Unique aggregates announced from the LACNIC address blocks: 24154
LACNIC Region origin ASes present in the Internet Routing Table: 1903
LACNIC Prefixes per ASN: 26.77
LACNIC Region origin ASes announcing only one prefix: 561
LACNIC Region transit ASes present in the Internet Routing Table: 355
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 756
Number of LACNIC addresses announced to Internet: 126871336
Equivalent to 7 /8s, 143 /16s and 231 /24s
Percentage of available LACNIC address space announced: 75.6
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-62463, 262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 10162
Total AfriNIC prefixes after maximum aggregation: 2491
AfriNIC Deaggregation factor: 4.08
Prefixes being announced from the AfriNIC address blocks: 10749
Unique aggregates announced from the AfriNIC address blocks: 3831
AfriNIC Region origin ASes present in the Internet Routing Table: 617
AfriNIC Prefixes per ASN: 17.42
AfriNIC Region origin ASes announcing only one prefix: 186
AfriNIC Region transit ASes present in the Internet Routing Table: 129
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 7
Number of AfriNIC addresses announced to Internet: 46191872
Equivalent to 2 /8s, 192 /16s and 213 /24s
Percentage of available AfriNIC address space announced: 45.9
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 2952 11557 922 Korea Telecom (KIX)
17974 2514 839 90 PT TELEKOMUNIKASI INDONESIA
7545 1887 320 109 TPG Internet Pty Ltd
4755 1738 392 198 TATA Communications formerly
9829 1509 1205 40 BSNL National Internet Backbo
9583 1285 98 538 Sify Limited
7552 1170 1064 12 Vietel Corporation
4808 1107 2109 325 CNCGROUP IP network: China169
9498 1078 310 73 BHARTI Airtel Ltd.
24560 1067 385 164 Bharti Airtel Ltd., Telemedia
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3037 3694 87 bellsouth.net, inc.
7029 2173 1265 212 Windstream Communications Inc
18566 2067 382 184 Covad Communications
22773 1983 2929 125 Cox Communications, Inc.
1785 1974 677 122 PaeTec Communications, Inc.
20115 1669 1612 612 Charter Communications
4323 1609 1139 398 Time Warner Telecom
30036 1344 297 657 Mediacom Communications Corp
7018 1315 10807 854 AT&T WorldNet Services
11492 1239 228 330 Cable One
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1793 544 16 Corbina telecom
2118 1430 97 13 EUnet/RELCOM Autonomous Syste
34984 1152 235 206 BILISIM TELEKOM
13188 875 99 39 Educational Network
12479 844 786 66 Uni2 Autonomous System
20940 819 286 652 Akamai Technologies European
31148 794 41 22 FreeNet ISP
6830 753 2318 440 UPC Distribution Services
8551 676 370 43 Bezeq International
58113 666 74 386 LIR DATACENTER TELECOM SRL
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 2620 1451 99 NET Servicos de Comunicao S.A
10620 2374 411 217 TVCABLE BOGOTA
7303 1676 1153 211 Telecom Argentina Stet-France
8151 1234 2690 394 UniNet S.A. de C.V.
6503 1067 435 68 AVANTEL, S.A.
18881 859 717 19 Global Village Telecom
27947 808 88 96 Telconet S.A
11830 725 364 14 Instituto Costarricense de El
3816 696 306 85 Empresa Nacional de Telecomun
7738 650 1306 35 Telecomunicacoes da Bahia S.A
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36998 1137 80 4 MOBITEL
24863 695 274 33 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 361 956 9 TEDATA
24835 275 80 8 RAYA Telecom - Egypt
3741 261 906 220 The Internet Solution
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
16637 187 697 91 MTN Network Solutions
33776 182 12 19 Starcomms Nigeria Limited
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3037 3694 87 bellsouth.net, inc.
4766 2952 11557 922 Korea Telecom (KIX)
28573 2620 1451 99 NET Servicos de Comunicao S.A
17974 2514 839 90 PT TELEKOMUNIKASI INDONESIA
10620 2374 411 217 TVCABLE BOGOTA
7029 2173 1265 212 Windstream Communications Inc
18566 2067 382 184 Covad Communications
22773 1983 2929 125 Cox Communications, Inc.
1785 1974 677 122 PaeTec Communications, Inc.
7545 1887 320 109 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
28573 2620 2521 NET Servicos de Comunicao S.A
17974 2514 2424 PT TELEKOMUNIKASI INDONESIA
10620 2374 2157 TVCABLE BOGOTA
4766 2952 2030 Korea Telecom (KIX)
7029 2173 1961 Windstream Communications Inc
18566 2067 1883 Covad Communications
22773 1983 1858 Cox Communications, Inc.
1785 1974 1852 PaeTec Communications, Inc.
7545 1887 1778 TPG Internet Pty Ltd
8402 1793 1777 Corbina telecom
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
30031 UNALLOCATED 12.27.122.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 209 Qwest
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic
33649 UNALLOCATED 12.111.112.0/24 19029 New Edge Networks
26064 UNALLOCATED 12.149.37.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
128.0.0.0/24 2876 Jump Management SRL
128.0.16.0/21 43568 RIPE Network Coordination Cen
128.0.24.0/21 41794 Altline LLC
128.0.55.0/24 48571 SC efectRO SRL
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
128.0.60.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.61.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.62.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.63.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.72.0/21 23456 32-bit ASN transition
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
41.222.80.0/21 37110 Moztel LDA
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
64.185.224.0/24 27431 JTL Networks Inc.
64.185.225.0/24 27431 JTL Networks Inc.
64.185.226.0/24 27431 JTL Networks Inc.
64.185.227.0/24 27431 JTL Networks Inc.
64.185.228.0/24 27431 JTL Networks Inc.
64.185.229.0/24 27431 JTL Networks Inc.
64.185.230.0/24 27431 JTL Networks Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:16 /9:13 /10:29 /11:88 /12:249
/13:485 /14:884 /15:1562 /16:12691 /17:6597 /18:10920
/19:21837 /20:31936 /21:33796 /22:46730 /23:41690 /24:236619
/25:1366 /26:1666 /27:861 /28:44 /29:69 /30:22
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2018 2067 Covad Communications
6389 1741 3037 bellsouth.net, inc.
7029 1611 2173 Windstream Communications Inc
8402 1497 1793 Corbina telecom
22773 1291 1983 Cox Communications, Inc.
30036 1219 1344 Mediacom Communications Corp
11492 1198 1239 Cable One
36998 1131 1137 MOBITEL
1785 1047 1974 PaeTec Communications, Inc.
6983 1006 1134 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:774 2:750 3:3 4:15 5:863 6:5
8:542 12:1916 13:3 14:772 15:11 16:3
17:9 20:18 23:271 24:1769 27:1468 31:1214
32:43 33:2 34:5 36:44 37:1816 38:862
39:2 40:169 41:2683 42:178 44:6 46:1797
47:2 49:625 50:676 52:12 54:30 55:6
57:27 58:1140 59:589 60:306 61:1458 62:1037
63:2054 64:4309 65:2182 66:4327 67:2076 68:1127
69:3243 70:872 71:532 72:1956 74:2575 75:414
76:295 77:1103 78:1057 79:571 80:1233 81:983
82:606 83:569 84:515 85:1162 86:464 87:972
88:527 89:1798 90:281 91:5481 92:622 93:1712
94:1846 95:1726 96:517 97:342 98:1053 99:41
100:29 101:315 103:2476 105:488 106:143 107:206
108:515 109:1832 110:861 111:1053 112:505 113:785
114:694 115:1014 116:877 117:799 118:1026 119:1273
120:397 121:824 122:1741 123:1195 124:1333 125:1269
128:632 129:223 130:323 131:653 132:340 133:149
134:260 135:64 136:223 137:247 138:343 139:186
140:199 141:317 142:542 143:374 144:486 145:91
146:503 147:384 148:695 149:369 150:163 151:527
152:419 153:194 154:44 155:391 156:262 157:394
158:269 159:722 160:338 161:425 162:385 163:202
164:584 165:448 166:335 167:577 168:1030 169:133
170:1024 171:174 172:5 173:1608 174:589 175:455
176:1248 177:1858 178:1824 179:3 180:1402 181:386
182:1138 183:372 184:665 185:378 186:2310 187:1270
188:2019 189:1310 190:6098 192:6520 193:5830 194:4655
195:3484 196:1327 197:831 198:4333 199:5292 200:5919
201:2370 202:8870 203:8758 204:4523 205:2554 206:2822
207:2834 208:4073 209:3580 210:2943 211:1566 212:2027
213:1899 214:919 215:98 216:5192 217:1558 218:619
219:346 220:1273 221:548 222:313 223:448
End of report
1
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BGP Update Report
Interval: 04-Apr-13 -to- 11-Apr-13 (7 days)
Observation Point: BGP Peering with AS131072
TOP 20 Unstable Origin AS
Rank ASN Upds % Upds/Pfx AS-Name
1 - AS47331 187185 7.9% 86.9 -- TTNET TTNet A.S.
2 - AS58113 70417 3.0% 105.7 -- LIR-AS LIR DATACENTER TELECOM SRL
3 - AS4538 49555 2.1% 104.8 -- ERX-CERNET-BKB China Education and Research Network Center
4 - AS9829 45795 1.9% 45.0 -- BSNL-NIB National Internet Backbone
5 - AS8402 40069 1.7% 47.1 -- CORBINA-AS OJSC "Vimpelcom"
6 - AS2708 35747 1.5% 244.8 -- Universidad de Guanajuato
7 - AS27947 32399 1.4% 84.6 -- Telconet S.A
8 - AS33776 26384 1.1% 212.8 -- STARCOMMS-ASN
9 - AS8551 25842 1.1% 33.8 -- BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbone
10 - AS9121 24919 1.1% 33.5 -- TTNET Turk Telekomunikasyon Anonim Sirketi
11 - AS3909 22217 0.9% 3173.9 -- QWEST-AS-3908 - Qwest Communications Company, LLC
12 - AS34984 22121 0.9% 29.4 -- TELLCOM-AS TELLCOM ILETISIM HIZMETLERI A.S.
13 - AS2118 21417 0.9% 15.0 -- RELCOM-AS OOO "NPO Relcom"
14 - AS7552 19478 0.8% 17.7 -- VIETEL-AS-AP Vietel Corporation
15 - AS14754 16995 0.7% 20.5 -- Telgua
16 - AS23216 15083 0.6% 150.8 -- MEGADATOS S.A.
17 - AS55714 15023 0.6% 59.9 -- APNIC-FIBERLINK-PK Fiberlink Pvt.Ltd
18 - AS647 14808 0.6% 120.4 -- DNIC-ASBLK-00616-00665 - DoD Network Information Center
19 - AS2697 14109 0.6% 127.1 -- ERX-ERNET-AS Education and Research Network
20 - AS50710 13653 0.6% 27.7 -- EARTHLINK-AS EarthLink Ltd. Communications&Internet Services
TOP 20 Unstable Origin AS (Updates per announced prefix)
Rank ASN Upds % Upds/Pfx AS-Name
1 - AS19406 4256 0.2% 4256.0 -- TWRS-MA - Towerstream I, Inc.
2 - AS3909 22217 0.9% 3173.9 -- QWEST-AS-3908 - Qwest Communications Company, LLC
3 - AS6174 5864 0.2% 2932.0 -- SPRINTLINK8 - Sprint
4 - AS6629 7438 0.3% 2479.3 -- NOAA-AS - NOAA
5 - AS14680 6595 0.3% 2198.3 -- REALE-6 - Auction.com
6 - AS5074 3931 0.2% 1965.5 -- ASN-ATTELS - AT&T BMGS
7 - AS4467 1846 0.1% 1846.0 -- EASYLINK3 - AT&T Services, Inc.
8 - AS37367 3667 0.1% 1833.5 -- CALLKEY
9 - AS42860 1475 0.1% 1475.0 -- EFT Energy Financing Team (Switzerland) AG
10 - AS17293 5300 0.2% 1325.0 -- VTXC - VTX Communications
11 - AS9950 3356 0.1% 1118.7 -- PUBNETPLUS2-AS-KR DACOM
12 - AS19886 2188 0.1% 1094.0 -- BOFABROKERDEALERSVCS - Bank of America
13 - AS41023 4156 0.2% 1039.0 -- ARREKS-AS Agencja Rozwoju Regionalnego ARREKS S.A.
14 - AS45344 907 0.0% 907.0 -- IIUM-MY International Islamic University Of Malaysia
15 - AS40028 873 0.0% 873.0 -- SPD-NETWORK-1 - SPD NETWORK
16 - AS15322 867 0.0% 867.0 -- WDNCOM-ASN - WDN Communications S.A.
17 - AS23295 802 0.0% 802.0 -- EA-01 - Extend America
18 - AS31598 777 0.0% 777.0 -- TELECOMAX-AS FOP Savostin Oleg Lubobisch
19 - AS33521 712 0.0% 712.0 -- MSLA-SCHOOLS - Missoula County Public Schools
20 - AS23139 656 0.0% 656.0 -- IHI - Intelligent Holdings, Inc.
TOP 20 Unstable Prefixes
Rank Prefix Upds % Origin AS -- AS Name
1 - 202.41.70.0/24 9405 0.4% AS2697 -- ERX-ERNET-AS Education and Research Network
2 - 192.58.232.0/24 7434 0.3% AS6629 -- NOAA-AS - NOAA
3 - 151.118.18.0/24 7291 0.3% AS3909 -- QWEST-AS-3908 - Qwest Communications Company, LLC
4 - 151.118.254.0/24 7249 0.3% AS3909 -- QWEST-AS-3908 - Qwest Communications Company, LLC
5 - 151.118.255.0/24 7248 0.3% AS3909 -- QWEST-AS-3908 - Qwest Communications Company, LLC
6 - 92.246.207.0/24 7201 0.3% AS48612 -- RTC-ORENBURG-AS CJSC "Comstar-Regions"
7 - 209.142.140.0/24 7103 0.3% AS22561 -- DIGITAL-TELEPORT - Digital Teleport Inc.
8 - 12.139.133.0/24 5397 0.2% AS14680 -- REALE-6 - Auction.com
9 - 194.63.9.0/24 4536 0.2% AS1273 -- CW Cable and Wireless Worldwide plc
10 - 64.194.229.0/24 4471 0.2% AS3356 -- LEVEL3 Level 3 Communications
11 - 69.38.178.0/24 4256 0.2% AS19406 -- TWRS-MA - Towerstream I, Inc.
12 - 216.183.32.0/19 3999 0.2% AS17293 -- VTXC - VTX Communications
13 - 41.75.40.0/21 3666 0.1% AS37367 -- CALLKEY
14 - 58.184.229.0/24 3347 0.1% AS9950 -- PUBNETPLUS2-AS-KR DACOM
15 - 205.65.128.0/22 3085 0.1% AS5976 -- DNIC-ASBLK-05800-06055 - DoD Network Information Center
AS647 -- DNIC-ASBLK-00616-00665 - DoD Network Information Center
16 - 206.105.75.0/24 2932 0.1% AS6174 -- SPRINTLINK8 - Sprint
17 - 208.16.110.0/24 2932 0.1% AS6174 -- SPRINTLINK8 - Sprint
18 - 193.19.90.0/23 2776 0.1% AS29684 -- NOURNET-ASN Nour Communication Co.Ltd - Nournet
19 - 115.170.128.0/17 2749 0.1% AS4847 -- CNIX-AP China Networks Inter-Exchange
20 - 2.93.235.0/24 2738 0.1% AS8402 -- CORBINA-AS OJSC "Vimpelcom"
Details at http://bgpupdates.potaroo.net
------------------------------------
Copies of this report are mailed to:
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1
0
This report has been generated at Fri Apr 12 21:13:18 2013 AEST.
The report analyses the BGP Routing Table of AS2.0 router
and generates a report on aggregation potential within the table.
Check http://www.cidr-report.org for a current version of this report.
Recent Table History
Date Prefixes CIDR Agg
05-04-13 451091 259574
06-04-13 451411 259542
07-04-13 451419 259733
08-04-13 451504 259558
09-04-13 451113 259685
10-04-13 451462 259694
11-04-13 451345 259947
12-04-13 452468 259746
AS Summary
43924 Number of ASes in routing system
18224 Number of ASes announcing only one prefix
3037 Largest number of prefixes announced by an AS
AS6389 : BELLSOUTH-NET-BLK - BellSouth.net Inc.
116992736 Largest address span announced by an AS (/32s)
AS4134 : CHINANET-BACKBONE No.31,Jin-rong Street
Aggregation Summary
The algorithm used in this report proposes aggregation only
when there is a precise match using the AS path, so as
to preserve traffic transit policies. Aggregation is also
proposed across non-advertised address space ('holes').
--- 12Apr13 ---
ASnum NetsNow NetsAggr NetGain % Gain Description
Table 452668 259832 192836 42.6% All ASes
AS6389 3037 91 2946 97.0% BELLSOUTH-NET-BLK -
BellSouth.net Inc.
AS4766 2957 939 2018 68.2% KIXS-AS-KR Korea Telecom
AS17974 2510 569 1941 77.3% TELKOMNET-AS2-AP PT
Telekomunikasi Indonesia
AS28573 2602 759 1843 70.8% NET Serviços de Comunicação
S.A.
AS22773 2013 174 1839 91.4% ASN-CXA-ALL-CCI-22773-RDC -
Cox Communications Inc.
AS18566 2068 473 1595 77.1% COVAD - Covad Communications
Co.
AS2118 1430 49 1381 96.6% RELCOM-AS OOO "NPO Relcom"
AS7303 1674 448 1226 73.2% Telecom Argentina S.A.
AS4323 1611 401 1210 75.1% TWTC - tw telecom holdings,
inc.
AS10620 2361 1244 1117 47.3% Telmex Colombia S.A.
AS4755 1734 638 1096 63.2% TATACOMM-AS TATA
Communications formerly VSNL
is Leading ISP
AS14754 1131 107 1024 90.5% Telgua
AS7029 2174 1243 931 42.8% WINDSTREAM - Windstream
Communications Inc
AS7552 1171 241 930 79.4% VIETEL-AS-AP Vietel
Corporation
AS18881 850 20 830 97.6% Global Village Telecom
AS18101 1001 180 821 82.0% RELIANCE-COMMUNICATIONS-IN
Reliance Communications
Ltd.DAKC MUMBAI
AS1785 1974 1209 765 38.8% AS-PAETEC-NET - PaeTec
Communications, Inc.
AS4808 1121 361 760 67.8% CHINA169-BJ CNCGROUP IP
network China169 Beijing
Province Network
AS36998 1137 382 755 66.4% SDN-MOBITEL
AS13977 837 129 708 84.6% CTELCO - FAIRPOINT
COMMUNICATIONS, INC.
AS855 724 50 674 93.1% CANET-ASN-4 - Bell Aliant
Regional Communications, Inc.
AS8151 1237 579 658 53.2% Uninet S.A. de C.V.
AS6983 1133 481 652 57.5% ITCDELTA - ITC^Deltacom
AS22561 1085 453 632 58.2% DIGITAL-TELEPORT - Digital
Teleport Inc.
AS17676 734 108 626 85.3% GIGAINFRA Softbank BB Corp.
AS3549 1050 443 607 57.8% GBLX Global Crossing Ltd.
AS17908 793 198 595 75.0% TCISL Tata Communications
AS3356 1089 495 594 54.5% LEVEL3 Level 3 Communications
AS19262 991 403 588 59.3% VZGNI-TRANSIT - Verizon Online
LLC
AS24560 1066 478 588 55.2% AIRTELBROADBAND-AS-AP Bharti
Airtel Ltd., Telemedia
Services
Total 45295 13345 31950 70.5% Top 30 total
Possible Bogus Routes
10.86.64.32/30 AS65530 -Private Use AS-
10.86.64.36/30 AS65530 -Private Use AS-
10.86.65.32/30 AS65530 -Private Use AS-
10.86.65.36/30 AS65530 -Private Use AS-
10.255.255.0/30 AS65530 -Private Use AS-
10.255.255.4/30 AS65530 -Private Use AS-
10.255.255.8/30 AS65530 -Private Use AS-
41.222.80.0/21 AS37110 moztel-as
62.61.220.0/24 AS24974 TACHYON-EU Tachyon Europe BV
62.61.221.0/24 AS24974 TACHYON-EU Tachyon Europe BV
64.185.224.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.225.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.226.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.227.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.228.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.229.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.230.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.231.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.232.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.233.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.234.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.235.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.236.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.237.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.238.0/24 AS27431 JTLNET - JTL Networks Inc.
64.185.239.0/24 AS27431 JTLNET - JTL Networks Inc.
64.187.208.0/24 AS174 COGENT Cogent/PSI
65.111.1.0/24 AS32258 SDNGLOBAL - SDN Global
66.180.239.0/24 AS35888 VIGNETTE - VIGNETTE CORPORATION
66.251.128.0/24 AS33227 BLUEBRIDGE-NETWORKS - Blue Bridge Networks
66.251.133.0/24 AS33227 BLUEBRIDGE-NETWORKS - Blue Bridge Networks
66.251.134.0/24 AS33227 BLUEBRIDGE-NETWORKS - Blue Bridge Networks
66.251.136.0/21 AS33227 BLUEBRIDGE-NETWORKS - Blue Bridge Networks
66.251.140.0/24 AS33227 BLUEBRIDGE-NETWORKS - Blue Bridge Networks
66.251.141.0/24 AS33227 BLUEBRIDGE-NETWORKS - Blue Bridge Networks
66.251.142.0/24 AS33227 BLUEBRIDGE-NETWORKS - Blue Bridge Networks
69.46.224.0/20 AS32592 HUNT-BROTHERS-OF-LOUISIANA-LLC - Hunt Brothers
69.46.233.0/24 AS32592 HUNT-BROTHERS-OF-LOUISIANA-LLC - Hunt Brothers
69.46.236.0/24 AS32592 HUNT-BROTHERS-OF-LOUISIANA-LLC - Hunt Brothers
71.19.134.0/23 AS3313 INET-AS BT Italia S.p.A.
72.35.224.0/22 AS30097 NUWAVE - NuWave
72.35.229.0/24 AS30188 TELEVERGENCE - Televergence Solutions Inc.
72.35.232.0/21 AS30097 NUWAVE - NuWave
72.44.16.0/20 AS15054 NORTHEAST-TEXAS-BROADBAND-LLC - Northeast Texas Broadband, LLC
74.91.48.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.49.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.50.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.51.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.52.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.53.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.54.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.55.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.56.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.57.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.58.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.59.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.60.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.61.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.62.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.91.63.0/24 AS30137 SEA-BROADBAND - Sea Broadband, LLC
74.115.124.0/23 AS46540 NARSASN - National Asset Recovery Services, Inc
81.22.64.0/20 AS5511 OPENTRANSIT France Telecom S.A.
82.101.160.0/19 AS5511 OPENTRANSIT France Telecom S.A.
100.100.0.0/24 AS4847 CNIX-AP China Networks Inter-Exchange
102.2.88.0/22 AS38456 PACTEL-AS-AP Pacific Teleports.
110.34.44.0/22 AS12653 COMTONET KB Impuls Hellas S.A.
116.206.72.0/24 AS6461 MFNX MFN - Metromedia Fiber Network
116.206.85.0/24 AS6461 MFNX MFN - Metromedia Fiber Network
116.206.103.0/24 AS6461 MFNX MFN - Metromedia Fiber Network
117.120.56.0/21 AS4755 TATACOMM-AS TATA Communications formerly VSNL is Leading ISP
121.46.0.0/16 AS4134 CHINANET-BACKBONE No.31,Jin-rong Street
142.54.0.0/19 AS23498 CDSI - Cogeco Data Services LP
172.102.0.0/22 AS4812 CHINANET-SH-AP China Telecom (Group)
172.116.0.0/24 AS7018 ATT-INTERNET4 - AT&T Services, Inc.
190.3.160.0/21 AS27975 SYNAPSIS COLOMBIA LTDA
190.52.192.0/24 AS27919
190.52.193.0/24 AS27919
190.52.194.0/24 AS27919
190.52.195.0/24 AS27919
190.52.196.0/24 AS3549 GBLX Global Crossing Ltd.
190.52.197.0/24 AS27919
190.52.198.0/24 AS27919
190.52.199.0/24 AS3549 GBLX Global Crossing Ltd.
190.52.200.0/24 AS27947 Telconet S.A
190.52.201.0/24 AS27947 Telconet S.A
190.52.202.0/24 AS3549 GBLX Global Crossing Ltd.
190.52.203.0/24 AS3549 GBLX Global Crossing Ltd.
190.52.205.0/24 AS3549 GBLX Global Crossing Ltd.
190.52.206.0/24 AS3549 GBLX Global Crossing Ltd.
190.52.207.0/24 AS3549 GBLX Global Crossing Ltd.
190.111.96.0/20 AS27589 MOJOHOST - MOJOHOST
190.111.128.0/20 AS27589 MOJOHOST - MOJOHOST
190.111.144.0/20 AS27589 MOJOHOST - MOJOHOST
190.111.160.0/20 AS27589 MOJOHOST - MOJOHOST
190.111.176.0/20 AS27589 MOJOHOST - MOJOHOST
190.115.64.0/20 AS27589 MOJOHOST - MOJOHOST
190.115.80.0/20 AS27589 MOJOHOST - MOJOHOST
190.124.252.0/22 AS7303 Telecom Argentina S.A.
191.255.0.0/16 AS6983 ITCDELTA - ITC^Deltacom
200.1.112.0/24 AS29754 GO2TEL GO2TEL.COM INC.
200.53.0.0/19 AS13878 UOL DIVEO S.A.
200.58.248.0/21 AS27849
200.107.248.0/24 AS27919
200.107.249.0/24 AS27919
200.107.250.0/24 AS27919
200.107.251.0/24 AS27919
200.107.252.0/24 AS28006 CORPORACION NACIONAL DE TELECOMUNICACIONES - CNT EP
201.71.16.0/20 AS28638
201.77.96.0/20 AS28639
201.222.32.0/20 AS27821
202.8.106.0/24 AS9530 SHINSEGAE-AS SHINSEGAE I&C Co., Ltd.
202.58.113.0/24 AS19161
202.65.96.0/20 AS2706 PI-HK Pacnet Internet (Hong Kong) Limited
202.73.240.0/20 AS2706 PI-HK Pacnet Internet (Hong Kong) Limited
202.83.120.0/21 AS37972
202.83.124.0/24 AS37972
202.83.125.0/24 AS37972
202.83.126.0/24 AS37972
202.94.1.0/24 AS4808 CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network
202.174.125.0/24 AS9498 BBIL-AP BHARTI Airtel Ltd.
202.176.1.0/24 AS9942 COMINDICO-AP SOUL Converged Communications Australia
202.179.134.0/24 AS23966 LDN-AS-PK LINKdotNET Telecom Limited
203.23.1.0/24 AS18111 NETSPEED-AS-AP Netspeed Internet Communications
203.24.38.0/24 AS18111 NETSPEED-AS-AP Netspeed Internet Communications
203.30.127.0/24 AS18111 NETSPEED-AS-AP Netspeed Internet Communications
203.32.86.0/23 AS18111 NETSPEED-AS-AP Netspeed Internet Communications
203.32.86.0/24 AS18111 NETSPEED-AS-AP Netspeed Internet Communications
203.32.87.0/24 AS18111 NETSPEED-AS-AP Netspeed Internet Communications
203.142.219.0/24 AS45149
204.9.116.0/22 AS30097 NUWAVE - NuWave
204.10.88.0/21 AS3356 LEVEL3 Level 3 Communications
204.10.92.0/23 AS30097 NUWAVE - NuWave
204.10.94.0/23 AS30097 NUWAVE - NuWave
204.10.112.0/21 AS27027 ANBELL ASN-ANBELL
204.11.112.0/22 AS14745 INTERNAP-BLOCK-4 - Internap Network Services Corporation
205.211.160.0/24 AS30045 UHN-ASN - University Health Network
206.81.112.0/20 AS32618 ADKNO-KC - Adknowledge, Inc.
206.197.184.0/24 AS23304 DATOTEL-STL-AS - Datotel LLC, a NetLabs LLC Company
206.221.176.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.177.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.178.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.179.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.180.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.181.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.182.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.183.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.184.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.185.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.186.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.187.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.188.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.189.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.190.0/24 AS27431 JTLNET - JTL Networks Inc.
206.221.191.0/24 AS27431 JTLNET - JTL Networks Inc.
207.174.131.0/24 AS26116 INDRA - Indra's Net Inc
207.174.132.0/23 AS26116 INDRA - Indra's Net Inc
207.174.152.0/23 AS26116 INDRA - Indra's Net Inc
207.174.154.0/24 AS26116 INDRA - Indra's Net Inc
207.174.155.0/24 AS26116 INDRA - Indra's Net Inc
207.174.200.0/24 AS22658 EARTHNET - Earthnet, Inc.
207.174.248.0/21 AS6653 PRIVATEI - privateI, LLC
207.231.96.0/19 AS11194 NUNETPA - NuNet Inc.
207.254.128.0/21 AS30689 FLOW-NET - FLOW
207.254.128.0/24 AS30689 FLOW-NET - FLOW
207.254.136.0/21 AS30689 FLOW-NET - FLOW
208.77.164.0/24 AS22659
208.77.165.0/24 AS22659
208.77.166.0/24 AS22659
208.77.167.0/24 AS22659
208.83.53.0/24 AS40569 YGOMI-AS - Ygomi LLC
208.85.212.0/22 AS32618 ADKNO-KC - Adknowledge, Inc.
208.89.32.0/24 AS27431 JTLNET - JTL Networks Inc.
208.89.33.0/24 AS27431 JTLNET - JTL Networks Inc.
208.89.34.0/24 AS27431 JTLNET - JTL Networks Inc.
208.89.35.0/24 AS27431 JTLNET - JTL Networks Inc.
208.91.72.0/24 AS21681 ANDOVER-TRADING - ANDOVER TRADING
208.91.73.0/24 AS17361 BRASS - Sungard Trading System (ASC)
208.91.76.0/23 AS21681 ANDOVER-TRADING - ANDOVER TRADING
209.148.64.0/19 AS13773 TELNETCOMM - Telnet Communications
209.177.64.0/20 AS6461 MFNX MFN - Metromedia Fiber Network
209.212.63.0/24 AS16467 ASN-NEXTWEB-R1 - Nextweb, Inc
209.213.0.0/20 AS33005 ELTOPIA - Eltopia.com, LLC
209.234.112.0/23 AS32252
209.234.114.0/23 AS32252
209.234.116.0/24 AS32252
209.234.117.0/24 AS32252
209.234.118.0/24 AS32252
209.234.119.0/24 AS32252
209.234.120.0/24 AS32252
209.234.121.0/24 AS32252
209.234.122.0/24 AS32252
213.150.204.0/24 AS29338 AFOL-AS Used by Africaonline Operations
216.12.163.0/24 AS26627 AS-PILOSOFT - Pilosoft, Inc.
216.146.0.0/19 AS11915 TELWEST-NETWORK-SVCS-STATIC - TEL WEST COMMUNICATIONS LLC
216.152.24.0/22 AS22773 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc.
216.234.128.0/22 AS14545 ADR-DRIVING-RECORDS - AMERICAN DRIVING RECORDS, INC.
216.234.132.0/24 AS14545 ADR-DRIVING-RECORDS - AMERICAN DRIVING RECORDS, INC.
216.234.139.0/24 AS14545 ADR-DRIVING-RECORDS - AMERICAN DRIVING RECORDS, INC.
Please see http://www.cidr-report.org for the full report
------------------------------------
Copies of this report are mailed to:
nanog(a)nanog.org
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1
0
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.
Daily listings are sent to bgp-stats(a)lists.apnic.net
For historical data, please see http://thyme.rand.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz(a)gmail.com>.
Routing Table Report 04:00 +10GMT Sat 13 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 450537
Prefixes after maximum aggregation: 184360
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 222129
Total ASes present in the Internet Routing Table: 43823
Prefixes per ASN: 10.28
Origin-only ASes present in the Internet Routing Table: 34458
Origin ASes announcing only one prefix: 16077
Transit ASes present in the Internet Routing Table: 5796
Transit-only ASes present in the Internet Routing Table: 140
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 29
Max AS path prepend of ASN ( 19037) 22
Prefixes from unregistered ASNs in the Routing Table: 375
Unregistered ASNs in the Routing Table: 138
Number of 32-bit ASNs allocated by the RIRs: 4720
Number of 32-bit ASNs visible in the Routing Table: 3569
Prefixes from 32-bit ASNs in the Routing Table: 10153
Special use prefixes present in the Routing Table: 19
Prefixes being announced from unallocated address space: 212
Number of addresses announced to Internet: 2612870220
Equivalent to 155 /8s, 189 /16s and 60 /24s
Percentage of available address space announced: 70.6
Percentage of allocated address space announced: 70.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.4
Total number of prefixes smaller than registry allocations: 159211
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108096
Total APNIC prefixes after maximum aggregation: 33356
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 109305
Unique aggregates announced from the APNIC address blocks: 44363
APNIC Region origin ASes present in the Internet Routing Table: 4819
APNIC Prefixes per ASN: 22.68
APNIC Region origin ASes announcing only one prefix: 1225
APNIC Region transit ASes present in the Internet Routing Table: 813
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 21
Number of APNIC region 32-bit ASNs visible in the Routing Table: 493
Number of APNIC addresses announced to Internet: 720693952
Equivalent to 42 /8s, 244 /16s and 234 /24s
Percentage of available APNIC address space announced: 84.2
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
222/8, 223/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 157854
Total ARIN prefixes after maximum aggregation: 79682
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 158545
Unique aggregates announced from the ARIN address blocks: 72575
ARIN Region origin ASes present in the Internet Routing Table: 15633
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5945
ARIN Region transit ASes present in the Internet Routing Table: 1614
Average ARIN Region AS path length visible: 4.2
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 18
Number of ARIN addresses announced to Internet: 1062493824
Equivalent to 63 /8s, 84 /16s and 94 /24s
Percentage of available ARIN address space announced: 56.2
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8,
129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8,
205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8,
216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 116555
Total RIPE prefixes after maximum aggregation: 59393
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120091
Unique aggregates announced from the RIPE address blocks: 77021
RIPE Region origin ASes present in the Internet Routing Table: 17131
RIPE Prefixes per ASN: 7.01
RIPE Region origin ASes announcing only one prefix: 8159
RIPE Region transit ASes present in the Internet Routing Table: 2805
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2294
Number of RIPE addresses announced to Internet: 656281316
Equivalent to 39 /8s, 30 /16s and 14 /24s
Percentage of available RIPE address space announced: 95.4
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
59392-61439, 196608-199679
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 47674
Total LACNIC prefixes after maximum aggregation: 9391
LACNIC Deaggregation factor: 5.08
Prefixes being announced from the LACNIC address blocks: 51709
Unique aggregates announced from the LACNIC address blocks: 24114
LACNIC Region origin ASes present in the Internet Routing Table: 1889
LACNIC Prefixes per ASN: 27.37
LACNIC Region origin ASes announcing only one prefix: 561
LACNIC Region transit ASes present in the Internet Routing Table: 351
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 757
Number of LACNIC addresses announced to Internet: 126775336
Equivalent to 7 /8s, 142 /16s and 112 /24s
Percentage of available LACNIC address space announced: 75.6
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-62463, 262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 10065
Total AfriNIC prefixes after maximum aggregation: 2490
AfriNIC Deaggregation factor: 4.04
Prefixes being announced from the AfriNIC address blocks: 10675
Unique aggregates announced from the AfriNIC address blocks: 3859
AfriNIC Region origin ASes present in the Internet Routing Table: 614
AfriNIC Prefixes per ASN: 17.39
AfriNIC Region origin ASes announcing only one prefix: 187
AfriNIC Region transit ASes present in the Internet Routing Table: 127
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 7
Number of AfriNIC addresses announced to Internet: 46187264
Equivalent to 2 /8s, 192 /16s and 195 /24s
Percentage of available AfriNIC address space announced: 45.9
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 2957 11557 923 Korea Telecom (KIX)
17974 2510 840 86 PT TELEKOMUNIKASI INDONESIA
7545 1884 320 109 TPG Internet Pty Ltd
4755 1734 392 198 TATA Communications formerly
9829 1511 1205 40 BSNL National Internet Backbo
9583 1283 98 538 Sify Limited
7552 1171 1066 12 Vietel Corporation
4808 1121 2109 325 CNCGROUP IP network: China169
9498 1070 310 73 BHARTI Airtel Ltd.
24560 1066 385 163 Bharti Airtel Ltd., Telemedia
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3037 3694 87 bellsouth.net, inc.
7029 2174 1265 212 Windstream Communications Inc
18566 2068 382 184 Covad Communications
22773 2013 2929 125 Cox Communications, Inc.
1785 1974 677 122 PaeTec Communications, Inc.
20115 1669 1611 611 Charter Communications
4323 1608 1139 397 Time Warner Telecom
30036 1340 296 658 Mediacom Communications Corp
7018 1316 10807 856 AT&T WorldNet Services
11492 1218 224 333 Cable One
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1840 544 16 Corbina telecom
2118 1430 97 13 EUnet/RELCOM Autonomous Syste
34984 1145 234 207 BILISIM TELEKOM
12479 844 786 66 Uni2 Autonomous System
13188 837 99 33 Educational Network
20940 822 288 652 Akamai Technologies European
31148 793 41 21 FreeNet ISP
6830 752 2318 442 UPC Distribution Services
8551 734 368 56 Bezeq International
58113 666 74 386 LIR DATACENTER TELECOM SRL
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 2601 1433 98 NET Servicos de Comunicao S.A
10620 2361 409 223 TVCABLE BOGOTA
7303 1674 1153 211 Telecom Argentina Stet-France
8151 1228 2684 404 UniNet S.A. de C.V.
6503 1151 435 68 AVANTEL, S.A.
14754 1119 153 37 Telgua S. A.
18881 850 716 18 Global Village Telecom
27947 809 88 97 Telconet S.A
11830 725 364 14 Instituto Costarricense de El
3816 695 306 85 Empresa Nacional de Telecomun
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36998 1137 80 4 MOBITEL
24863 691 274 33 LINKdotNET AS number
6713 543 617 25 Itissalat Al-MAGHRIB
8452 353 956 9 TEDATA
24835 275 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
16637 184 696 90 MTN Network Solutions
33776 167 11 18 Starcomms Nigeria Limited
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3037 3694 87 bellsouth.net, inc.
4766 2957 11557 923 Korea Telecom (KIX)
28573 2601 1433 98 NET Servicos de Comunicao S.A
17974 2510 840 86 PT TELEKOMUNIKASI INDONESIA
10620 2361 409 223 TVCABLE BOGOTA
7029 2174 1265 212 Windstream Communications Inc
18566 2068 382 184 Covad Communications
22773 2013 2929 125 Cox Communications, Inc.
1785 1974 677 122 PaeTec Communications, Inc.
7545 1884 320 109 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
28573 2601 2503 NET Servicos de Comunicao S.A
17974 2510 2424 PT TELEKOMUNIKASI INDONESIA
10620 2361 2138 TVCABLE BOGOTA
4766 2957 2034 Korea Telecom (KIX)
7029 2174 1962 Windstream Communications Inc
22773 2013 1888 Cox Communications, Inc.
18566 2068 1884 Covad Communications
1785 1974 1852 PaeTec Communications, Inc.
8402 1840 1824 Corbina telecom
7545 1884 1775 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
30031 UNALLOCATED 12.27.122.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 209 Qwest
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic
33649 UNALLOCATED 12.111.112.0/24 19029 New Edge Networks
26064 UNALLOCATED 12.149.37.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
128.0.0.0/24 2876 Jump Management SRL
128.0.16.0/21 43568 RIPE Network Coordination Cen
128.0.24.0/21 41794 Altline LLC
128.0.55.0/24 48571 SC efectRO SRL
128.0.56.0/24 60996 Visionware SRL
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.96.0/21 12886 LEWTelNet GmbH
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
41.222.80.0/21 37110 Moztel LDA
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
64.185.224.0/24 27431 JTL Networks Inc.
64.185.225.0/24 27431 JTL Networks Inc.
64.185.226.0/24 27431 JTL Networks Inc.
64.185.227.0/24 27431 JTL Networks Inc.
64.185.228.0/24 27431 JTL Networks Inc.
64.185.229.0/24 27431 JTL Networks Inc.
64.185.230.0/24 27431 JTL Networks Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:16 /9:13 /10:29 /11:88 /12:248
/13:485 /14:884 /15:1558 /16:12677 /17:6608 /18:10914
/19:21813 /20:31911 /21:33781 /22:46684 /23:41774 /24:236885
/25:1390 /26:1771 /27:862 /28:45 /29:67 /30:15
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2019 2068 Covad Communications
6389 1742 3037 bellsouth.net, inc.
7029 1613 2174 Windstream Communications Inc
8402 1537 1840 Corbina telecom
22773 1318 2013 Cox Communications, Inc.
30036 1217 1340 Mediacom Communications Corp
11492 1179 1218 Cable One
36998 1131 1137 MOBITEL
1785 1047 1974 PaeTec Communications, Inc.
6983 1006 1134 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:767 2:796 3:3 4:15 5:861 6:4
8:542 12:1920 13:3 14:769 15:11 16:3
17:9 20:19 23:257 24:1776 27:1451 31:1207
32:42 33:2 34:5 36:43 37:1798 38:861
39:2 40:169 41:2626 42:185 44:6 46:1789
47:2 49:619 50:676 52:12 54:30 55:9
57:27 58:1108 59:588 60:305 61:1446 62:992
63:2033 64:4287 65:2183 66:4294 67:2066 68:1119
69:3252 70:876 71:529 72:1917 74:2565 75:411
76:294 77:1096 78:1040 79:590 80:1235 81:976
82:613 83:579 84:589 85:1165 86:471 87:964
88:527 89:1806 90:281 91:5489 92:614 93:1718
94:1871 95:1610 96:503 97:340 98:1050 99:41
100:29 101:311 103:2412 105:488 106:135 107:207
108:515 109:1783 110:851 111:1046 112:501 113:783
114:689 115:1014 116:876 117:778 118:1016 119:1249
120:389 121:817 122:1730 123:1176 124:1332 125:1328
128:635 129:226 130:332 131:654 132:336 133:148
134:258 135:62 136:222 137:248 138:344 139:185
140:199 141:317 142:542 143:372 144:485 145:93
146:510 147:384 148:697 149:366 150:163 151:528
152:419 153:194 154:44 155:395 156:259 157:394
158:267 159:717 160:337 161:424 162:379 163:202
164:575 165:450 166:336 167:578 168:1026 169:133
170:1025 171:174 172:5 173:1609 174:580 175:445
176:1233 177:1842 178:1808 179:2 180:1394 181:378
182:1130 183:374 184:662 185:354 186:2449 187:1255
188:2007 189:1361 190:6606 192:6488 193:5833 194:4646
195:3643 196:1333 197:826 198:4322 199:5280 200:6034
201:2373 202:8860 203:8755 204:4518 205:2553 206:2822
207:2833 208:4065 209:3561 210:2928 211:1565 212:2025
213:1917 214:943 215:98 216:5212 217:1575 218:624
219:347 220:1270 221:547 222:314 223:443
End of report
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BGP Update Report
Interval: 28-Mar-13 -to- 04-Apr-13 (7 days)
Observation Point: BGP Peering with AS131072
TOP 20 Unstable Origin AS
Rank ASN Upds % Upds/Pfx AS-Name
1 - AS9829 50576 2.7% 41.6 -- BSNL-NIB National Internet Backbone
2 - AS8402 46715 2.5% 38.5 -- CORBINA-AS OJSC "Vimpelcom"
3 - AS10091 28716 1.5% 80.7 -- SCV-AS-AP StarHub Cable Vision Ltd
4 - AS14754 27759 1.5% 31.8 -- Telgua
5 - AS17974 23145 1.2% 23.4 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia
6 - AS3909 22559 1.2% 7519.7 -- QWEST-AS-3908 - Qwest Communications Company, LLC
7 - AS28573 19947 1.1% 7.6 -- NET Serviços de Comunicação S.A.
8 - AS45271 18144 1.0% 58.5 -- ICLNET-AS-AP 5th Floor, Windsor Building, Off: CST Road
9 - AS7552 17599 0.9% 17.5 -- VIETEL-AS-AP Vietel Corporation
10 - AS8452 16646 0.9% 13.8 -- TE-AS TE-AS
11 - AS10620 15720 0.8% 7.6 -- Telmex Colombia S.A.
12 - AS27947 15712 0.8% 19.8 -- Telconet S.A
13 - AS2708 15405 0.8% 107.7 -- Universidad de Guanajuato
14 - AS21826 14902 0.8% 53.6 -- Corporación Telemic C.A.
15 - AS2697 14053 0.7% 72.1 -- ERX-ERNET-AS Education and Research Network
16 - AS6713 13660 0.7% 29.1 -- IAM-AS
17 - AS7029 13582 0.7% 7.4 -- WINDSTREAM - Windstream Communications Inc
18 - AS33776 13408 0.7% 72.9 -- STARCOMMS-ASN
19 - AS4538 12308 0.7% 23.4 -- ERX-CERNET-BKB China Education and Research Network Center
20 - AS55430 12008 0.6% 80.6 -- STARHUBINTERNET-AS-NGNBN Starhub Internet Pte Ltd
TOP 20 Unstable Origin AS (Updates per announced prefix)
Rank ASN Upds % Upds/Pfx AS-Name
1 - AS6629 7685 0.4% 7685.0 -- NOAA-AS - NOAA
2 - AS3909 22559 1.2% 7519.7 -- QWEST-AS-3908 - Qwest Communications Company, LLC
3 - AS19406 4122 0.2% 4122.0 -- TWRS-MA - Towerstream I, Inc.
4 - AS37367 3717 0.2% 3717.0 -- CALLKEY
5 - AS6174 5722 0.3% 2861.0 -- SPRINTLINK8 - Sprint
6 - AS5074 4504 0.2% 2252.0 -- ASN-ATTELS - AT&T BMGS
7 - AS14680 6505 0.3% 2168.3 -- REALE-6 - Auction.com
8 - AS13897 4196 0.2% 2098.0 -- CDC1 - Internet Brands Inc.
9 - AS4467 2047 0.1% 2047.0 -- EASYLINK3 - AT&T Services, Inc.
10 - AS17293 5379 0.3% 1793.0 -- VTXC - VTX Communications
11 - AS9950 3351 0.2% 1675.5 -- PUBNETPLUS2-AS-KR DACOM
12 - AS36529 2492 0.1% 1246.0 -- AXXA-RACKCO - Rackco.com
13 - AS41023 3397 0.2% 1132.3 -- ARREKS-AS Agencja Rozwoju Regionalnego ARREKS S.A.
14 - AS19886 2263 0.1% 1131.5 -- BOFABROKERDEALERSVCS - Bank of America
15 - AS46105 783 0.0% 783.0 -- HMLP-ASN - HealthCor Management, L.P.
16 - AS10445 3742 0.2% 748.4 -- HTG - Huntleigh Telcom
17 - AS32955 5852 0.3% 731.5 -- MURCOM - MURCOM, LLC
18 - AS52358 673 0.0% 673.0 -- Y&V Ingeniería y Construcción, C.A.
19 - AS57013 3972 0.2% 662.0 -- EURASIA-STAR-AS Eurasia Star Ltd.
20 - AS22688 645 0.0% 645.0 -- DOLGENCORP - Dollar General Corporation
TOP 20 Unstable Prefixes
Rank Prefix Upds % Origin AS -- AS Name
1 - 202.41.70.0/24 10026 0.5% AS2697 -- ERX-ERNET-AS Education and Research Network
2 - 112.110.82.0/23 7688 0.4% AS45271 -- ICLNET-AS-AP 5th Floor, Windsor Building, Off: CST Road
3 - 112.110.84.0/22 7686 0.4% AS45271 -- ICLNET-AS-AP 5th Floor, Windsor Building, Off: CST Road
4 - 192.58.232.0/24 7685 0.4% AS6629 -- NOAA-AS - NOAA
5 - 151.118.18.0/24 7543 0.4% AS3909 -- QWEST-AS-3908 - Qwest Communications Company, LLC
6 - 151.118.255.0/24 7508 0.4% AS3909 -- QWEST-AS-3908 - Qwest Communications Company, LLC
7 - 151.118.254.0/24 7508 0.4% AS3909 -- QWEST-AS-3908 - Qwest Communications Company, LLC
8 - 12.139.133.0/24 5379 0.3% AS14680 -- REALE-6 - Auction.com
9 - 194.63.9.0/24 4217 0.2% AS1273 -- CW Cable and Wireless Worldwide plc
10 - 216.183.32.0/19 4146 0.2% AS17293 -- VTXC - VTX Communications
11 - 69.38.178.0/24 4122 0.2% AS19406 -- TWRS-MA - Towerstream I, Inc.
12 - 41.75.40.0/21 3717 0.2% AS37367 -- CALLKEY
13 - 58.184.229.0/24 3347 0.2% AS9950 -- PUBNETPLUS2-AS-KR DACOM
14 - 206.105.75.0/24 2861 0.1% AS6174 -- SPRINTLINK8 - Sprint
15 - 208.16.110.0/24 2861 0.1% AS6174 -- SPRINTLINK8 - Sprint
16 - 115.170.128.0/17 2762 0.1% AS4847 -- CNIX-AP China Networks Inter-Exchange
17 - 2.93.235.0/24 2636 0.1% AS8402 -- CORBINA-AS OJSC "Vimpelcom"
18 - 12.79.224.0/19 2325 0.1% AS5074 -- ASN-ATTELS - AT&T BMGS
19 - 205.65.128.0/22 2318 0.1% AS647 -- DNIC-ASBLK-00616-00665 - DoD Network Information Center
20 - 84.205.66.0/24 2314 0.1% AS12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre (RIPE NCC)
Details at http://bgpupdates.potaroo.net
------------------------------------
Copies of this report are mailed to:
nanog(a)nanog.org
eof-list(a)ripe.net
apops(a)apops.net
routing-wg(a)ripe.net
afnog(a)afnog.org
1
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