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, CaribNOG and the RIPE Routing Working Group. Daily listings are sent to bgp-stats@lists.apnic.net For historical data, please see http://thyme.rand.apnic.net. If you have any comments please contact Philip Smith <pfsinoz@gmail.com>. Routing Table Report 04:00 +10GMT Sat 29 Nov, 2014 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 519301 Prefixes after maximum aggregation: 200376 Deaggregation factor: 2.59 Unique aggregates announced to Internet: 254950 Total ASes present in the Internet Routing Table: 48708 Prefixes per ASN: 10.66 Origin-only ASes present in the Internet Routing Table: 36301 Origin ASes announcing only one prefix: 16312 Transit ASes present in the Internet Routing Table: 6231 Transit-only ASes present in the Internet Routing Table: 178 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 73 Max AS path prepend of ASN ( 55644) 66 Prefixes from unregistered ASNs in the Routing Table: 1637 Unregistered ASNs in the Routing Table: 425 Number of 32-bit ASNs allocated by the RIRs: 8032 Number of 32-bit ASNs visible in the Routing Table: 6176 Prefixes from 32-bit ASNs in the Routing Table: 22081 Number of bogon 32-bit ASNs visible in the Routing Table: 6 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 357 Number of addresses announced to Internet: 2713210500 Equivalent to 161 /8s, 184 /16s and 78 /24s Percentage of available address space announced: 73.3 Percentage of allocated address space announced: 73.3 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 97.0 Total number of prefixes smaller than registry allocations: 176990 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 127927 Total APNIC prefixes after maximum aggregation: 37096 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 132411 Unique aggregates announced from the APNIC address blocks: 54049 APNIC Region origin ASes present in the Internet Routing Table: 4994 APNIC Prefixes per ASN: 26.51 APNIC Region origin ASes announcing only one prefix: 1201 APNIC Region transit ASes present in the Internet Routing Table: 872 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 73 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1193 Number of APNIC addresses announced to Internet: 737464576 Equivalent to 43 /8s, 244 /16s and 209 /24s Percentage of available APNIC address space announced: 86.2 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 131072-135580 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: 171629 Total ARIN prefixes after maximum aggregation: 85549 ARIN Deaggregation factor: 2.01 Prefixes being announced from the ARIN address blocks: 173623 Unique aggregates announced from the ARIN address blocks: 82104 ARIN Region origin ASes present in the Internet Routing Table: 16388 ARIN Prefixes per ASN: 10.59 ARIN Region origin ASes announcing only one prefix: 6078 ARIN Region transit ASes present in the Internet Routing Table: 1712 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 20 Number of ARIN region 32-bit ASNs visible in the Routing Table: 268 Number of ARIN addresses announced to Internet: 1054144704 Equivalent to 62 /8s, 212 /16s and 248 /24s Percentage of available ARIN address space announced: 55.8 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, 62464-63487, 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: 126322 Total RIPE prefixes after maximum aggregation: 63818 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 132057 Unique aggregates announced from the RIPE address blocks: 82786 RIPE Region origin ASes present in the Internet Routing Table: 17826 RIPE Prefixes per ASN: 7.41 RIPE Region origin ASes announcing only one prefix: 8181 RIPE Region transit ASes present in the Internet Routing Table: 2933 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 3235 Number of RIPE addresses announced to Internet: 692427396 Equivalent to 41 /8s, 69 /16s and 154 /24s Percentage of available RIPE address space announced: 100.7 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, 61952-62463, 196608-202239 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: 58799 Total LACNIC prefixes after maximum aggregation: 10857 LACNIC Deaggregation factor: 5.42 Prefixes being announced from the LACNIC address blocks: 67561 Unique aggregates announced from the LACNIC address blocks: 30814 LACNIC Region origin ASes present in the Internet Routing Table: 2378 LACNIC Prefixes per ASN: 28.41 LACNIC Region origin ASes announcing only one prefix: 644 LACNIC Region transit ASes present in the Internet Routing Table: 472 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1406 Number of LACNIC addresses announced to Internet: 167660608 Equivalent to 9 /8s, 254 /16s and 76 /24s Percentage of available LACNIC address space announced: 99.9 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-265628 + 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: 12415 Total AfriNIC prefixes after maximum aggregation: 3012 AfriNIC Deaggregation factor: 4.12 Prefixes being announced from the AfriNIC address blocks: 13292 Unique aggregates announced from the AfriNIC address blocks: 4879 AfriNIC Region origin ASes present in the Internet Routing Table: 738 AfriNIC Prefixes per ASN: 18.01 AfriNIC Region origin ASes announcing only one prefix: 208 AfriNIC Region transit ASes present in the Internet Routing Table: 155 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 74 Number of AfriNIC addresses announced to Internet: 60115456 Equivalent to 3 /8s, 149 /16s and 74 /24s Percentage of available AfriNIC address space announced: 59.7 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 11585 931 Korea Telecom 17974 2840 904 77 PT Telekomunikasi Indonesia 7545 2466 337 129 TPG Telecom Limited 4755 1930 416 192 TATA Communications formerly 9829 1671 1323 28 National Internet Backbone 4538 1547 4190 71 China Education and Research 9808 1495 6655 16 Guangdong Mobile Communicatio 4808 1429 2213 427 CNCGROUP IP network China169 9583 1365 112 563 Sify Limited 9498 1318 334 95 BHARTI Airtel Ltd. 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 2892 3688 51 BellSouth.net Inc. 22773 2851 2956 144 Cox Communications Inc. 18566 2044 379 183 MegaPath Corporation 20115 1827 1805 472 Charter Communications 4323 1643 1053 412 tw telecom holdings, inc. 6983 1629 867 251 EarthLink, Inc. 30036 1503 312 594 Mediacom Communications Corp 701 1424 11265 704 MCI Communications Services, 22561 1310 411 244 CenturyTel Internet Holdings, 11492 1227 217 532 CABLE ONE, INC. 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 34984 1898 298 356 TELLCOM ILETISIM HIZMETLERI A 20940 1509 588 1114 Akamai International B.V. 8402 1377 544 15 OJSC "Vimpelcom" 31148 1045 45 21 Freenet Ltd. 13188 997 95 60 TOV "Bank-Inform" 8551 900 373 44 Bezeq International-Ltd 6849 834 356 26 JSC "Ukrtelecom" 9198 824 346 32 JSC Kazakhtelecom 6830 817 2339 439 Liberty Global Operations B.V 12479 777 788 94 France Telecom Espana SA 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 10620 3046 494 247 Telmex Colombia S.A. 28573 2322 2263 110 NET Serviços de Comunicação S 6147 1806 374 30 Telefonica del Peru S.A.A. 7303 1733 1123 242 Telecom Argentina S.A. 8151 1481 3031 423 Uninet S.A. de C.V. 6503 1228 433 58 Axtel, S.A.B. de C.V. 7738 999 1882 41 Telemar Norte Leste S.A. 26615 914 2325 35 Tim Celular S.A. 3816 907 394 146 COLOMBIA TELECOMUNICACIONES S 27947 886 129 50 Telconet 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 8452 1410 958 13 TE-AS 24863 958 280 26 Link Egypt (Link.NET) 36903 415 209 129 Office National des Postes et 36992 368 824 29 ETISALAT MISR 24835 308 144 9 Vodafone Data 37492 291 133 61 Orange Tunisie 37054 257 19 6 Data Telecom Service 3741 249 920 212 Internet Solutions 29571 245 22 17 Cote d'Ivoire Telecom 37457 185 160 4 Telkom SA Ltd. 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 10620 3046 494 247 Telmex Colombia S.A. 4766 2957 11585 931 Korea Telecom 6389 2892 3688 51 BellSouth.net Inc. 22773 2851 2956 144 Cox Communications Inc. 17974 2840 904 77 PT Telekomunikasi Indonesia 7545 2466 337 129 TPG Telecom Limited 28573 2322 2263 110 NET Serviços de Comunicação S 18566 2044 379 183 MegaPath Corporation 4755 1930 416 192 TATA Communications formerly 34984 1898 298 356 TELLCOM ILETISIM HIZMETLERI A Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 6389 2892 2841 BellSouth.net Inc. 17974 2840 2763 PT Telekomunikasi Indonesia 22773 2851 2707 Cox Communications Inc. 7545 2466 2337 TPG Telecom Limited 28573 2322 2212 NET Serviços de Comunicação S 4766 2957 2026 Korea Telecom 18566 2044 1861 MegaPath Corporation 6147 1806 1776 Telefonica del Peru S.A.A. 4755 1930 1738 TATA Communications formerly 9829 1671 1643 National Internet Backbone Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 30662 UNALLOCATED 8.2.129.0/24 3356 Level 3 Communicatio 53506 UNALLOCATED 8.17.102.0/23 3356 Level 3 Communicatio 46467 UNALLOCATED 8.19.192.0/24 46887 Lightower Fiber Netw 20260 UNALLOCATED 8.25.160.0/24 3356 Level 3 Communicatio 20260 UNALLOCATED 8.25.161.0/24 3356 Level 3 Communicatio 46473 UNALLOCATED 8.27.122.0/24 12180 Internap Network Ser 46473 UNALLOCATED 8.27.124.0/24 12180 Internap Network Ser 27205 UNALLOCATED 8.38.16.0/21 6461 Abovenet Communicati 15347 UNALLOCATED 8.224.147.0/24 12064 Cox Communications I 33628 UNALLOCATED 12.0.239.0/24 1239 Sprint Complete listing at http://thyme.rand.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 5.100.241.0/24 23456 32bit Transition AS 23.252.224.0/20 62502 Xnet Media LLC 23.252.224.0/21 62502 Xnet Media LLC 23.252.232.0/21 62502 Xnet Media LLC 24.231.96.0/24 21548 MTO Telecom Inc. 27.100.7.0/24 56096 >>UNKNOWN<< 31.217.248.0/21 44902 COVAGE NETWORKS SASU 37.16.88.0/23 57652 >>UNKNOWN<< 41.73.1.0/24 37004 >>UNKNOWN<< 41.73.2.0/24 37004 >>UNKNOWN<< 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 /9:12 /10:31 /11:92 /12:264 /13:500 /14:999 /15:1726 /16:13044 /17:7143 /18:11921 /19:24778 /20:35343 /21:37591 /22:55689 /23:48420 /24:278771 /25:1110 /26:1089 /27:704 /28:16 /29:19 /30:11 /31:0 /32:12 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 22773 2063 2851 Cox Communications Inc. 18566 1999 2044 MegaPath Corporation 6389 1672 2892 BellSouth.net Inc. 6147 1357 1806 Telefonica del Peru S.A.A. 30036 1349 1503 Mediacom Communications Corp 6983 1309 1629 EarthLink, Inc. 34984 1205 1898 TELLCOM ILETISIM HIZMETLERI A 11492 1172 1227 CABLE ONE, INC. 10620 1077 3046 Telmex Colombia S.A. 8402 1042 1377 OJSC "Vimpelcom" Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1364 2:676 3:3 4:16 5:1226 6:23 8:770 12:1845 13:5 14:1193 15:17 16:2 17:42 18:21 20:51 23:1022 24:1671 27:1805 31:1407 32:39 33:2 34:5 36:153 37:1851 38:976 39:14 40:225 41:2998 42:272 43:695 44:19 45:84 46:2104 47:30 49:762 50:795 52:12 54:60 55:6 56:6 57:31 58:1158 59:661 60:449 61:1706 62:1303 63:1843 64:4397 65:2282 66:4109 67:2007 68:1046 69:3263 70:873 71:434 72:1982 74:2601 75:321 76:410 77:1522 78:956 79:782 80:1328 81:1278 82:816 83:672 84:673 85:1356 86:448 87:1190 88:507 89:1827 90:140 91:5832 92:797 93:1667 94:1948 95:1305 96:426 97:341 98:1030 99:48 100:67 101:759 103:6173 104:745 105:171 106:190 107:866 108:609 109:1998 110:1054 111:1426 112:732 113:917 114:802 115:1220 116:1233 117:1008 118:1596 119:1363 120:442 121:989 122:2209 123:1704 124:1460 125:1544 128:653 129:391 130:382 131:987 132:429 133:164 134:324 135:83 136:332 137:303 138:388 139:162 140:225 141:423 142:636 143:435 144:508 145:112 146:694 147:561 148:1059 149:400 150:519 151:646 152:482 153:247 154:413 155:640 156:386 157:332 158:251 159:935 160:335 161:616 162:1819 163:373 164:645 165:674 166:300 167:702 168:1162 169:130 170:1423 171:215 172:60 173:1583 174:708 175:585 176:1550 177:3690 178:2109 179:790 180:1813 181:1637 182:1672 183:527 184:705 185:2408 186:2925 187:1667 188:2018 189:1531 190:7925 191:818 192:7846 193:5563 194:4064 195:3616 196:1653 197:842 198:5340 199:5466 200:6536 201:2949 202:9453 203:9006 204:4687 205:2680 206:3003 207:2972 208:3924 209:3809 210:3465 211:1846 212:2452 213:2207 214:833 215:87 216:5610 217:1716 218:650 219:398 220:1298 221:773 222:439 223:662 End of report
On Sat, Nov 29, 2014 at 04:11:41AM +1000, Routing Analysis Role Account wrote:
Routing Table Report 04:00 +10GMT Sat 29 Nov, 2014
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 126322 Total RIPE prefixes after maximum aggregation: 63818 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 132057 Unique aggregates announced from the RIPE address blocks: 82786 RIPE Region origin ASes present in the Internet Routing Table: 17826 RIPE Prefixes per ASN: 7.41 RIPE Region origin ASes announcing only one prefix: 8181 RIPE Region transit ASes present in the Internet Routing Table: 2933 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 3235 Number of RIPE addresses announced to Internet: 692427396 Equivalent to 41 /8s, 69 /16s and 154 /24s Percentage of available RIPE address space announced: 100.7
Hare we in RIPE region turned something up to 11? :-) How does that 100.7% number come into existance? Kind regards, Job
Hare we in RIPE region turned something up to 11? :-)
How does that 100.7% number come into existance?
Oh, *that's* what they mean by address overloading. Rob
Hi Job, Job Snijders wrote on 29/11/2014 04:19 :
Percentage of available RIPE address space announced: 100.7
Hare we in RIPE region turned something up to 11? :-)
How does that 100.7% number come into existance?
Now that's a very good question! I'll have a look at the code to see what happened here. I think I know why, but let me check first. philip --
participants (4)
-
Job Snijders
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Philip Smith
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Rob Evans
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Routing Analysis Role Account