- routing-wg - mailman.ripe.net

Weekly Routing Table Report
by Routing Analysis Role Account 14 Sep '12

14 Sep '12

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 15 Sep, 2012 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 426606 Prefixes after maximum aggregation: 177882 Deaggregation factor: 2.40 Unique aggregates announced to Internet: 207475 Total ASes present in the Internet Routing Table: 42113 Prefixes per ASN: 10.13 Origin-only ASes present in the Internet Routing Table: 33613 Origin ASes announcing only one prefix: 15760 Transit ASes present in the Internet Routing Table: 5611 Transit-only ASes present in the Internet Routing Table: 135 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 32 Max AS path prepend of ASN ( 48687) 24 Prefixes from unregistered ASNs in the Routing Table: 716 Unregistered ASNs in the Routing Table: 253 Number of 32-bit ASNs allocated by the RIRs: 3277 Number of 32-bit ASNs visible in the Routing Table: 2889 Prefixes from 32-bit ASNs in the Routing Table: 7687 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 177 Number of addresses announced to Internet: 2595714508 Equivalent to 154 /8s, 183 /16s and 117 /24s Percentage of available address space announced: 70.1 Percentage of allocated address space announced: 70.1 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 93.6 Total number of prefixes smaller than registry allocations: 150375 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 102576 Total APNIC prefixes after maximum aggregation: 32472 APNIC Deaggregation factor: 3.16 Prefixes being announced from the APNIC address blocks: 103203 Unique aggregates announced from the APNIC address blocks: 42696 APNIC Region origin ASes present in the Internet Routing Table: 4756 APNIC Prefixes per ASN: 21.70 APNIC Region origin ASes announcing only one prefix: 1234 APNIC Region transit ASes present in the Internet Routing Table: 768 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 309 Number of APNIC addresses announced to Internet: 707879232 Equivalent to 42 /8s, 49 /16s and 97 /24s Percentage of available APNIC address space announced: 82.7 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: 154269 Total ARIN prefixes after maximum aggregation: 78053 ARIN Deaggregation factor: 1.98 Prefixes being announced from the ARIN address blocks: 155263 Unique aggregates announced from the ARIN address blocks: 69144 ARIN Region origin ASes present in the Internet Routing Table: 15238 ARIN Prefixes per ASN: 10.19 ARIN Region origin ASes announcing only one prefix: 5745 ARIN Region transit ASes present in the Internet Routing Table: 1599 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 17 Number of ARIN addresses announced to Internet: 1084171392 Equivalent to 64 /8s, 159 /16s and 36 /24s Percentage of available ARIN address space announced: 57.4 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: 108355 Total RIPE prefixes after maximum aggregation: 56640 RIPE Deaggregation factor: 1.91 Prefixes being announced from the RIPE address blocks: 110819 Unique aggregates announced from the RIPE address blocks: 70085 RIPE Region origin ASes present in the Internet Routing Table: 16853 RIPE Prefixes per ASN: 6.58 RIPE Region origin ASes announcing only one prefix: 8165 RIPE Region transit ASes present in the Internet Routing Table: 2711 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1876 Number of RIPE addresses announced to Internet: 645372900 Equivalent to 38 /8s, 119 /16s and 155 /24s Percentage of available RIPE address space announced: 93.8 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: 43765 Total LACNIC prefixes after maximum aggregation: 8447 LACNIC Deaggregation factor: 5.18 Prefixes being announced from the LACNIC address blocks: 46833 Unique aggregates announced from the LACNIC address blocks: 21932 LACNIC Region origin ASes present in the Internet Routing Table: 1647 LACNIC Prefixes per ASN: 28.44 LACNIC Region origin ASes announcing only one prefix: 442 LACNIC Region transit ASes present in the Internet Routing Table: 324 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 681 Number of LACNIC addresses announced to Internet: 116179240 Equivalent to 6 /8s, 236 /16s and 193 /24s Percentage of available LACNIC address space announced: 69.2 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 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: 9832 Total AfriNIC prefixes after maximum aggregation: 2213 AfriNIC Deaggregation factor: 4.44 Prefixes being announced from the AfriNIC address blocks: 10311 Unique aggregates announced from the AfriNIC address blocks: 3470 AfriNIC Region origin ASes present in the Internet Routing Table: 562 AfriNIC Prefixes per ASN: 18.35 AfriNIC Region origin ASes announcing only one prefix: 174 AfriNIC Region transit ASes present in the Internet Routing Table: 128 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 25 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6 Number of AfriNIC addresses announced to Internet: 41805056 Equivalent to 2 /8s, 125 /16s and 229 /24s Percentage of available AfriNIC address space announced: 41.5 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 2979 11429 904 Korea Telecom (KIX) 17974 2339 702 54 PT TELEKOMUNIKASI INDONESIA 7545 1757 301 86 TPG Internet Pty Ltd 4755 1617 387 162 TATA Communications formerly 9829 1333 1106 41 BSNL National Internet Backbo 9583 1177 87 513 Sify Limited 7552 1129 1062 11 Vietel Corporation 4808 1126 2050 320 CNCGROUP IP network: China169 24560 1040 385 159 Bharti Airtel Ltd., Telemedia 9498 1009 310 73 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 3331 3735 185 bellsouth.net, inc. 7029 3154 990 161 Windstream Communications Inc 18566 2085 382 180 Covad Communications 1785 1911 678 128 PaeTec Communications, Inc. 22773 1886 2931 129 Cox Communications, Inc. 20115 1659 1580 615 Charter Communications 4323 1577 1154 387 Time Warner Telecom 30036 1388 273 744 Mediacom Communications Corp 7018 1241 10316 827 AT&T WorldNet Services 7011 1204 329 698 Citizens Utilities 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 1654 544 16 Corbina telecom 2118 1401 97 14 EUnet/RELCOM Autonomous Syste 15557 1226 2247 55 LDCOM NETWORKS 12479 846 773 79 Uni2 Autonomous System 34984 766 205 179 BILISIM TELEKOM 6830 723 2313 447 UPC Distribution Services 20940 720 230 552 Akamai Technologies European 31148 709 37 9 FreeNet ISP 13188 668 100 9 Educational Network 58113 616 69 362 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 10620 2155 368 223 TVCABLE BOGOTA 28573 2145 1248 54 NET Servicos de Comunicao S.A 8151 1580 3034 348 UniNet S.A. de C.V. 7303 1565 1034 199 Telecom Argentina Stet-France 6503 1535 451 69 AVANTEL, S.A. 6458 751 81 15 GUATEL 27947 722 74 94 Telconet S.A 3816 643 310 30 Empresa Nacional de Telecomun 11172 593 85 69 Servicios Alestra S.A de C.V 14420 581 83 100 CORPORACION NACIONAL DE TELEC 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 24863 879 275 36 LINKdotNET AS number 8452 812 958 13 TEDATA 36998 772 48 3 MOBITEL 6713 517 650 19 Itissalat Al-MAGHRIB 24835 269 80 8 RAYA Telecom - Egypt 3741 263 904 223 The Internet Solution 33776 207 12 12 Starcomms Nigeria Limited 12258 194 28 66 Vodacom Internet Company 15706 193 32 6 Sudatel Internet Exchange Aut 29975 191 667 21 Vodacom 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 3331 3735 185 bellsouth.net, inc. 7029 3154 990 161 Windstream Communications Inc 4766 2979 11429 904 Korea Telecom (KIX) 17974 2339 702 54 PT TELEKOMUNIKASI INDONESIA 10620 2155 368 223 TVCABLE BOGOTA 28573 2145 1248 54 NET Servicos de Comunicao S.A 18566 2085 382 180 Covad Communications 1785 1911 678 128 PaeTec Communications, Inc. 22773 1886 2931 129 Cox Communications, Inc. 7545 1757 301 86 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 7029 3154 2993 Windstream Communications Inc 17974 2339 2285 PT TELEKOMUNIKASI INDONESIA 28573 2145 2091 NET Servicos de Comunicao S.A 4766 2979 2075 Korea Telecom (KIX) 10620 2155 1932 TVCABLE BOGOTA 18566 2085 1905 Covad Communications 1785 1911 1783 PaeTec Communications, Inc. 22773 1886 1757 Cox Communications, Inc. 7545 1757 1671 TPG Internet Pty Ltd 8402 1654 1638 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 59505 UNALLOCATED 5.2.65.0/24 50673 Serverius AS 59505 UNALLOCATED 5.2.66.0/24 50673 Serverius AS 59414 UNALLOCATED 5.102.144.0/21 15576 Nextra backbone in D 59395 UNALLOCATED 5.133.16.0/21 12658 Dexterity Networks L 59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH 59521 UNALLOCATED 5.134.192.0/21 29518 Labs2 59441 UNALLOCATED 5.144.128.0/21 50810 Mobin Net Communicat 59581 UNALLOCATED 5.149.8.0/21 25577 C4L main AS 59457 UNALLOCATED 5.149.64.0/24 35567 DASTO semtel d.o.o. 59457 UNALLOCATED 5.149.64.0/19 35567 DASTO semtel d.o.o. Complete listing at http://thyme.rand.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 5.249.176.0/20 58056 IKT, d.o.o. 5.249.192.0/19 42277 RIPE Network Coordination Cen 5.254.128.0/24 42708 RIPE Network Coordination Cen 14.192.0.0/22 45464 Room 201, TGU Bldg 14.192.4.0/22 45464 Room 201, TGU Bldg 14.192.8.0/22 45464 Room 201, TGU Bldg 14.192.12.0/22 45464 Room 201, TGU Bldg 14.192.16.0/22 45464 Room 201, TGU Bldg 14.192.20.0/22 45464 Room 201, TGU Bldg 14.192.24.0/22 45464 Room 201, TGU Bldg 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 /8:18 /9:14 /10:29 /11:84 /12:237 /13:476 /14:843 /15:1543 /16:12393 /17:6441 /18:10838 /19:21093 /20:30253 /21:32163 /22:42398 /23:39918 /24:223596 /25:1402 /26:1664 /27:924 /28:175 /29:62 /30:18 /31:0 /32:24 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 7029 2641 3154 Windstream Communications Inc 18566 2035 2085 Covad Communications 6389 1851 3331 bellsouth.net, inc. 8402 1377 1654 Corbina telecom 30036 1323 1388 Mediacom Communications Corp 22773 1227 1886 Cox Communications, Inc. 15557 1170 1226 LDCOM NETWORKS 11492 1161 1198 Cable One 6503 1053 1535 AVANTEL, S.A. 1785 1013 1911 PaeTec Communications, Inc. Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:604 2:600 3:1 4:13 5:485 6:3 8:457 12:2000 13:1 14:664 15:11 16:3 17:6 20:27 23:206 24:1789 27:1358 31:1022 32:56 33:2 34:2 36:7 37:737 38:829 39:2 40:133 41:3072 42:158 44:3 46:1587 47:2 49:476 50:595 52:13 54:18 55:9 56:1 57:31 58:986 59:531 60:241 61:1292 62:950 63:1995 64:4266 65:2240 66:4500 67:2040 68:1170 69:3202 70:987 71:509 72:1871 74:2599 75:483 76:313 77:949 78:960 79:488 80:1264 81:957 82:628 83:532 84:615 85:1159 86:810 87:923 88:363 89:1805 90:302 91:5206 92:579 93:1546 94:1604 95:1167 96:416 97:319 98:994 99:39 100:23 101:261 103:1533 105:512 106:118 107:198 108:455 109:1935 110:797 111:964 112:450 113:704 114:657 115:813 116:891 117:729 118:935 119:1266 120:309 121:688 122:1645 123:1161 124:1345 125:1284 128:549 129:184 130:282 131:633 132:301 133:22 134:250 135:61 136:217 137:239 138:340 139:171 140:500 141:282 142:487 143:370 144:497 145:80 146:515 147:257 148:757 149:324 150:157 151:170 152:450 153:183 154:20 155:419 156:222 157:381 158:186 159:647 160:343 161:414 162:359 163:190 164:693 165:420 166:530 167:550 168:964 169:125 170:908 171:150 172:7 173:1688 174:612 175:440 176:799 177:1166 178:1645 180:1361 181:136 182:1052 183:295 184:605 186:2242 187:1248 188:1501 189:1578 190:6026 192:6030 193:5725 194:4554 195:3455 196:1200 197:220 198:3784 199:4996 200:5967 201:1957 202:8714 203:8726 204:4431 205:2548 206:2780 207:2874 208:4069 209:3656 210:2837 211:1533 212:2034 213:1814 214:883 215:87 216:5135 217:1550 218:569 219:315 220:1242 221:536 222:334 223:385 End of report

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Annoucing supernets in BGP?
by Michael Markstaller 13 Sep '12

13 Sep '12

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, just a formal question: Is it good/best practice for Swisscom to announce 80/5 into BGP ? (which covers our assignment 81.16.176.0/20 and many others) More-specific wins, sure.. but we had some troubles yesterday, so just a question to ask.. If it's the wrong ML, sorry, happy to get redirected.. - -- Mit freundlichen Grüssen Michael Markstaller Elaborated Networks GmbH www.elabnet.de Lise-Meitner-Str. 1, D-85662 Hohenbrunn, Germany fon: +49-8102-8951-60, fax: +49-8102-8951-80 Geschäftsführer: Stefan Werner, Michael Markstaller Amtsgericht München HRB 125120, Ust-ID: DE201281054 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://www.enigmail.net/ iEYEARECAAYFAlBPVDAACgkQaWRHV2kMuAL0FACeOV3dX6Z20RWMCiaNfBWLdpNG XD0An0HOlBRg8JrHIIrlCMcgfq0XmJuL =sRoe -----END PGP SIGNATURE-----

8 12

Fwd: Re: Annoucing supernets in BGP?
by Michael Markstaller 12 Sep '12

12 Sep '12

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 > I see three ways: 1) RPKI 2) RPKI 3) RPKI I fully agree! But I ask: where is it used? Obviously nowhere at Tier1/2, otherwise we wouldn't see such a big mess like 80/5 in BGP.. Is it up to me, a XS-provider to start with - while its globally ignored? regards Michael Markstaller Elaborated Networks GmbH www.elabnet.de Lise-Meitner-Str. 1, D-85662 Hohenbrunn, Germany fon: +49-8102-8951-60, fax: +49-8102-8951-80 Geschäftsführer: Stefan Werner, Michael Markstaller Amtsgericht München HRB 125120, Ust-ID: DE201281054 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://www.enigmail.net/ iEYEARECAAYFAlBPfl0ACgkQaWRHV2kMuALt0wCcChjD/i/09cVhCK5VU7EPABPS RvEAoPVqblShjgKtH1dZK2S4rZC12ACQ =tHEE -----END PGP SIGNATURE-----

3 4

Updated agenda for Amsterdam
by Rob Evans 11 Sep '12

11 Sep '12

All, Here is a slightly updated agenda for our meeting in a couple of weeks time. Regards, Rob A. Welcome. 0:05 Thank scribe, jabber monitor and stenographer. Minutes of working group meeting at RIPE65. Moving the Route Flap Damping document to last call. B. BGP Security Best Practices 0:10 Ivan Pepelnjak http://tools.ietf.org/html/draft-jdurand-bgp-security-01 C. A Case Study of IPv6 /48 Filtering 0:15 Emile Aben D. Summary of the open source routing BoF 0:15 Martin Winter E. IPv6 Real-Time Blackholing (with configuration examples) Nick Hilliard Y. Interaction with other working groups Z. AOB

1 0

New on RIPE Labs: Update on AS Path Lengths Over Time
by Mirjam Kuehne 10 Sep '12

10 Sep '12

Dear colleagues, Please find a new article on RIPE Labs: Update on AS Path Lengths Over Time: https://labs.ripe.net/Members/mirjam/update-on-as-path-lengths-over-time Kind regards, Mirjam Kuehne RIPE NCC

1 0

BGP Update Report
by cidr-report＠potaroo.net 08 Sep '12

08 Sep '12

BGP Update Report Interval: 30-Aug-12 -to- 06-Sep-12 (7 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS6517 143391 6.8% 279.0 -- RELIANCEGLOBALCOM - Reliance Globalcom Services, Inc 2 - AS30137 130915 6.2% 2146.1 -- SEA-BROADBAND - Sea Broadband, LLC 3 - AS10198 86716 4.1% 17343.2 -- CUP-AS-KR Catholic University of Pusan 4 - AS8402 43880 2.1% 30.5 -- CORBINA-AS OJSC "Vimpelcom" 5 - AS9829 36108 1.7% 29.2 -- BSNL-NIB National Internet Backbone 6 - AS22561 26219 1.2% 25.1 -- DIGITAL-TELEPORT - Digital Teleport Inc. 7 - AS24560 23941 1.1% 41.9 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 8 - AS13118 20062 1.0% 418.0 -- ASN-YARTELECOM OJSC Rostelecom 9 - AS1637 16835 0.8% 189.2 -- DNIC-AS-01637 - Headquarters, USAISC 10 - AS28238 14083 0.7% 440.1 -- 11 - AS3356 14040 0.7% 12.8 -- LEVEL3 Level 3 Communications 12 - AS25620 11921 0.6% 56.5 -- COTAS LTDA. 13 - AS27947 11885 0.6% 16.5 -- Telconet S.A 14 - AS2697 11748 0.6% 94.0 -- ERX-ERNET-AS Education and Research Network 15 - AS19361 11314 0.5% 332.8 -- Atrium Telecomunicacoes Ltda 16 - AS28573 10642 0.5% 4.9 -- NET Servicos de Comunicao S.A. 17 - AS7029 10532 0.5% 3.0 -- WINDSTREAM - Windstream Communications Inc 18 - AS21599 10127 0.5% 81.7 -- NETDIRECT S.A. 19 - AS5800 9861 0.5% 38.7 -- DNIC-ASBLK-05800-06055 - DoD Network Information Center 20 - AS38920 9159 0.4% 4579.5 -- TURKLANDBANK-TR TURKLANDBANK TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS10198 86716 4.1% 17343.2 -- CUP-AS-KR Catholic University of Pusan 2 - AS38920 9159 0.4% 4579.5 -- TURKLANDBANK-TR TURKLANDBANK 3 - AS14680 6671 0.3% 2223.7 -- REALE-6 - Auction.com 4 - AS30137 130915 6.2% 2146.1 -- SEA-BROADBAND - Sea Broadband, LLC 5 - AS44410 5228 0.2% 1742.7 -- ENTEKHAB-AS ENTEKHAB INDUSTRIAL GROUP 6 - AS38857 1596 0.1% 1596.0 -- ESOFT-TRANSIT-AS-AP e.Soft Technologies Ltd. 7 - AS36948 3143 0.1% 1571.5 -- KENIC 8 - AS6629 8923 0.4% 1274.7 -- NOAA-AS - NOAA 9 - AS13178 4286 0.2% 1071.5 -- DIGCOMM Digital communications, LTD 10 - AS41733 8324 0.4% 1040.5 -- ZTELECOM-AS JSC "Z-Telecom" 11 - AS29126 881 0.0% 881.0 -- DATIQ-AS Datiq B.V. 12 - AS46620 768 0.0% 768.0 -- WBH-ISC-RO - William Beaumont Hospital 13 - AS25715 1414 0.1% 707.0 -- UREACH-C - UREACH TECHNOLOGIES, INC. 14 - AS29398 503 0.0% 503.0 -- PETROBALTIC "Petrobaltic" S.A. 15 - AS32529 493 0.0% 493.0 -- CGI-FEDERAL-ASN-1 - CGI Federal 16 - AS56763 474 0.0% 474.0 -- INFOTELL-AS Infotell-Telecom Ltd 17 - AS28238 14083 0.7% 440.1 -- 18 - AS48696 436 0.0% 436.0 -- TEMP-AS TEMP Ltd. 19 - AS21023 432 0.0% 432.0 -- UPB-AS Joint Stock Company Ural Industrial Bank 20 - AS13118 20062 1.0% 418.0 -- ASN-YARTELECOM OJSC Rostelecom TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 109.161.64.0/19 20015 0.9% AS13118 -- ASN-YARTELECOM OJSC Rostelecom 2 - 110.9.62.0/23 17942 0.8% AS10198 -- CUP-AS-KR Catholic University of Pusan 3 - 110.9.64.0/23 17935 0.8% AS10198 -- CUP-AS-KR Catholic University of Pusan 4 - 110.9.61.0/24 17935 0.8% AS10198 -- CUP-AS-KR Catholic University of Pusan 5 - 203.232.208.0/21 16455 0.7% AS10198 -- CUP-AS-KR Catholic University of Pusan 6 - 210.93.62.0/23 16449 0.7% AS10198 -- CUP-AS-KR Catholic University of Pusan 7 - 184.159.130.0/23 13806 0.6% AS22561 -- DIGITAL-TELEPORT - Digital Teleport Inc. 8 - 199.250.214.0/24 11293 0.5% AS6517 -- RELIANCEGLOBALCOM - Reliance Globalcom Services, Inc 9 - 199.250.206.0/24 11291 0.5% AS6517 -- RELIANCEGLOBALCOM - Reliance Globalcom Services, Inc 10 - 199.250.213.0/24 11290 0.5% AS6517 -- RELIANCEGLOBALCOM - Reliance Globalcom Services, Inc 11 - 199.250.204.0/24 11289 0.5% AS6517 -- RELIANCEGLOBALCOM - Reliance Globalcom Services, Inc 12 - 199.250.215.0/24 11289 0.5% AS6517 -- RELIANCEGLOBALCOM - Reliance Globalcom Services, Inc 13 - 199.250.207.0/24 11289 0.5% AS6517 -- RELIANCEGLOBALCOM - Reliance Globalcom Services, Inc 14 - 199.250.195.0/24 11288 0.5% AS6517 -- RELIANCEGLOBALCOM - Reliance Globalcom Services, Inc 15 - 199.250.205.0/24 11286 0.5% AS6517 -- RELIANCEGLOBALCOM - Reliance Globalcom Services, Inc 16 - 199.250.193.0/24 11283 0.5% AS6517 -- RELIANCEGLOBALCOM - Reliance Globalcom Services, Inc 17 - 199.250.192.0/24 11283 0.5% AS6517 -- RELIANCEGLOBALCOM - Reliance Globalcom Services, Inc 18 - 199.250.212.0/24 11258 0.5% AS6517 -- RELIANCEGLOBALCOM - Reliance Globalcom Services, Inc 19 - 184.157.224.0/19 10921 0.5% AS22561 -- DIGITAL-TELEPORT - Digital Teleport Inc. 20 - 74.91.60.0/24 10908 0.5% AS30137 -- SEA-BROADBAND - Sea Broadband, LLC 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

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The Cidr Report
by cidr-report＠potaroo.net 08 Sep '12

08 Sep '12

This report has been generated at Fri Sep 7 21:13:05 2012 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 31-08-12 426827 246600 01-09-12 426662 246502 02-09-12 426856 246667 03-09-12 427078 246831 04-09-12 426935 245691 05-09-12 427098 246050 06-09-12 427448 246019 07-09-12 427365 246183 AS Summary 42141 Number of ASes in routing system 17590 Number of ASes announcing only one prefix 3459 Largest number of prefixes announced by an AS AS7029 : WINDSTREAM - Windstream Communications Inc 113164512 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'). --- 07Sep12 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 428070 246197 181873 42.5% All ASes AS6389 3334 187 3147 94.4% BELLSOUTH-NET-BLK - BellSouth.net Inc. AS28573 2141 58 2083 97.3% NET Servicos de Comunicao S.A. AS17974 2342 537 1805 77.1% TELKOMNET-AS2-AP PT Telekomunikasi Indonesia AS22773 1888 158 1730 91.6% ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc. AS7029 3459 1733 1726 49.9% WINDSTREAM - Windstream Communications Inc AS18566 2085 423 1662 79.7% COVAD - Covad Communications Co. AS4766 2954 1462 1492 50.5% KIXS-AS-KR Korea Telecom AS2118 1401 14 1387 99.0% RELCOM-AS OOO "NPO Relcom" AS10620 2132 785 1347 63.2% Telmex Colombia S.A. AS4323 1582 389 1193 75.4% TWTC - tw telecom holdings, inc. AS7303 1564 451 1113 71.2% Telecom Argentina S.A. AS1785 1914 824 1090 56.9% AS-PAETEC-NET - PaeTec Communications, Inc. AS4755 1618 546 1072 66.3% TATACOMM-AS TATA Communications formerly VSNL is Leading ISP AS7552 1121 207 914 81.5% VIETEL-AS-AP Vietel Corporation AS8151 1570 695 875 55.7% Uninet S.A. de C.V. AS18101 941 157 784 83.3% RELIANCE-COMMUNICATIONS-IN Reliance Communications Ltd.DAKC MUMBAI AS4808 1121 354 767 68.4% CHINA169-BJ CNCGROUP IP network China169 Beijing Province Network AS6458 791 42 749 94.7% Telgua AS13977 848 121 727 85.7% CTELCO - FAIRPOINT COMMUNICATIONS, INC. AS15557 1221 556 665 54.5% LDCOMNET Societe Francaise du Radiotelephone S.A AS3356 1107 475 632 57.1% LEVEL3 Level 3 Communications AS855 682 52 630 92.4% CANET-ASN-4 - Bell Aliant Regional Communications, Inc. AS36998 776 146 630 81.2% SDN-MOBITEL AS17676 711 85 626 88.0% GIGAINFRA Softbank BB Corp. AS22561 1034 428 606 58.6% DIGITAL-TELEPORT - Digital Teleport Inc. AS19262 1002 404 598 59.7% VZGNI-TRANSIT - Verizon Online LLC AS24560 1040 442 598 57.5% AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services AS30036 1417 833 584 41.2% MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp AS7545 1752 1182 570 32.5% TPG-INTERNET-AP TPG Internet Pty Ltd AS3549 1001 438 563 56.2% GBLX Global Crossing Ltd. Total 46549 14184 32365 69.5% Top 30 total Possible Bogus Routes 5.226.64.0/18 AS12741 INTERNETIA-AS Netia SA 5.226.136.0/21 AS25369 BANDWIDTH-AS Bandwith Technologies Ltd 5.228.0.0/16 AS42610 NCNET-AS National Cable Networks 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- 14.192.0.0/22 AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg 14.192.4.0/22 AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg 14.192.8.0/22 AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg 14.192.12.0/22 AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg 14.192.16.0/22 AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg 14.192.20.0/22 AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg 14.192.24.0/22 AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg 14.192.28.0/22 AS45464 NEXTWEB-AS-AP Room 201, TGU Bldg 27.112.114.0/24 AS23884 PROENNET-AS Proimage Engineering and Communication Co.,Ltd. 41.220.80.0/24 AS38925 DAC-AS G.I.T. TELECOM LIMITED 41.220.81.0/24 AS38925 DAC-AS G.I.T. TELECOM LIMITED 41.220.94.0/23 AS42235 IDC-AS Intra Data Communication 41.222.80.0/21 AS37110 moztel-as 41.223.108.0/22 AS36966 EDL_AS Edgenet AS 62.61.220.0/24 AS24974 TACHYON-EU Tachyon Europe BV 62.61.221.0/24 AS24974 TACHYON-EU Tachyon Europe BV 64.66.32.0/20 AS18864 64.187.208.0/24 AS174 COGENT Cogent/PSI 64.187.209.0/24 AS23005 SWITCH-COMMUNICATIONS - SWITCH Communications Group LLC 66.171.32.0/20 AS705 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 66.180.239.0/24 AS35888 VIGNETTE - VIGNETTE CORPORATION 66.207.32.0/20 AS23011 66.245.176.0/20 AS19318 NJIIX-AS-1 - NEW JERSEY INTERNATIONAL INTERNET EXCHANGE LLC 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 66.251.143.0/24 AS3356 LEVEL3 Level 3 Communications 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 70.34.112.0/20 AS27589 MOJOHOST - MOJOHOST 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 74.115.126.0/24 AS11260 EASTLINK-HSI - EastLink 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 109.177.0.0/16 AS5541 ADNET-TELECOM AdNet Telecom 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 172.254.254.0/24 AS26274 176.124.148.0/24 AS29518 BREDBAND2 Bredband2 AB 176.124.172.0/22 AS52165 PDSINET Personal Development Systems International SRL 176.124.176.0/21 AS52165 PDSINET Personal Development Systems International SRL 188.114.96.0/20 AS13335 CLOUDFLARENET - CloudFlare, Inc. 192.0.0.0/24 AS14745 INTERNAP-BLOCK-4 - Internap Network Services Corporation 198.18.0.0/15 AS14745 INTERNAP-BLOCK-4 - Internap Network Services Corporation 198.51.100.0/24 AS14745 INTERNAP-BLOCK-4 - Internap Network Services Corporation 200.1.112.0/24 AS29754 GO2TEL GO2TEL.COM INC. 200.6.49.0/24 AS23148 TERREMARK Terremark 200.53.0.0/19 AS13878 Diveo do Brasil Telecomunicacoes Ltda 200.58.248.0/21 AS27849 200.75.184.0/24 AS14754 Telgua 200.75.185.0/24 AS14754 Telgua 200.75.186.0/24 AS14754 Telgua 200.75.187.0/24 AS14754 Telgua 200.75.188.0/24 AS14754 Telgua 200.75.189.0/24 AS14754 Telgua 200.75.190.0/24 AS14754 Telgua 200.75.191.0/24 AS14754 Telgua 202.1.224.0/24 AS10097 FLOWCOM Flow Communications 2/541 Kent St Sydney NSW 2000 202.8.106.0/24 AS9530 SHINSEGAE-AS SHINSEGAE I&C Co., Ltd. 202.58.113.0/24 AS19161 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 202.151.40.0/21 AS24453 202.151.40.0/24 AS24453 202.151.41.0/24 AS24453 202.151.42.0/24 AS24453 202.151.43.0/24 AS24453 202.151.44.0/24 AS24453 202.151.45.0/24 AS24453 202.151.46.0/24 AS24453 202.151.47.0/24 AS24453 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 202.180.224.0/19 AS1221 ASN-TELSTRA Telstra Pty Ltd 202.180.236.0/24 AS38472 UCMS-AS-AP UCMS 202.180.253.0/24 AS38472 UCMS-AS-AP UCMS 202.180.255.0/24 AS38472 UCMS-AS-AP UCMS 203.0.113.0/24 AS14745 INTERNAP-BLOCK-4 - Internap Network Services Corporation 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 203.32.188.0/24 AS1221 ASN-TELSTRA Telstra Pty Ltd 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 204.14.0.0/21 AS30693 EONIX-CORPORATION-AS-PHX01-WWW-INFINITIE-NET - Eonix Corporation 204.14.0.0/24 AS30693 EONIX-CORPORATION-AS-PHX01-WWW-INFINITIE-NET - Eonix Corporation 204.14.2.0/24 AS30693 EONIX-CORPORATION-AS-PHX01-WWW-INFINITIE-NET - Eonix Corporation 204.14.3.0/24 AS30693 EONIX-CORPORATION-AS-PHX01-WWW-INFINITIE-NET - Eonix Corporation 205.175.214.0/24 AS5583 ORANGE-BUSINESS-SERVICES-BENELUX France Telecom S.A. 206.197.184.0/24 AS23304 DATOTEL-STL-AS - Datotel LLC, a NetLabs LLC Company 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. 208.83.53.0/24 AS40569 YGOMI-AS - Ygomi LLC 208.93.144.0/21 AS30693 EONIX-CORPORATION-AS-PHX01-WWW-INFINITIE-NET - Eonix Corporation 208.93.151.0/24 AS30693 EONIX-CORPORATION-AS-PHX01-WWW-INFINITIE-NET - Eonix Corporation 209.148.64.0/19 AS13773 TELNETCOMM - Telnet Communications 209.177.64.0/20 AS6461 MFNX MFN - Metromedia Fiber Network 209.205.192.0/19 AS20228 209.205.224.0/20 AS20228 209.213.0.0/20 AS33005 ELTOPIA - Eltopia.com, LLC 213.150.204.0/24 AS29338 AFOL-AS Used by Africaonline Operations 216.12.160.0/20 AS26627 AS-PILOSOFT - Pilosoft, Inc. 216.21.160.0/20 AS27876 American Data Networks 216.146.0.0/19 AS11915 TELWEST-NETWORK-SVCS-STATIC - TEL WEST COMMUNICATIONS LLC 216.194.160.0/20 AS27876 American Data Networks Please see http://www.cidr-report.org for the full report ------------------------------------ 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

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Weekly Routing Table Report
by Routing Analysis Role Account 07 Sep '12

07 Sep '12

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 08 Sep, 2012 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 425836 Prefixes after maximum aggregation: 178207 Deaggregation factor: 2.39 Unique aggregates announced to Internet: 207327 Total ASes present in the Internet Routing Table: 42041 Prefixes per ASN: 10.13 Origin-only ASes present in the Internet Routing Table: 33589 Origin ASes announcing only one prefix: 15753 Transit ASes present in the Internet Routing Table: 5599 Transit-only ASes present in the Internet Routing Table: 135 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 32 Max AS path prepend of ASN ( 48687) 24 Prefixes from unregistered ASNs in the Routing Table: 715 Unregistered ASNs in the Routing Table: 248 Number of 32-bit ASNs allocated by the RIRs: 3235 Number of 32-bit ASNs visible in the Routing Table: 2853 Prefixes from 32-bit ASNs in the Routing Table: 7496 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 184 Number of addresses announced to Internet: 2593144332 Equivalent to 154 /8s, 144 /16s and 62 /24s Percentage of available address space announced: 70.0 Percentage of allocated address space announced: 70.0 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 93.5 Total number of prefixes smaller than registry allocations: 150194 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 102226 Total APNIC prefixes after maximum aggregation: 32992 APNIC Deaggregation factor: 3.10 Prefixes being announced from the APNIC address blocks: 102840 Unique aggregates announced from the APNIC address blocks: 42607 APNIC Region origin ASes present in the Internet Routing Table: 4755 APNIC Prefixes per ASN: 21.63 APNIC Region origin ASes announcing only one prefix: 1245 APNIC Region transit ASes present in the Internet Routing Table: 763 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 297 Number of APNIC addresses announced to Internet: 707762048 Equivalent to 42 /8s, 47 /16s and 151 /24s Percentage of available APNIC address space announced: 82.7 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: 154235 Total ARIN prefixes after maximum aggregation: 77982 ARIN Deaggregation factor: 1.98 Prefixes being announced from the ARIN address blocks: 155222 Unique aggregates announced from the ARIN address blocks: 69088 ARIN Region origin ASes present in the Internet Routing Table: 15222 ARIN Prefixes per ASN: 10.20 ARIN Region origin ASes announcing only one prefix: 5736 ARIN Region transit ASes present in the Internet Routing Table: 1595 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 17 Number of ARIN addresses announced to Internet: 1083362176 Equivalent to 64 /8s, 146 /16s and 203 /24s Percentage of available ARIN address space announced: 57.3 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: 108148 Total RIPE prefixes after maximum aggregation: 56530 RIPE Deaggregation factor: 1.91 Prefixes being announced from the RIPE address blocks: 110545 Unique aggregates announced from the RIPE address blocks: 69820 RIPE Region origin ASes present in the Internet Routing Table: 16841 RIPE Prefixes per ASN: 6.56 RIPE Region origin ASes announcing only one prefix: 8164 RIPE Region transit ASes present in the Internet Routing Table: 2710 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1860 Number of RIPE addresses announced to Internet: 644425956 Equivalent to 38 /8s, 105 /16s and 40 /24s Percentage of available RIPE address space announced: 93.7 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, 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: 43718 Total LACNIC prefixes after maximum aggregation: 8443 LACNIC Deaggregation factor: 5.18 Prefixes being announced from the LACNIC address blocks: 46692 Unique aggregates announced from the LACNIC address blocks: 22215 LACNIC Region origin ASes present in the Internet Routing Table: 1642 LACNIC Prefixes per ASN: 28.44 LACNIC Region origin ASes announcing only one prefix: 435 LACNIC Region transit ASes present in the Internet Routing Table: 320 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 673 Number of LACNIC addresses announced to Internet: 115436584 Equivalent to 6 /8s, 225 /16s and 108 /24s Percentage of available LACNIC address space announced: 68.8 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 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: 9877 Total AfriNIC prefixes after maximum aggregation: 2203 AfriNIC Deaggregation factor: 4.48 Prefixes being announced from the AfriNIC address blocks: 10353 Unique aggregates announced from the AfriNIC address blocks: 3445 AfriNIC Region origin ASes present in the Internet Routing Table: 560 AfriNIC Prefixes per ASN: 18.49 AfriNIC Region origin ASes announcing only one prefix: 173 AfriNIC Region transit ASes present in the Internet Routing Table: 125 Average AfriNIC Region AS path length visible: 4.7 Max AfriNIC Region AS path length visible: 25 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6 Number of AfriNIC addresses announced to Internet: 41688576 Equivalent to 2 /8s, 124 /16s and 30 /24s Percentage of available AfriNIC address space announced: 41.4 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 11125 1418 Korea Telecom (KIX) 17974 2342 702 54 PT TELEKOMUNIKASI INDONESIA 7545 1752 301 86 TPG Internet Pty Ltd 4755 1618 387 162 TATA Communications formerly 9829 1322 1101 31 BSNL National Internet Backbo 9583 1179 87 508 Sify Limited 4808 1121 2049 319 CNCGROUP IP network: China169 7552 1107 1062 11 Vietel Corporation 24560 1040 386 160 Bharti Airtel Ltd., Telemedia 9498 1002 310 73 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 7029 3456 990 154 Windstream Communications Inc 6389 3334 3736 184 bellsouth.net, inc. 18566 2085 382 180 Covad Communications 1785 1912 678 127 PaeTec Communications, Inc. 22773 1888 2931 129 Cox Communications, Inc. 20115 1658 1578 614 Charter Communications 4323 1580 1026 385 Time Warner Telecom 30036 1417 279 746 Mediacom Communications Corp 7018 1260 10316 831 AT&T WorldNet Services 11492 1197 217 343 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 1661 544 16 Corbina telecom 2118 1401 97 14 EUnet/RELCOM Autonomous Syste 15557 1221 2247 55 LDCOM NETWORKS 12479 830 765 82 Uni2 Autonomous System 34984 756 205 179 BILISIM TELEKOM 6830 723 2313 447 UPC Distribution Services 31148 713 37 9 FreeNet ISP 20940 711 227 549 Akamai Technologies European 13188 702 100 9 Educational Network 58113 616 69 362 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 2141 1248 54 NET Servicos de Comunicao S.A 10620 2132 362 221 TVCABLE BOGOTA 8151 1570 3032 343 UniNet S.A. de C.V. 7303 1564 1034 199 Telecom Argentina Stet-France 6503 1535 451 69 AVANTEL, S.A. 6458 792 81 15 GUATEL 27947 721 74 94 Telconet S.A 3816 638 262 95 Empresa Nacional de Telecomun 11172 593 85 69 Servicios Alestra S.A de C.V 14420 580 83 105 CORPORACION NACIONAL DE TELEC 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 24863 878 275 36 LINKdotNET AS number 8452 834 958 13 TEDATA 36998 776 48 3 MOBITEL 6713 517 650 19 Itissalat Al-MAGHRIB 24835 269 80 8 RAYA Telecom - Egypt 3741 262 904 223 The Internet Solution 33776 231 13 11 Starcomms Nigeria Limited 12258 194 28 66 Vodacom Internet Company 15706 193 32 6 Sudatel Internet Exchange Aut 29975 191 667 21 Vodacom 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 7029 3456 990 154 Windstream Communications Inc 6389 3334 3736 184 bellsouth.net, inc. 4766 2950 11125 1418 Korea Telecom (KIX) 17974 2342 702 54 PT TELEKOMUNIKASI INDONESIA 28573 2141 1248 54 NET Servicos de Comunicao S.A 10620 2132 362 221 TVCABLE BOGOTA 18566 2085 382 180 Covad Communications 1785 1912 678 127 PaeTec Communications, Inc. 22773 1888 2931 129 Cox Communications, Inc. 7545 1752 301 86 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 6389 3334 3150 bellsouth.net, inc. 17974 2342 2288 PT TELEKOMUNIKASI INDONESIA 28573 2141 2087 NET Servicos de Comunicao S.A 10620 2132 1911 TVCABLE BOGOTA 18566 2085 1905 Covad Communications 1785 1912 1785 PaeTec Communications, Inc. 22773 1888 1759 Cox Communications, Inc. 7545 1752 1666 TPG Internet Pty Ltd 8402 1661 1645 Corbina telecom 4766 2950 1532 Korea Telecom (KIX) Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 59414 UNALLOCATED 5.102.144.0/21 15576 Nextra backbone in D 59395 UNALLOCATED 5.133.16.0/21 12658 Dexterity Networks L 59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH 59521 UNALLOCATED 5.134.192.0/21 29518 Labs2 59441 UNALLOCATED 5.144.128.0/21 50810 Mobin Net Communicat 59581 UNALLOCATED 5.149.8.0/21 25577 C4L main AS 59457 UNALLOCATED 5.149.64.0/24 35567 DASTO semtel d.o.o. 59457 UNALLOCATED 5.149.65.0/24 35567 DASTO semtel d.o.o. 59457 UNALLOCATED 5.149.66.0/24 35567 DASTO semtel d.o.o. 59457 UNALLOCATED 5.149.67.0/24 35567 DASTO semtel d.o.o. Complete listing at http://thyme.rand.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 5.206.240.0/20 57332 TOM-NET s.c. Dariusz Koper, R 5.226.64.0/18 12741 INTERNETIA Commercial Autonom 5.226.136.0/21 25369 4u servers 5.228.0.0/16 42610 RIPE Network Coordination Cen 14.192.0.0/22 45464 Room 201, TGU Bldg 14.192.4.0/22 45464 Room 201, TGU Bldg 14.192.8.0/22 45464 Room 201, TGU Bldg 14.192.12.0/22 45464 Room 201, TGU Bldg 14.192.16.0/22 45464 Room 201, TGU Bldg 14.192.20.0/22 45464 Room 201, TGU Bldg 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 /8:18 /9:14 /10:29 /11:84 /12:237 /13:475 /14:841 /15:1541 /16:12381 /17:6415 /18:10842 /19:21044 /20:30202 /21:32106 /22:42325 /23:39848 /24:223276 /25:1364 /26:1592 /27:921 /28:175 /29:64 /30:18 /31:0 /32:24 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 7029 2812 3456 Windstream Communications Inc 18566 2035 2085 Covad Communications 6389 1849 3334 bellsouth.net, inc. 8402 1384 1661 Corbina telecom 30036 1350 1417 Mediacom Communications Corp 22773 1231 1888 Cox Communications, Inc. 15557 1165 1221 LDCOM NETWORKS 11492 1160 1197 Cable One 6503 1053 1535 AVANTEL, S.A. 1785 1013 1912 PaeTec Communications, Inc. Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:581 2:783 3:1 4:13 5:428 6:3 8:455 12:2001 13:1 14:663 15:11 16:3 17:6 20:27 23:203 24:1824 27:1317 31:1015 32:56 33:2 34:2 36:7 37:759 38:828 39:2 40:132 41:3133 42:158 44:3 46:1527 47:2 49:468 50:592 52:13 54:17 55:6 56:1 57:31 58:989 59:528 60:240 61:1295 62:1002 63:2003 64:4262 65:2241 66:4494 67:2051 68:1169 69:3194 70:985 71:522 72:1870 74:2583 75:495 76:323 77:951 78:941 79:488 80:1265 81:956 82:634 83:531 84:626 85:1157 86:806 87:924 88:350 89:1789 90:303 91:5183 92:578 93:1494 94:1635 95:1271 96:416 97:318 98:893 99:39 100:23 101:260 103:1493 105:512 106:118 107:198 108:444 109:1921 110:794 111:957 112:446 113:682 114:655 115:856 116:825 117:733 118:946 119:1261 120:299 121:691 122:1646 123:1170 124:1352 125:1270 128:549 129:186 130:282 131:631 132:302 133:22 134:251 135:61 136:217 137:238 138:342 139:187 140:502 141:280 142:486 143:366 144:487 145:80 146:514 147:268 148:758 149:323 150:157 151:177 152:451 153:182 154:20 155:420 156:222 157:379 158:184 159:642 160:343 161:414 162:408 163:190 164:693 165:416 166:560 167:544 168:959 169:125 170:905 171:149 172:6 173:1721 174:628 175:445 176:575 177:1102 178:1659 180:1344 181:134 182:1043 183:230 184:597 186:2195 187:1244 188:1529 189:1586 190:6094 192:6024 193:5720 194:4560 195:3447 196:1215 197:220 198:3776 199:4975 200:5994 201:1969 202:8712 203:8698 204:4419 205:2542 206:2752 207:2875 208:4057 209:3668 210:2833 211:1536 212:2025 213:1809 214:893 215:88 216:5140 217:1553 218:548 219:316 220:1239 221:532 222:339 223:378 End of report

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Routing WG Agenda for RIPE 65.
by Rob Evans 03 Sep '12

03 Sep '12

Hi all, Here is the agenda as it stands for our meeting in Amsterdam. As you'll note, there is still some time up for grabs if there is a hot topic to discuss. All the best, Rob A. Welcome. 0:05 Thank scribe, jabber monitor and stenographer. Minutes of working group meeting at RIPE65. Reminder to comment on flap damping document. B. BGP Security Best Practices 0:10 Ivan Pepelnjak http://tools.ietf.org/html/draft-jdurand-bgp-security-01 C. IPv6 Real-Time Blackholing (with config examples) Nick Hilliard Y. Interaction with other working groups Z. AOB

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BGP Update Report
by cidr-report＠potaroo.net 01 Sep '12

01 Sep '12

BGP Update Report Interval: 23-Aug-12 -to- 30-Aug-12 (7 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS8402 50659 2.2% 26.8 -- CORBINA-AS OJSC "Vimpelcom" 2 - AS9829 39453 1.7% 30.2 -- BSNL-NIB National Internet Backbone 3 - AS10198 33365 1.4% 6673.0 -- CUP-AS-KR Catholic University of Pusan 4 - AS6517 31766 1.4% 61.2 -- RELIANCEGLOBALCOM - Reliance Globalcom Services, Inc 5 - AS24560 30170 1.3% 29.0 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 6 - AS30137 27638 1.2% 453.1 -- SEA-BROADBAND - Sea Broadband, LLC 7 - AS22561 26874 1.1% 25.8 -- DIGITAL-TELEPORT - Digital Teleport Inc. 8 - AS1637 18388 0.8% 206.6 -- DNIC-AS-01637 - Headquarters, USAISC 9 - AS13118 18051 0.8% 376.1 -- ASN-YARTELECOM OJSC Rostelecom 10 - AS27947 16857 0.7% 23.3 -- Telconet S.A 11 - AS2697 16556 0.7% 78.1 -- ERX-ERNET-AS Education and Research Network 12 - AS10620 16227 0.7% 7.6 -- Telmex Colombia S.A. 13 - AS6458 14218 0.6% 15.9 -- Telgua 14 - AS11492 13834 0.6% 11.6 -- CABLEONE - CABLE ONE, INC. 15 - AS6389 13685 0.6% 4.1 -- BELLSOUTH-NET-BLK - BellSouth.net Inc. 16 - AS8151 13594 0.6% 8.7 -- Uninet S.A. de C.V. 17 - AS7029 13198 0.6% 3.7 -- WINDSTREAM - Windstream Communications Inc 18 - AS19361 13158 0.6% 387.0 -- Atrium Telecomunicacoes Ltda 19 - AS7738 12237 0.5% 22.1 -- Telecomunicacoes da Bahia S.A. 20 - AS27738 12103 0.5% 21.7 -- Ecuadortelecom S.A. TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS10198 33365 1.4% 6673.0 -- CUP-AS-KR Catholic University of Pusan 2 - AS38920 8126 0.3% 4063.0 -- TURKLANDBANK-TR TURKLANDBANK 3 - AS14680 6787 0.3% 2262.3 -- REALE-6 - Auction.com 4 - AS52378 1716 0.1% 1716.0 -- UNIVERSIDAD NACIONAL DE VILLA MARIA 5 - AS44410 4818 0.2% 1606.0 -- ENTEKHAB-AS ENTEKHAB INDUSTRIAL GROUP 6 - AS16535 4394 0.2% 1464.7 -- ECHOS-3 - Echostar Holding Purchasing Corporation 7 - AS19859 2465 0.1% 1232.5 -- FLAIR-DATA-SYSTEMS - Flair Data Systems 8 - AS4623 7507 0.3% 938.4 -- CHEVALIER-AS01 Chevalier (Internet) Limited autonomous system #1 9 - AS27771 1857 0.1% 928.5 -- Instituto Venezolano de Investigaciones Cientificas 10 - AS29126 850 0.0% 850.0 -- DATIQ-AS Datiq B.V. 11 - AS52297 802 0.0% 802.0 -- HAICOM (Haiti Communications, S.A.) 12 - AS43298 749 0.0% 749.0 -- SEQUENCE-AS Sequence Collective Ltd 13 - AS10445 3524 0.1% 704.8 -- HTG - Huntleigh Telcom 14 - AS32529 618 0.0% 618.0 -- CGI-FEDERAL-ASN-1 - CGI Federal 15 - AS38857 1120 0.1% 560.0 -- ESOFT-TRANSIT-AS-AP e.Soft Technologies Ltd. 16 - AS55856 1041 0.0% 520.5 -- UNIMAS-MY Universiti Malaysia Sarawak 17 - AS29398 490 0.0% 490.0 -- PETROBALTIC "Petrobaltic" S.A. 18 - AS52851 967 0.0% 483.5 -- 19 - AS21023 468 0.0% 468.0 -- UPB-AS Joint Stock Company Ural Industrial Bank 20 - AS30137 27638 1.2% 453.1 -- SEA-BROADBAND - Sea Broadband, LLC TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 109.161.64.0/19 17909 0.7% AS13118 -- ASN-YARTELECOM OJSC Rostelecom 2 - 184.159.130.0/23 13650 0.6% AS22561 -- DIGITAL-TELEPORT - Digital Teleport Inc. 3 - 184.157.224.0/19 10578 0.4% AS22561 -- DIGITAL-TELEPORT - Digital Teleport Inc. 4 - 200.46.0.0/19 10214 0.4% AS21599 -- NETDIRECT S.A. 5 - 122.161.0.0/16 9424 0.4% AS24560 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 6 - 194.156.165.0/24 8059 0.3% AS38920 -- TURKLANDBANK-TR TURKLANDBANK 7 - 66.6.104.0/24 7578 0.3% AS10970 -- LIGHTEDGE - LightEdge Solutions 8 - 110.9.62.0/23 6998 0.3% AS10198 -- CUP-AS-KR Catholic University of Pusan 9 - 110.9.61.0/24 6998 0.3% AS10198 -- CUP-AS-KR Catholic University of Pusan 10 - 110.9.64.0/23 6997 0.3% AS10198 -- CUP-AS-KR Catholic University of Pusan 11 - 202.41.70.0/24 6289 0.3% AS2697 -- ERX-ERNET-AS Education and Research Network 12 - 202.56.215.0/24 6252 0.2% AS24560 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 13 - 210.93.62.0/23 6187 0.2% AS10198 -- CUP-AS-KR Catholic University of Pusan 14 - 203.232.208.0/21 6185 0.2% AS10198 -- CUP-AS-KR Catholic University of Pusan 15 - 123.252.208.0/24 5642 0.2% AS17762 -- HTIL-TTML-IN-AP Tata Teleservices Maharashtra Ltd 16 - 210.10.118.0/23 5548 0.2% AS7600 -- ESCAPE-NET-AS Escape.net 17 - 12.139.133.0/24 5491 0.2% AS14680 -- REALE-6 - Auction.com 18 - 194.63.9.0/24 5112 0.2% AS1273 -- CW Cable and Wireless Worldwide plc 19 - 67.47.194.0/23 4386 0.2% AS16535 -- ECHOS-3 - Echostar Holding Purchasing Corporation 20 - 182.64.0.0/16 4264 0.2% AS24560 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 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

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