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[routing-wg][SANOG] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Nov 14 19:14:43 CET 2008
This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. Daily listings are sent to bgp-stats at lists.apnic.net For historical data, please see http://thyme.apnic.net. If you have any comments please contact Philip Smith <pfs at cisco.com>. Routing Table Report 04:00 +10GMT Sat 15 Nov, 2008 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 273747 Prefixes after maximum aggregation: 131698 Deaggregation factor: 2.08 Unique aggregates announced to Internet: 132906 Total ASes present in the Internet Routing Table: 29790 Prefixes per ASN: 9.19 Origin-only ASes present in the Internet Routing Table: 25923 Origin ASes announcing only one prefix: 12618 Transit ASes present in the Internet Routing Table: 3867 Transit-only ASes present in the Internet Routing Table: 84 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 25 Max AS path prepend of ASN ( 3816) 15 Prefixes from unregistered ASNs in the Routing Table: 548 Unregistered ASNs in the Routing Table: 201 Number of 32-bit ASNs allocated by the RIRs: 63 Prefixes from 32-bit ASNs in the Routing Table: 8 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 210 Number of addresses announced to Internet: 1954643712 Equivalent to 116 /8s, 129 /16s and 127 /24s Percentage of available address space announced: 52.7 Percentage of allocated address space announced: 63.0 Percentage of available address space allocated: 83.7 Percentage of address space in use by end-sites: 74.3 Total number of prefixes smaller than registry allocations: 134661 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 62656 Total APNIC prefixes after maximum aggregation: 23339 APNIC Deaggregation factor: 2.68 Prefixes being announced from the APNIC address blocks: 59566 Unique aggregates announced from the APNIC address blocks: 26910 APNIC Region origin ASes present in the Internet Routing Table: 3459 APNIC Prefixes per ASN: 17.22 APNIC Region origin ASes announcing only one prefix: 932 APNIC Region transit ASes present in the Internet Routing Table: 534 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 381242016 Equivalent to 22 /8s, 185 /16s and 74 /24s Percentage of available APNIC address space announced: 75.7 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079 APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 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, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 123986 Total ARIN prefixes after maximum aggregation: 64911 ARIN Deaggregation factor: 1.91 Prefixes being announced from the ARIN address blocks: 93363 Unique aggregates announced from the ARIN address blocks: 34747 ARIN Region origin ASes present in the Internet Routing Table: 12583 ARIN Prefixes per ASN: 7.42 ARIN Region origin ASes announcing only one prefix: 4862 ARIN Region transit ASes present in the Internet Routing Table: 1197 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 400498592 Equivalent to 23 /8s, 223 /16s and 31 /24s Percentage of available ARIN address space announced: 82.3 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 ARIN Address Blocks 24/8, 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, 173/8, 174/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 60086 Total RIPE prefixes after maximum aggregation: 36115 RIPE Deaggregation factor: 1.66 Prefixes being announced from the RIPE address blocks: 55709 Unique aggregates announced from the RIPE address blocks: 37297 RIPE Region origin ASes present in the Internet Routing Table: 12184 RIPE Prefixes per ASN: 4.57 RIPE Region origin ASes announcing only one prefix: 6406 RIPE Region transit ASes present in the Internet Routing Table: 1862 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 378515552 Equivalent to 22 /8s, 143 /16s and 176 /24s Percentage of available RIPE address space announced: 86.8 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, 47104-49151 RIPE Address Blocks 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, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 22297 Total LACNIC prefixes after maximum aggregation: 5569 LACNIC Deaggregation factor: 4.00 Prefixes being announced from the LACNIC address blocks: 20335 Unique aggregates announced from the LACNIC address blocks: 11386 LACNIC Region origin ASes present in the Internet Routing Table: 1030 LACNIC Prefixes per ASN: 19.74 LACNIC Region origin ASes announcing only one prefix: 339 LACNIC Region transit ASes present in the Internet Routing Table: 170 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 58064256 Equivalent to 3 /8s, 117 /16s and 253 /24s Percentage of available LACNIC address space announced: 57.7 LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 4195 Total AfriNIC prefixes after maximum aggregation: 1334 AfriNIC Deaggregation factor: 3.14 Prefixes being announced from the AfriNIC address blocks: 4466 Unique aggregates announced from the AfriNIC address blocks: 2142 AfriNIC Region origin ASes present in the Internet Routing Table: 264 AfriNIC Prefixes per ASN: 16.92 AfriNIC Region origin ASes announcing only one prefix: 79 AfriNIC Region transit ASes present in the Internet Routing Table: 52 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 25 Number of AfriNIC addresses announced to Internet: 12920064 Equivalent to 0 /8s, 197 /16s and 37 /24s Percentage of available AfriNIC address space announced: 25.7 AfriNIC AS Blocks 36864-37887 & ERX transfers AfriNIC Address Blocks 41/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 17488 1409 99 106 Hathway IP Over Cable Interne 4755 1193 485 155 TATA Communications formerly 9583 1125 87 479 Sify Limited 4766 899 6409 363 Korea Telecom (KIX) 4134 898 13872 366 CHINANET-BACKBONE 23577 817 35 702 Korea Telecom (ATM-MPLS) 18101 786 167 31 Reliance Infocom Ltd Internet 4780 731 357 63 Digital United Inc. 9498 689 295 50 BHARTI BT INTERNET LTD. 4808 632 1172 143 CNCGROUP IP network: China169 Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 4370 3434 344 bellsouth.net, inc. 209 3019 4032 625 Qwest 6298 2094 327 691 Cox Communicatons 1785 1696 717 155 PaeTec Communications, Inc. 6478 1664 365 196 AT&T Worldnet Services 20115 1662 1452 726 Charter Communications 2386 1591 701 901 AT&T Data Communications Serv 4323 1589 1084 377 Time Warner Telecom 7018 1406 5869 974 AT&T WorldNet Services 11492 1214 166 16 Cable One Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 3292 429 1766 380 TDC Tele Danmark 12479 366 578 6 Uni2 Autonomous System 30890 366 95 189 SC Kappa Invexim SRL 3301 333 1429 303 TeliaNet Sweden 8866 331 111 23 Bulgarian Telecommunication C 3320 322 7062 271 Deutsche Telekom AG 3215 316 2788 99 France Telecom Transpac 5462 300 794 27 Telewest Broadband 8452 293 188 11 TEDATA 25233 289 44 24 Awalnet Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1400 2832 224 UniNet S.A. de C.V. 11830 670 299 9 Instituto Costarricense de El 10620 557 126 54 TVCABLE BOGOTA 22047 522 270 14 VTR PUNTO NET S.A. 7303 497 244 70 Telecom Argentina Stet-France 16814 426 27 10 NSS, S.A. 6471 422 87 50 ENTEL CHILE S.A. 11172 406 118 72 Servicios Alestra S.A de C.V 28573 343 468 23 NET Servicos de Comunicao S.A 14117 331 23 9 Telefonica del Sur S.A. Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 560 72 45 LINKdotNET AS number 3741 271 857 227 The Internet Solution 20858 260 34 3 EgyNet 2018 238 215 140 Tertiary Education Network 29571 147 13 8 Ci Telecom Autonomous system 6713 144 135 11 Itissalat Al-MAGHRIB 33783 141 10 15 EEPAD TISP TELECOM & INTERNET 5536 119 7 22 Internet Egypt Network 33776 116 6 3 Starcomms Nigeria Limited 5713 114 555 63 Telkom SA Ltd Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 4370 3434 344 bellsouth.net, inc. 209 3019 4032 625 Qwest 6298 2094 327 691 Cox Communicatons 1785 1696 717 155 PaeTec Communications, Inc. 6478 1664 365 196 AT&T Worldnet Services 20115 1662 1452 726 Charter Communications 2386 1591 701 901 AT&T Data Communications Serv 4323 1589 1084 377 Time Warner Telecom 17488 1409 99 106 Hathway IP Over Cable Interne 7018 1406 5869 974 AT&T WorldNet Services Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 209 3019 2394 Qwest 1785 1696 1541 PaeTec Communications, Inc. 6478 1664 1468 AT&T Worldnet Services 6298 2094 1403 Cox Communicatons 17488 1409 1303 Hathway IP Over Cable Interne 4323 1589 1212 Time Warner Telecom 11492 1214 1198 Cable One 8151 1400 1176 UniNet S.A. de C.V. 18566 1059 1049 Covad Communications 4755 1193 1038 TATA Communications formerly Complete listing at http://thyme.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic 13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic 32326 UNALLOCATED 12.40.49.0/24 3549 Global Crossing 25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic Complete listing at http://thyme.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 24.52.128.0/19 22561 Digital Teleport, Inc 24.75.116.0/22 10796 ServiceCo LLC - Road Runner 24.75.160.0/19 7843 Adelphia Corp. 24.142.40.0/21 7018 AT&T WorldNet Services 24.142.160.0/19 7018 AT&T WorldNet Services 24.246.0.0/17 7018 AT&T WorldNet Services 24.246.128.0/18 7018 AT&T WorldNet Services 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 62.61.221.0/24 24974 Tachyon Europe BV - Wireless 63.140.213.0/24 22555 Universal Talkware Corporatio Complete listing at http://thyme.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 /8:19 /9:9 /10:19 /11:53 /12:159 /13:308 /14:547 /15:1077 /16:10156 /17:4457 /18:7687 /19:16553 /20:19396 /21:19150 /22:24122 /23:24829 /24:142451 /25:841 /26:1006 /27:798 /28:93 /29:9 /30:1 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2858 4370 bellsouth.net, inc. 6298 2068 2094 Cox Communicatons 209 1739 3019 Qwest 2386 1270 1591 AT&T Data Communications Serv 17488 1199 1409 Hathway IP Over Cable Interne 11492 1190 1214 Cable One 1785 1158 1696 PaeTec Communications, Inc. 6478 1106 1664 AT&T Worldnet Services 18566 1040 1059 Covad Communications 9583 992 1125 Sify Limited Complete listing at http://thyme.apnic.net/current/data/sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1 4:12 8:153 12:2181 13:2 15:21 16:3 17:5 20:35 24:1088 30:1 32:61 38:512 40:92 41:781 43:1 44:2 47:12 52:3 55:3 56:3 57:27 58:515 59:550 60:452 61:1032 62:1121 63:2012 64:3280 65:2433 66:3480 67:1326 68:818 69:2351 70:888 71:138 72:2067 73:2 74:1294 75:167 76:290 77:880 78:520 79:292 80:928 81:844 82:594 83:397 84:586 85:1040 86:505 87:705 88:347 89:1357 90:27 91:1670 92:300 93:980 94:395 95:38 96:88 97:132 98:387 99:15 113:40 114:127 115:150 116:1010 117:406 118:252 119:529 120:103 121:610 122:868 123:445 124:870 125:1229 128:353 129:217 130:137 131:408 132:72 133:9 134:186 135:31 136:223 137:106 138:144 139:85 140:413 141:111 142:392 143:321 144:302 145:51 146:372 147:140 148:601 149:210 150:130 151:210 152:148 153:137 154:10 155:275 156:174 157:301 158:168 159:301 160:272 161:140 162:249 163:135 164:517 165:508 166:363 167:341 168:631 169:154 170:452 171:40 172:10 173:138 174:17 187:18 188:1 189:318 190:2390 192:5825 193:4140 194:3288 195:2626 196:1021 198:3711 199:3309 200:5509 201:1471 202:7679 203:8044 204:3930 205:2180 206:2297 207:2773 208:3727 209:3445 210:2608 211:1093 212:1547 213:1633 214:68 215:25 216:4382 217:1249 218:351 219:426 220:1059 221:419 222:303 End of report -- This is the SANOG (http://www.sanog.org/) mailing list.
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