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[routing-wg]Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Nov 7 19:11:43 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 08 Nov, 2008 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 272998 Prefixes after maximum aggregation: 131801 Deaggregation factor: 2.07 Unique aggregates announced to Internet: 133598 Total ASes present in the Internet Routing Table: 29730 Prefixes per ASN: 9.18 Origin-only ASes present in the Internet Routing Table: 25883 Origin ASes announcing only one prefix: 12609 Transit ASes present in the Internet Routing Table: 3847 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: 18 Max AS path prepend of ASN ( 3816) 15 Prefixes from unregistered ASNs in the Routing Table: 574 Unregistered ASNs in the Routing Table: 202 Number of 32-bit ASNs allocated by the RIRs: 62 Prefixes from 32-bit ASNs in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 202 Number of addresses announced to Internet: 1920631360 Equivalent to 114 /8s, 122 /16s and 130 /24s Percentage of available address space announced: 51.8 Percentage of allocated address space announced: 62.6 Percentage of available address space allocated: 82.8 Percentage of address space in use by end-sites: 74.2 Total number of prefixes smaller than registry allocations: 134144 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 62514 Total APNIC prefixes after maximum aggregation: 23424 APNIC Deaggregation factor: 2.67 Prefixes being announced from the APNIC address blocks: 59420 Unique aggregates announced from the APNIC address blocks: 26950 APNIC Region origin ASes present in the Internet Routing Table: 3452 APNIC Prefixes per ASN: 17.21 APNIC Region origin ASes announcing only one prefix: 932 APNIC Region transit ASes present in the Internet Routing Table: 535 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 380616864 Equivalent to 22 /8s, 175 /16s and 192 /24s Percentage of available APNIC address space announced: 81.0 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, 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: 123687 Total ARIN prefixes after maximum aggregation: 64998 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 93211 Unique aggregates announced from the ARIN address blocks: 35626 ARIN Region origin ASes present in the Internet Routing Table: 12572 ARIN Prefixes per ASN: 7.41 ARIN Region origin ASes announcing only one prefix: 4862 ARIN Region transit ASes present in the Internet Routing Table: 1198 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 368498336 Equivalent to 21 /8s, 246 /16s and 214 /24s Percentage of available ARIN address space announced: 75.7 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: 59832 Total RIPE prefixes after maximum aggregation: 36005 RIPE Deaggregation factor: 1.66 Prefixes being announced from the RIPE address blocks: 55490 Unique aggregates announced from the RIPE address blocks: 37170 RIPE Region origin ASes present in the Internet Routing Table: 12142 RIPE Prefixes per ASN: 4.57 RIPE Region origin ASes announcing only one prefix: 6395 RIPE Region transit ASes present in the Internet Routing Table: 1842 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 377756960 Equivalent to 22 /8s, 132 /16s and 29 /24s Percentage of available RIPE address space announced: 86.6 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: 22261 Total LACNIC prefixes after maximum aggregation: 5619 LACNIC Deaggregation factor: 3.96 Prefixes being announced from the LACNIC address blocks: 20244 Unique aggregates announced from the LACNIC address blocks: 11339 LACNIC Region origin ASes present in the Internet Routing Table: 1028 LACNIC Prefixes per ASN: 19.69 LACNIC Region origin ASes announcing only one prefix: 338 LACNIC Region transit ASes present in the Internet Routing Table: 169 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 57736192 Equivalent to 3 /8s, 112 /16s and 252 /24s Percentage of available LACNIC address space announced: 57.4 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: 4151 Total AfriNIC prefixes after maximum aggregation: 1323 AfriNIC Deaggregation factor: 3.14 Prefixes being announced from the AfriNIC address blocks: 4434 Unique aggregates announced from the AfriNIC address blocks: 2165 AfriNIC Region origin ASes present in the Internet Routing Table: 266 AfriNIC Prefixes per ASN: 16.67 AfriNIC Region origin ASes announcing only one prefix: 82 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: 16 Number of AfriNIC addresses announced to Internet: 12919552 Equivalent to 0 /8s, 197 /16s and 35 /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 99 102 Hathway IP Over Cable Interne 4755 1310 516 177 TATA Communications formerly 9583 1110 87 476 Sify Limited 4766 886 6409 364 Korea Telecom (KIX) 4134 878 13772 361 CHINANET-BACKBONE 23577 815 35 700 Korea Telecom (ATM-MPLS) 18101 783 161 67 Reliance Infocom Ltd Internet 4780 727 357 63 Digital United Inc. 9498 694 295 54 BHARTI BT INTERNET LTD. 4808 630 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 4356 3417 340 bellsouth.net, inc. 209 3042 4035 623 Qwest 6298 2079 326 690 Cox Communicatons 1785 1693 717 154 PaeTec Communications, Inc. 20115 1660 1452 725 Charter Communications 6478 1650 363 193 AT&T Worldnet Services 2386 1587 700 898 AT&T Data Communications Serv 4323 1575 1084 377 Time Warner Telecom 7018 1402 5869 970 AT&T WorldNet Services 11492 1210 149 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 381 TDC Tele Danmark 30890 348 94 188 SC Kappa Invexim SRL 3301 332 1429 303 TeliaNet Sweden 3215 331 2788 99 France Telecom Transpac 8866 331 111 23 Bulgarian Telecommunication C 3320 326 7063 275 Deutsche Telekom AG 8452 325 188 11 TEDATA 5462 300 794 27 Telewest Broadband 25233 289 44 24 Awalnet 8551 287 270 37 Bezeq International 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 2848 218 UniNet S.A. de C.V. 11830 670 299 9 Instituto Costarricense de El 22047 565 270 14 VTR PUNTO NET S.A. 10620 545 126 59 TVCABLE BOGOTA 7303 494 243 69 Telecom Argentina Stet-France 16814 426 27 10 NSS, S.A. 6471 420 85 49 ENTEL CHILE S.A. 11172 405 118 72 Servicios Alestra S.A de C.V 28573 341 468 23 NET Servicos de Comunicao S.A 14117 330 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 562 73 45 LINKdotNET AS number 3741 270 856 226 The Internet Solution 20858 256 34 3 EgyNet 2018 238 215 140 Tertiary Education Network 6713 142 135 11 Itissalat Al-MAGHRIB 33783 141 10 15 EEPAD TISP TELECOM & INTERNET 5536 120 8 17 Internet Egypt Network 5713 114 555 63 Telkom SA Ltd 29571 113 13 9 Ci Telecom Autonomous system 33776 109 6 3 Starcomms Nigeria Limited 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 4356 3417 340 bellsouth.net, inc. 209 3042 4035 623 Qwest 6298 2079 326 690 Cox Communicatons 1785 1693 717 154 PaeTec Communications, Inc. 20115 1660 1452 725 Charter Communications 6478 1650 363 193 AT&T Worldnet Services 2386 1587 700 898 AT&T Data Communications Serv 4323 1575 1084 377 Time Warner Telecom 17488 1409 99 102 Hathway IP Over Cable Interne 7018 1402 5869 970 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 3042 2419 Qwest 1785 1693 1539 PaeTec Communications, Inc. 6478 1650 1457 AT&T Worldnet Services 6298 2079 1389 Cox Communicatons 17488 1409 1307 Hathway IP Over Cable Interne 4323 1575 1198 Time Warner Telecom 11492 1210 1194 Cable One 8151 1400 1182 UniNet S.A. de C.V. 4755 1310 1133 TATA Communications formerly 18566 1059 1049 Covad Communications 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 24.75.116.0/22 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 41.191.124.0/22 2905 Verizon South Africa 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 /8:18 /9:9 /10:18 /11:46 /12:149 /13:298 /14:538 /15:1067 /16:10137 /17:4427 /18:7668 /19:16493 /20:19336 /21:19024 /22:24005 /23:24859 /24:142112 /25:840 /26:1017 /27:832 /28:88 /29:9 /30:1 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2851 4356 bellsouth.net, inc. 6298 2053 2079 Cox Communicatons 209 1756 3042 Qwest 2386 1269 1587 AT&T Data Communications Serv 17488 1198 1409 Hathway IP Over Cable Interne 11492 1187 1210 Cable One 1785 1156 1693 PaeTec Communications, Inc. 6478 1105 1650 AT&T Worldnet Services 18566 1040 1059 Covad Communications 9583 977 1110 Sify Limited Complete listing at http://thyme.apnic.net/current/data/sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:12 8:154 12:2178 13:2 15:21 16:3 17:5 20:35 24:1087 32:54 38:518 40:92 41:775 43:1 44:2 47:13 52:3 55:3 56:3 57:26 58:516 59:533 60:452 61:1032 62:1139 63:2009 64:3277 65:2428 66:3501 67:1313 68:808 69:2331 70:878 71:137 72:2065 73:7 74:1276 75:167 76:290 77:878 78:517 79:282 80:924 81:865 82:609 83:397 84:584 85:1025 86:509 87:704 88:347 89:1353 90:25 91:1661 92:288 93:963 94:326 95:34 96:86 97:128 98:386 99:15 113:40 114:119 115:144 116:1005 117:402 118:241 119:516 120:102 121:609 122:855 123:444 124:861 125:1226 128:353 129:217 130:135 131:407 132:72 133:9 134:186 135:31 136:224 137:102 138:145 139:83 140:414 141:111 142:391 143:298 144:302 145:52 146:373 147:140 148:605 149:211 150:129 151:208 152:150 153:136 154:10 155:274 156:174 157:302 158:168 159:282 160:273 161:140 162:247 163:135 164:518 165:503 166:361 167:341 168:630 169:155 170:454 171:40 172:10 173:129 174:1 187:18 188:1 189:308 190:2373 192:5825 193:4153 194:3291 195:2639 196:1018 198:3717 199:3308 200:5551 201:1479 202:7672 203:8036 204:3927 205:2189 206:2310 207:2772 208:3717 209:3459 210:2589 211:1093 212:1537 213:1631 214:69 215:25 216:4355 217:1252 218:351 219:421 220:1059 221:418 222:302 End of report
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