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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Nov 12 19:26:23 CET 2010
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, CaribNOG and the RIPE Routing Working Group. Daily listings are sent to bgp-stats at lists.apnic.net For historical data, please see http://thyme.rand.apnic.net. If you have any comments please contact Philip Smith <pfs at cisco.com>. Routing Table Report 04:00 +10GMT Sat 13 Nov, 2010 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 337475 Prefixes after maximum aggregation: 153810 Deaggregation factor: 2.19 Unique aggregates announced to Internet: 165548 Total ASes present in the Internet Routing Table: 35234 Prefixes per ASN: 9.58 Origin-only ASes present in the Internet Routing Table: 30369 Origin ASes announcing only one prefix: 14826 Transit ASes present in the Internet Routing Table: 4865 Transit-only ASes present in the Internet Routing Table: 117 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 31 Max AS path prepend of ASN (36992) 29 Prefixes from unregistered ASNs in the Routing Table: 295 Unregistered ASNs in the Routing Table: 124 Number of 32-bit ASNs allocated by the RIRs: 880 Prefixes from 32-bit ASNs in the Routing Table: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 195 Number of addresses announced to Internet: 2298665376 Equivalent to 137 /8s, 2 /16s and 217 /24s Percentage of available address space announced: 62.0 Percentage of allocated address space announced: 65.6 Percentage of available address space allocated: 94.6 Percentage of address space in use by end-sites: 85.9 Total number of prefixes smaller than registry allocations: 139046 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 82694 Total APNIC prefixes after maximum aggregation: 28127 APNIC Deaggregation factor: 2.94 Prefixes being announced from the APNIC address blocks: 79584 Unique aggregates announced from the APNIC address blocks: 34871 APNIC Region origin ASes present in the Internet Routing Table: 4237 APNIC Prefixes per ASN: 18.78 APNIC Region origin ASes announcing only one prefix: 1178 APNIC Region transit ASes present in the Internet Routing Table: 680 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 563115552 Equivalent to 33 /8s, 144 /16s and 118 /24s Percentage of available APNIC address space announced: 76.3 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079 55296-56319, 131072-132095 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 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, 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: 137756 Total ARIN prefixes after maximum aggregation: 71405 ARIN Deaggregation factor: 1.93 Prefixes being announced from the ARIN address blocks: 109127 Unique aggregates announced from the ARIN address blocks: 43688 ARIN Region origin ASes present in the Internet Routing Table: 14028 ARIN Prefixes per ASN: 7.78 ARIN Region origin ASes announcing only one prefix: 5371 ARIN Region transit ASes present in the Internet Routing Table: 1493 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 23 Number of ARIN addresses announced to Internet: 740228864 Equivalent to 44 /8s, 30 /16s and 255 /24s Percentage of available ARIN address space announced: 63.0 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, 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, 54/8, 55/8, 56/8, 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, 107/8, 108/8, 173/8, 174/8, 184/8, 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: 77788 Total RIPE prefixes after maximum aggregation: 44916 RIPE Deaggregation factor: 1.73 Prefixes being announced from the RIPE address blocks: 71248 Unique aggregates announced from the RIPE address blocks: 46676 RIPE Region origin ASes present in the Internet Routing Table: 14985 RIPE Prefixes per ASN: 4.75 RIPE Region origin ASes announcing only one prefix: 7714 RIPE Region transit ASes present in the Internet Routing Table: 2305 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 30 Number of RIPE addresses announced to Internet: 444162560 Equivalent to 26 /8s, 121 /16s and 98 /24s Percentage of available RIPE address space announced: 77.9 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, 196608-197631 RIPE Address Blocks 2/8, 25/8, 31/8, 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, 176/8, 178/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 31406 Total LACNIC prefixes after maximum aggregation: 7357 LACNIC Deaggregation factor: 4.27 Prefixes being announced from the LACNIC address blocks: 30044 Unique aggregates announced from the LACNIC address blocks: 15310 LACNIC Region origin ASes present in the Internet Routing Table: 1390 LACNIC Prefixes per ASN: 21.61 LACNIC Region origin ASes announcing only one prefix: 435 LACNIC Region transit ASes present in the Internet Routing Table: 245 Average LACNIC Region AS path length visible: 4.4 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 76966400 Equivalent to 4 /8s, 150 /16s and 106 /24s Percentage of available LACNIC address space announced: 57.3 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 plus ERX transfers LACNIC Address Blocks 177/8, 181/8, 186/8, 187/8, 189/8, 190/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 7605 Total AfriNIC prefixes after maximum aggregation: 1885 AfriNIC Deaggregation factor: 4.03 Prefixes being announced from the AfriNIC address blocks: 5887 Unique aggregates announced from the AfriNIC address blocks: 1748 AfriNIC Region origin ASes present in the Internet Routing Table: 413 AfriNIC Prefixes per ASN: 14.25 AfriNIC Region origin ASes announcing only one prefix: 128 AfriNIC Region transit ASes present in the Internet Routing Table: 91 Average AfriNIC Region AS path length visible: 5.2 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC addresses announced to Internet: 21490688 Equivalent to 1 /8s, 71 /16s and 236 /24s Percentage of available AfriNIC address space announced: 64.0 AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4766 1865 9469 516 Korea Telecom (KIX) 7545 1436 299 79 TPG Internet Pty Ltd 4755 1384 383 158 TATA Communications formerly 17488 1360 156 121 Hathway IP Over Cable Interne 17974 1297 306 95 PT TELEKOMUNIKASI INDONESIA 24560 1056 309 168 Bharti Airtel Ltd., Telemedia 9583 1028 75 487 Sify Limited 4808 979 1722 267 CNCGROUP IP network: China169 18101 905 116 138 Reliance Infocom Ltd Internet 9829 826 694 27 BSNL National Internet Backbo 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 3752 3922 277 bellsouth.net, inc. 4323 2660 1106 397 Time Warner Telecom 1785 1796 697 130 PaeTec Communications, Inc. 19262 1781 4864 282 Verizon Global Networks 20115 1508 1530 645 Charter Communications 7018 1410 5660 902 AT&T WorldNet Services 6478 1392 280 137 AT&T Worldnet Services 2386 1305 555 926 AT&T Data Communications Serv 11492 1256 233 72 Cable One 22773 1243 2859 62 Cox Communications, 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 3292 447 2027 389 TDC Tele Danmark 8866 435 133 25 Bulgarian Telecommunication C 8551 401 353 46 Bezeq International 34984 397 92 191 BILISIM TELEKOM 702 396 1865 310 UUNET - Commercial IP service 3301 380 1688 334 TeliaNet Sweden 3320 378 7332 331 Deutsche Telekom AG 12479 375 576 5 Uni2 Autonomous System 30890 375 80 208 Evolva Telecom 31148 353 18 85 FreeNet ISP 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 6503 1998 277 365 AVANTEL, S.A. 8151 1336 2610 376 UniNet S.A. de C.V. 10620 1333 249 154 TVCABLE BOGOTA 28573 1181 928 84 NET Servicos de Comunicao S.A 7303 827 440 105 Telecom Argentina Stet-France 14420 571 48 76 CORPORACION NACIONAL DE TELEC 22047 563 310 15 VTR PUNTO NET S.A. 3816 487 212 95 Empresa Nacional de Telecomun 7738 478 922 30 Telecomunicacoes da Bahia S.A 14117 452 32 29 Telefonica del Sur 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 1065 445 10 TEDATA 24863 741 147 39 LINKdotNET AS number 36992 650 278 158 Etisalat MISR 3741 264 907 226 The Internet Solution 24835 204 78 10 RAYA Telecom - Egypt 6713 203 199 12 Itissalat Al-MAGHRIB 29571 202 19 11 Ci Telecom Autonomous system 2018 197 277 64 Tertiary Education Network 33776 195 12 14 Starcomms Nigeria Limited 16637 154 441 91 MTN Network Solutions 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 3752 3922 277 bellsouth.net, inc. 4323 2660 1106 397 Time Warner Telecom 6503 1998 277 365 AVANTEL, S.A. 4766 1865 9469 516 Korea Telecom (KIX) 1785 1796 697 130 PaeTec Communications, Inc. 19262 1781 4864 282 Verizon Global Networks 20115 1508 1530 645 Charter Communications 7545 1436 299 79 TPG Internet Pty Ltd 7018 1410 5660 902 AT&T WorldNet Services 6478 1392 280 137 AT&T Worldnet Services Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 2660 2263 Time Warner Telecom 1785 1796 1666 PaeTec Communications, Inc. 6503 1998 1633 AVANTEL, S.A. 19262 1781 1499 Verizon Global Networks 7545 1436 1357 TPG Internet Pty Ltd 4766 1865 1349 Korea Telecom (KIX) 6478 1392 1255 AT&T Worldnet Services 17488 1360 1239 Hathway IP Over Cable Interne 4755 1384 1226 TATA Communications formerly 17974 1297 1202 PT TELEKOMUNIKASI INDONESIA Complete listing at http://thyme.rand.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 4323 Time Warner Telecom 13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom 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 12.39.155.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic 25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic Complete listing at http://thyme.rand.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 31.0.0.0/16 12654 RIPE NCC RIS Project 31.1.0.0/21 12654 RIPE NCC RIS Project 31.1.24.0/24 12654 RIPE NCC RIS Project 41.222.79.0/24 36938 >>UNKNOWN<< 41.223.92.0/22 36936 >>UNKNOWN<< 46.148.128.0/20 44056 Trytech Ltd. 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 62.61.221.0/24 24974 Tachyon Europe BV - Wireless 64.21.192.0/20 11610 Internet Nebraska Corporation 64.21.212.0/22 11610 Internet Nebraska Corporation 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 /8:19 /9:10 /10:25 /11:69 /12:207 /13:422 /14:747 /15:1352 /16:11407 /17:5583 /18:9345 /19:18599 /20:23974 /21:24005 /22:31701 /23:30532 /24:176629 /25:986 /26:1102 /27:586 /28:154 /29:12 /30:2 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2316 3752 bellsouth.net, inc. 6503 1749 1998 AVANTEL, S.A. 4323 1431 2660 Time Warner Telecom 6478 1353 1392 AT&T Worldnet Services 10620 1225 1333 TVCABLE BOGOTA 11492 1213 1256 Cable One 1785 1075 1796 PaeTec Communications, Inc. 18566 1072 1091 Covad Communications 7011 1058 1159 Citizens Utilities 8452 966 1065 TEDATA Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:100 2:13 4:13 8:313 12:2016 13:8 14:60 15:18 16:3 17:8 20:9 24:1418 27:441 31:1 32:61 33:9 34:2 38:716 40:101 41:2612 44:3 46:260 47:10 49:14 50:6 52:12 55:7 56:2 57:29 58:848 59:500 60:496 61:1136 62:1006 63:1959 64:3738 65:2329 66:4079 67:1829 68:1130 69:2889 70:752 71:374 72:1935 73:2 74:2316 75:292 76:326 77:853 78:669 79:430 80:1048 81:798 82:506 83:466 84:681 85:1014 86:483 87:698 88:331 89:1567 90:116 91:3177 92:449 93:997 94:1129 95:715 96:402 97:226 98:627 99:33 101:3 107:1 108:64 109:745 110:417 111:645 112:313 113:316 114:475 115:608 116:1131 117:662 118:571 119:1014 120:166 121:709 122:1604 123:979 124:1235 125:1271 128:228 129:152 130:168 131:553 132:246 133:20 134:207 135:46 136:211 137:141 138:283 139:109 140:471 141:196 142:347 143:354 144:501 145:55 146:426 147:179 148:671 149:326 150:146 151:231 152:290 153:174 154:3 155:364 156:166 157:339 158:114 159:367 160:313 161:198 162:275 163:166 164:430 165:349 166:468 167:428 168:700 169:155 170:719 171:63 172:2 173:1089 174:411 175:261 176:1 178:618 180:693 182:252 183:246 184:182 186:805 187:859 188:884 189:1565 190:4197 192:5768 193:4772 194:3443 195:2858 196:1209 198:3533 199:3642 200:5490 201:1641 202:8218 203:8289 204:4044 205:2336 206:2569 207:3022 208:3885 209:3458 210:2553 211:1299 212:1807 213:1718 214:696 215:66 216:4761 217:1595 218:544 219:400 220:1221 221:421 222:342 223:71 End of report
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