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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Aug 13 20:19:28 CEST 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.apnic.net. If you have any comments please contact Philip Smith <pfs at cisco.com>. Routing Table Report 04:00 +10GMT Sat 14 Aug, 2010 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 327733 Prefixes after maximum aggregation: 151079 Deaggregation factor: 2.17 Unique aggregates announced to Internet: 160689 Total ASes present in the Internet Routing Table: 34560 Prefixes per ASN: 9.48 Origin-only ASes present in the Internet Routing Table: 29983 Origin ASes announcing only one prefix: 14554 Transit ASes present in the Internet Routing Table: 4577 Transit-only ASes present in the Internet Routing Table: 101 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 24 Max AS path prepend of ASN (41664) 21 Prefixes from unregistered ASNs in the Routing Table: 860 Unregistered ASNs in the Routing Table: 433 Number of 32-bit ASNs allocated by the RIRs: 727 Prefixes from 32-bit ASNs in the Routing Table: 904 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 176 Number of addresses announced to Internet: 2288066240 Equivalent to 136 /8s, 97 /16s and 30 /24s Percentage of available address space announced: 61.7 Percentage of allocated address space announced: 65.9 Percentage of available address space allocated: 93.7 Percentage of address space in use by end-sites: 84.2 Total number of prefixes smaller than registry allocations: 155492 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 79750 Total APNIC prefixes after maximum aggregation: 27336 APNIC Deaggregation factor: 2.92 Prefixes being announced from the APNIC address blocks: 76668 Unique aggregates announced from the APNIC address blocks: 33794 APNIC Region origin ASes present in the Internet Routing Table: 4155 APNIC Prefixes per ASN: 18.45 APNIC Region origin ASes announcing only one prefix: 1159 APNIC Region transit ASes present in the Internet Routing Table: 641 Average APNIC Region AS path length visible: 3.7 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 539648800 Equivalent to 32 /8s, 42 /16s and 99 /24s Percentage of available APNIC address space announced: 76.6 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, 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: 135111 Total ARIN prefixes after maximum aggregation: 69791 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 107970 Unique aggregates announced from the ARIN address blocks: 42371 ARIN Region origin ASes present in the Internet Routing Table: 13847 ARIN Prefixes per ASN: 7.80 ARIN Region origin ASes announcing only one prefix: 5310 ARIN Region transit ASes present in the Internet Routing Table: 1364 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 731174304 Equivalent to 43 /8s, 148 /16s and 213 /24s Percentage of available ARIN address space announced: 62.3 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, 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: 74801 Total RIPE prefixes after maximum aggregation: 43787 RIPE Deaggregation factor: 1.71 Prefixes being announced from the RIPE address blocks: 68193 Unique aggregates announced from the RIPE address blocks: 44831 RIPE Region origin ASes present in the Internet Routing Table: 14675 RIPE Prefixes per ASN: 4.65 RIPE Region origin ASes announcing only one prefix: 7553 RIPE Region transit ASes present in the Internet Routing Table: 2201 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 24 Number of RIPE addresses announced to Internet: 434991872 Equivalent to 25 /8s, 237 /16s and 115 /24s Percentage of available RIPE address space announced: 76.3 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: 29552 Total LACNIC prefixes after maximum aggregation: 7056 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 28053 Unique aggregates announced from the LACNIC address blocks: 14979 LACNIC Region origin ASes present in the Internet Routing Table: 1321 LACNIC Prefixes per ASN: 21.24 LACNIC Region origin ASes announcing only one prefix: 407 LACNIC Region transit ASes present in the Internet Routing Table: 235 Average LACNIC Region AS path length visible: 3.9 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 76476928 Equivalent to 4 /8s, 142 /16s and 242 /24s Percentage of available LACNIC address space announced: 57.0 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: 7368 Total AfriNIC prefixes after maximum aggregation: 1881 AfriNIC Deaggregation factor: 3.92 Prefixes being announced from the AfriNIC address blocks: 5700 Unique aggregates announced from the AfriNIC address blocks: 1657 AfriNIC Region origin ASes present in the Internet Routing Table: 392 AfriNIC Prefixes per ASN: 14.54 AfriNIC Region origin ASes announcing only one prefix: 125 AfriNIC Region transit ASes present in the Internet Routing Table: 89 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 19938304 Equivalent to 1 /8s, 48 /16s and 60 /24s Percentage of available AfriNIC address space announced: 59.4 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 1862 8410 495 Korea Telecom (KIX) 4755 1481 298 164 TATA Communications formerly 7545 1376 234 87 TPG Internet Pty Ltd 17488 1343 149 127 Hathway IP Over Cable Interne 17974 1216 292 74 PT TELEKOMUNIKASI INDONESIA 24560 1005 304 181 Bharti Airtel Ltd., Telemedia 9583 1003 74 487 Sify Limited 4808 899 1671 245 CNCGROUP IP network: China169 9829 818 687 34 BSNL National Internet Backbo 4134 787 22220 415 CHINANET-BACKBONE 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 3856 3684 276 bellsouth.net, inc. 4323 2730 1116 393 Time Warner Telecom 19262 1946 4613 279 Verizon Global Networks 1785 1785 698 129 PaeTec Communications, Inc. 20115 1489 1526 653 Charter Communications 7018 1478 5734 952 AT&T WorldNet Services 6478 1289 255 145 AT&T Worldnet Services 2386 1284 553 907 AT&T Data Communications Serv 22773 1176 2858 61 Cox Communications, Inc. 11492 1175 209 90 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 449 2026 390 TDC Tele Danmark 30890 443 99 211 Evolva Telecom 702 414 1870 326 UUNET - Commercial IP service 8866 403 117 18 Bulgarian Telecommunication C 8551 401 353 46 Bezeq International 3320 376 7329 325 Deutsche Telekom AG 3301 373 1415 328 TeliaNet Sweden 34984 367 89 183 BILISIM TELEKOM 12479 352 576 5 Uni2 Autonomous System 3215 322 3218 94 France Telecom Transpac 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 1527 3049 247 UniNet S.A. de C.V. 10620 1091 244 150 TVCABLE BOGOTA 28573 1067 833 111 NET Servicos de Comunicao S.A 6503 811 187 264 AVANTEL, S.A. 7303 788 408 99 Telecom Argentina Stet-France 22047 550 310 15 VTR PUNTO NET S.A. 14420 547 35 75 CORPORACION NACIONAL DE TELEC 7738 477 922 30 Telecomunicacoes da Bahia S.A 3816 474 208 98 Empresa Nacional de Telecomun 11172 447 99 76 Servicios Alestra S.A de C.V 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 8452 1168 445 10 TEDATA 24863 728 147 39 LINKdotNET AS number 36992 655 279 183 Etisalat MISR 3741 270 898 232 The Internet Solution 33776 206 12 12 Starcomms Nigeria Limited 2018 197 277 64 Tertiary Education Network 6713 195 186 16 Itissalat Al-MAGHRIB 29571 192 19 11 Ci Telecom Autonomous system 24835 188 78 9 RAYA Telecom - Egypt 16637 147 440 95 MTN Network Solutions 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 3856 3684 276 bellsouth.net, inc. 4323 2730 1116 393 Time Warner Telecom 19262 1946 4613 279 Verizon Global Networks 4766 1862 8410 495 Korea Telecom (KIX) 1785 1785 698 129 PaeTec Communications, Inc. 8151 1527 3049 247 UniNet S.A. de C.V. 20115 1489 1526 653 Charter Communications 4755 1481 298 164 TATA Communications formerly 7018 1478 5734 952 AT&T WorldNet Services 7545 1376 234 87 TPG Internet Pty Ltd Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 2730 2337 Time Warner Telecom 19262 1946 1667 Verizon Global Networks 1785 1785 1656 PaeTec Communications, Inc. 4766 1862 1367 Korea Telecom (KIX) 4755 1481 1317 TATA Communications formerly 7545 1376 1289 TPG Internet Pty Ltd 8151 1527 1280 UniNet S.A. de C.V. 17488 1343 1216 Hathway IP Over Cable Interne 8452 1168 1158 TEDATA 6478 1289 1144 AT&T Worldnet Services Complete listing at http://thyme.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 22015 UNALLOCATED 8.22.137.0/24 14989 Broadview Networks 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 23054 UNALLOCATED 12.18.240.0/24 7018 AT&T WorldNet Servic 33198 UNALLOCATED 12.19.149.0/24 701 UUNET Technologies, 36178 UNALLOCATED 12.20.60.0/23 6128 Cablevision Systems 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 Complete listing at http://thyme.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<< 41.223.188.0/24 22351 Intelsat 41.223.189.0/24 6453 Teleglobe Inc. 41.223.196.0/24 36990 Alkan Telecom Ltd 41.223.197.0/24 36990 Alkan Telecom Ltd 41.223.198.0/24 36990 Alkan Telecom Ltd 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 /8:21 /9:10 /10:25 /11:67 /12:198 /13:412 /14:718 /15:1304 /16:11200 /17:5397 /18:9236 /19:18562 /20:23299 /21:23290 /22:30291 /23:29761 /24:170761 /25:1058 /26:1205 /27:741 /28:117 /29:47 /30:6 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2466 3856 bellsouth.net, inc. 4766 1488 1862 Korea Telecom (KIX) 4323 1393 2730 Time Warner Telecom 1785 1252 1785 PaeTec Communications, Inc. 17488 1086 1343 Hathway IP Over Cable Interne 11492 1083 1175 Cable One 18566 1068 1087 Covad Communications 8452 1057 1168 TEDATA 10620 1005 1091 TVCABLE BOGOTA 19262 913 1946 Verizon Global Networks Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:44 2:2 4:13 8:294 12:2016 13:7 14:1 15:21 16:3 17:9 20:6 24:1442 27:294 31:1 32:61 33:22 38:695 40:97 41:2504 44:3 46:23 47:16 52:12 55:7 56:2 57:28 58:780 59:508 60:460 61:1073 62:1059 63:1972 64:3730 65:2321 66:4026 67:1838 68:1102 69:2765 70:744 71:444 72:1944 73:2 74:2303 75:253 76:326 77:890 78:620 79:433 80:1015 81:801 82:499 83:488 84:689 85:1043 86:461 87:690 88:304 89:1526 90:99 91:2959 92:412 93:1000 94:1173 95:667 96:530 97:212 98:626 99:33 108:109 109:614 110:435 111:537 112:281 113:310 114:435 115:576 116:1094 117:654 118:490 119:889 120:139 121:725 122:1531 123:953 124:1129 125:1242 128:227 129:162 130:194 131:558 132:247 133:16 134:195 135:45 136:240 137:136 138:270 139:105 140:477 141:197 142:340 143:376 144:473 145:52 146:425 147:171 148:676 149:272 150:154 151:228 152:297 153:168 154:3 155:358 156:166 157:327 158:119 159:361 160:316 161:180 162:252 163:173 164:413 165:366 166:463 167:413 168:646 169:159 170:716 171:59 172:2 173:978 174:516 175:160 176:1 177:1 178:341 180:514 181:1 182:179 183:239 184:147 186:549 187:418 188:806 189:765 190:3899 192:5755 193:4732 194:3400 195:2790 196:1181 198:3567 199:3534 200:5354 201:1588 202:8016 203:8273 204:4035 205:2403 206:2484 207:3067 208:3881 209:3470 210:2546 211:1305 212:1719 213:1675 214:659 215:69 216:4679 217:1546 218:502 219:379 220:1139 221:402 222:316 223:2 End of report
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