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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Oct 15 20:29:12 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.rand.apnic.net. If you have any comments please contact Philip Smith <pfs at cisco.com>. Routing Table Report 04:00 +10GMT Sat 16 Oct, 2010 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 333673 Prefixes after maximum aggregation: 153173 Deaggregation factor: 2.18 Unique aggregates announced to Internet: 163976 Total ASes present in the Internet Routing Table: 34973 Prefixes per ASN: 9.54 Origin-only ASes present in the Internet Routing Table: 30332 Origin ASes announcing only one prefix: 14721 Transit ASes present in the Internet Routing Table: 4641 Transit-only ASes present in the Internet Routing Table: 102 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: 334 Unregistered ASNs in the Routing Table: 124 Number of 32-bit ASNs allocated by the RIRs: 819 Prefixes from 32-bit ASNs in the Routing Table: 1161 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 216 Number of addresses announced to Internet: 2280874400 Equivalent to 135 /8s, 243 /16s and 97 /24s Percentage of available address space announced: 61.5 Percentage of allocated address space announced: 65.7 Percentage of available address space allocated: 93.7 Percentage of address space in use by end-sites: 85.3 Total number of prefixes smaller than registry allocations: 137157 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 81624 Total APNIC prefixes after maximum aggregation: 27931 APNIC Deaggregation factor: 2.92 Prefixes being announced from the APNIC address blocks: 78535 Unique aggregates announced from the APNIC address blocks: 34462 APNIC Region origin ASes present in the Internet Routing Table: 4204 APNIC Prefixes per ASN: 18.68 APNIC Region origin ASes announcing only one prefix: 1175 APNIC Region transit ASes present in the Internet Routing Table: 644 Average APNIC Region AS path length visible: 3.7 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 551962912 Equivalent to 32 /8s, 230 /16s and 73 /24s Percentage of available APNIC address space announced: 78.3 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, 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: 136292 Total ARIN prefixes after maximum aggregation: 70287 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 108891 Unique aggregates announced from the ARIN address blocks: 43464 ARIN Region origin ASes present in the Internet Routing Table: 13949 ARIN Prefixes per ASN: 7.81 ARIN Region origin ASes announcing only one prefix: 5337 ARIN Region transit ASes present in the Internet Routing Table: 1381 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 737739008 Equivalent to 43 /8s, 249 /16s and 1 /24s Percentage of available ARIN address space announced: 62.8 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: 76685 Total RIPE prefixes after maximum aggregation: 44471 RIPE Deaggregation factor: 1.72 Prefixes being announced from the RIPE address blocks: 70114 Unique aggregates announced from the RIPE address blocks: 45929 RIPE Region origin ASes present in the Internet Routing Table: 14880 RIPE Prefixes per ASN: 4.71 RIPE Region origin ASes announcing only one prefix: 7660 RIPE Region transit ASes present in the Internet Routing Table: 2244 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 24 Number of RIPE addresses announced to Internet: 441326464 Equivalent to 26 /8s, 78 /16s and 27 /24s Percentage of available RIPE address space announced: 77.4 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: 30306 Total LACNIC prefixes after maximum aggregation: 7173 LACNIC Deaggregation factor: 4.23 Prefixes being announced from the LACNIC address blocks: 28998 Unique aggregates announced from the LACNIC address blocks: 15164 LACNIC Region origin ASes present in the Internet Routing Table: 1368 LACNIC Prefixes per ASN: 21.20 LACNIC Region origin ASes announcing only one prefix: 429 LACNIC Region transit ASes present in the Internet Routing Table: 237 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 76206464 Equivalent to 4 /8s, 138 /16s and 209 /24s Percentage of available LACNIC address space announced: 56.8 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: 7350 Total AfriNIC prefixes after maximum aggregation: 1867 AfriNIC Deaggregation factor: 3.94 Prefixes being announced from the AfriNIC address blocks: 5664 Unique aggregates announced from the AfriNIC address blocks: 1769 AfriNIC Region origin ASes present in the Internet Routing Table: 405 AfriNIC Prefixes per ASN: 13.99 AfriNIC Region origin ASes announcing only one prefix: 120 AfriNIC Region transit ASes present in the Internet Routing Table: 92 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 20834560 Equivalent to 1 /8s, 61 /16s and 233 /24s Percentage of available AfriNIC address space announced: 62.1 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 1872 9437 510 Korea Telecom (KIX) 7545 1412 297 80 TPG Internet Pty Ltd 4755 1373 382 157 TATA Communications formerly 17488 1364 156 121 Hathway IP Over Cable Interne 17974 1246 303 79 PT TELEKOMUNIKASI INDONESIA 9583 1034 77 497 Sify Limited 24560 1020 303 179 Bharti Airtel Ltd., Telemedia 4808 977 1739 267 CNCGROUP IP network: China169 18101 888 100 134 Reliance Infocom Ltd Internet 9829 822 694 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 3770 3667 279 bellsouth.net, inc. 4323 2616 1119 393 Time Warner Telecom 1785 1797 698 130 PaeTec Communications, Inc. 19262 1777 4833 279 Verizon Global Networks 20115 1505 1526 647 Charter Communications 7018 1462 5728 935 AT&T WorldNet Services 6478 1384 280 121 AT&T Worldnet Services 2386 1307 555 923 AT&T Data Communications Serv 11492 1235 231 74 Cable One 22773 1205 2858 61 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 449 2028 390 TDC Tele Danmark 8866 422 119 24 Bulgarian Telecommunication C 702 404 1869 318 UUNET - Commercial IP service 8551 402 353 46 Bezeq International 34984 381 91 184 BILISIM TELEKOM 3320 380 7332 331 Deutsche Telekom AG 3301 379 1688 335 TeliaNet Sweden 30890 375 80 204 Evolva Telecom 12479 374 576 5 Uni2 Autonomous System 31148 357 19 78 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 8151 1341 2581 371 UniNet S.A. de C.V. 10620 1332 247 150 TVCABLE BOGOTA 28573 1182 909 88 NET Servicos de Comunicao S.A 7303 831 441 107 Telecom Argentina Stet-France 6503 761 223 259 AVANTEL, S.A. 22047 559 310 15 VTR PUNTO NET S.A. 14420 544 39 76 CORPORACION NACIONAL DE TELEC 3816 484 210 95 Empresa Nacional de Telecomun 7738 478 922 30 Telecomunicacoes da Bahia S.A 14117 448 32 27 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 976 445 10 TEDATA 24863 712 146 44 LINKdotNET AS number 36992 641 278 167 Etisalat MISR 3741 266 906 224 The Internet Solution 6713 203 199 12 Itissalat Al-MAGHRIB 29571 203 19 11 Ci Telecom Autonomous system 2018 197 277 64 Tertiary Education Network 33776 196 12 14 Starcomms Nigeria Limited 24835 174 78 9 RAYA Telecom - Egypt 16637 154 440 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 3770 3667 279 bellsouth.net, inc. 4323 2616 1119 393 Time Warner Telecom 4766 1872 9437 510 Korea Telecom (KIX) 1785 1797 698 130 PaeTec Communications, Inc. 19262 1777 4833 279 Verizon Global Networks 20115 1505 1526 647 Charter Communications 7018 1462 5728 935 AT&T WorldNet Services 7545 1412 297 80 TPG Internet Pty Ltd 6478 1384 280 121 AT&T Worldnet Services 4755 1373 382 157 TATA Communications formerly 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 2616 2223 Time Warner Telecom 1785 1797 1667 PaeTec Communications, Inc. 19262 1777 1498 Verizon Global Networks 4766 1872 1362 Korea Telecom (KIX) 7545 1412 1332 TPG Internet Pty Ltd 6478 1384 1263 AT&T Worldnet Services 17488 1364 1243 Hathway IP Over Cable Interne 4755 1373 1216 TATA Communications formerly 10620 1332 1182 TVCABLE BOGOTA 17974 1246 1167 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 7018 AT&T WorldNet Servic 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<< 46.20.224.0/20 39451 Melbourne Network Solutions c 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 /11:67 /12:203 /13:420 /14:735 /15:1330 /16:11315 /17:5488 /18:9329 /19:18494 /20:23679 /21:23911 /22:31328 /23:30531 /24:173949 /25:983 /26:1102 /27:581 /28:153 /29:12 /30:2 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2334 3770 bellsouth.net, inc. 4323 1407 2616 Time Warner Telecom 6478 1346 1384 AT&T Worldnet Services 10620 1220 1332 TVCABLE BOGOTA 11492 1192 1235 Cable One 1785 1077 1797 PaeTec Communications, Inc. 18566 1069 1088 Covad Communications 7011 1056 1156 Citizens Utilities 19262 903 1777 Verizon Global Networks 8452 882 976 TEDATA Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:87 2:14 4:13 8:311 12:2011 13:8 14:34 15:20 16:3 17:9 20:9 24:1383 27:389 31:1 32:61 33:12 38:695 40:97 41:2454 44:3 46:163 47:11 49:4 50:1 52:12 55:3 56:2 57:29 58:832 59:500 60:479 61:1111 62:1027 63:1964 64:3746 65:2336 66:4062 67:1850 68:1144 69:2846 70:758 71:375 72:1940 73:2 74:2321 75:293 76:324 77:869 78:698 79:445 80:1043 81:805 82:493 83:450 84:685 85:1035 86:431 87:689 88:322 89:1556 90:105 91:3107 92:427 93:1020 94:1107 95:739 96:389 97:223 98:639 99:32 101:3 108:64 109:699 110:423 111:583 112:298 113:296 114:477 115:606 116:1115 117:658 118:541 119:979 120:196 121:722 122:1589 123:917 124:1228 125:1269 128:227 129:158 130:170 131:557 132:274 133:20 134:207 135:46 136:207 137:140 138:278 139:109 140:478 141:197 142:348 143:386 144:500 145:54 146:429 147:190 148:619 149:306 150:146 151:232 152:294 153:174 154:3 155:369 156:169 157:333 158:113 159:357 160:312 161:198 162:269 163:166 164:423 165:349 166:470 167:418 168:678 169:154 170:716 171:63 172:2 173:1029 174:554 175:212 176:1 177:1 178:537 180:683 181:1 182:244 183:231 184:131 186:733 187:513 188:842 189:806 190:4133 192:5771 193:4738 194:3430 195:2828 196:1205 198:3544 199:3615 200:5421 201:1582 202:8138 203:8299 204:4033 205:2326 206:2566 207:3036 208:3899 209:3478 210:2554 211:1282 212:1780 213:1706 214:678 215:66 216:4809 217:1561 218:522 219:401 220:1177 221:429 222:342 223:53 End of report
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