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[routing-wg]Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Feb 12 19:50:09 CET 2010
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 13 Feb, 2010 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 311463 Prefixes after maximum aggregation: 144143 Deaggregation factor: 2.16 Unique aggregates announced to Internet: 152471 Total ASes present in the Internet Routing Table: 33274 Prefixes per ASN: 9.36 Origin-only ASes present in the Internet Routing Table: 28899 Origin ASes announcing only one prefix: 14066 Transit ASes present in the Internet Routing Table: 4375 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: 23 Max AS path prepend of ASN ( 9503) 21 Prefixes from unregistered ASNs in the Routing Table: 848 Unregistered ASNs in the Routing Table: 138 Number of 32-bit ASNs allocated by the RIRs: 427 Prefixes from 32-bit ASNs in the Routing Table: 400 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 289 Number of addresses announced to Internet: 2184202944 Equivalent to 130 /8s, 48 /16s and 74 /24s Percentage of available address space announced: 58.9 Percentage of allocated address space announced: 66.1 Percentage of available address space allocated: 89.1 Percentage of address space in use by end-sites: 81.1 Total number of prefixes smaller than registry allocations: 149910 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 75345 Total APNIC prefixes after maximum aggregation: 25911 APNIC Deaggregation factor: 2.91 Prefixes being announced from the APNIC address blocks: 72008 Unique aggregates announced from the APNIC address blocks: 31613 APNIC Region origin ASes present in the Internet Routing Table: 3950 APNIC Prefixes per ASN: 18.23 APNIC Region origin ASes announcing only one prefix: 1076 APNIC Region transit ASes present in the Internet Routing Table: 619 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 23 Number of APNIC addresses announced to Internet: 491620128 Equivalent to 29 /8s, 77 /16s and 135 /24s Percentage of available APNIC address space announced: 77.1 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, 27/8, 43/8, 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, 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, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 129695 Total ARIN prefixes after maximum aggregation: 67717 ARIN Deaggregation factor: 1.92 Prefixes being announced from the ARIN address blocks: 103832 Unique aggregates announced from the ARIN address blocks: 39504 ARIN Region origin ASes present in the Internet Routing Table: 13492 ARIN Prefixes per ASN: 7.70 ARIN Region origin ASes announcing only one prefix: 5209 ARIN Region transit ASes present in the Internet Routing Table: 1324 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 738753312 Equivalent to 44 /8s, 8 /16s and 123 /24s Percentage of available ARIN address space announced: 64.8 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, 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, 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: 71765 Total RIPE prefixes after maximum aggregation: 41740 RIPE Deaggregation factor: 1.72 Prefixes being announced from the RIPE address blocks: 64782 Unique aggregates announced from the RIPE address blocks: 42816 RIPE Region origin ASes present in the Internet Routing Table: 14066 RIPE Prefixes per ASN: 4.61 RIPE Region origin ASes announcing only one prefix: 7278 RIPE Region transit ASes present in the Internet Routing Table: 2109 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 414454912 Equivalent to 24 /8s, 180 /16s and 20 /24s Percentage of available RIPE address space announced: 77.2 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, 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, 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: 27496 Total LACNIC prefixes after maximum aggregation: 6585 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 25839 Unique aggregates announced from the LACNIC address blocks: 13895 LACNIC Region origin ASes present in the Internet Routing Table: 1242 LACNIC Prefixes per ASN: 20.80 LACNIC Region origin ASes announcing only one prefix: 407 LACNIC Region transit ASes present in the Internet Routing Table: 213 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 17 Number of LACNIC addresses announced to Internet: 70495488 Equivalent to 4 /8s, 51 /16s and 173 /24s Percentage of available LACNIC address space announced: 70.0 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 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: 6541 Total AfriNIC prefixes after maximum aggregation: 1811 AfriNIC Deaggregation factor: 3.61 Prefixes being announced from the AfriNIC address blocks: 4832 Unique aggregates announced from the AfriNIC address blocks: 1377 AfriNIC Region origin ASes present in the Internet Routing Table: 343 AfriNIC Prefixes per ASN: 14.09 AfriNIC Region origin ASes announcing only one prefix: 96 AfriNIC Region transit ASes present in the Internet Routing Table: 72 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 14845952 Equivalent to 0 /8s, 226 /16s and 136 /24s Percentage of available AfriNIC address space announced: 44.2 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 1858 7510 471 Korea Telecom (KIX) 4755 1453 287 155 TATA Communications formerly 17488 1266 132 135 Hathway IP Over Cable Interne 18101 1088 221 39 Reliance Infocom Ltd Internet 4134 1019 19607 398 CHINANET-BACKBONE 9583 990 74 494 Sify Limited 7545 945 199 97 TPG Internet Pty Ltd 17974 914 278 45 PT TELEKOMUNIKASI INDONESIA 4808 850 1582 211 CNCGROUP IP network: China169 24560 845 300 166 Bharti Airtel Ltd., Telemedia 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 4122 3875 316 bellsouth.net, inc. 4323 3791 1088 394 Time Warner Telecom 1785 1843 699 131 PaeTec Communications, Inc. 7018 1559 5758 1005 AT&T WorldNet Services 20115 1539 1488 670 Charter Communications 2386 1317 617 931 AT&T Data Communications Serv 3356 1204 10931 422 Level 3 Communications, LLC 11492 1133 222 14 Cable One 22773 1113 2600 66 Cox Communications, Inc. 6478 1104 240 244 AT&T Worldnet Services 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 35805 571 40 5 United Telecom of Georgia 3292 454 1904 396 TDC Tele Danmark 30890 453 101 205 Evolva Telecom 702 423 1869 335 UUNET - Commercial IP service 8551 397 353 37 Bezeq International 8866 378 110 24 Bulgarian Telecommunication C 3320 354 7068 309 Deutsche Telekom AG 3301 352 1413 313 TeliaNet Sweden 3215 347 3206 103 France Telecom Transpac 12479 323 576 5 Uni2 Autonomous System 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 1591 2894 236 UniNet S.A. de C.V. 10620 988 223 147 TVCABLE BOGOTA 28573 868 688 85 NET Servicos de Comunicao S.A 7303 676 356 99 Telecom Argentina Stet-France 22047 528 310 15 VTR PUNTO NET S.A. 6503 491 167 191 AVANTEL, S.A. 11830 473 308 59 Instituto Costarricense de El 11172 445 99 70 Servicios Alestra S.A de C.V 7738 439 858 29 Telecomunicacoes da Bahia S.A 3816 436 194 70 Empresa Nacional de Telecomun 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 1004 445 9 TEDATA 24863 720 144 40 LINKdotNET AS number 36992 588 130 217 Etisalat MISR 3741 273 854 233 The Internet Solution 2018 209 215 120 Tertiary Education Network 6713 177 167 12 Itissalat Al-MAGHRIB 29571 168 19 9 Ci Telecom Autonomous system 29975 134 506 15 Vodacom 33776 124 7 11 Starcomms Nigeria Limited 24835 119 78 10 RAYA Telecom - Egypt 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 4122 3875 316 bellsouth.net, inc. 4323 3791 1088 394 Time Warner Telecom 4766 1858 7510 471 Korea Telecom (KIX) 1785 1843 699 131 PaeTec Communications, Inc. 8151 1591 2894 236 UniNet S.A. de C.V. 7018 1559 5758 1005 AT&T WorldNet Services 20115 1539 1488 670 Charter Communications 4755 1453 287 155 TATA Communications formerly 2386 1317 617 931 AT&T Data Communications Serv 17488 1266 132 135 Hathway IP Over Cable Interne Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 3791 3397 Time Warner Telecom 1785 1843 1712 PaeTec Communications, Inc. 4766 1858 1387 Korea Telecom (KIX) 8151 1591 1355 UniNet S.A. de C.V. 4755 1453 1298 TATA Communications formerly 17488 1266 1131 Hathway IP Over Cable Interne 11492 1133 1119 Cable One 18101 1088 1049 Reliance Infocom Ltd Internet 18566 1059 1049 Covad Communications 22773 1113 1047 Cox Communications, Inc. 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 12.39.155.0/24 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.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 2.0.0.0/16 12654 RIPE NCC RIS Project 2.1.0.0/21 12654 RIPE NCC RIS Project 2.1.24.0/24 12654 RIPE NCC RIS Project 41.77.236.0/22 23456 32-bit ASN transition 41.190.64.0/22 28683 Office des Postes et telecomm 41.190.66.0/24 37039 Alink Telecom Benin 41.202.96.0/19 29571 Ci Telecom Autonomous system 41.202.160.0/19 33788 KANAR TELECOMMUNICATION ( KAN 41.205.0.0/19 16637 MTN Network Solutions 41.205.2.0/24 16637 MTN Network Solutions 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 /8:20 /9:10 /10:25 /11:65 /12:185 /13:385 /14:658 /15:1235 /16:10926 /17:5135 /18:8717 /19:17941 /20:21862 /21:21982 /22:28229 /23:28359 /24:162607 /25:974 /26:1220 /27:678 /28:226 /29:9 /30:7 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2679 4122 bellsouth.net, inc. 4323 2355 3791 Time Warner Telecom 4766 1477 1858 Korea Telecom (KIX) 1785 1305 1843 PaeTec Communications, Inc. 11492 1049 1133 Cable One 17488 1044 1266 Hathway IP Over Cable Interne 18566 1040 1059 Covad Communications 18101 961 1088 Reliance Infocom Ltd Internet 7018 935 1559 AT&T WorldNet Services 8452 903 1004 TEDATA Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 2:1 4:12 8:234 12:1994 13:10 15:22 16:3 17:8 20:39 24:1314 27:1 32:48 38:648 40:99 41:1928 44:3 46:1 47:26 52:6 55:2 56:2 57:23 58:640 59:633 60:399 61:1098 62:1044 63:2010 64:3797 65:2357 66:4114 67:1795 68:1040 69:2832 70:686 71:235 72:1865 73:2 74:2107 75:240 76:337 77:887 78:599 79:390 80:980 81:777 82:456 83:433 84:638 85:1008 86:384 87:689 88:417 89:1544 90:71 91:2724 92:423 93:1158 94:1382 95:555 96:217 97:295 98:494 99:23 100:1 109:333 110:294 111:443 112:234 113:223 114:370 115:531 116:1025 117:620 118:383 119:818 120:145 121:829 122:1410 123:874 124:1067 125:1286 128:196 129:203 130:140 131:486 132:88 133:16 134:194 135:42 136:220 137:175 138:238 139:91 140:466 141:132 142:377 143:347 144:395 145:51 146:410 147:192 148:571 149:203 150:146 151:169 152:250 153:166 154:2 155:275 156:179 157:332 158:99 159:355 160:305 161:177 162:268 163:166 164:310 165:462 166:502 167:388 168:760 169:157 170:570 171:48 172:3 173:483 174:537 175:52 180:315 183:225 184:5 186:303 187:206 188:1297 189:667 190:3515 192:5734 193:4441 194:3355 195:2782 196:1176 198:3537 199:3386 200:5296 201:1453 202:8042 203:8301 204:4029 205:2196 206:2497 207:2984 208:3917 209:3425 210:2540 211:1190 212:1670 213:1663 214:251 215:62 216:4471 217:1532 218:482 219:427 220:1071 221:379 222:306 End of report
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