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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Oct 8 21:12:02 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 09 Oct, 2010 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 332924 Prefixes after maximum aggregation: 152886 Deaggregation factor: 2.18 Unique aggregates announced to Internet: 163608 Total ASes present in the Internet Routing Table: 34937 Prefixes per ASN: 9.53 Origin-only ASes present in the Internet Routing Table: 30306 Origin ASes announcing only one prefix: 14711 Transit ASes present in the Internet Routing Table: 4631 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: 3825 Unregistered ASNs in the Routing Table: 1691 Number of 32-bit ASNs allocated by the RIRs: 809 Prefixes from 32-bit ASNs in the Routing Table: 1141 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 217 Number of addresses announced to Internet: 2278375680 Equivalent to 135 /8s, 205 /16s and 65 /24s Percentage of available address space announced: 61.5 Percentage of allocated address space announced: 65.6 Percentage of available address space allocated: 93.7 Percentage of address space in use by end-sites: 85.1 Total number of prefixes smaller than registry allocations: 136876 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 81350 Total APNIC prefixes after maximum aggregation: 27868 APNIC Deaggregation factor: 2.92 Prefixes being announced from the APNIC address blocks: 78281 Unique aggregates announced from the APNIC address blocks: 34323 APNIC Region origin ASes present in the Internet Routing Table: 4200 APNIC Prefixes per ASN: 18.64 APNIC Region origin ASes announcing only one prefix: 1172 APNIC Region transit ASes present in the Internet Routing Table: 647 Average APNIC Region AS path length visible: 3.7 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 551177312 Equivalent to 32 /8s, 218 /16s and 76 /24s Percentage of available APNIC address space announced: 78.2 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: 135954 Total ARIN prefixes after maximum aggregation: 70173 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 108553 Unique aggregates announced from the ARIN address blocks: 43351 ARIN Region origin ASes present in the Internet Routing Table: 13936 ARIN Prefixes per ASN: 7.79 ARIN Region origin ASes announcing only one prefix: 5326 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: 737000992 Equivalent to 43 /8s, 237 /16s and 190 /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: 76620 Total RIPE prefixes after maximum aggregation: 44371 RIPE Deaggregation factor: 1.73 Prefixes being announced from the RIPE address blocks: 70070 Unique aggregates announced from the RIPE address blocks: 45843 RIPE Region origin ASes present in the Internet Routing Table: 14868 RIPE Prefixes per ASN: 4.71 RIPE Region origin ASes announcing only one prefix: 7661 RIPE Region transit ASes present in the Internet Routing Table: 2235 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 24 Number of RIPE addresses announced to Internet: 440693376 Equivalent to 26 /8s, 68 /16s and 114 /24s Percentage of available RIPE address space announced: 77.3 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: 30164 Total LACNIC prefixes after maximum aggregation: 7163 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 28958 Unique aggregates announced from the LACNIC address blocks: 15115 LACNIC Region origin ASes present in the Internet Routing Table: 1361 LACNIC Prefixes per ASN: 21.28 LACNIC Region origin ASes announcing only one prefix: 429 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: 17 Number of LACNIC addresses announced to Internet: 76059264 Equivalent to 4 /8s, 136 /16s and 146 /24s Percentage of available LACNIC address space announced: 56.7 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: 7442 Total AfriNIC prefixes after maximum aggregation: 1892 AfriNIC Deaggregation factor: 3.93 Prefixes being announced from the AfriNIC address blocks: 5735 Unique aggregates announced from the AfriNIC address blocks: 1696 AfriNIC Region origin ASes present in the Internet Routing Table: 406 AfriNIC Prefixes per ASN: 14.13 AfriNIC Region origin ASes announcing only one prefix: 123 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: 20856320 Equivalent to 1 /8s, 62 /16s and 62 /24s Percentage of available AfriNIC address space announced: 62.2 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 1865 9437 510 Korea Telecom (KIX) 7545 1412 297 82 TPG Internet Pty Ltd 4755 1367 380 158 TATA Communications formerly 17488 1360 156 122 Hathway IP Over Cable Interne 17974 1258 302 79 PT TELEKOMUNIKASI INDONESIA 24560 1045 303 180 Bharti Airtel Ltd., Telemedia 9583 1033 77 497 Sify Limited 4808 936 1714 261 CNCGROUP IP network: China169 18101 885 100 132 Reliance Infocom Ltd Internet 9829 816 692 33 BSNL National Internet Backbo 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 3774 3667 278 bellsouth.net, inc. 4323 2612 1108 390 Time Warner Telecom 1785 1795 698 131 PaeTec Communications, Inc. 19262 1779 4833 279 Verizon Global Networks 20115 1501 1519 649 Charter Communications 7018 1468 5729 941 AT&T WorldNet Services 6478 1368 277 109 AT&T Worldnet Services 2386 1309 555 923 AT&T Data Communications Serv 11492 1222 230 71 Cable One 22773 1204 2858 61 Cox Communications, Inc. 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 450 2028 391 TDC Tele Danmark 8866 419 119 24 Bulgarian Telecommunication C 702 404 1869 318 UUNET - Commercial IP service 8551 402 353 46 Bezeq International 34984 379 91 186 BILISIM TELEKOM 3301 378 1688 334 TeliaNet Sweden 3320 377 7329 328 Deutsche Telekom AG 30890 374 79 203 Evolva Telecom 12479 372 576 5 Uni2 Autonomous System 31148 353 19 77 FreeNet ISP 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 1342 2571 368 UniNet S.A. de C.V. 10620 1333 247 150 TVCABLE BOGOTA 28573 1175 909 87 NET Servicos de Comunicao S.A 7303 805 440 90 Telecom Argentina Stet-France 6503 759 223 259 AVANTEL, S.A. 27947 566 64 92 Telconet S.A 22047 558 310 15 VTR PUNTO NET S.A. 14420 540 39 78 CORPORACION NACIONAL DE TELEC 3816 484 210 95 Empresa Nacional de Telecomun 7738 478 922 30 Telecomunicacoes da Bahia 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 8452 1046 445 10 TEDATA 24863 738 147 39 LINKdotNET AS number 36992 651 279 174 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 16637 170 440 92 MTN Network Solutions 24835 165 78 9 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 3774 3667 278 bellsouth.net, inc. 4323 2612 1108 390 Time Warner Telecom 4766 1865 9437 510 Korea Telecom (KIX) 1785 1795 698 131 PaeTec Communications, Inc. 19262 1779 4833 279 Verizon Global Networks 20115 1501 1519 649 Charter Communications 7018 1468 5729 941 AT&T WorldNet Services 7545 1412 297 82 TPG Internet Pty Ltd 6478 1368 277 109 AT&T Worldnet Services 4755 1367 380 158 TATA Communications formerly Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 2612 2222 Time Warner Telecom 1785 1795 1664 PaeTec Communications, Inc. 19262 1779 1500 Verizon Global Networks 4766 1865 1355 Korea Telecom (KIX) 7545 1412 1330 TPG Internet Pty Ltd 6478 1368 1259 AT&T Worldnet Services 17488 1360 1238 Hathway IP Over Cable Interne 4755 1367 1209 TATA Communications formerly 10620 1333 1183 TVCABLE BOGOTA 17974 1258 1179 PT TELEKOMUNIKASI INDONESIA Complete listing at http://thyme.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 40331 UNALLOCATED 8.11.167.0/24 7018 AT&T WorldNet Servic 11946 UNALLOCATED 8.12.155.0/24 40913 Quality Technology S 15040 UNALLOCATED 8.12.156.0/24 3356 Level 3 Communicatio 53317 UNALLOCATED 8.14.38.0/24 3356 Level 3 Communicatio 33084 UNALLOCATED 8.15.195.0/24 3356 Level 3 Communicatio 18826 UNALLOCATED 8.17.208.0/20 2828 XO Communications 16734 UNALLOCATED 8.18.204.0/24 26914 Global Netoptex, Inc 53562 UNALLOCATED 8.19.94.0/24 3356 Level 3 Communicatio 23200 UNALLOCATED 8.20.243.0/24 25653 Pegasus Web Technolo 22015 UNALLOCATED 8.22.137.0/24 14989 Broadview Networks 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<< 41.223.196.0/24 36990 Alkan Telecom Ltd 41.223.197.0/24 36990 Alkan Telecom Ltd 41.223.198.0/24 36990 Alkan Telecom Ltd 41.223.199.0/24 36990 Alkan Telecom Ltd 46.16.160.0/24 43584 RIPE Network Coordination Cen 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 /8:19 /9:10 /10:25 /11:67 /12:203 /13:419 /14:733 /15:1327 /16:11300 /17:5483 /18:9304 /19:18494 /20:23668 /21:23842 /22:31149 /23:30417 /24:173673 /25:983 /26:1080 /27:564 /28:143 /29:12 /30:2 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2337 3774 bellsouth.net, inc. 4323 1408 2612 Time Warner Telecom 6478 1332 1368 AT&T Worldnet Services 10620 1221 1333 TVCABLE BOGOTA 11492 1179 1222 Cable One 1785 1075 1795 PaeTec Communications, Inc. 7011 1056 1156 Citizens Utilities 18566 1039 1058 Covad Communications 8452 957 1046 TEDATA 19262 905 1779 Verizon Global Networks Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:78 2:17 4:13 8:313 12:2003 13:8 14:33 15:20 16:3 17:9 20:8 24:1379 27:361 31:1 32:61 33:12 38:701 40:97 41:2509 44:3 46:151 47:11 49:4 52:12 55:5 56:2 57:30 58:830 59:501 60:480 61:1087 62:1031 63:1974 64:3738 65:2329 66:4065 67:1847 68:1146 69:2849 70:755 71:375 72:1935 73:2 74:2308 75:288 76:322 77:876 78:696 79:432 80:1042 81:818 82:502 83:459 84:687 85:1039 86:433 87:693 88:323 89:1565 90:106 91:3098 92:437 93:1027 94:1109 95:746 96:385 97:220 98:630 99:32 101:3 108:64 109:715 110:436 111:584 112:293 113:288 114:475 115:603 116:1111 117:655 118:534 119:973 120:203 121:717 122:1565 123:914 124:1230 125:1270 128:227 129:157 130:170 131:559 132:273 133:20 134:207 135:46 136:214 137:140 138:276 139:109 140:478 141:196 142:348 143:384 144:479 145:54 146:428 147:173 148:616 149:305 150:148 151:233 152:295 153:172 154:3 155:368 156:169 157:317 158:113 159:359 160:313 161:190 162:269 163:166 164:422 165:368 166:468 167:418 168:679 169:157 170:708 171:63 172:2 173:1005 174:558 175:176 176:1 177:1 178:534 180:676 181:1 182:235 183:228 184:126 186:733 187:502 188:839 189:823 190:4124 192:5770 193:4739 194:3431 195:2830 196:1192 198:3544 199:3600 200:5408 201:1579 202:8172 203:8316 204:4019 205:2319 206:2542 207:3038 208:3882 209:3482 210:2553 211:1283 212:1762 213:1716 214:667 215:66 216:4786 217:1583 218:491 219:401 220:1168 221:427 222:341 223:51 End of report
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