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@lists.apnic.net For historical data, please see http://thyme.rand.apnic.net. If you have any comments please contact Philip Smith <pfs@cisco.com>. Routing Table Report 04:00 +10GMT Sat 05 Feb, 2011 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 344448 Prefixes after maximum aggregation: 155332 Deaggregation factor: 2.22 Unique aggregates announced to Internet: 170039 Total ASes present in the Internet Routing Table: 35787 Prefixes per ASN: 9.62 Origin-only ASes present in the Internet Routing Table: 30852 Origin ASes announcing only one prefix: 14951 Transit ASes present in the Internet Routing Table: 4935 Transit-only ASes present in the Internet Routing Table: 119 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: 397 Unregistered ASNs in the Routing Table: 129 Number of 32-bit ASNs allocated by the RIRs: 1077 Prefixes from 32-bit ASNs in the Routing Table: 1 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 203 Number of addresses announced to Internet: 2380656448 Equivalent to 141 /8s, 229 /16s and 239 /24s Percentage of available address space announced: 64.2 Percentage of allocated address space announced: 65.7 Percentage of available address space allocated: 97.7 Percentage of address space in use by end-sites: 88.1 Total number of prefixes smaller than registry allocations: 142101 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 85206 Total APNIC prefixes after maximum aggregation: 28888 APNIC Deaggregation factor: 2.95 Prefixes being announced from the APNIC address blocks: 81892 Unique aggregates announced from the APNIC address blocks: 35574 APNIC Region origin ASes present in the Internet Routing Table: 4314 APNIC Prefixes per ASN: 18.98 APNIC Region origin ASes announcing only one prefix: 1208 APNIC Region transit ASes present in the Internet Routing Table: 687 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 586924320 Equivalent to 34 /8s, 251 /16s and 193 /24s Percentage of available APNIC address space announced: 76.1 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, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 106/8, 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: 138523 Total ARIN prefixes after maximum aggregation: 70948 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 109351 Unique aggregates announced from the ARIN address blocks: 44581 ARIN Region origin ASes present in the Internet Routing Table: 14172 ARIN Prefixes per ASN: 7.72 ARIN Region origin ASes announcing only one prefix: 5410 ARIN Region transit ASes present in the Internet Routing Table: 1468 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 23 Number of ARIN addresses announced to Internet: 751911808 Equivalent to 44 /8s, 209 /16s and 67 /24s Percentage of available ARIN address space announced: 63.1 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, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 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, 100/8, 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: 81469 Total RIPE prefixes after maximum aggregation: 46272 RIPE Deaggregation factor: 1.76 Prefixes being announced from the RIPE address blocks: 74776 Unique aggregates announced from the RIPE address blocks: 48554 RIPE Region origin ASes present in the Internet Routing Table: 15262 RIPE Prefixes per ASN: 4.90 RIPE Region origin ASes announcing only one prefix: 7770 RIPE Region transit ASes present in the Internet Routing Table: 2373 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 30 Number of RIPE addresses announced to Internet: 457667392 Equivalent to 27 /8s, 71 /16s and 115 /24s Percentage of available RIPE address space announced: 75.8 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, 56320-58367 196608-198655 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 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: 31580 Total LACNIC prefixes after maximum aggregation: 7273 LACNIC Deaggregation factor: 4.34 Prefixes being announced from the LACNIC address blocks: 30338 Unique aggregates announced from the LACNIC address blocks: 15849 LACNIC Region origin ASes present in the Internet Routing Table: 1424 LACNIC Prefixes per ASN: 21.30 LACNIC Region origin ASes announcing only one prefix: 430 LACNIC Region transit ASes present in the Internet Routing Table: 250 Average LACNIC Region AS path length visible: 4.4 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 80422528 Equivalent to 4 /8s, 203 /16s and 38 /24s Percentage of available LACNIC address space announced: 59.9 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: 7450 Total AfriNIC prefixes after maximum aggregation: 1839 AfriNIC Deaggregation factor: 4.05 Prefixes being announced from the AfriNIC address blocks: 5872 Unique aggregates announced from the AfriNIC address blocks: 1790 AfriNIC Region origin ASes present in the Internet Routing Table: 436 AfriNIC Prefixes per ASN: 13.47 AfriNIC Region origin ASes announcing only one prefix: 132 AfriNIC Region transit ASes present in the Internet Routing Table: 96 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC addresses announced to Internet: 21818624 Equivalent to 1 /8s, 76 /16s and 237 /24s Percentage of available AfriNIC address space announced: 43.3 AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 105/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4766 1914 9485 525 Korea Telecom (KIX) 7545 1619 301 84 TPG Internet Pty Ltd 4755 1409 637 161 TATA Communications formerly 17974 1391 467 27 PT TELEKOMUNIKASI INDONESIA 24560 1099 318 182 Bharti Airtel Ltd., Telemedia 9583 1044 76 490 Sify Limited 4808 1034 2130 292 CNCGROUP IP network: China169 17488 952 162 104 Hathway IP Over Cable Interne 18101 928 117 144 Reliance Infocom Ltd Internet 9829 895 762 41 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 3704 3855 265 bellsouth.net, inc. 4323 2622 1109 403 Time Warner Telecom 19262 1842 4949 287 Verizon Global Networks 1785 1784 697 132 PaeTec Communications, Inc. 20115 1522 1532 642 Charter Communications 6478 1482 291 81 AT&T Worldnet Services 7018 1353 6673 871 AT&T WorldNet Services 2386 1295 553 933 AT&T Data Communications Serv 22773 1278 2865 78 Cox Communications, Inc. 11492 1264 235 79 Cable One 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 6830 515 1764 319 UPC Distribution Services 9198 464 266 14 Kazakhtelecom Data Network Ad 34984 458 97 137 BILISIM TELEKOM 3292 447 2011 390 TDC Tele Danmark 8866 440 133 23 Bulgarian Telecommunication C 3320 407 7620 355 Deutsche Telekom AG 8551 403 353 46 Bezeq International 702 397 1817 310 UUNET - Commercial IP service 20940 387 89 296 Akamai Technologies European 3301 382 1822 340 TeliaNet Sweden 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 10620 1357 252 162 TVCABLE BOGOTA 8151 1332 2647 359 UniNet S.A. de C.V. 28573 1238 961 82 NET Servicos de Comunicao S.A 6503 1187 355 78 AVANTEL, S.A. 7303 882 461 112 Telecom Argentina Stet-France 14420 625 56 93 CORPORACION NACIONAL DE TELEC 22047 548 310 15 VTR PUNTO NET S.A. 3816 500 220 94 Empresa Nacional de Telecomun 7738 478 922 30 Telecomunicacoes da Bahia S.A 14117 456 34 31 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 800 445 11 TEDATA 24863 761 147 39 LINKdotNET AS number 36992 635 329 19 Etisalat MISR 3741 264 987 226 The Internet Solution 24835 217 78 10 RAYA Telecom - Egypt 6713 203 199 12 Itissalat Al-MAGHRIB 33776 194 12 15 Starcomms Nigeria Limited 29571 192 17 11 Ci Telecom Autonomous system 16637 146 422 83 MTN Network Solutions 29975 132 490 17 Vodacom 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 3704 3855 265 bellsouth.net, inc. 4323 2622 1109 403 Time Warner Telecom 4766 1914 9485 525 Korea Telecom (KIX) 19262 1842 4949 287 Verizon Global Networks 1785 1784 697 132 PaeTec Communications, Inc. 7545 1619 301 84 TPG Internet Pty Ltd 20115 1522 1532 642 Charter Communications 6478 1482 291 81 AT&T Worldnet Services 4755 1409 637 161 TATA Communications formerly 17974 1391 467 27 PT TELEKOMUNIKASI INDONESIA 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 2622 2219 Time Warner Telecom 1785 1784 1652 PaeTec Communications, Inc. 19262 1842 1555 Verizon Global Networks 7545 1619 1535 TPG Internet Pty Ltd 6478 1482 1401 AT&T Worldnet Services 4766 1914 1389 Korea Telecom (KIX) 17974 1391 1364 PT TELEKOMUNIKASI INDONESIA 4755 1409 1248 TATA Communications formerly 22773 1278 1200 Cox Communications, Inc. 10620 1357 1195 TVCABLE BOGOTA 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 5.0.0.0/16 12654 RIPE NCC RIS Project 5.1.0.0/21 12654 RIPE NCC RIS Project 5.1.24.0/24 12654 RIPE NCC RIS Project 24.129.192.0/19 7922 Continental Cablevision 37.0.0.0/16 12654 RIPE NCC RIS Project 37.1.0.0/21 12654 RIPE NCC RIS Project 37.1.24.0/24 12654 RIPE NCC RIS Project 41.78.192.0/22 30999 Emtel is GSM, 3G and ISP in M 41.78.228.0/22 5713 Telkom SA Ltd 41.222.79.0/24 36938 >>UNKNOWN<< 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 /9:11 /10:26 /11:72 /12:221 /13:445 /14:772 /15:1371 /16:11547 /17:5632 /18:9292 /19:18815 /20:24292 /21:24666 /22:32814 /23:31471 /24:180138 /25:995 /26:1072 /27:587 /28:163 /29:16 /30:3 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2283 3704 bellsouth.net, inc. 6478 1436 1482 AT&T Worldnet Services 4323 1412 2622 Time Warner Telecom 10620 1248 1357 TVCABLE BOGOTA 11492 1221 1264 Cable One 18566 1160 1182 Covad Communications 7011 1063 1164 Citizens Utilities 1785 1053 1784 PaeTec Communications, Inc. 6503 963 1187 AVANTEL, S.A. 19262 954 1842 Verizon Global Networks Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:169 2:39 4:13 5:1 8:334 12:2027 13:1 14:396 15:15 16:3 17:8 20:9 23:1 24:1465 27:570 32:61 33:5 34:2 37:1 38:695 40:101 41:2326 44:3 46:563 47:5 49:143 50:84 52:12 55:5 56:2 57:31 58:866 59:483 60:391 61:1116 62:1065 63:1919 64:3753 65:2358 66:4116 67:1760 68:1004 69:2878 70:717 71:397 72:1992 73:1 74:2322 75:293 76:329 77:848 78:702 79:440 80:1044 81:808 82:534 83:473 84:645 85:1046 86:533 87:732 88:356 89:1584 90:157 91:3458 92:494 93:1038 94:1195 95:791 96:416 97:250 98:759 99:33 101:23 107:3 108:82 109:863 110:472 111:693 112:312 113:354 114:495 115:641 116:922 117:676 118:649 119:1020 120:240 121:698 122:1612 123:1053 124:1269 125:1216 128:264 129:152 130:172 131:567 132:110 133:20 134:217 135:49 136:216 137:147 138:290 139:120 140:490 141:196 142:362 143:376 144:483 145:51 146:425 147:193 148:626 149:273 150:151 151:230 152:306 153:177 154:3 155:347 156:173 157:342 158:128 159:380 160:315 161:205 162:278 163:159 164:486 165:338 166:481 167:420 168:741 169:152 170:750 171:66 172:2 173:1275 174:521 175:314 176:1 177:12 178:752 180:778 182:340 183:250 184:208 186:988 187:790 188:912 189:1053 190:4357 192:5785 193:4800 194:3500 195:2946 196:1176 197:3 198:3579 199:3755 200:5592 201:1579 202:8263 203:8417 204:4097 205:2341 206:2632 207:3083 208:3884 209:3499 210:2641 211:1332 212:1859 213:1717 214:757 215:62 216:4796 217:1615 218:528 219:376 220:1202 221:449 222:319 223:95 End of report