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 04 Dec, 2010 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 337120 Prefixes after maximum aggregation: 152448 Deaggregation factor: 2.21 Unique aggregates announced to Internet: 166104 Total ASes present in the Internet Routing Table: 35395 Prefixes per ASN: 9.52 Origin-only ASes present in the Internet Routing Table: 30484 Origin ASes announcing only one prefix: 14904 Transit ASes present in the Internet Routing Table: 4911 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: 599 Unregistered ASNs in the Routing Table: 272 Number of 32-bit ASNs allocated by the RIRs: 931 Prefixes from 32-bit ASNs in the Routing Table: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 189 Number of addresses announced to Internet: 2314105824 Equivalent to 137 /8s, 238 /16s and 115 /24s Percentage of available address space announced: 62.4 Percentage of allocated address space announced: 64.5 Percentage of available address space allocated: 96.8 Percentage of address space in use by end-sites: 86.4 Total number of prefixes smaller than registry allocations: 138390 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 83266 Total APNIC prefixes after maximum aggregation: 28276 APNIC Deaggregation factor: 2.94 Prefixes being announced from the APNIC address blocks: 80189 Unique aggregates announced from the APNIC address blocks: 35123 APNIC Region origin ASes present in the Internet Routing Table: 4255 APNIC Prefixes per ASN: 18.85 APNIC Region origin ASes announcing only one prefix: 1199 APNIC Region transit ASes present in the Internet Routing Table: 686 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 571205152 Equivalent to 34 /8s, 11 /16s and 230 /24s Percentage of available APNIC address space announced: 77.4 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, 42/8, 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: 136457 Total ARIN prefixes after maximum aggregation: 69829 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 107499 Unique aggregates announced from the ARIN address blocks: 43811 ARIN Region origin ASes present in the Internet Routing Table: 14051 ARIN Prefixes per ASN: 7.65 ARIN Region origin ASes announcing only one prefix: 5385 ARIN Region transit ASes present in the Internet Routing Table: 1496 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 23 Number of ARIN addresses announced to Internet: 741381376 Equivalent to 44 /8s, 48 /16s and 149 /24s Percentage of available ARIN address space announced: 62.2 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: 78636 Total RIPE prefixes after maximum aggregation: 45198 RIPE Deaggregation factor: 1.74 Prefixes being announced from the RIPE address blocks: 72182 Unique aggregates announced from the RIPE address blocks: 46814 RIPE Region origin ASes present in the Internet Routing Table: 15076 RIPE Prefixes per ASN: 4.79 RIPE Region origin ASes announcing only one prefix: 7740 RIPE Region transit ASes present in the Internet Routing Table: 2341 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 30 Number of RIPE addresses announced to Internet: 448559424 Equivalent to 26 /8s, 188 /16s and 121 /24s Percentage of available RIPE address space announced: 74.3 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, 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: 30812 Total LACNIC prefixes after maximum aggregation: 7123 LACNIC Deaggregation factor: 4.33 Prefixes being announced from the LACNIC address blocks: 29537 Unique aggregates announced from the LACNIC address blocks: 15338 LACNIC Region origin ASes present in the Internet Routing Table: 1406 LACNIC Prefixes per ASN: 21.01 LACNIC Region origin ASes announcing only one prefix: 446 LACNIC Region transit ASes present in the Internet Routing Table: 244 Average LACNIC Region AS path length visible: 4.4 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 78293760 Equivalent to 4 /8s, 170 /16s and 171 /24s Percentage of available LACNIC address space announced: 58.3 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: 7707 Total AfriNIC prefixes after maximum aggregation: 1901 AfriNIC Deaggregation factor: 4.05 Prefixes being announced from the AfriNIC address blocks: 5966 Unique aggregates announced from the AfriNIC address blocks: 1755 AfriNIC Region origin ASes present in the Internet Routing Table: 423 AfriNIC Prefixes per ASN: 14.10 AfriNIC Region origin ASes announcing only one prefix: 134 AfriNIC Region transit ASes present in the Internet Routing Table: 92 Average AfriNIC Region AS path length visible: 5.2 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC addresses announced to Internet: 21737728 Equivalent to 1 /8s, 75 /16s and 177 /24s Percentage of available AfriNIC address space announced: 43.2 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 1862 9449 512 Korea Telecom (KIX) 7545 1467 299 80 TPG Internet Pty Ltd 4755 1391 639 157 TATA Communications formerly 17488 1371 157 121 Hathway IP Over Cable Interne 17974 1318 459 27 PT TELEKOMUNIKASI INDONESIA 9583 1036 75 487 Sify Limited 24560 1030 309 166 Bharti Airtel Ltd., Telemedia 4808 985 1715 268 CNCGROUP IP network: China169 18101 908 116 139 Reliance Infocom Ltd Internet 9829 835 696 31 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 3736 3887 270 bellsouth.net, inc. 4323 2650 1088 402 Time Warner Telecom 19262 1833 4861 281 Verizon Global Networks 1785 1791 697 132 PaeTec Communications, Inc. 20115 1508 1530 636 Charter Communications 6478 1414 285 102 AT&T Worldnet Services 7018 1386 5671 884 AT&T WorldNet Services 2386 1308 572 926 AT&T Data Communications Serv 22773 1256 2864 72 Cox Communications, Inc. 11492 1239 233 73 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 457 1757 271 UPC Distribution Services 3292 443 2010 385 TDC Tele Danmark 8866 430 133 23 Bulgarian Telecommunication C 34984 419 92 191 BILISIM TELEKOM 9198 413 202 13 Kazakhtelecom Data Network Ad 8551 402 353 46 Bezeq International 702 396 1864 310 UUNET - Commercial IP service 12479 391 577 6 Uni2 Autonomous System 3301 381 1696 336 TeliaNet Sweden 3320 381 7317 334 Deutsche Telekom AG 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 1344 250 156 TVCABLE BOGOTA 8151 1341 2627 365 UniNet S.A. de C.V. 28573 1197 932 78 NET Servicos de Comunicao S.A 6503 1170 355 80 AVANTEL, S.A. 7303 831 441 106 Telecom Argentina Stet-France 14420 579 49 87 CORPORACION NACIONAL DE TELEC 22047 563 310 15 VTR PUNTO NET S.A. 3816 493 214 97 Empresa Nacional de Telecomun 7738 478 922 30 Telecomunicacoes da Bahia S.A 14117 452 32 30 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 1108 445 10 TEDATA 24863 744 147 39 LINKdotNET AS number 36992 658 278 159 Etisalat MISR 3741 263 986 225 The Internet Solution 6713 203 199 12 Itissalat Al-MAGHRIB 24835 198 78 10 RAYA Telecom - Egypt 29571 197 19 11 Ci Telecom Autonomous system 2018 196 277 64 Tertiary Education Network 33776 195 12 14 Starcomms Nigeria Limited 16637 162 440 89 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 3736 3887 270 bellsouth.net, inc. 4323 2650 1088 402 Time Warner Telecom 4766 1862 9449 512 Korea Telecom (KIX) 19262 1833 4861 281 Verizon Global Networks 1785 1791 697 132 PaeTec Communications, Inc. 20115 1508 1530 636 Charter Communications 7545 1467 299 80 TPG Internet Pty Ltd 6478 1414 285 102 AT&T Worldnet Services 4755 1391 639 157 TATA Communications formerly 7018 1386 5671 884 AT&T WorldNet Services 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 2650 2248 Time Warner Telecom 1785 1791 1659 PaeTec Communications, Inc. 19262 1833 1552 Verizon Global Networks 7545 1467 1387 TPG Internet Pty Ltd 4766 1862 1350 Korea Telecom (KIX) 6478 1414 1312 AT&T Worldnet Services 17974 1318 1291 PT TELEKOMUNIKASI INDONESIA 17488 1371 1250 Hathway IP Over Cable Interne 4755 1391 1234 TATA Communications formerly 10620 1344 1188 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 46164 UNALLOCATED 4.23.88.0/24 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.23.89.0/24 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.23.92.0/23 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.23.94.0/23 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.38.0.0/21 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.38.8.0/21 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.43.50.0/24 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.43.51.0/24 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.67.96.0/21 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.67.104.0/21 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 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 41.222.79.0/24 36938 >>UNKNOWN<< 41.223.92.0/22 36936 >>UNKNOWN<< 46.183.72.0/21 51941 >>UNKNOWN<< 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 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 /11:70 /12:210 /13:428 /14:749 /15:1336 /16:11346 /17:5491 /18:9149 /19:18581 /20:23839 /21:24131 /22:31737 /23:30519 /24:176659 /25:981 /26:1076 /27:587 /28:155 /29:12 /30:2 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2306 3736 bellsouth.net, inc. 4323 1431 2650 Time Warner Telecom 6478 1372 1414 AT&T Worldnet Services 10620 1236 1344 TVCABLE BOGOTA 11492 1197 1239 Cable One 18566 1070 1089 Covad Communications 7011 1069 1171 Citizens Utilities 1785 1065 1791 PaeTec Communications, Inc. 8452 973 1108 TEDATA 6503 955 1170 AVANTEL, S.A. Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:105 2:24 4:13 5:1 8:316 12:2024 13:6 14:83 15:17 16:3 17:8 20:10 24:1415 27:466 32:61 33:7 34:2 36:1 37:1 38:712 40:101 41:2642 42:1 44:3 46:306 47:10 49:34 50:16 52:12 55:7 56:2 57:29 58:857 59:501 60:482 61:1108 62:1020 63:1943 64:3708 65:2320 66:4089 67:1755 68:999 69:2819 70:717 71:389 72:1923 74:2282 75:287 76:319 77:865 78:691 79:435 80:1056 81:799 82:508 83:445 84:631 85:1030 86:490 87:703 88:395 89:1582 90:128 91:3272 92:455 93:1014 94:1097 95:686 96:405 97:244 98:695 99:33 101:3 107:2 108:69 109:771 110:426 111:667 112:310 113:318 114:479 115:646 116:1133 117:658 118:582 119:1013 120:182 121:713 122:1543 123:972 124:1227 125:1282 128:228 129:152 130:171 131:565 132:234 133:20 134:208 135:46 136:213 137:146 138:288 139:109 140:480 141:195 142:348 143:524 144:485 145:54 146:426 147:178 148:641 149:328 150:149 151:231 152:294 153:173 154:3 155:367 156:167 157:339 158:126 159:366 160:308 161:199 162:276 163:166 164:433 165:332 166:466 167:422 168:709 169:151 170:724 171:67 172:2 173:1124 174:431 175:256 176:1 178:652 180:713 182:523 183:242 184:185 186:886 187:749 188:875 189:1017 190:4229 192:5777 193:4801 194:3470 195:2888 196:1222 197:1 198:3533 199:3660 200:5485 201:1575 202:8254 203:8356 204:4046 205:2337 206:2518 207:2979 208:3857 209:3458 210:2535 211:1307 212:1801 213:1721 214:704 215:62 216:4748 217:1606 218:518 219:399 220:1184 221:436 222:342 223:76 End of report