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 18 Dec, 2010 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 338766 Prefixes after maximum aggregation: 153020 Deaggregation factor: 2.21 Unique aggregates announced to Internet: 166625 Total ASes present in the Internet Routing Table: 35498 Prefixes per ASN: 9.54 Origin-only ASes present in the Internet Routing Table: 30573 Origin ASes announcing only one prefix: 14921 Transit ASes present in the Internet Routing Table: 4925 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: 325 Unregistered ASNs in the Routing Table: 127 Number of 32-bit ASNs allocated by the RIRs: 960 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: 191 Number of addresses announced to Internet: 2341188448 Equivalent to 139 /8s, 139 /16s and 179 /24s Percentage of available address space announced: 63.2 Percentage of allocated address space announced: 65.2 Percentage of available address space allocated: 96.8 Percentage of address space in use by end-sites: 86.7 Total number of prefixes smaller than registry allocations: 139416 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 83366 Total APNIC prefixes after maximum aggregation: 28387 APNIC Deaggregation factor: 2.94 Prefixes being announced from the APNIC address blocks: 80309 Unique aggregates announced from the APNIC address blocks: 34993 APNIC Region origin ASes present in the Internet Routing Table: 4272 APNIC Prefixes per ASN: 18.80 APNIC Region origin ASes announcing only one prefix: 1204 APNIC Region transit ASes present in the Internet Routing Table: 693 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 575398688 Equivalent to 34 /8s, 75 /16s and 227 /24s Percentage of available APNIC address space announced: 77.9 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: 136919 Total ARIN prefixes after maximum aggregation: 69999 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 108053 Unique aggregates announced from the ARIN address blocks: 43916 ARIN Region origin ASes present in the Internet Routing Table: 14079 ARIN Prefixes per ASN: 7.67 ARIN Region origin ASes announcing only one prefix: 5392 ARIN Region transit ASes present in the Internet Routing Table: 1489 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 23 Number of ARIN addresses announced to Internet: 743817600 Equivalent to 44 /8s, 85 /16s and 193 /24s Percentage of available ARIN address space announced: 62.4 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: 79524 Total RIPE prefixes after maximum aggregation: 45494 RIPE Deaggregation factor: 1.75 Prefixes being announced from the RIPE address blocks: 73010 Unique aggregates announced from the RIPE address blocks: 47168 RIPE Region origin ASes present in the Internet Routing Table: 15132 RIPE Prefixes per ASN: 4.82 RIPE Region origin ASes announcing only one prefix: 7752 RIPE Region transit ASes present in the Internet Routing Table: 2342 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 30 Number of RIPE addresses announced to Internet: 451844992 Equivalent to 26 /8s, 238 /16s and 155 /24s Percentage of available RIPE address space announced: 74.8 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, 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: 30995 Total LACNIC prefixes after maximum aggregation: 7106 LACNIC Deaggregation factor: 4.36 Prefixes being announced from the LACNIC address blocks: 29743 Unique aggregates announced from the LACNIC address blocks: 15445 LACNIC Region origin ASes present in the Internet Routing Table: 1404 LACNIC Prefixes per ASN: 21.18 LACNIC Region origin ASes announcing only one prefix: 436 LACNIC Region transit ASes present in the Internet Routing Table: 252 Average LACNIC Region AS path length visible: 4.4 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 78639552 Equivalent to 4 /8s, 175 /16s and 241 /24s Percentage of available LACNIC address space announced: 58.6 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: 7724 Total AfriNIC prefixes after maximum aggregation: 1916 AfriNIC Deaggregation factor: 4.03 Prefixes being announced from the AfriNIC address blocks: 6024 Unique aggregates announced from the AfriNIC address blocks: 1777 AfriNIC Region origin ASes present in the Internet Routing Table: 430 AfriNIC Prefixes per ASN: 14.01 AfriNIC Region origin ASes announcing only one prefix: 137 AfriNIC Region transit ASes present in the Internet Routing Table: 93 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC addresses announced to Internet: 21619712 Equivalent to 1 /8s, 73 /16s and 228 /24s Percentage of available AfriNIC address space announced: 43.0 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 1867 9453 519 Korea Telecom (KIX) 7545 1558 299 76 TPG Internet Pty Ltd 4755 1406 651 138 TATA Communications formerly 17974 1342 459 28 PT TELEKOMUNIKASI INDONESIA 24560 1042 312 175 Bharti Airtel Ltd., Telemedia 9583 1041 76 488 Sify Limited 4808 996 1717 273 CNCGROUP IP network: China169 17488 954 157 111 Hathway IP Over Cable Interne 18101 909 116 139 Reliance Infocom Ltd Internet 9829 823 696 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 3734 3872 270 bellsouth.net, inc. 4323 2641 1077 399 Time Warner Telecom 19262 1836 4873 283 Verizon Global Networks 1785 1788 697 132 PaeTec Communications, Inc. 20115 1514 1531 640 Charter Communications 6478 1437 290 52 AT&T Worldnet Services 7018 1361 5652 872 AT&T WorldNet Services 2386 1313 570 933 AT&T Data Communications Serv 11492 1271 233 75 Cable One 22773 1257 2864 74 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 6830 503 1763 310 UPC Distribution Services 3292 443 2010 386 TDC Tele Danmark 34984 440 96 133 BILISIM TELEKOM 8866 439 133 23 Bulgarian Telecommunication C 9121 435 1690 29 TTnet Autonomous System 9198 417 202 13 Kazakhtelecom Data Network Ad 8551 402 353 46 Bezeq International 702 397 1864 311 UUNET - Commercial IP service 12479 393 577 6 Uni2 Autonomous System 3320 392 7609 344 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 8151 1347 2617 363 UniNet S.A. de C.V. 10620 1343 250 154 TVCABLE BOGOTA 28573 1225 933 79 NET Servicos de Comunicao S.A 6503 1187 355 80 AVANTEL, S.A. 7303 832 441 109 Telecom Argentina Stet-France 14420 584 49 88 CORPORACION NACIONAL DE TELEC 22047 565 310 15 VTR PUNTO NET S.A. 3816 494 216 101 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 1125 445 10 TEDATA 24863 746 147 39 LINKdotNET AS number 36992 658 276 158 Etisalat MISR 3741 263 986 225 The Internet Solution 24835 217 78 10 RAYA Telecom - Egypt 6713 203 199 12 Itissalat Al-MAGHRIB 29571 199 19 11 Ci Telecom Autonomous system 2018 196 277 64 Tertiary Education Network 33776 184 12 14 Starcomms Nigeria Limited 16637 161 440 88 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 3734 3872 270 bellsouth.net, inc. 4323 2641 1077 399 Time Warner Telecom 4766 1867 9453 519 Korea Telecom (KIX) 19262 1836 4873 283 Verizon Global Networks 1785 1788 697 132 PaeTec Communications, Inc. 7545 1558 299 76 TPG Internet Pty Ltd 20115 1514 1531 640 Charter Communications 6478 1437 290 52 AT&T Worldnet Services 4755 1406 651 138 TATA Communications formerly 7018 1361 5652 872 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 2641 2242 Time Warner Telecom 1785 1788 1656 PaeTec Communications, Inc. 19262 1836 1553 Verizon Global Networks 7545 1558 1482 TPG Internet Pty Ltd 6478 1437 1385 AT&T Worldnet Services 4766 1867 1348 Korea Telecom (KIX) 17974 1342 1314 PT TELEKOMUNIKASI INDONESIA 4755 1406 1268 TATA Communications formerly 11492 1271 1196 Cable One 10620 1343 1189 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 41.222.79.0/24 36938 >>UNKNOWN<< 41.223.92.0/22 36936 >>UNKNOWN<< 46.211.0.0/16 15895 Kyivstar GSM 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 /8:20 /9:10 /10:25 /11:70 /12:212 /13:431 /14:753 /15:1346 /16:11410 /17:5526 /18:9208 /19:18676 /20:23969 /21:24284 /22:31827 /23:30881 /24:177306 /25:991 /26:1065 /27:579 /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 3734 bellsouth.net, inc. 4323 1429 2641 Time Warner Telecom 6478 1394 1437 AT&T Worldnet Services 10620 1235 1343 TVCABLE BOGOTA 11492 1226 1271 Cable One 18566 1076 1095 Covad Communications 7011 1071 1174 Citizens Utilities 1785 1062 1788 PaeTec Communications, Inc. 8452 1021 1125 TEDATA 6503 972 1187 AVANTEL, S.A. Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:140 2:11 4:13 5:1 8:317 12:2034 13:6 14:94 15:17 16:3 17:8 20:9 24:1447 27:491 32:61 33:5 34:2 36:1 37:1 38:714 40:102 41:2716 42:1 44:3 46:387 47:4 49:73 50:27 52:12 55:3 56:2 57:29 58:858 59:502 60:393 61:1105 62:1047 63:1941 64:3718 65:2322 66:4082 67:1757 68:991 69:2815 70:714 71:389 72:1946 73:1 74:2283 75:289 76:319 77:852 78:746 79:434 80:1042 81:786 82:516 83:444 84:631 85:1053 86:514 87:708 88:406 89:1586 90:143 91:3342 92:473 93:1010 94:1129 95:698 96:409 97:247 98:709 99:33 101:3 107:2 108:77 109:813 110:474 111:671 112:309 113:321 114:478 115:639 116:890 117:655 118:608 119:1014 120:199 121:725 122:1570 123:1025 124:1232 125:1211 128:230 129:153 130:170 131:564 132:234 133:20 134:206 135:50 136:212 137:148 138:290 139:109 140:481 141:197 142:352 143:358 144:480 145:52 146:424 147:190 148:629 149:327 150:150 151:230 152:297 153:172 154:3 155:372 156:166 157:338 158:126 159:369 160:315 161:198 162:276 163:164 164:434 165:334 166:470 167:417 168:738 169:151 170:726 171:67 172:2 173:1142 174:475 175:264 176:1 177:2 178:654 180:726 182:467 183:241 184:190 186:839 187:773 188:889 189:1041 190:4225 192:5781 193:4795 194:3474 195:2888 196:1191 197:1 198:3535 199:3682 200:5543 201:1581 202:8252 203:8380 204:4048 205:2331 206:2522 207:2971 208:3857 209:3486 210:2559 211:1314 212:1887 213:1705 214:744 215:62 216:4791 217:1622 218:524 219:386 220:1175 221:443 222:342 223:81 End of report