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-st...@lists.apnic.net For historical data, please see http://thyme.apnic.net. If you have any comments please contact Philip Smith <p...@cisco.com>. Routing Table Report 04:00 +10GMT Sat 31 Jul, 2010 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 327096 Prefixes after maximum aggregation: 150524 Deaggregation factor: 2.17 Unique aggregates announced to Internet: 159810 Total ASes present in the Internet Routing Table: 34482 Prefixes per ASN: 9.49 Origin-only ASes present in the Internet Routing Table: 29935 Origin ASes announcing only one prefix: 14512 Transit ASes present in the Internet Routing Table: 4547 Transit-only ASes present in the Internet Routing Table: 101 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 38 Max AS path prepend of ASN (22394) 35 Prefixes from unregistered ASNs in the Routing Table: 306 Unregistered ASNs in the Routing Table: 113 Number of 32-bit ASNs allocated by the RIRs: 716 Prefixes from 32-bit ASNs in the Routing Table: 874 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 165 Number of addresses announced to Internet: 2281256256 Equivalent to 135 /8s, 249 /16s and 53 /24s Percentage of available address space announced: 61.5 Percentage of allocated address space announced: 66.4 Percentage of available address space allocated: 92.8 Percentage of address space in use by end-sites: 84.0 Total number of prefixes smaller than registry allocations: 155817 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 79192 Total APNIC prefixes after maximum aggregation: 27270 APNIC Deaggregation factor: 2.90 Prefixes being announced from the APNIC address blocks: 76117 Unique aggregates announced from the APNIC address blocks: 33644 APNIC Region origin ASes present in the Internet Routing Table: 4145 APNIC Prefixes per ASN: 18.36 APNIC Region origin ASes announcing only one prefix: 1154 APNIC Region transit ASes present in the Internet Routing Table: 633 Average APNIC Region AS path length visible: 3.7 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 536013088 Equivalent to 31 /8s, 242 /16s and 233 /24s Percentage of available APNIC address space announced: 79.9 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, 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, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 134849 Total ARIN prefixes after maximum aggregation: 69675 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 107709 Unique aggregates announced from the ARIN address blocks: 42178 ARIN Region origin ASes present in the Internet Routing Table: 13823 ARIN Prefixes per ASN: 7.79 ARIN Region origin ASes announcing only one prefix: 5299 ARIN Region transit ASes present in the Internet Routing Table: 1367 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 38 Number of ARIN addresses announced to Internet: 730011936 Equivalent to 43 /8s, 131 /16s and 25 /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, 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: 75230 Total RIPE prefixes after maximum aggregation: 43549 RIPE Deaggregation factor: 1.73 Prefixes being announced from the RIPE address blocks: 68351 Unique aggregates announced from the RIPE address blocks: 44695 RIPE Region origin ASes present in the Internet Routing Table: 14643 RIPE Prefixes per ASN: 4.67 RIPE Region origin ASes announcing only one prefix: 7534 RIPE Region transit ASes present in the Internet Routing Table: 2180 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 24 Number of RIPE addresses announced to Internet: 433696384 Equivalent to 25 /8s, 217 /16s and 174 /24s Percentage of available RIPE address space announced: 76.0 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: 29324 Total LACNIC prefixes after maximum aggregation: 6984 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 27836 Unique aggregates announced from the LACNIC address blocks: 14618 LACNIC Region origin ASes present in the Internet Routing Table: 1317 LACNIC Prefixes per ASN: 21.14 LACNIC Region origin ASes announcing only one prefix: 406 LACNIC Region transit ASes present in the Internet Routing Table: 232 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 26 Number of LACNIC addresses announced to Internet: 75899776 Equivalent to 4 /8s, 134 /16s and 35 /24s Percentage of available LACNIC address space announced: 56.5 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: 7377 Total AfriNIC prefixes after maximum aggregation: 1867 AfriNIC Deaggregation factor: 3.95 Prefixes being announced from the AfriNIC address blocks: 5682 Unique aggregates announced from the AfriNIC address blocks: 1606 AfriNIC Region origin ASes present in the Internet Routing Table: 384 AfriNIC Prefixes per ASN: 14.80 AfriNIC Region origin ASes announcing only one prefix: 119 AfriNIC Region transit ASes present in the Internet Routing Table: 88 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 19798016 Equivalent to 1 /8s, 46 /16s and 24 /24s Percentage of available AfriNIC address space announced: 59.0 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 1856 8409 488 Korea Telecom (KIX) 4755 1477 298 164 TATA Communications formerly 7545 1371 234 87 TPG Internet Pty Ltd 17488 1343 151 126 Hathway IP Over Cable Interne 17974 1186 287 60 PT TELEKOMUNIKASI INDONESIA 9583 1003 74 486 Sify Limited 24560 994 305 183 Bharti Airtel Ltd., Telemedia 4808 833 1582 225 CNCGROUP IP network: China169 9829 817 686 33 BSNL National Internet Backbo 4134 784 21996 412 CHINANET-BACKBONE 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 3881 3716 284 bellsouth.net, inc. 4323 2735 1116 397 Time Warner Telecom 19262 1947 4567 278 Verizon Global Networks 1785 1782 698 129 PaeTec Communications, Inc. 20115 1488 1522 653 Charter Communications 7018 1467 5733 953 AT&T WorldNet Services 2386 1286 554 908 AT&T Data Communications Serv 6478 1266 253 175 AT&T Worldnet Services 22773 1174 2858 61 Cox Communications, Inc. 11492 1160 209 90 Cable One 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 654 56 6 United Telecom of Georgia 9198 499 202 13 Kazakhtelecom Data Network Ad 3292 448 2026 389 TDC Tele Danmark 30890 444 111 206 Evolva Telecom 702 412 1853 324 UUNET - Commercial IP service 8866 403 117 18 Bulgarian Telecommunication C 8551 401 353 46 Bezeq International 3320 375 7329 327 Deutsche Telekom AG 3301 372 1414 327 TeliaNet Sweden 34984 364 89 183 BILISIM TELEKOM 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 1523 3048 247 UniNet S.A. de C.V. 10620 1072 240 149 TVCABLE BOGOTA 28573 1028 818 100 NET Servicos de Comunicao S.A 7303 775 396 104 Telecom Argentina Stet-France 6503 719 178 222 AVANTEL, S.A. 22047 555 310 15 VTR PUNTO NET S.A. 14420 537 34 74 CORPORACION NACIONAL DE TELEC 3816 494 210 90 Empresa Nacional de Telecomun 7738 477 922 30 Telecomunicacoes da Bahia S.A 11172 448 99 76 Servicios Alestra S.A de C.V 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 1177 445 10 TEDATA 24863 726 147 39 LINKdotNET AS number 36992 654 279 185 Etisalat MISR 3741 270 898 232 The Internet Solution 33776 220 12 12 Starcomms Nigeria Limited 2018 213 277 64 Tertiary Education Network 6713 195 186 16 Itissalat Al-MAGHRIB 29571 191 19 10 Ci Telecom Autonomous system 24835 189 78 9 RAYA Telecom - Egypt 16637 140 440 95 MTN Network Solutions 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 3881 3716 284 bellsouth.net, inc. 4323 2735 1116 397 Time Warner Telecom 19262 1947 4567 278 Verizon Global Networks 4766 1856 8409 488 Korea Telecom (KIX) 1785 1782 698 129 PaeTec Communications, Inc. 8151 1523 3048 247 UniNet S.A. de C.V. 20115 1488 1522 653 Charter Communications 4755 1477 298 164 TATA Communications formerly 7018 1467 5733 953 AT&T WorldNet Services 7545 1371 234 87 TPG Internet Pty Ltd Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 2735 2338 Time Warner Telecom 19262 1947 1669 Verizon Global Networks 1785 1782 1653 PaeTec Communications, Inc. 4766 1856 1368 Korea Telecom (KIX) 4755 1477 1313 TATA Communications formerly 7545 1371 1284 TPG Internet Pty Ltd 8151 1523 1276 UniNet S.A. de C.V. 17488 1343 1217 Hathway IP Over Cable Interne 8452 1177 1167 TEDATA 17974 1186 1126 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 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 24.38.240.0/21 33287 Comcast Cable Communications, 24.38.248.0/21 33287 Comcast Cable Communications, 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<< 41.223.188.0/24 22351 Intelsat 41.223.189.0/24 6453 Teleglobe Inc. 41.223.196.0/24 36990 Alkan Telecom Ltd 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 /8:21 /9:10 /10:25 /11:67 /12:198 /13:410 /14:709 /15:1296 /16:11182 /17:5376 /18:9196 /19:18500 /20:23144 /21:23148 /22:30166 /23:29780 /24:170707 /25:1051 /26:1192 /27:740 /28:118 /29:47 /30:6 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2485 3881 bellsouth.net, inc. 4766 1486 1856 Korea Telecom (KIX) 4323 1398 2735 Time Warner Telecom 1785 1244 1782 PaeTec Communications, Inc. 17488 1085 1343 Hathway IP Over Cable Interne 11492 1069 1160 Cable One 18566 1069 1088 Covad Communications 8452 1066 1177 TEDATA 10620 988 1072 TVCABLE BOGOTA 19262 913 1947 Verizon Global Networks Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:37 2:2 4:13 8:292 12:2016 13:7 14:1 15:21 16:3 17:8 20:6 24:1436 27:271 31:1 32:59 33:12 38:688 40:98 41:2487 44:3 46:17 47:16 52:9 55:6 56:2 57:28 58:770 59:508 60:462 61:1068 62:1038 63:1969 64:3713 65:2346 66:4052 67:1826 68:1096 69:2724 70:712 71:444 72:1944 73:2 74:2282 75:254 76:324 77:900 78:620 79:428 80:996 81:779 82:494 83:450 84:682 85:1043 86:466 87:686 88:332 89:1558 90:96 91:2896 92:507 93:1009 94:1410 95:666 96:529 97:210 98:618 99:33 100:1 108:105 109:587 110:434 111:515 112:273 113:314 114:434 115:573 116:1059 117:649 118:483 119:881 120:136 121:724 122:1517 123:950 124:1115 125:1304 128:226 129:163 130:196 131:558 132:247 133:16 134:196 135:45 136:240 137:135 138:267 139:104 140:480 141:197 142:340 143:370 144:469 145:52 146:446 147:170 148:673 149:299 150:153 151:228 152:297 153:168 154:2 155:356 156:160 157:324 158:110 159:360 160:315 161:182 162:255 163:173 164:410 165:366 166:460 167:413 168:645 169:157 170:716 171:59 172:2 173:959 174:505 175:161 176:1 178:329 180:478 182:163 183:242 184:122 186:529 187:409 188:1040 189:773 190:3861 192:5746 193:4719 194:3405 195:2818 196:1183 198:3571 199:3496 200:5355 201:1578 202:7963 203:8284 204:4042 205:2404 206:2506 207:3077 208:3874 209:3465 210:2549 211:1289 212:1714 213:1655 214:647 215:69 216:4729 217:1527 218:500 219:378 220:1143 221:399 222:313 223:2 End of report
