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, 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 <pfsinoz@gmail.com>. Routing Table Report 04:00 +10GMT Sat 20 Dec, 2014 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 524220 Prefixes after maximum aggregation: 201371 Deaggregation factor: 2.60 Unique aggregates announced to Internet: 256071 Total ASes present in the Internet Routing Table: 48913 Prefixes per ASN: 10.72 Origin-only ASes present in the Internet Routing Table: 36386 Origin ASes announcing only one prefix: 16306 Transit ASes present in the Internet Routing Table: 6197 Transit-only ASes present in the Internet Routing Table: 169 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 100 Max AS path prepend of ASN ( 55644) 93 Prefixes from unregistered ASNs in the Routing Table: 1677 Unregistered ASNs in the Routing Table: 432 Number of 32-bit ASNs allocated by the RIRs: 8219 Number of 32-bit ASNs visible in the Routing Table: 6330 Prefixes from 32-bit ASNs in the Routing Table: 22772 Number of bogon 32-bit ASNs visible in the Routing Table: 6 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 395 Number of addresses announced to Internet: 2718041476 Equivalent to 162 /8s, 2 /16s and 5 /24s Percentage of available address space announced: 73.4 Percentage of allocated address space announced: 73.4 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 97.0 Total number of prefixes smaller than registry allocations: 177575 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 129144 Total APNIC prefixes after maximum aggregation: 37575 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 133907 Unique aggregates announced from the APNIC address blocks: 54644 APNIC Region origin ASes present in the Internet Routing Table: 5013 APNIC Prefixes per ASN: 26.71 APNIC Region origin ASes announcing only one prefix: 1221 APNIC Region transit ASes present in the Internet Routing Table: 866 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 100 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1224 Number of APNIC addresses announced to Internet: 740360512 Equivalent to 44 /8s, 33 /16s and 1 /24s Percentage of available APNIC address space announced: 86.5 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 131072-135580 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, 103/8, 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, 150/8, 153/8, 163/8, 171/8, 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: 174011 Total ARIN prefixes after maximum aggregation: 86159 ARIN Deaggregation factor: 2.02 Prefixes being announced from the ARIN address blocks: 175923 Unique aggregates announced from the ARIN address blocks: 82214 ARIN Region origin ASes present in the Internet Routing Table: 16417 ARIN Prefixes per ASN: 10.72 ARIN Region origin ASes announcing only one prefix: 6072 ARIN Region transit ASes present in the Internet Routing Table: 1716 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 20 Number of ARIN region 32-bit ASNs visible in the Routing Table: 297 Number of ARIN addresses announced to Internet: 1055256832 Equivalent to 62 /8s, 229 /16s and 241 /24s Percentage of available ARIN address space announced: 55.8 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, 62464-63487, 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, 45/8, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 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, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 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: 126519 Total RIPE prefixes after maximum aggregation: 63782 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 132509 Unique aggregates announced from the RIPE address blocks: 82863 RIPE Region origin ASes present in the Internet Routing Table: 17833 RIPE Prefixes per ASN: 7.43 RIPE Region origin ASes announcing only one prefix: 8170 RIPE Region transit ASes present in the Internet Routing Table: 2916 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 3290 Number of RIPE addresses announced to Internet: 692263300 Equivalent to 41 /8s, 67 /16s and 25 /24s Percentage of available RIPE address space announced: 100.6 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 59392-61439, 61952-62463, 196608-202239 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, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 59090 Total LACNIC prefixes after maximum aggregation: 10834 LACNIC Deaggregation factor: 5.45 Prefixes being announced from the LACNIC address blocks: 68023 Unique aggregates announced from the LACNIC address blocks: 31066 LACNIC Region origin ASes present in the Internet Routing Table: 2389 LACNIC Prefixes per ASN: 28.47 LACNIC Region origin ASes announcing only one prefix: 636 LACNIC Region transit ASes present in the Internet Routing Table: 479 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1439 Number of LACNIC addresses announced to Internet: 167190976 Equivalent to 9 /8s, 247 /16s and 33 /24s Percentage of available LACNIC address space announced: 99.7 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-265628 + ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 12547 Total AfriNIC prefixes after maximum aggregation: 2977 AfriNIC Deaggregation factor: 4.21 Prefixes being announced from the AfriNIC address blocks: 13463 Unique aggregates announced from the AfriNIC address blocks: 4928 AfriNIC Region origin ASes present in the Internet Routing Table: 732 AfriNIC Prefixes per ASN: 18.39 AfriNIC Region origin ASes announcing only one prefix: 207 AfriNIC Region transit ASes present in the Internet Routing Table: 148 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 80 Number of AfriNIC addresses announced to Internet: 60860416 Equivalent to 3 /8s, 160 /16s and 168 /24s Percentage of available AfriNIC address space announced: 60.5 AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4766 2917 11581 926 Korea Telecom 17974 2822 904 77 PT Telekomunikasi Indonesia 7545 2489 336 128 TPG Telecom Limited 4755 1922 416 189 TATA Communications formerly 4538 1765 4190 71 China Education and Research 9829 1666 1323 28 National Internet Backbone 9808 1509 6719 19 Guangdong Mobile Communicatio 4808 1459 2226 430 CNCGROUP IP network China169 9583 1315 106 537 Sify Limited 9498 1296 336 97 BHARTI Airtel Ltd. 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 22773 2921 2956 141 Cox Communications Inc. 6389 2891 3688 51 BellSouth.net Inc. 3356 2553 10700 473 Level 3 Communications, Inc. 18566 2042 379 183 MegaPath Corporation 20115 1852 1824 444 Charter Communications 4323 1634 1054 408 tw telecom holdings, inc. 6983 1623 867 245 EarthLink, Inc. 30036 1507 311 583 Mediacom Communications Corp 701 1412 11262 696 MCI Communications Services, 22561 1317 411 244 CenturyTel Internet Holdings, 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 34984 1922 299 355 TELLCOM ILETISIM HIZMETLERI A 20940 1525 592 1128 Akamai International B.V. 8402 1443 544 15 OJSC "Vimpelcom" 13188 1033 97 52 TOV "Bank-Inform" 31148 1030 45 21 Freenet Ltd. 8551 898 373 43 Bezeq International-Ltd 6830 821 2340 442 Liberty Global Operations B.V 9198 820 349 26 JSC Kazakhtelecom 12479 814 794 85 France Telecom Espana SA 6849 733 356 25 JSC "Ukrtelecom" 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 3072 499 206 Telmex Colombia S.A. 28573 2307 2124 114 NET Serviços de Comunicação S 6147 1805 374 30 Telefonica del Peru S.A.A. 7303 1771 1172 237 Telecom Argentina S.A. 8151 1486 3042 430 Uninet S.A. de C.V. 6503 1229 433 58 Axtel, S.A.B. de C.V. 7738 1000 1882 42 Telemar Norte Leste S.A. 26615 914 2325 35 Tim Celular S.A. 3816 910 394 147 COLOMBIA TELECOMUNICACIONES S 27947 889 129 50 Telconet 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 1436 958 13 TE-AS 24863 947 284 26 Link Egypt (Link.NET) 36903 456 230 95 Office National des Postes et 36992 392 824 31 ETISALAT MISR 37492 346 145 64 Orange Tunisie 24835 308 144 9 Vodafone Data 3741 250 921 213 Internet Solutions 29571 235 21 12 Cote d'Ivoire Telecom 37457 195 160 4 Telkom SA Ltd. 36947 192 807 13 Telecom Algeria 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 10620 3072 499 206 Telmex Colombia S.A. 22773 2921 2956 141 Cox Communications Inc. 4766 2917 11581 926 Korea Telecom 6389 2891 3688 51 BellSouth.net Inc. 17974 2822 904 77 PT Telekomunikasi Indonesia 3356 2553 10700 473 Level 3 Communications, Inc. 7545 2489 336 128 TPG Telecom Limited 28573 2307 2124 114 NET Serviços de Comunicação S 18566 2042 379 183 MegaPath Corporation 4755 1922 416 189 TATA Communications formerly Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 6389 2891 2840 BellSouth.net Inc. 22773 2921 2780 Cox Communications Inc. 17974 2822 2745 PT Telekomunikasi Indonesia 7545 2489 2361 TPG Telecom Limited 28573 2307 2193 NET Serviços de Comunicação S 3356 2553 2080 Level 3 Communications, Inc. 4766 2917 1991 Korea Telecom 18566 2042 1859 MegaPath Corporation 6147 1805 1775 Telefonica del Peru S.A.A. 4755 1922 1733 TATA Communications formerly Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 30662 UNALLOCATED 8.2.129.0/24 3356 Level 3 Communicatio 53506 UNALLOCATED 8.17.102.0/23 3356 Level 3 Communicatio 46467 UNALLOCATED 8.19.192.0/24 46887 Lightower Fiber Netw 18985 UNALLOCATED 8.21.68.0/22 3356 Level 3 Communicatio 20260 UNALLOCATED 8.25.160.0/24 3356 Level 3 Communicatio 20260 UNALLOCATED 8.25.161.0/24 3356 Level 3 Communicatio 46473 UNALLOCATED 8.27.122.0/24 12180 Internap Network Ser 46473 UNALLOCATED 8.27.124.0/24 12180 Internap Network Ser 27205 UNALLOCATED 8.38.16.0/21 6461 Abovenet Communicati 15347 UNALLOCATED 8.224.147.0/24 12064 Cox Communications I Complete listing at http://thyme.rand.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 5.100.241.0/24 23456 32bit Transition AS 23.252.224.0/20 62502 >>UNKNOWN<< 23.252.224.0/21 62502 >>UNKNOWN<< 23.252.232.0/21 62502 >>UNKNOWN<< 24.231.96.0/24 21548 MTO Telecom Inc. 27.100.7.0/24 56096 >>UNKNOWN<< 31.217.248.0/21 44902 COVAGE NETWORKS SASU 37.16.88.0/23 57652 >>UNKNOWN<< 41.73.1.0/24 37004 >>UNKNOWN<< 41.73.2.0/24 37004 >>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 /8:16 /9:12 /10:31 /11:92 /12:265 /13:502 /14:997 /15:1727 /16:13044 /17:7166 /18:11976 /19:24867 /20:35621 /21:38079 /22:56391 /23:49288 /24:281203 /25:1102 /26:1091 /27:698 /28:17 /29:16 /30:10 /31:0 /32:9 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 22773 2137 2921 Cox Communications Inc. 18566 1997 2042 MegaPath Corporation 6389 1671 2891 BellSouth.net Inc. 30036 1354 1507 Mediacom Communications Corp 6147 1350 1805 Telefonica del Peru S.A.A. 6983 1310 1623 EarthLink, Inc. 34984 1229 1922 TELLCOM ILETISIM HIZMETLERI A 11492 1116 1175 CABLE ONE, INC. 8402 1108 1443 OJSC "Vimpelcom" 10620 1086 3072 Telmex Colombia S.A. Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1408 2:670 3:3 4:95 5:1200 6:21 8:1403 11:1 12:1839 13:5 14:1210 15:17 16:2 17:45 18:21 20:51 23:1054 24:1656 27:1830 31:1445 32:39 33:2 34:5 36:146 37:1872 38:971 39:13 40:226 41:3084 42:286 43:785 44:21 45:84 46:2092 47:31 49:780 50:791 52:12 54:60 55:7 56:8 57:31 58:1104 59:661 60:449 61:1737 62:1313 63:1869 64:4403 65:2264 66:4064 67:2014 68:1041 69:3230 70:903 71:429 72:1953 74:2623 75:325 76:410 77:1355 78:1056 79:783 80:1325 81:1294 82:812 83:634 84:673 85:1327 86:429 87:1210 88:519 89:1817 90:139 91:5854 92:802 93:1669 94:1999 95:1383 96:422 97:337 98:1041 99:48 100:69 101:789 103:6331 104:861 105:183 106:194 107:890 108:612 109:2039 110:1060 111:1458 112:744 113:888 114:803 115:1238 116:1275 117:1003 118:1665 119:1364 120:430 121:1000 122:2202 123:1707 124:1466 125:1573 128:642 129:374 130:382 131:1053 132:434 133:167 134:385 135:87 136:330 137:299 138:385 139:171 140:224 141:422 142:620 143:438 144:505 145:112 146:677 147:566 148:1062 149:405 150:536 151:579 152:469 153:248 154:294 155:658 156:387 157:332 158:264 159:945 160:368 161:628 162:1839 163:377 164:641 165:669 166:320 167:718 168:1158 169:131 170:1426 171:223 172:51 173:1581 174:703 175:590 176:1549 177:3713 178:2109 179:810 180:1840 181:1689 182:1685 183:530 184:722 185:2562 186:2933 187:1664 188:2010 189:1545 190:7917 191:859 192:7948 193:5562 194:4070 195:3630 196:1699 197:865 198:5400 199:5495 200:6509 201:2948 202:9466 203:8969 204:4691 205:2709 206:2990 207:2968 208:3913 209:3846 210:3500 211:1861 212:2489 213:2248 214:843 215:73 216:5544 217:1764 218:651 219:467 220:1303 221:778 222:459 223:647 End of report