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 31 Jan, 2015 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 529971 Prefixes after maximum aggregation (per Origin AS): 202983 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 258157 Total ASes present in the Internet Routing Table: 49242 Prefixes per ASN: 10.76 Origin-only ASes present in the Internet Routing Table: 36405 Origin ASes announcing only one prefix: 16292 Transit ASes present in the Internet Routing Table: 6246 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: 107 Max AS path prepend of ASN ( 55644) 100 Prefixes from unregistered ASNs in the Routing Table: 1714 Unregistered ASNs in the Routing Table: 422 Number of 32-bit ASNs allocated by the RIRs: 8474 Number of 32-bit ASNs visible in the Routing Table: 6591 Prefixes from 32-bit ASNs in the Routing Table: 23699 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: 356 Number of addresses announced to Internet: 2723625508 Equivalent to 162 /8s, 87 /16s and 58 /24s Percentage of available address space announced: 73.6 Percentage of allocated address space announced: 73.6 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 97.2 Total number of prefixes smaller than registry allocations: 179682 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 130804 Total APNIC prefixes after maximum aggregation: 38186 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 135954 Unique aggregates announced from the APNIC address blocks: 55417 APNIC Region origin ASes present in the Internet Routing Table: 5021 APNIC Prefixes per ASN: 27.08 APNIC Region origin ASes announcing only one prefix: 1227 APNIC Region transit ASes present in the Internet Routing Table: 872 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 107 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1275 Number of APNIC addresses announced to Internet: 741480576 Equivalent to 44 /8s, 50 /16s and 24 /24s Percentage of available APNIC address space announced: 86.7 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: 175130 Total ARIN prefixes after maximum aggregation: 86650 ARIN Deaggregation factor: 2.02 Prefixes being announced from the ARIN address blocks: 177109 Unique aggregates announced from the ARIN address blocks: 82854 ARIN Region origin ASes present in the Internet Routing Table: 16458 ARIN Prefixes per ASN: 10.76 ARIN Region origin ASes announcing only one prefix: 6081 ARIN Region transit ASes present in the Internet Routing Table: 1722 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 19 Number of ARIN region 32-bit ASNs visible in the Routing Table: 331 Number of ARIN addresses announced to Internet: 1059902240 Equivalent to 63 /8s, 44 /16s and 211 /24s Percentage of available ARIN address space announced: 56.1 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, 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: 129159 Total RIPE prefixes after maximum aggregation: 64185 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 135279 Unique aggregates announced from the RIPE address blocks: 83134 RIPE Region origin ASes present in the Internet Routing Table: 17839 RIPE Prefixes per ASN: 7.58 RIPE Region origin ASes announcing only one prefix: 8133 RIPE Region transit ASes present in the Internet Routing Table: 2942 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 3398 Number of RIPE addresses announced to Internet: 692818564 Equivalent to 41 /8s, 75 /16s and 146 /24s Percentage of available RIPE address space announced: 100.7 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: 58588 Total LACNIC prefixes after maximum aggregation: 10951 LACNIC Deaggregation factor: 5.35 Prefixes being announced from the LACNIC address blocks: 67869 Unique aggregates announced from the LACNIC address blocks: 31417 LACNIC Region origin ASes present in the Internet Routing Table: 2397 LACNIC Prefixes per ASN: 28.31 LACNIC Region origin ASes announcing only one prefix: 644 LACNIC Region transit ASes present in the Internet Routing Table: 481 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 34 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1499 Number of LACNIC addresses announced to Internet: 167768576 Equivalent to 9 /8s, 255 /16s and 242 /24s Percentage of available LACNIC address space announced: 100.0 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: 12418 Total AfriNIC prefixes after maximum aggregation: 2967 AfriNIC Deaggregation factor: 4.19 Prefixes being announced from the AfriNIC address blocks: 13404 Unique aggregates announced from the AfriNIC address blocks: 5016 AfriNIC Region origin ASes present in the Internet Routing Table: 737 AfriNIC Prefixes per ASN: 18.19 AfriNIC Region origin ASes announcing only one prefix: 207 AfriNIC Region transit ASes present in the Internet Routing Table: 157 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 88 Number of AfriNIC addresses announced to Internet: 61094400 Equivalent to 3 /8s, 164 /16s and 58 /24s Percentage of available AfriNIC address space announced: 60.7 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 2877 11553 909 Korea Telecom 17974 2842 905 78 PT Telekomunikasi Indonesia 7545 2488 336 128 TPG Telecom Limited 4755 1943 418 196 TATA Communications formerly 4538 1757 4190 71 China Education and Research 9829 1685 1324 34 National Internet Backbone 9808 1525 6719 19 Guangdong Mobile Communicatio 4808 1460 2218 436 CNCGROUP IP network China169 9583 1391 115 572 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 2930 2955 141 Cox Communications Inc. 6389 2891 3688 51 BellSouth.net Inc. 3356 2569 10688 477 Level 3 Communications, Inc. 18566 2043 379 183 MegaPath Corporation 20115 1850 1826 450 Charter Communications 4323 1623 1037 407 tw telecom holdings, inc. 6983 1622 866 244 EarthLink, Inc. 30036 1520 315 521 Mediacom Communications Corp 701 1398 11271 684 MCI Communications Services, 22561 1331 411 240 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 39891 2069 139 10 SaudiNet, Saudi Telecom Compa 34984 1956 300 357 TELLCOM ILETISIM HIZMETLERI A 20940 1567 613 1162 Akamai International B.V. 8402 1437 544 15 OJSC "Vimpelcom" 6849 1234 358 26 JSC "Ukrtelecom" 31148 1045 45 21 Freenet Ltd. 13188 1037 97 58 TOV "Bank-Inform" 8551 904 373 48 Bezeq International-Ltd 12479 847 793 85 France Telecom Espana SA 9198 843 349 25 JSC Kazakhtelecom 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 3073 498 223 Telmex Colombia S.A. 28573 2346 2139 112 NET Serviços de Comunicação S 7303 1770 1173 238 Telecom Argentina S.A. 6147 1695 374 30 Telefonica del Peru S.A.A. 8151 1495 3094 427 Uninet S.A. de C.V. 6503 1227 421 57 Axtel, S.A.B. de C.V. 7738 1000 1882 42 Telemar Norte Leste S.A. 3816 920 396 149 COLOMBIA TELECOMUNICACIONES S 26615 913 2325 35 Tim Celular S.A. 18881 857 1036 22 Global Village Telecom 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 1520 958 13 TE-AS 24863 953 284 26 Link Egypt (Link.NET) 36903 479 241 90 Office National des Postes et 36992 373 845 30 ETISALAT MISR 37492 327 144 65 Orange Tunisie 24835 295 144 9 Vodafone Data 3741 249 921 213 Internet Solutions 29571 234 21 12 Cote d'Ivoire Telecom 36947 191 807 13 Telecom Algeria 15706 176 32 6 Sudatel (Sudan Telecom Co. Lt 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 3073 498 223 Telmex Colombia S.A. 22773 2930 2955 141 Cox Communications Inc. 6389 2891 3688 51 BellSouth.net Inc. 4766 2877 11553 909 Korea Telecom 17974 2842 905 78 PT Telekomunikasi Indonesia 3356 2569 10688 477 Level 3 Communications, Inc. 7545 2488 336 128 TPG Telecom Limited 28573 2346 2139 112 NET Serviços de Comunicação S 39891 2069 139 10 SaudiNet, Saudi Telecom Compa 18566 2043 379 183 MegaPath Corporation 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 2930 2789 Cox Communications Inc. 17974 2842 2764 PT Telekomunikasi Indonesia 7545 2488 2360 TPG Telecom Limited 28573 2346 2234 NET Serviços de Comunicação S 3356 2569 2092 Level 3 Communications, Inc. 39891 2069 2059 SaudiNet, Saudi Telecom Compa 4766 2877 1968 Korea Telecom 18566 2043 1860 MegaPath Corporation 4755 1943 1747 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 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 33628 UNALLOCATED 12.0.239.0/24 1239 Sprint 32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc. 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 23.92.160.0/24 14013 EPSON America (Factory Automa 23.92.161.0/24 14013 EPSON America (Factory Automa 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<< 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 /10:32 /11:92 /12:264 /13:502 /14:997 /15:1718 /16:12975 /17:7131 /18:12135 /19:24997 /20:35644 /21:38397 /22:57495 /23:50361 /24:284231 /25:1151 /26:1091 /27:680 /28:17 /29:14 /30:8 /31:0 /32:11 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 22773 2143 2930 Cox Communications Inc. 39891 2012 2069 SaudiNet, Saudi Telecom Compa 18566 1998 2043 MegaPath Corporation 6389 1671 2891 BellSouth.net Inc. 30036 1366 1520 Mediacom Communications Corp 6983 1313 1622 EarthLink, Inc. 34984 1260 1956 TELLCOM ILETISIM HIZMETLERI A 6147 1241 1695 Telefonica del Peru S.A.A. 11492 1131 1189 CABLE ONE, INC. 8402 1103 1437 OJSC "Vimpelcom" Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1468 2:673 3:1 4:97 5:1204 6:21 8:1404 12:1843 13:4 14:1240 15:17 16:2 17:42 18:21 20:50 23:1095 24:1677 27:1825 31:1468 32:39 33:2 34:5 35:2 36:129 37:1900 38:978 39:11 40:232 41:2976 42:262 43:980 44:23 45:105 46:2093 47:34 49:786 50:790 52:12 54:66 55:5 56:8 57:32 58:1198 59:681 60:455 61:1760 62:1311 63:1903 64:4442 65:2257 66:4083 67:2019 68:1040 69:3276 70:907 71:431 72:1969 74:2616 75:314 76:413 77:1465 78:1298 79:783 80:1324 81:1305 82:796 83:628 84:674 85:1322 86:376 87:1162 88:514 89:1740 90:139 91:5856 92:802 93:2206 94:1866 95:2071 96:418 97:335 98:1039 99:47 100:75 101:790 103:6585 104:1163 105:54 106:202 107:887 108:608 109:2008 110:1067 111:1477 112:745 113:930 114:841 115:1253 116:1320 117:1022 118:1688 119:1409 120:452 121:1038 122:2176 123:1714 124:1496 125:1540 128:643 129:386 130:380 131:1075 132:470 133:167 134:389 135:87 136:311 137:296 138:417 139:173 140:223 141:414 142:625 143:442 144:519 145:111 146:708 147:564 148:1067 149:418 150:559 151:586 152:482 153:247 154:309 155:712 156:398 157:332 158:265 159:957 160:368 161:634 162:1881 163:388 164:651 165:669 166:321 167:705 168:1002 169:141 170:1430 171:223 172:42 173:1596 174:702 175:612 176:1460 177:3635 178:2092 179:862 180:1876 181:1594 182:1700 183:604 184:738 185:2754 186:2717 187:1794 188:2017 189:1539 190:7808 191:851 192:8077 193:5553 194:4040 195:3634 196:1693 197:887 198:5444 199:5500 200:6464 201:2909 202:9521 203:9081 204:4658 205:2730 206:3015 207:2978 208:3950 209:3871 210:3486 211:1827 212:2436 213:2301 214:832 215:69 216:5536 217:1808 218:665 219:466 220:1342 221:796 222:464 223:657 End of report