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 09 May, 2015 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 543336 Prefixes after maximum aggregation (per Origin AS): 207090 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 264470 Total ASes present in the Internet Routing Table: 50256 Prefixes per ASN: 10.81 Origin-only ASes present in the Internet Routing Table: 36631 Origin ASes announcing only one prefix: 16305 Transit ASes present in the Internet Routing Table: 6324 Transit-only ASes present in the Internet Routing Table: 178 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 44 Max AS path prepend of ASN ( 55944) 41 Prefixes from unregistered ASNs in the Routing Table: 1204 Unregistered ASNs in the Routing Table: 416 Number of 32-bit ASNs allocated by the RIRs: 9411 Number of 32-bit ASNs visible in the Routing Table: 7301 Prefixes from 32-bit ASNs in the Routing Table: 26590 Number of bogon 32-bit ASNs visible in the Routing Table: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 387 Number of addresses announced to Internet: 2741486624 Equivalent to 163 /8s, 103 /16s and 196 /24s Percentage of available address space announced: 74.0 Percentage of allocated address space announced: 74.0 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 97.3 Total number of prefixes smaller than registry allocations: 182274 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 134135 Total APNIC prefixes after maximum aggregation: 39069 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 140281 Unique aggregates announced from the APNIC address blocks: 56940 APNIC Region origin ASes present in the Internet Routing Table: 5035 APNIC Prefixes per ASN: 27.86 APNIC Region origin ASes announcing only one prefix: 1207 APNIC Region transit ASes present in the Internet Routing Table: 879 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 44 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1422 Number of APNIC addresses announced to Internet: 747744256 Equivalent to 44 /8s, 145 /16s and 172 /24s Percentage of available APNIC address space announced: 87.4 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: 178748 Total ARIN prefixes after maximum aggregation: 87933 ARIN Deaggregation factor: 2.03 Prefixes being announced from the ARIN address blocks: 181253 Unique aggregates announced from the ARIN address blocks: 84396 ARIN Region origin ASes present in the Internet Routing Table: 16587 ARIN Prefixes per ASN: 10.93 ARIN Region origin ASes announcing only one prefix: 6111 ARIN Region transit ASes present in the Internet Routing Table: 1732 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 428 Number of ARIN addresses announced to Internet: 1065588512 Equivalent to 63 /8s, 131 /16s and 151 /24s Percentage of available ARIN address space announced: 56.4 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, 62464-63487, 64198-64296, 393216-395164 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: 131752 Total RIPE prefixes after maximum aggregation: 65746 RIPE Deaggregation factor: 2.00 Prefixes being announced from the RIPE address blocks: 138163 Unique aggregates announced from the RIPE address blocks: 85193 RIPE Region origin ASes present in the Internet Routing Table: 17949 RIPE Prefixes per ASN: 7.70 RIPE Region origin ASes announcing only one prefix: 8153 RIPE Region transit ASes present in the Internet Routing Table: 2966 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 3677 Number of RIPE addresses announced to Internet: 694977792 Equivalent to 41 /8s, 108 /16s and 133 /24s Percentage of available RIPE address space announced: 101.0 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, 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: 59063 Total LACNIC prefixes after maximum aggregation: 11226 LACNIC Deaggregation factor: 5.26 Prefixes being announced from the LACNIC address blocks: 69131 Unique aggregates announced from the LACNIC address blocks: 32433 LACNIC Region origin ASes present in the Internet Routing Table: 2436 LACNIC Prefixes per ASN: 28.38 LACNIC Region origin ASes announcing only one prefix: 631 LACNIC Region transit ASes present in the Internet Routing Table: 502 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: 1663 Number of LACNIC addresses announced to Internet: 167684864 Equivalent to 9 /8s, 254 /16s and 171 /24s Percentage of available LACNIC address space announced: 99.9 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: 12878 Total AfriNIC prefixes after maximum aggregation: 3071 AfriNIC Deaggregation factor: 4.19 Prefixes being announced from the AfriNIC address blocks: 14121 Unique aggregates announced from the AfriNIC address blocks: 5174 AfriNIC Region origin ASes present in the Internet Routing Table: 739 AfriNIC Prefixes per ASN: 19.11 AfriNIC Region origin ASes announcing only one prefix: 203 AfriNIC Region transit ASes present in the Internet Routing Table: 161 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: 111 Number of AfriNIC addresses announced to Internet: 65175552 Equivalent to 3 /8s, 226 /16s and 128 /24s Percentage of available AfriNIC address space announced: 64.7 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 2927 11557 912 Korea Telecom 17974 2766 904 81 PT Telekomunikasi Indonesia 7545 2578 336 129 TPG Telecom Limited 4755 2014 422 215 TATA Communications formerly 4538 1908 4190 72 China Education and Research 9829 1637 1322 58 National Internet Backbone 9808 1574 8717 28 Guangdong Mobile Communicatio 4808 1428 2241 455 CNCGROUP IP network China169 9583 1416 117 577 Sify Limited 9498 1332 334 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 3031 2955 140 Cox Communications Inc. 6389 2801 3688 51 BellSouth.net Inc. 3356 2553 10684 479 Level 3 Communications, Inc. 18566 2036 378 181 MegaPath Corporation 20115 1879 1846 429 Charter Communications 6983 1752 866 246 EarthLink, Inc. 4323 1615 1022 410 tw telecom holdings, inc. 30036 1531 311 493 Mediacom Communications Corp 701 1390 11290 679 MCI Communications Services, 22561 1355 413 248 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 2472 128 6 SaudiNet, Saudi Telecom Compa 34984 1967 304 367 TELLCOM ILETISIM HIZMETLERI A 20940 1826 708 1338 Akamai International B.V. 6849 1213 356 24 JSC "Ukrtelecom" 31148 1049 45 23 Freenet Ltd. 13188 1035 96 68 TOV "Bank-Inform" 8402 1032 544 15 OJSC "Vimpelcom" 12479 925 867 80 France Telecom Espana SA 8551 885 373 48 Bezeq International-Ltd 9198 857 346 30 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 3226 527 184 Telmex Colombia S.A. 28573 2319 2169 117 NET Serviços de Comunicação S 7303 1660 1044 242 Telecom Argentina S.A. 8151 1602 3206 454 Uninet S.A. de C.V. 6503 1250 421 54 Axtel, S.A.B. de C.V. 6147 1222 374 30 Telefonica del Peru S.A.A. 7738 999 1882 41 Telemar Norte Leste S.A. 26615 964 2325 35 Tim Celular S.A. 3816 920 418 155 COLOMBIA TELECOMUNICACIONES S 18881 868 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 1805 958 13 TE-AS 24863 960 284 27 Link Egypt (Link.NET) 36903 466 235 119 Office National des Postes et 36992 419 1229 32 ETISALAT MISR 37492 302 155 72 Orange Tunisie 24835 300 144 9 Vodafone Data 3741 250 857 208 Internet Solutions 29571 235 21 12 Cote d'Ivoire Telecom 36947 202 807 13 Telecom Algeria 37054 181 19 6 Data Telecom Service 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 3226 527 184 Telmex Colombia S.A. 22773 3031 2955 140 Cox Communications Inc. 4766 2927 11557 912 Korea Telecom 6389 2801 3688 51 BellSouth.net Inc. 17974 2766 904 81 PT Telekomunikasi Indonesia 7545 2578 336 129 TPG Telecom Limited 3356 2553 10684 479 Level 3 Communications, Inc. 39891 2472 128 6 SaudiNet, Saudi Telecom Compa 28573 2319 2169 117 NET Serviços de Comunicação S 18566 2036 378 181 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 22773 3031 2891 Cox Communications Inc. 6389 2801 2750 BellSouth.net Inc. 17974 2766 2685 PT Telekomunikasi Indonesia 39891 2472 2466 SaudiNet, Saudi Telecom Compa 7545 2578 2449 TPG Telecom Limited 28573 2319 2202 NET Serviços de Comunicação S 3356 2553 2074 Level 3 Communications, Inc. 4766 2927 2015 Korea Telecom 18566 2036 1855 MegaPath Corporation 4538 1908 1836 China Education and Research 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 23.226.112.0/20 62788 >>UNKNOWN<< 27.100.7.0/24 56096 >>UNKNOWN<< 31.217.248.0/21 44902 COVAGE NETWORKS SASU 41.73.1.0/24 37004 >>UNKNOWN<< 41.73.10.0/24 37004 >>UNKNOWN<< 41.73.11.0/24 37004 >>UNKNOWN<< 41.73.12.0/24 37004 >>UNKNOWN<< 41.73.13.0/24 37004 >>UNKNOWN<< 41.73.15.0/24 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 /10:34 /11:94 /12:264 /13:505 /14:1006 /15:1713 /16:12969 /17:7208 /18:12292 /19:25282 /20:35936 /21:38557 /22:59396 /23:51660 /24:293364 /25:1134 /26:1132 /27:716 /28:14 /29:12 /30:7 /31:0 /32:13 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 2432 2472 SaudiNet, Saudi Telecom Compa 22773 2243 3031 Cox Communications Inc. 18566 1992 2036 MegaPath Corporation 6389 1644 2801 BellSouth.net Inc. 6983 1398 1752 EarthLink, Inc. 30036 1371 1531 Mediacom Communications Corp 34984 1287 1967 TELLCOM ILETISIM HIZMETLERI A 10620 1138 3226 Telmex Colombia S.A. 11492 1113 1189 CABLE ONE, INC. 8452 1106 1805 TE-AS Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1483 2:675 4:94 5:1793 6:24 8:1418 11:1 12:1822 13:10 14:1331 15:17 16:2 17:43 18:21 20:48 23:1217 24:1705 27:1891 31:1562 32:38 33:2 34:5 35:3 36:118 37:1908 38:1027 39:5 40:251 41:3075 42:322 43:1261 44:26 45:504 46:2161 47:40 49:902 50:802 52:12 54:73 55:6 56:8 57:36 58:1276 59:717 60:473 61:1750 62:1332 63:1914 64:4406 65:2253 66:4043 67:2072 68:1052 69:3257 70:981 71:448 72:1954 74:2649 75:335 76:423 77:1413 78:1182 79:796 80:1334 81:1349 82:810 83:691 84:716 85:1347 86:392 87:1027 88:516 89:1826 90:151 91:5980 92:829 93:2226 94:2044 95:2114 96:429 97:353 98:1055 99:49 100:68 101:822 103:7361 104:1682 105:65 106:244 107:952 108:623 109:2046 110:1095 111:1488 112:794 113:1149 114:817 115:1264 116:1355 117:1055 118:1806 119:1450 120:448 121:1076 122:2141 123:1809 124:1507 125:1579 128:637 129:384 130:398 131:1189 132:488 133:174 134:425 135:107 136:327 137:315 138:687 139:149 140:239 141:442 142:670 143:501 144:565 145:115 146:699 147:590 148:1151 149:432 150:564 151:610 152:494 153:243 154:463 155:848 156:406 157:463 158:320 159:996 160:379 161:652 162:1923 163:419 164:670 165:690 166:304 167:821 168:1293 169:168 170:1471 171:261 172:45 173:1502 174:708 175:680 176:1247 177:3780 178:2155 179:877 180:1930 181:1596 182:1757 183:617 184:734 185:3429 186:2635 187:1742 188:2016 189:1586 190:7486 191:961 192:8315 193:5590 194:4126 195:3621 196:1706 197:1072 198:5549 199:5547 200:6635 201:3018 202:9444 203:9120 204:4678 205:2839 206:3090 207:2973 208:3942 209:3966 210:3536 211:1863 212:2509 213:2323 214:865 215:71 216:5582 217:1820 218:691 219:459 220:1445 221:787 222:478 223:677 End of report