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 25 Jul, 2015 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 553100 Prefixes after maximum aggregation (per Origin AS): 209326 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 269834 Total ASes present in the Internet Routing Table: 50975 Prefixes per ASN: 10.85 Origin-only ASes present in the Internet Routing Table: 36693 Origin ASes announcing only one prefix: 16176 Transit ASes present in the Internet Routing Table: 6344 Transit-only ASes present in the Internet Routing Table: 174 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 39 Max AS path prepend of ASN ( 12486) 32 Prefixes from unregistered ASNs in the Routing Table: 1826 Unregistered ASNs in the Routing Table: 576 Number of 32-bit ASNs allocated by the RIRs: 10330 Number of 32-bit ASNs visible in the Routing Table: 7938 Prefixes from 32-bit ASNs in the Routing Table: 29501 Number of bogon 32-bit ASNs visible in the Routing Table: 17 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 417 Number of addresses announced to Internet: 2770525221 Equivalent to 165 /8s, 34 /16s and 220 /24s Percentage of available address space announced: 74.8 Percentage of allocated address space announced: 74.8 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 97.5 Total number of prefixes smaller than registry allocations: 184978 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 136914 Total APNIC prefixes after maximum aggregation: 39806 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 143793 Unique aggregates announced from the APNIC address blocks: 58303 APNIC Region origin ASes present in the Internet Routing Table: 5075 APNIC Prefixes per ASN: 28.33 APNIC Region origin ASes announcing only one prefix: 1196 APNIC Region transit ASes present in the Internet Routing Table: 883 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1558 Number of APNIC addresses announced to Internet: 751328325 Equivalent to 44 /8s, 200 /16s and 92 /24s Percentage of available APNIC address space announced: 87.8 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: 179653 Total ARIN prefixes after maximum aggregation: 88052 ARIN Deaggregation factor: 2.04 Prefixes being announced from the ARIN address blocks: 182431 Unique aggregates announced from the ARIN address blocks: 85355 ARIN Region origin ASes present in the Internet Routing Table: 16593 ARIN Prefixes per ASN: 10.99 ARIN Region origin ASes announcing only one prefix: 6083 ARIN Region transit ASes present in the Internet Routing Table: 1739 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 27 Number of ARIN region 32-bit ASNs visible in the Routing Table: 559 Number of ARIN addresses announced to Internet: 1085308960 Equivalent to 64 /8s, 176 /16s and 128 /24s Percentage of available ARIN address space announced: 57.4 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: 134316 Total RIPE prefixes after maximum aggregation: 66801 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 140927 Unique aggregates announced from the RIPE address blocks: 87411 RIPE Region origin ASes present in the Internet Routing Table: 17973 RIPE Prefixes per ASN: 7.84 RIPE Region origin ASes announcing only one prefix: 8088 RIPE Region transit ASes present in the Internet Routing Table: 2975 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 35 Number of RIPE region 32-bit ASNs visible in the Routing Table: 3875 Number of RIPE addresses announced to Internet: 698628224 Equivalent to 41 /8s, 164 /16s and 56 /24s Percentage of available RIPE address space announced: 101.6 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, 196608-204287 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: 60334 Total LACNIC prefixes after maximum aggregation: 11560 LACNIC Deaggregation factor: 5.22 Prefixes being announced from the LACNIC address blocks: 71453 Unique aggregates announced from the LACNIC address blocks: 33162 LACNIC Region origin ASes present in the Internet Routing Table: 2453 LACNIC Prefixes per ASN: 29.13 LACNIC Region origin ASes announcing only one prefix: 614 LACNIC Region transit ASes present in the Internet Routing Table: 510 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 28 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1811 Number of LACNIC addresses announced to Internet: 168750400 Equivalent to 10 /8s, 14 /16s and 237 /24s Percentage of available LACNIC address space announced: 100.6 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: 12197 Total AfriNIC prefixes after maximum aggregation: 3058 AfriNIC Deaggregation factor: 3.99 Prefixes being announced from the AfriNIC address blocks: 14079 Unique aggregates announced from the AfriNIC address blocks: 5234 AfriNIC Region origin ASes present in the Internet Routing Table: 736 AfriNIC Prefixes per ASN: 19.13 AfriNIC Region origin ASes announcing only one prefix: 195 AfriNIC Region transit ASes present in the Internet Routing Table: 163 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: 135 Number of AfriNIC addresses announced to Internet: 65998592 Equivalent to 3 /8s, 239 /16s and 15 /24s Percentage of available AfriNIC address space announced: 65.6 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 2949 11305 941 Korea Telecom 17974 2699 904 78 PT Telekomunikasi Indonesia 7545 2571 339 137 TPG Telecom Limited 4755 2026 425 225 TATA Communications formerly 4538 1947 4190 71 China Education and Research 9829 1796 1356 151 National Internet Backbone 9808 1584 8717 29 Guangdong Mobile Communicatio 9583 1517 119 570 Sify Limited 4808 1465 2245 470 CNCGROUP IP network China169 9498 1360 335 105 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 3174 2957 136 Cox Communications Inc. 6389 2758 3688 51 BellSouth.net Inc. 3356 2556 10702 512 Level 3 Communications, Inc. 18566 2068 381 203 MegaPath Corporation 20115 1868 1843 407 Charter Communications 6983 1750 850 244 EarthLink, Inc. 4323 1606 1022 414 tw telecom holdings, inc. 30036 1550 315 481 Mediacom Communications Corp 701 1393 11371 677 MCI Communications Services, 22561 1376 415 256 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 2196 306 367 TELLCOM ILETISIM HIZMETLERI A 20940 2053 807 1489 Akamai International B.V. 6849 1209 355 21 JSC "Ukrtelecom" 8551 1102 376 52 Bezeq International-Ltd 13188 1067 97 77 TOV "Bank-Inform" 31148 1058 46 26 Freenet Ltd. 8402 973 544 15 OJSC "Vimpelcom" 12479 966 933 77 France Telecom Espana SA 6830 918 2696 471 Liberty Global Operations B.V 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 3292 532 249 Telmex Colombia S.A. 28573 2313 2171 111 NET Serviços de Comunicação S 8151 1656 3275 451 Uninet S.A. de C.V. 7303 1632 1008 238 Telecom Argentina S.A. 6147 1445 374 30 Telefonica del Peru S.A.A. 6503 1309 421 55 Axtel, S.A.B. de C.V. 26615 1100 2325 35 Tim Celular S.A. 7738 999 1882 41 Telemar Norte Leste S.A. 3816 950 430 163 COLOMBIA TELECOMUNICACIONES S 11830 892 364 15 Instituto Costarricense de El 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 24863 888 280 26 Link Egypt (Link.NET) 8452 843 958 13 TE-AS 36903 512 258 99 Office National des Postes et 36992 442 1229 32 ETISALAT MISR 37492 312 175 71 Orange Tunisie 24835 307 146 12 Vodafone Data 3741 250 857 208 Internet Solutions 29571 246 21 13 Cote d'Ivoire Telecom 36947 195 807 13 Telecom Algeria 37054 189 20 7 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 3292 532 249 Telmex Colombia S.A. 22773 3174 2957 136 Cox Communications Inc. 4766 2949 11305 941 Korea Telecom 6389 2758 3688 51 BellSouth.net Inc. 17974 2699 904 78 PT Telekomunikasi Indonesia 7545 2571 339 137 TPG Telecom Limited 3356 2556 10702 512 Level 3 Communications, Inc. 39891 2472 128 6 SaudiNet, Saudi Telecom Compa 28573 2313 2171 111 NET Serviços de Comunicação S 34984 2196 306 367 TELLCOM ILETISIM HIZMETLERI A 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 3174 3038 Cox Communications Inc. 6389 2758 2707 BellSouth.net Inc. 17974 2699 2621 PT Telekomunikasi Indonesia 39891 2472 2466 SaudiNet, Saudi Telecom Compa 7545 2571 2434 TPG Telecom Limited 28573 2313 2202 NET Serviços de Comunicação S 3356 2556 2044 Level 3 Communications, Inc. 4766 2949 2008 Korea Telecom 4538 1947 1876 China Education and Research 18566 2068 1865 MegaPath Corporation 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 2828 XO Communications 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 560 UNALLOCATED 8.254.136.0/22 3356 Level 3 Communicatio 560 UNALLOCATED 8.254.136.0/23 3356 Level 3 Communicatio Complete listing at http://thyme.rand.apnic.net/current/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 100.66.34.0/24 31148 Freenet Ltd. 100.66.35.0/24 31148 Freenet Ltd. 100.67.26.0/24 31148 Freenet Ltd. Complete listing at http://thyme.rand.apnic.net/current/data-dsua 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<< 41.73.2.0/24 37004 >>UNKNOWN<< 41.73.3.0/24 37004 >>UNKNOWN<< 41.73.4.0/24 37004 >>UNKNOWN<< 41.73.5.0/24 37004 >>UNKNOWN<< 41.73.6.0/24 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 /9:13 /10:36 /11:95 /12:262 /13:505 /14:1003 /15:1728 /16:12892 /17:7284 /18:12346 /19:25559 /20:36012 /21:38728 /22:60605 /23:52840 /24:300118 /25:1136 /26:1160 /27:707 /28:14 /29:14 /30:9 /31:0 /32:18 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 2432 2472 SaudiNet, Saudi Telecom Compa 22773 2374 3174 Cox Communications Inc. 18566 2010 2068 MegaPath Corporation 6389 1629 2758 BellSouth.net Inc. 34984 1471 2196 TELLCOM ILETISIM HIZMETLERI A 6983 1397 1750 EarthLink, Inc. 30036 1373 1550 Mediacom Communications Corp 10620 1177 3292 Telmex Colombia S.A. 11492 1111 1195 CABLE ONE, INC. 22561 1049 1376 CenturyTel Internet Holdings, Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1539 2:697 4:96 5:1888 6:25 8:1385 12:1835 13:14 14:1320 15:17 16:2 17:44 18:22 20:49 23:1254 24:1757 27:1997 31:1603 32:37 33:2 34:4 35:3 36:158 37:1973 38:1039 39:14 40:69 41:2735 42:296 43:1362 44:30 45:841 46:2312 47:50 49:920 50:780 52:12 54:82 55:4 56:6 57:42 58:1353 59:718 60:478 61:1756 62:1374 63:1901 64:4403 65:2252 66:4032 67:2055 68:1060 69:3246 70:1024 71:445 72:1959 74:2615 75:341 76:397 77:1281 78:1169 79:808 80:1358 81:1313 82:860 83:718 84:801 85:1331 86:442 87:1038 88:538 89:1929 90:145 91:5998 92:842 93:2278 94:2079 95:2203 96:438 97:348 98:1023 99:54 100:76 101:846 103:7846 104:1992 105:65 106:337 107:1033 108:629 109:2088 110:1145 111:1450 112:821 113:1110 114:843 115:1259 116:1417 117:1074 118:1876 119:1462 120:451 121:1141 122:2163 123:1835 124:1516 125:1624 128:619 129:395 130:413 131:1210 132:514 133:171 134:409 135:97 136:334 137:327 138:1010 139:149 140:237 141:505 142:661 143:508 144:553 145:124 146:796 147:582 148:1197 149:416 150:563 151:706 152:523 153:251 154:470 155:882 156:423 157:420 158:354 159:1021 160:407 161:657 162:2000 163:439 164:698 165:695 166:298 167:829 168:1255 169:185 170:1472 171:246 172:271 173:1533 174:719 175:696 176:1439 177:3917 178:2174 179:937 180:1940 181:1619 182:1841 183:626 184:757 185:3917 186:2867 187:1772 188:2072 189:1628 190:7640 191:1099 192:8546 193:5648 194:4226 195:3677 196:1968 197:1037 198:5548 199:5513 200:6604 201:3202 202:9536 203:9153 204:4697 205:2842 206:3059 207:2982 208:3992 209:3888 210:3594 211:1920 212:2539 213:2351 214:846 215:71 216:5749 217:1836 218:733 219:467 220:1489 221:817 222:471 223:815 End of report