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, SAFNOG, PaNOG, SdNOG, BJNOG, CaribNOG and the RIPE Routing WG. 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 19 Mar, 2016 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 587053 Prefixes after maximum aggregation (per Origin AS): 215951 Deaggregation factor: 2.72 Unique aggregates announced (without unneeded subnets): 287098 Total ASes present in the Internet Routing Table: 53151 Prefixes per ASN: 11.05 Origin-only ASes present in the Internet Routing Table: 36631 Origin ASes announcing only one prefix: 15776 Transit ASes present in the Internet Routing Table: 6384 Transit-only ASes present in the Internet Routing Table: 165 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 39 Max AS path prepend of ASN ( 40285) 34 Prefixes from unregistered ASNs in the Routing Table: 1026 Unregistered ASNs in the Routing Table: 358 Number of 32-bit ASNs allocated by the RIRs: 13113 Number of 32-bit ASNs visible in the Routing Table: 10136 Prefixes from 32-bit ASNs in the Routing Table: 39613 Number of bogon 32-bit ASNs visible in the Routing Table: 14 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 338 Number of addresses announced to Internet: 2808150724 Equivalent to 167 /8s, 96 /16s and 250 /24s Percentage of available address space announced: 75.8 Percentage of allocated address space announced: 75.8 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 98.1 Total number of prefixes smaller than registry allocations: 192177 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 150202 Total APNIC prefixes after maximum aggregation: 41868 APNIC Deaggregation factor: 3.59 Prefixes being announced from the APNIC address blocks: 160226 Unique aggregates announced from the APNIC address blocks: 65408 APNIC Region origin ASes present in the Internet Routing Table: 5155 APNIC Prefixes per ASN: 31.08 APNIC Region origin ASes announcing only one prefix: 1184 APNIC Region transit ASes present in the Internet Routing Table: 909 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: 1941 Number of APNIC addresses announced to Internet: 753104644 Equivalent to 44 /8s, 227 /16s and 119 /24s Percentage of available APNIC address space announced: 88.0 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: 180160 Total ARIN prefixes after maximum aggregation: 88954 ARIN Deaggregation factor: 2.03 Prefixes being announced from the ARIN address blocks: 185089 Unique aggregates announced from the ARIN address blocks: 87856 ARIN Region origin ASes present in the Internet Routing Table: 16403 ARIN Prefixes per ASN: 11.28 ARIN Region origin ASes announcing only one prefix: 5881 ARIN Region transit ASes present in the Internet Routing Table: 1706 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 37 Number of ARIN region 32-bit ASNs visible in the Routing Table: 1081 Number of ARIN addresses announced to Internet: 1102292288 Equivalent to 65 /8s, 179 /16s and 165 /24s Percentage of available ARIN address space announced: 58.3 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: 141179 Total RIPE prefixes after maximum aggregation: 69758 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 149900 Unique aggregates announced from the RIPE address blocks: 92518 RIPE Region origin ASes present in the Internet Routing Table: 18056 RIPE Prefixes per ASN: 8.30 RIPE Region origin ASes announcing only one prefix: 7939 RIPE Region transit ASes present in the Internet Routing Table: 2980 Average RIPE Region AS path length visible: 4.3 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 4568 Number of RIPE addresses announced to Internet: 703950208 Equivalent to 41 /8s, 245 /16s and 109 /24s Percentage of available RIPE address space announced: 102.3 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: 61593 Total LACNIC prefixes after maximum aggregation: 12162 LACNIC Deaggregation factor: 5.06 Prefixes being announced from the LACNIC address blocks: 75518 Unique aggregates announced from the LACNIC address blocks: 35353 LACNIC Region origin ASes present in the Internet Routing Table: 2472 LACNIC Prefixes per ASN: 30.55 LACNIC Region origin ASes announcing only one prefix: 587 LACNIC Region transit ASes present in the Internet Routing Table: 552 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 21 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2354 Number of LACNIC addresses announced to Internet: 170478336 Equivalent to 10 /8s, 41 /16s and 75 /24s Percentage of available LACNIC address space announced: 101.6 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: 14226 Total AfriNIC prefixes after maximum aggregation: 3168 AfriNIC Deaggregation factor: 4.49 Prefixes being announced from the AfriNIC address blocks: 15982 Unique aggregates announced from the AfriNIC address blocks: 5664 AfriNIC Region origin ASes present in the Internet Routing Table: 738 AfriNIC Prefixes per ASN: 21.66 AfriNIC Region origin ASes announcing only one prefix: 185 AfriNIC Region transit ASes present in the Internet Routing Table: 166 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 18 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 192 Number of AfriNIC addresses announced to Internet: 77965056 Equivalent to 4 /8s, 165 /16s and 167 /24s Percentage of available AfriNIC address space announced: 77.5 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 4538 5589 4192 76 China Education and Research 7545 3268 352 188 TPG Telecom Limited 4766 3146 11142 1116 Korea Telecom 17974 2912 914 96 PT Telekomunikasi Indonesia 9829 2404 1449 429 National Internet Backbone 4755 2097 432 244 TATA Communications formerly 9808 1857 8717 30 Guangdong Mobile Communicatio 4808 1640 2287 526 CNCGROUP IP network China169 4788 1519 645 62 TM Net, Internet Service Prov 9583 1519 121 564 Sify Limited 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 3346 2948 145 Cox Communications Inc. 6389 2371 3687 42 BellSouth.net Inc. 18566 2211 394 275 MegaPath Corporation 20115 1917 1927 401 Charter Communications 30036 1735 342 244 Mediacom Communications Corp 6983 1692 849 232 EarthLink, Inc. 4323 1578 1004 390 tw telecom holdings, inc. 209 1539 4493 1246 Qwest Communications Company, 701 1389 11452 661 MCI Communications Services, 11492 1267 235 591 CABLE ONE, INC. 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 2515 135 9 SaudiNet, Saudi Telecom Compa 20940 2397 917 1722 Akamai International B.V. 34984 1953 323 413 TELLCOM ILETISIM HIZMETLERI A 8551 1258 376 54 Bezeq International-Ltd 6849 1179 355 21 JSC "Ukrtelecom" 12479 1145 980 86 France Telecom Espana SA 8402 1134 544 15 OJSC "Vimpelcom" 13188 1077 98 78 TOV "Bank-Inform" 31148 1041 47 41 Freenet Ltd. 9198 925 352 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 3434 539 173 Telmex Colombia S.A. 8151 2209 3415 543 Uninet S.A. de C.V. 7303 1520 940 242 Telecom Argentina S.A. 11830 1441 366 25 Instituto Costarricense de El 6503 1432 453 56 Axtel, S.A.B. de C.V. 6147 1043 377 27 Telefonica del Peru S.A.A. 3816 994 478 185 COLOMBIA TELECOMUNICACIONES S 26615 994 2325 34 Tim Celular S.A. 7738 992 1882 41 Telemar Norte Leste S.A. 28573 888 2170 158 NET Serviços de Comunicação S 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 1235 402 35 Link Egypt (Link.NET) 8452 736 1472 15 TE-AS 37611 644 48 2 Afrihost-Brevis Computer Serv 36903 584 294 104 Office National des Postes et 36992 505 1357 25 ETISALAT MISR 37492 380 233 65 Orange Tunisie 24835 338 146 12 Vodafone Data 29571 267 21 12 Cote d'Ivoire Telecom 2018 249 327 74 TENET (The UNINET Project) 36947 233 807 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 4538 5589 4192 76 China Education and Research 10620 3434 539 173 Telmex Colombia S.A. 22773 3346 2948 145 Cox Communications Inc. 7545 3268 352 188 TPG Telecom Limited 4766 3146 11142 1116 Korea Telecom 17974 2912 914 96 PT Telekomunikasi Indonesia 39891 2515 135 9 SaudiNet, Saudi Telecom Compa 9829 2404 1449 429 National Internet Backbone 20940 2397 917 1722 Akamai International B.V. 6389 2371 3687 42 BellSouth.net Inc. Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 10620 3434 3261 Telmex Colombia S.A. 22773 3346 3201 Cox Communications Inc. 7545 3268 3080 TPG Telecom Limited 17974 2912 2816 PT Telekomunikasi Indonesia 39891 2515 2506 SaudiNet, Saudi Telecom Compa 6389 2371 2329 BellSouth.net Inc. 4766 3146 2030 Korea Telecom 9829 2404 1975 National Internet Backbone 18566 2211 1936 MegaPath Corporation 4755 2097 1853 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 2828 XO Communications 46467 UNALLOCATED 8.19.192.0/24 46887 Lightower Fiber Netw 16589 UNALLOCATED 8.20.247.0/24 35838 CCANET Limited 16589 UNALLOCATED 8.26.56.0/24 35838 CCANET Limited 46473 UNALLOCATED 8.27.122.0/24 3356 Level 3 Communicatio 46473 UNALLOCATED 8.27.124.0/24 3356 Level 3 Communicatio 27205 UNALLOCATED 8.38.16.0/21 3356 Level 3 Communicatio 15347 UNALLOCATED 8.224.147.0/24 12064 Cox Communications I 33628 UNALLOCATED 12.0.239.0/24 1239 Sprint Complete listing at http://thyme.rand.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 23.226.112.0/20 62788 >>UNKNOWN<< 23.249.144.0/20 40430 colo4jax, LLC 27.100.7.0/24 56096 >>UNKNOWN<< 37.46.10.0/23 36351 SoftLayer Technologies Inc. 37.46.14.0/24 36351 SoftLayer Technologies Inc. 37.46.15.0/24 36351 SoftLayer Technologies Inc. 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<< 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 /11:101 /12:267 /13:517 /14:1030 /15:1766 /16:12974 /17:7558 /18:12687 /19:25805 /20:38108 /21:40034 /22:65035 /23:56283 /24:323222 /25:540 /26:591 /27:397 /28:20 /29:16 /30:12 /31:0 /32:25 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 22773 2527 3346 Cox Communications Inc. 39891 2472 2515 SaudiNet, Saudi Telecom Compa 18566 2113 2211 MegaPath Corporation 30036 1550 1735 Mediacom Communications Corp 6389 1512 2371 BellSouth.net Inc. 6983 1341 1692 EarthLink, Inc. 10620 1332 3434 Telmex Colombia S.A. 34984 1241 1953 TELLCOM ILETISIM HIZMETLERI A 11492 1177 1267 CABLE ONE, INC. 6849 997 1179 JSC "Ukrtelecom" Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1640 2:737 4:20 5:2136 6:27 8:926 12:1778 13:38 14:1643 15:45 16:2 17:72 18:20 20:49 23:1426 24:1748 27:2266 31:1760 32:54 33:2 34:2 35:5 36:251 37:2267 38:1179 39:27 40:87 41:2812 42:388 43:1675 44:40 45:1752 46:2450 47:71 49:1131 50:843 51:8 52:134 54:198 55:3 56:6 57:44 58:1524 59:867 60:574 61:1800 62:1483 63:1926 64:4445 65:2157 66:4013 67:2120 68:1103 69:3263 70:1045 71:469 72:1970 74:2543 75:338 76:432 77:1368 78:1293 79:847 80:1304 81:1364 82:900 83:677 84:802 85:1588 86:467 87:1049 88:570 89:1927 90:168 91:6048 92:857 93:2297 94:2341 95:2309 96:461 97:351 98:956 99:45 100:69 101:1020 103:10020 104:2304 105:148 106:395 107:1155 108:654 109:2117 110:1262 111:1623 112:948 113:1137 114:1055 115:1701 116:1540 117:1416 118:2142 119:1568 120:514 121:1175 122:2226 123:1998 124:1612 125:1744 128:732 129:378 130:413 131:1275 132:604 133:173 134:451 135:122 136:354 137:332 138:1737 139:212 140:339 141:468 142:634 143:874 144:613 145:161 146:847 147:657 148:1467 149:478 150:651 151:828 152:606 153:271 154:556 155:912 156:491 157:445 158:348 159:1099 160:432 161:726 162:2306 163:539 164:728 165:1122 166:314 167:1071 168:1596 169:624 170:1578 171:265 172:503 173:1675 174:720 175:901 176:1532 177:4057 178:2243 179:1099 180:2038 181:1693 182:1954 183:671 184:814 185:5969 186:3005 187:2057 188:2140 189:1758 190:7682 191:1244 192:8903 193:5723 194:4375 195:3764 196:1674 197:1103 198:5522 199:5632 200:6890 201:3692 202:10150 203:9615 204:4644 205:2706 206:2961 207:3108 208:4079 209:3892 210:3947 211:2039 212:2640 213:2189 214:827 215:73 216:5751 217:1917 218:763 219:561 220:1676 221:855 222:665 223:936 End of report