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 26 Sep, 2015 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 564139 Prefixes after maximum aggregation (per Origin AS): 210496 Deaggregation factor: 2.68 Unique aggregates announced (without unneeded subnets): 274506 Total ASes present in the Internet Routing Table: 51538 Prefixes per ASN: 10.95 Origin-only ASes present in the Internet Routing Table: 36669 Origin ASes announcing only one prefix: 16099 Transit ASes present in the Internet Routing Table: 6405 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: 45 Max AS path prepend of ASN ( 55644) 41 Prefixes from unregistered ASNs in the Routing Table: 1089 Unregistered ASNs in the Routing Table: 408 Number of 32-bit ASNs allocated by the RIRs: 11123 Number of 32-bit ASNs visible in the Routing Table: 8464 Prefixes from 32-bit ASNs in the Routing Table: 32008 Number of bogon 32-bit ASNs visible in the Routing Table: 11 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 422 Number of addresses announced to Internet: 2810154432 Equivalent to 167 /8s, 127 /16s and 141 /24s Percentage of available address space announced: 75.9 Percentage of allocated address space announced: 75.9 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 97.6 Total number of prefixes smaller than registry allocations: 186240 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 143190 Total APNIC prefixes after maximum aggregation: 39689 APNIC Deaggregation factor: 3.61 Prefixes being announced from the APNIC address blocks: 150804 Unique aggregates announced from the APNIC address blocks: 59977 APNIC Region origin ASes present in the Internet Routing Table: 5090 APNIC Prefixes per ASN: 29.63 APNIC Region origin ASes announcing only one prefix: 1203 APNIC Region transit ASes present in the Internet Routing Table: 888 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1625 Number of APNIC addresses announced to Internet: 752840960 Equivalent to 44 /8s, 223 /16s and 113 /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: 179852 Total ARIN prefixes after maximum aggregation: 88238 ARIN Deaggregation factor: 2.04 Prefixes being announced from the ARIN address blocks: 182897 Unique aggregates announced from the ARIN address blocks: 86351 ARIN Region origin ASes present in the Internet Routing Table: 16576 ARIN Prefixes per ASN: 11.03 ARIN Region origin ASes announcing only one prefix: 6042 ARIN Region transit ASes present in the Internet Routing Table: 1746 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: 697 Number of ARIN addresses announced to Internet: 1118369984 Equivalent to 66 /8s, 168 /16s and 248 /24s Percentage of available ARIN address space announced: 59.2 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: 135843 Total RIPE prefixes after maximum aggregation: 67781 RIPE Deaggregation factor: 2.00 Prefixes being announced from the RIPE address blocks: 142937 Unique aggregates announced from the RIPE address blocks: 88843 RIPE Region origin ASes present in the Internet Routing Table: 18004 RIPE Prefixes per ASN: 7.94 RIPE Region origin ASes announcing only one prefix: 8048 RIPE Region transit ASes present in the Internet Routing Table: 2991 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 4046 Number of RIPE addresses announced to Internet: 699634944 Equivalent to 41 /8s, 179 /16s and 149 /24s Percentage of available RIPE address space announced: 101.7 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, 196608-204287 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: 60956 Total LACNIC prefixes after maximum aggregation: 11662 LACNIC Deaggregation factor: 5.23 Prefixes being announced from the LACNIC address blocks: 72889 Unique aggregates announced from the LACNIC address blocks: 33608 LACNIC Region origin ASes present in the Internet Routing Table: 2470 LACNIC Prefixes per ASN: 29.51 LACNIC Region origin ASes announcing only one prefix: 610 LACNIC Region transit ASes present in the Internet Routing Table: 536 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: 1946 Number of LACNIC addresses announced to Internet: 169251328 Equivalent to 10 /8s, 22 /16s and 146 /24s Percentage of available LACNIC address space announced: 100.9 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: 12177 Total AfriNIC prefixes after maximum aggregation: 3084 AfriNIC Deaggregation factor: 3.95 Prefixes being announced from the AfriNIC address blocks: 14190 Unique aggregates announced from the AfriNIC address blocks: 5364 AfriNIC Region origin ASes present in the Internet Routing Table: 737 AfriNIC Prefixes per ASN: 19.25 AfriNIC Region origin ASes announcing only one prefix: 196 AfriNIC Region transit ASes present in the Internet Routing Table: 167 Average AfriNIC Region AS path length visible: 4.7 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 150 Number of AfriNIC addresses announced to Internet: 69448448 Equivalent to 4 /8s, 35 /16s and 179 /24s Percentage of available AfriNIC address space announced: 69.0 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 5590 4192 76 China Education and Research 4766 3012 11134 984 Korea Telecom 7545 2799 339 134 TPG Telecom Limited 17974 2710 908 90 PT Telekomunikasi Indonesia 4755 2046 427 229 TATA Communications formerly 9829 1908 1383 226 National Internet Backbone 9808 1613 8639 18 Guangdong Mobile Communicatio 4812 1574 2099 113 China Telecom (Group) 4808 1519 2255 477 CNCGROUP IP network China169 9583 1497 118 560 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 3192 2966 144 Cox Communications Inc. 6389 2686 3688 44 BellSouth.net Inc. 3356 2528 10708 499 Level 3 Communications, Inc. 18566 2167 392 265 MegaPath Corporation 20115 1887 1881 393 Charter Communications 6983 1739 866 242 EarthLink, Inc. 30036 1607 322 381 Mediacom Communications Corp 4323 1587 1005 406 tw telecom holdings, inc. 701 1400 11401 676 MCI Communications Services, 22561 1284 365 214 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 2473 129 7 SaudiNet, Saudi Telecom Compa 20940 2136 842 1544 Akamai International B.V. 34984 2048 306 377 TELLCOM ILETISIM HIZMETLERI A 8402 1075 544 15 OJSC "Vimpelcom" 13188 1072 97 76 TOV "Bank-Inform" 6849 1062 355 21 JSC "Ukrtelecom" 31148 1053 46 24 Freenet Ltd. 12479 1005 965 78 France Telecom Espana SA 8551 982 376 52 Bezeq International-Ltd 6830 912 2694 465 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 3382 540 133 Telmex Colombia S.A. 28573 2185 2169 121 NET Serviços de Comunicação S 8151 1847 3286 486 Uninet S.A. de C.V. 7303 1566 936 249 Telecom Argentina S.A. 6503 1397 429 56 Axtel, S.A.B. de C.V. 26615 1081 2325 35 Tim Celular S.A. 6147 1062 374 30 Telefonica del Peru S.A.A. 7738 997 1882 41 Telemar Norte Leste S.A. 11830 995 364 24 Instituto Costarricense de El 3816 954 437 163 COLOMBIA TELECOMUNICACIONES 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 8452 930 1470 14 TE-AS 24863 805 281 37 Link Egypt (Link.NET) 36903 512 258 99 Office National des Postes et 36992 439 1229 32 ETISALAT MISR 37492 315 191 72 Orange Tunisie 24835 286 146 12 Vodafone Data 29571 247 21 13 Cote d'Ivoire Telecom 3741 223 853 186 Internet Solutions 36947 185 807 13 Telecom Algeria 12258 170 26 69 MWEB CONNECT (PROPRIETARY) LI 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 5590 4192 76 China Education and Research 10620 3382 540 133 Telmex Colombia S.A. 22773 3192 2966 144 Cox Communications Inc. 4766 3012 11134 984 Korea Telecom 7545 2799 339 134 TPG Telecom Limited 17974 2710 908 90 PT Telekomunikasi Indonesia 6389 2686 3688 44 BellSouth.net Inc. 3356 2528 10708 499 Level 3 Communications, Inc. 39891 2473 129 7 SaudiNet, Saudi Telecom Compa 28573 2185 2169 121 NET Serviços de Comunicação S 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 3382 3249 Telmex Colombia S.A. 22773 3192 3048 Cox Communications Inc. 7545 2799 2665 TPG Telecom Limited 6389 2686 2642 BellSouth.net Inc. 17974 2710 2620 PT Telekomunikasi Indonesia 39891 2473 2466 SaudiNet, Saudi Telecom Compa 28573 2185 2064 NET Serviços de Comunicação S 3356 2528 2029 Level 3 Communications, Inc. 4766 3012 2028 Korea Telecom 18566 2167 1902 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 47092 UNALLOCATED 8.8.204.0/24 16410 The Reynolds and Rey 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 33628 UNALLOCATED 12.0.239.0/24 1239 Sprint Complete listing at http://thyme.rand.apnic.net/current/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 100.100.1.0/24 9730 Bharti Telesonic Ltd Complete listing at http://thyme.rand.apnic.net/current/data-dsua Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 23.226.112.0/20 62788 >>UNKNOWN<< 23.249.144.0/20 40430 colo4jax, LLC 23.249.144.0/21 40430 colo4jax, LLC 23.249.152.0/21 40430 colo4jax, LLC 27.50.8.0/24 55548 >>UNKNOWN<< 27.50.9.0/24 55548 >>UNKNOWN<< 27.50.10.0/24 55548 >>UNKNOWN<< 27.50.11.0/24 55548 >>UNKNOWN<< 27.100.7.0/24 56096 >>UNKNOWN<< 31.217.248.0/21 44902 COVAGE NETWORKS SASU 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 /8:18 /9:13 /10:36 /11:95 /12:262 /13:501 /14:1006 /15:1743 /16:12909 /17:7401 /18:12590 /19:26300 /20:37378 /21:39531 /22:62006 /23:54193 /24:305834 /25:845 /26:927 /27:492 /28:15 /29:14 /30:9 /31:0 /32:21 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 2432 2473 SaudiNet, Saudi Telecom Compa 22773 2400 3192 Cox Communications Inc. 18566 2075 2167 MegaPath Corporation 6389 1607 2686 BellSouth.net Inc. 30036 1426 1607 Mediacom Communications Corp 6983 1387 1739 EarthLink, Inc. 34984 1368 2048 TELLCOM ILETISIM HIZMETLERI A 10620 1254 3382 Telmex Colombia S.A. 11492 1131 1213 CABLE ONE, INC. 22561 993 1284 CenturyTel Internet Holdings, Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1586 2:688 4:97 5:1890 6:25 8:1406 12:1806 13:13 14:1438 15:16 16:2 17:50 18:22 20:51 23:1264 24:1740 27:2079 31:1620 32:52 33:2 34:2 35:4 36:154 37:2038 38:1064 39:15 40:72 41:2789 42:341 43:1527 44:32 45:1275 46:2355 47:57 49:994 50:800 52:23 54:94 55:5 56:4 57:43 58:1422 59:778 60:499 61:1784 62:1421 63:1901 64:4397 65:2248 66:3991 67:2076 68:1074 69:3274 70:1035 71:454 72:1982 74:2547 75:361 76:395 77:1376 78:1207 79:812 80:1346 81:1358 82:878 83:714 84:766 85:1401 86:452 87:1025 88:535 89:1922 90:150 91:6015 92:846 93:2278 94:2129 95:2164 96:436 97:349 98:958 99:55 100:75 101:854 103:8362 104:1967 105:79 106:348 107:1048 108:628 109:2144 110:1211 111:1463 112:830 113:1119 114:866 115:1376 116:1511 117:1117 118:1954 119:1474 120:469 121:1154 122:2176 123:1843 124:1561 125:1726 128:702 129:368 130:430 131:1246 132:539 133:166 134:427 135:106 136:350 137:325 138:1329 139:171 140:248 141:438 142:657 143:543 144:575 145:127 146:769 147:595 148:1265 149:436 150:596 151:797 152:568 153:258 154:495 155:885 156:421 157:424 158:346 159:1061 160:426 161:670 162:2124 163:464 164:693 165:857 166:301 167:874 168:1232 169:196 170:1402 171:251 172:279 173:1525 174:712 175:716 176:1459 177:3933 178:2195 179:1005 180:1936 181:1557 182:1811 183:635 184:746 185:4347 186:2921 187:1880 188:2110 189:1685 190:7615 191:1169 192:8597 193:5667 194:4269 195:3672 196:1956 197:1094 198:5477 199:5518 200:6669 201:3290 202:9788 203:9216 204:4548 205:2741 206:3028 207:2980 208:4001 209:3892 210:3755 211:2042 212:2572 213:2211 214:848 215:72 216:5762 217:1800 218:802 219:533 220:1569 221:822 222:722 223:831 End of report