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, LacNOG, TRNOG, 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 11 Oct, 2014 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 514566 Prefixes after maximum aggregation: 199271 Deaggregation factor: 2.58 Unique aggregates announced to Internet: 254903 Total ASes present in the Internet Routing Table: 48265 Prefixes per ASN: 10.66 Origin-only ASes present in the Internet Routing Table: 36263 Origin ASes announcing only one prefix: 16360 Transit ASes present in the Internet Routing Table: 6141 Transit-only ASes present in the Internet Routing Table: 172 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 118 Max AS path prepend of ASN ( 55644) 111 Prefixes from unregistered ASNs in the Routing Table: 1838 Unregistered ASNs in the Routing Table: 442 Number of 32-bit ASNs allocated by the RIRs: 7604 Number of 32-bit ASNs visible in the Routing Table: 5861 Prefixes from 32-bit ASNs in the Routing Table: 20745 Number of bogon 32-bit ASNs visible in the Routing Table: 12 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 338 Number of addresses announced to Internet: 2707058692 Equivalent to 161 /8s, 90 /16s and 112 /24s Percentage of available address space announced: 73.1 Percentage of allocated address space announced: 73.1 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 96.9 Total number of prefixes smaller than registry allocations: 176435 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 125819 Total APNIC prefixes after maximum aggregation: 36739 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 129713 Unique aggregates announced from the APNIC address blocks: 53522 APNIC Region origin ASes present in the Internet Routing Table: 4978 APNIC Prefixes per ASN: 26.06 APNIC Region origin ASes announcing only one prefix: 1190 APNIC Region transit ASes present in the Internet Routing Table: 855 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 118 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1124 Number of APNIC addresses announced to Internet: 735003456 Equivalent to 43 /8s, 207 /16s and 67 /24s Percentage of available APNIC address space announced: 85.9 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: 171348 Total ARIN prefixes after maximum aggregation: 85249 ARIN Deaggregation factor: 2.01 Prefixes being announced from the ARIN address blocks: 173263 Unique aggregates announced from the ARIN address blocks: 82654 ARIN Region origin ASes present in the Internet Routing Table: 16377 ARIN Prefixes per ASN: 10.58 ARIN Region origin ASes announcing only one prefix: 6102 ARIN Region transit ASes present in the Internet Routing Table: 1696 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 22 Number of ARIN region 32-bit ASNs visible in the Routing Table: 220 Number of ARIN addresses announced to Internet: 1081327808 Equivalent to 64 /8s, 115 /16s and 192 /24s Percentage of available ARIN address space announced: 57.2 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, 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: 125372 Total RIPE prefixes after maximum aggregation: 63593 RIPE Deaggregation factor: 1.97 Prefixes being announced from the RIPE address blocks: 130602 Unique aggregates announced from the RIPE address blocks: 83097 RIPE Region origin ASes present in the Internet Routing Table: 17761 RIPE Prefixes per ASN: 7.35 RIPE Region origin ASes announcing only one prefix: 8204 RIPE Region transit ASes present in the Internet Routing Table: 2896 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 3104 Number of RIPE addresses announced to Internet: 659620228 Equivalent to 39 /8s, 81 /16s and 1 /24s Percentage of available RIPE address space announced: 95.9 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: 59141 Total LACNIC prefixes after maximum aggregation: 10806 LACNIC Deaggregation factor: 5.47 Prefixes being announced from the LACNIC address blocks: 67782 Unique aggregates announced from the LACNIC address blocks: 30606 LACNIC Region origin ASes present in the Internet Routing Table: 2347 LACNIC Prefixes per ASN: 28.88 LACNIC Region origin ASes announcing only one prefix: 650 LACNIC Region transit ASes present in the Internet Routing Table: 459 Average LACNIC Region AS path length visible: 4.8 Max LACNIC Region AS path length visible: 26 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1355 Number of LACNIC addresses announced to Internet: 171306112 Equivalent to 10 /8s, 53 /16s and 236 /24s Percentage of available LACNIC address space announced: 102.1 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: 12036 Total AfriNIC prefixes after maximum aggregation: 2837 AfriNIC Deaggregation factor: 4.24 Prefixes being announced from the AfriNIC address blocks: 12868 Unique aggregates announced from the AfriNIC address blocks: 4717 AfriNIC Region origin ASes present in the Internet Routing Table: 737 AfriNIC Prefixes per ASN: 17.46 AfriNIC Region origin ASes announcing only one prefix: 214 AfriNIC Region transit ASes present in the Internet Routing Table: 154 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: 58 Number of AfriNIC addresses announced to Internet: 59516160 Equivalent to 3 /8s, 140 /16s and 37 /24s Percentage of available AfriNIC address space announced: 59.1 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 2946 11584 926 Korea Telecom 17974 2822 903 77 PT Telekomunikasi Indonesia 7545 2389 336 124 TPG Telecom Limited 4755 1918 412 189 TATA Communications formerly 9829 1652 1306 39 National Internet Backbone 9808 1534 6639 15 Guangdong Mobile Communicatio 4808 1404 2197 412 CNCGROUP IP network China169 9583 1305 104 532 Sify Limited 9498 1303 333 91 BHARTI Airtel Ltd. 7552 1185 1098 14 Viettel Corporation 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 6389 2896 3688 51 BellSouth.net Inc. 22773 2892 2940 141 Cox Communications Inc. 18566 2046 379 182 MegaPath Corporation 7029 1854 1958 319 Windstream Communications Inc 20115 1804 1787 481 Charter Communications 4323 1634 1052 410 tw telecom holdings, inc. 6983 1516 867 252 ITC^Deltacom 30036 1477 308 619 Mediacom Communications Corp 701 1431 11258 715 MCI Communications Services, 22561 1305 408 237 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 34984 1822 296 348 TELLCOM ILETISIM HIZMETLERI A 20940 1489 577 1097 Akamai International B.V. 8402 1451 544 15 OJSC "Vimpelcom" 31148 1044 45 21 Freenet Ltd. 13188 1036 100 29 TOV "Bank-Inform" 8551 964 372 41 Bezeq International-Ltd 6849 834 356 26 JSC "Ukrtelecom" 12479 805 798 58 France Telecom Espana SA 6830 776 2334 431 Liberty Global Operations B.V 9198 675 346 29 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 28573 2996 2305 143 NET Serviços de Comunicação S 10620 2994 485 245 Telmex Colombia S.A. 6147 1801 374 30 Telefonica del Peru S.A.A. 7303 1770 1178 236 Telecom Argentina S.A. 8151 1481 3009 434 Uninet S.A. de C.V. 18881 1237 1036 22 Global Village Telecom 6503 1110 434 60 Axtel, S.A.B. de C.V. 7738 999 1882 41 Telemar Norte Leste S.A. 26615 915 2325 35 Tim Celular S.A. 27947 910 130 51 Telconet S.A 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 1355 958 13 TE-AS 24863 950 280 26 Link Egypt (Link.NET) 6713 678 760 38 Office National des Postes et 36992 347 824 27 ETISALAT MISR 24835 307 144 9 Vodafone Data 3741 249 920 212 Internet Solutions 29571 245 22 17 Cote d'Ivoire Telecom 37054 231 19 6 Data Telecom Service 15706 186 17 6 Sudatel (Sudan Telecom Co. Lt 12258 174 26 71 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 28573 2996 2305 143 NET Serviços de Comunicação S 10620 2994 485 245 Telmex Colombia S.A. 4766 2946 11584 926 Korea Telecom 6389 2896 3688 51 BellSouth.net Inc. 22773 2892 2940 141 Cox Communications Inc. 17974 2822 903 77 PT Telekomunikasi Indonesia 7545 2389 336 124 TPG Telecom Limited 18566 2046 379 182 MegaPath Corporation 4755 1918 412 189 TATA Communications formerly 7029 1854 1958 319 Windstream Communications 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 6389 2896 2845 BellSouth.net Inc. 22773 2892 2751 Cox Communications Inc. 10620 2994 2749 Telmex Colombia S.A. 17974 2822 2745 PT Telekomunikasi Indonesia 7545 2389 2265 TPG Telecom Limited 4766 2946 2020 Korea Telecom 18566 2046 1864 MegaPath Corporation 6147 1801 1771 Telefonica del Peru S.A.A. 4755 1918 1729 TATA Communications formerly 9829 1652 1613 National Internet Backbone 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 20260 UNALLOCATED 8.25.160.0/24 3356 Level 3 Communicatio 20260 UNALLOCATED 8.25.161.0/24 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 55020 UNALLOCATED 8.30.123.0/24 3356 Level 3 Communicatio 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 Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 5.100.241.0/24 23456 32bit Transition AS 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<< 41.73.1.0/24 37004 >>UNKNOWN<< 41.73.2.0/24 37004 >>UNKNOWN<< 41.73.10.0/24 37004 >>UNKNOWN<< 41.73.11.0/24 37004 >>UNKNOWN<< 41.73.12.0/24 37004 >>UNKNOWN<< 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 /10:30 /11:89 /12:261 /13:501 /14:1005 /15:1713 /16:13033 /17:7102 /18:11798 /19:24645 /20:35245 /21:37441 /22:55050 /23:47947 /24:275758 /25:1094 /26:1057 /27:710 /28:16 /29:19 /30:10 /31:1 /32:13 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 22773 2125 2892 Cox Communications Inc. 18566 2001 2046 MegaPath Corporation 6389 1676 2896 BellSouth.net Inc. 6147 1365 1801 Telefonica del Peru S.A.A. 30036 1323 1477 Mediacom Communications Corp 6983 1205 1516 ITC^Deltacom 11492 1145 1196 CABLE ONE, INC. 34984 1142 1822 TELLCOM ILETISIM HIZMETLERI A 7029 1140 1854 Windstream Communications Inc 8402 1119 1451 OJSC "Vimpelcom" Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1346 2:668 3:3 4:17 5:1165 6:21 8:761 12:1844 13:4 14:1144 15:17 16:2 17:42 18:21 20:51 23:942 24:1763 27:1818 31:1414 32:39 33:2 34:5 36:158 37:1779 38:1003 39:18 40:228 41:2956 42:257 43:471 44:17 45:81 46:2172 47:26 49:734 50:796 52:12 54:52 55:3 56:8 57:32 58:1212 59:644 60:434 61:1724 62:1254 63:1832 64:4384 65:2289 66:4221 67:2056 68:1052 69:3268 70:866 71:477 72:1992 74:2597 75:373 76:413 77:1604 78:1017 79:764 80:1329 81:1252 82:797 83:661 84:729 85:1350 86:453 87:1154 88:471 89:1790 90:138 91:5770 92:773 93:1670 94:2038 95:1302 96:428 97:340 98:1098 99:48 100:66 101:729 103:5821 104:450 105:140 106:188 107:647 108:578 109:1998 110:1045 111:1419 112:717 113:904 114:793 115:1182 116:1133 117:1048 118:1544 119:1352 120:458 121:974 122:2194 123:1639 124:1447 125:1512 128:616 129:354 130:362 131:909 132:430 133:165 134:325 135:78 136:321 137:292 138:379 139:192 140:222 141:407 142:598 143:417 144:505 145:110 146:691 147:557 148:996 149:378 150:504 151:721 152:474 153:240 154:358 155:564 156:376 157:330 158:278 159:945 160:324 161:602 162:1803 163:406 164:704 165:667 166:365 167:678 168:1123 169:122 170:1413 171:187 172:63 173:1633 174:708 175:617 176:1517 177:3620 178:2091 179:799 180:1748 181:1757 182:1663 183:628 184:707 185:2168 186:3001 187:1684 188:2143 189:1508 190:7868 191:777 192:7676 193:5536 194:4045 195:3605 196:1638 197:753 198:5273 199:5465 200:6462 201:2891 202:9149 203:9057 204:4698 205:2654 206:3023 207:2942 208:3931 209:3740 210:3307 211:1829 212:2366 213:2188 214:852 215:87 216:5600 217:1703 218:618 219:391 220:1371 221:703 222:484 223:599 End of report