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 23 Aug, 2014 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 507746 Prefixes after maximum aggregation: 197121 Deaggregation factor: 2.58 Unique aggregates announced to Internet: 249820 Total ASes present in the Internet Routing Table: 47537 Prefixes per ASN: 10.68 Origin-only ASes present in the Internet Routing Table: 36082 Origin ASes announcing only one prefix: 16389 Transit ASes present in the Internet Routing Table: 6142 Transit-only ASes present in the Internet Routing Table: 179 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 53 Max AS path prepend of ASN ( 50404) 51 Prefixes from unregistered ASNs in the Routing Table: 1644 Unregistered ASNs in the Routing Table: 436 Number of 32-bit ASNs allocated by the RIRs: 7255 Number of 32-bit ASNs visible in the Routing Table: 5313 Prefixes from 32-bit ASNs in the Routing Table: 19214 Number of bogon 32-bit ASNs visible in the Routing Table: 584 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 387 Number of addresses announced to Internet: 2713759876 Equivalent to 161 /8s, 192 /16s and 176 /24s Percentage of available address space announced: 73.3 Percentage of allocated address space announced: 73.3 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 96.8 Total number of prefixes smaller than registry allocations: 174262 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 123564 Total APNIC prefixes after maximum aggregation: 35943 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 127072 Unique aggregates announced from the APNIC address blocks: 52286 APNIC Region origin ASes present in the Internet Routing Table: 4975 APNIC Prefixes per ASN: 25.54 APNIC Region origin ASes announcing only one prefix: 1230 APNIC Region transit ASes present in the Internet Routing Table: 868 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1057 Number of APNIC addresses announced to Internet: 735421824 Equivalent to 43 /8s, 213 /16s and 165 /24s Percentage of available APNIC address space announced: 86.0 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-63999, 131072-133631 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: 169593 Total ARIN prefixes after maximum aggregation: 84870 ARIN Deaggregation factor: 2.00 Prefixes being announced from the ARIN address blocks: 171510 Unique aggregates announced from the ARIN address blocks: 80574 ARIN Region origin ASes present in the Internet Routing Table: 16364 ARIN Prefixes per ASN: 10.48 ARIN Region origin ASes announcing only one prefix: 6119 ARIN Region transit ASes present in the Internet Routing Table: 1697 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 22 Number of ARIN region 32-bit ASNs visible in the Routing Table: 174 Number of ARIN addresses announced to Internet: 1092923648 Equivalent to 65 /8s, 36 /16s and 177 /24s Percentage of available ARIN address space announced: 57.8 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: 124822 Total RIPE prefixes after maximum aggregation: 63061 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 129640 Unique aggregates announced from the RIPE address blocks: 82097 RIPE Region origin ASes present in the Internet Routing Table: 17709 RIPE Prefixes per ASN: 7.32 RIPE Region origin ASes announcing only one prefix: 8230 RIPE Region transit ASes present in the Internet Routing Table: 2884 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 53 Number of RIPE region 32-bit ASNs visible in the Routing Table: 2738 Number of RIPE addresses announced to Internet: 658608004 Equivalent to 39 /8s, 65 /16s and 143 /24s Percentage of available RIPE address space announced: 95.7 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, 196608-202239 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: 59435 Total LACNIC prefixes after maximum aggregation: 10461 LACNIC Deaggregation factor: 5.68 Prefixes being announced from the LACNIC address blocks: 67321 Unique aggregates announced from the LACNIC address blocks: 29947 LACNIC Region origin ASes present in the Internet Routing Table: 2237 LACNIC Prefixes per ASN: 30.09 LACNIC Region origin ASes announcing only one prefix: 594 LACNIC Region transit ASes present in the Internet Routing Table: 454 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 26 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1295 Number of LACNIC addresses announced to Internet: 168010880 Equivalent to 10 /8s, 3 /16s and 164 /24s Percentage of available LACNIC address space announced: 100.1 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 262144-263679 plus 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: 11029 Total AfriNIC prefixes after maximum aggregation: 2750 AfriNIC Deaggregation factor: 4.01 Prefixes being announced from the AfriNIC address blocks: 11816 Unique aggregates announced from the AfriNIC address blocks: 4600 AfriNIC Region origin ASes present in the Internet Routing Table: 736 AfriNIC Prefixes per ASN: 16.05 AfriNIC Region origin ASes announcing only one prefix: 216 AfriNIC Region transit ASes present in the Internet Routing Table: 162 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 25 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 49 Number of AfriNIC addresses announced to Internet: 58419200 Equivalent to 3 /8s, 123 /16s and 104 /24s Percentage of available AfriNIC address space announced: 58.0 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 4766 2932 11589 917 Korea Telecom 17974 2815 901 75 PT Telekomunikasi Indonesia 7545 2329 336 120 TPG Telecom Limited 4755 1891 413 191 TATA Communications formerly 9829 1655 1307 32 National Internet Backbone 9583 1315 104 537 Sify Limited 9498 1301 317 92 BHARTI Airtel Ltd. 7552 1238 1098 14 Viettel Corporation 4808 1200 2156 367 CNCGROUP IP network China169 24560 1167 404 190 Bharti Airtel Ltd., Telemedia 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 2929 2940 142 Cox Communications Inc. 6389 2898 3688 51 BellSouth.net Inc. 18566 2045 379 178 MegaPath Corporation 20115 1763 1749 536 Charter Communications 4323 1631 1073 411 tw telecom holdings, inc. 30036 1542 322 550 Mediacom Communications Corp 6983 1443 817 314 ITC^Deltacom 701 1439 11243 724 MCI Communications Services, 22561 1306 407 235 CenturyTel Internet Holdings, 7029 1259 1958 305 Windstream Communications 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 34984 1736 298 282 TELLCOM ILETISIM HIZMETLERI A 20940 1477 575 1087 Akamai International B.V. 8402 1284 544 15 OJSC "Vimpelcom" 13188 1050 97 48 TOV "Bank-Inform" 31148 1042 45 20 Freenet Ltd. 8551 987 371 41 Bezeq International-Ltd 6849 802 356 27 JSC "Ukrtelecom" 12479 776 798 58 France Telecom Espana SA 6830 772 2334 427 Liberty Global Operations B.V 9198 632 346 28 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 3361 2017 147 NET Serviços de Comunicação S 10620 2960 480 214 Telmex Colombia S.A. 18881 2083 1036 22 Global Village Telecom 7303 1764 1179 231 Telecom Argentina S.A. 6147 1743 374 30 Telefonica del Peru S.A.A. 8151 1466 2995 421 Uninet S.A. de C.V. 6503 1077 434 62 Axtel, S.A.B. de C.V. 7738 977 1882 41 Telemar Norte Leste S.A. 27947 901 130 51 Telconet S.A 26615 869 2325 35 Tim Celular 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 24863 931 280 26 Link Egypt (Link.NET) 6713 669 744 37 Office National des Postes et 8452 598 958 13 TE-AS 36992 312 784 26 ETISALAT MISR 24835 307 144 9 Vodafone Data 3741 249 920 212 Internet Solutions 29571 237 22 17 Cote d'Ivoire Telecom 37054 236 19 6 Data Telecom Service 15706 185 32 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 3361 2017 147 NET Serviços de Comunicação S 10620 2960 480 214 Telmex Colombia S.A. 4766 2932 11589 917 Korea Telecom 22773 2929 2940 142 Cox Communications Inc. 6389 2898 3688 51 BellSouth.net Inc. 17974 2815 901 75 PT Telekomunikasi Indonesia 7545 2329 336 120 TPG Telecom Limited 18881 2083 1036 22 Global Village Telecom 18566 2045 379 178 MegaPath Corporation 4755 1891 413 191 TATA Communications formerly 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 2898 2847 BellSouth.net Inc. 22773 2929 2787 Cox Communications Inc. 10620 2960 2746 Telmex Colombia S.A. 17974 2815 2740 PT Telekomunikasi Indonesia 7545 2329 2209 TPG Telecom Limited 18881 2083 2061 Global Village Telecom 4766 2932 2015 Korea Telecom 18566 2045 1867 MegaPath Corporation 6147 1743 1713 Telefonica del Peru S.A.A. 4755 1891 1700 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 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 24.231.96.0/24 21548 MTO Telecom Inc. 27.100.7.0/24 56096 >>UNKNOWN<< 41.70.16.0/20 37098 globe internet limited 41.70.40.0/21 37098 globe internet limited 41.70.64.0/21 37098 globe internet limited 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 /9:13 /10:30 /11:91 /12:260 /13:499 /14:981 /15:1706 /16:13021 /17:7022 /18:11724 /19:24621 /20:35264 /21:37568 /22:54097 /23:47718 /24:271038 /25:806 /26:811 /27:405 /28:13 /29:17 /30:10 /31:1 /32:14 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 22773 2165 2929 Cox Communications Inc. 18566 2000 2045 MegaPath Corporation 6389 1675 2898 BellSouth.net Inc. 30036 1391 1542 Mediacom Communications Corp 6147 1316 1743 Telefonica del Peru S.A.A. 11492 1155 1206 CABLE ONE, INC. 6983 1149 1443 ITC^Deltacom 34984 1057 1736 TELLCOM ILETISIM HIZMETLERI A 10620 1036 2960 Telmex Colombia S.A. 22561 1001 1306 CenturyTel Internet Holdings, Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1333 2:657 3:3 4:15 5:1075 6:21 8:727 12:1860 13:4 14:1110 15:15 16:2 17:40 18:21 20:51 23:906 24:1797 27:1795 31:1475 32:41 33:2 34:5 36:146 37:1853 38:967 39:11 40:210 41:2561 42:268 43:199 44:16 45:53 46:2139 47:24 49:734 50:829 52:12 54:49 55:4 56:4 57:32 58:1212 59:662 60:429 61:1681 62:1241 63:1829 64:4391 65:2317 66:4189 67:2057 68:1046 69:3361 70:902 71:459 72:2092 74:2600 75:337 76:415 77:1616 78:799 79:723 80:1315 81:1209 82:760 83:771 84:775 85:1317 86:426 87:1147 88:463 89:1798 90:135 91:5681 92:765 93:1775 94:2023 95:1598 96:513 97:361 98:1126 99:49 100:65 101:704 103:5398 104:208 105:37 106:179 107:598 108:582 109:2015 110:1027 111:1350 112:702 113:864 114:779 115:1149 116:1125 117:984 118:1524 119:1409 120:421 121:970 122:2162 123:1611 124:1423 125:1566 128:583 129:347 130:366 131:722 132:414 133:162 134:319 135:75 136:301 137:287 138:385 139:172 140:228 141:396 142:562 143:422 144:506 145:116 146:617 147:498 148:961 149:410 150:435 151:593 152:457 153:219 154:335 155:524 156:355 157:328 158:280 159:938 160:328 161:575 162:1709 163:342 164:689 165:641 166:345 167:669 168:1112 169:122 170:1385 171:182 172:64 173:1523 174:711 175:623 176:1463 177:3469 178:2067 179:770 180:1777 181:1581 182:1622 183:556 184:702 185:1963 186:2894 187:1623 188:2205 189:1460 190:7989 191:699 192:7512 193:5496 194:4060 195:3567 196:1430 197:679 198:5142 199:5487 200:6466 201:2850 202:9187 203:9017 204:4556 205:2642 206:2966 207:2892 208:3957 209:3704 210:3297 211:1837 212:2338 213:2134 214:881 215:88 216:5605 217:1682 218:615 219:408 220:1369 221:645 222:478 223:595 End of report