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 29 Mar, 2014 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 489473 Prefixes after maximum aggregation: 192590 Deaggregation factor: 2.54 Unique aggregates announced to Internet: 241381 Total ASes present in the Internet Routing Table: 46469 Prefixes per ASN: 10.53 Origin-only ASes present in the Internet Routing Table: 35716 Origin ASes announcing only one prefix: 16381 Transit ASes present in the Internet Routing Table: 6035 Transit-only ASes present in the Internet Routing Table: 173 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: 1863 Unregistered ASNs in the Routing Table: 476 Number of 32-bit ASNs allocated by the RIRs: 6256 Number of 32-bit ASNs visible in the Routing Table: 4718 Prefixes from 32-bit ASNs in the Routing Table: 15266 Number of bogon 32-bit ASNs visible in the Routing Table: 50 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 444 Number of addresses announced to Internet: 2662858628 Equivalent to 158 /8s, 183 /16s and 255 /24s Percentage of available address space announced: 71.9 Percentage of allocated address space announced: 71.9 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 96.0 Total number of prefixes smaller than registry allocations: 170530 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 116226 Total APNIC prefixes after maximum aggregation: 34666 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 118899 Unique aggregates announced from the APNIC address blocks: 49753 APNIC Region origin ASes present in the Internet Routing Table: 4908 APNIC Prefixes per ASN: 24.23 APNIC Region origin ASes announcing only one prefix: 1230 APNIC Region transit ASes present in the Internet Routing Table: 855 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 879 Number of APNIC addresses announced to Internet: 729984896 Equivalent to 43 /8s, 130 /16s and 175 /24s Percentage of available APNIC address space announced: 85.3 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: 166997 Total ARIN prefixes after maximum aggregation: 83020 ARIN Deaggregation factor: 2.01 Prefixes being announced from the ARIN address blocks: 168430 Unique aggregates announced from the ARIN address blocks: 78330 ARIN Region origin ASes present in the Internet Routing Table: 16204 ARIN Prefixes per ASN: 10.39 ARIN Region origin ASes announcing only one prefix: 6115 ARIN Region transit ASes present in the Internet Routing Table: 1671 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 20 Number of ARIN region 32-bit ASNs visible in the Routing Table: 77 Number of ARIN addresses announced to Internet: 1067831936 Equivalent to 63 /8s, 165 /16s and 210 /24s Percentage of available ARIN address space announced: 56.5 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: 123204 Total RIPE prefixes after maximum aggregation: 62152 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 127271 Unique aggregates announced from the RIPE address blocks: 80443 RIPE Region origin ASes present in the Internet Routing Table: 17648 RIPE Prefixes per ASN: 7.21 RIPE Region origin ASes announcing only one prefix: 8286 RIPE Region transit ASes present in the Internet Routing Table: 2863 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: 2678 Number of RIPE addresses announced to Internet: 657612420 Equivalent to 39 /8s, 50 /16s and 94 /24s Percentage of available RIPE address space announced: 95.6 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, 196608-202239 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: 55383 Total LACNIC prefixes after maximum aggregation: 10055 LACNIC Deaggregation factor: 5.51 Prefixes being announced from the LACNIC address blocks: 61471 Unique aggregates announced from the LACNIC address blocks: 28188 LACNIC Region origin ASes present in the Internet Routing Table: 2082 LACNIC Prefixes per ASN: 29.52 LACNIC Region origin ASes announcing only one prefix: 547 LACNIC Region transit ASes present in the Internet Routing Table: 422 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: 1070 Number of LACNIC addresses announced to Internet: 154037760 Equivalent to 9 /8s, 46 /16s and 110 /24s Percentage of available LACNIC address space announced: 91.8 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: 12290 Total AfriNIC prefixes after maximum aggregation: 2658 AfriNIC Deaggregation factor: 4.62 Prefixes being announced from the AfriNIC address blocks: 12958 Unique aggregates announced from the AfriNIC address blocks: 4292 AfriNIC Region origin ASes present in the Internet Routing Table: 709 AfriNIC Prefixes per ASN: 18.28 AfriNIC Region origin ASes announcing only one prefix: 203 AfriNIC Region transit ASes present in the Internet Routing Table: 151 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 14 Number of AfriNIC addresses announced to Internet: 53079552 Equivalent to 3 /8s, 41 /16s and 238 /24s Percentage of available AfriNIC address space announced: 52.7 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 2972 11582 896 Korea Telecom 17974 2776 903 78 PT Telekomunikasi Indonesia 7545 2229 320 118 TPG Telecom Limited 4755 1843 396 197 TATA Communications formerly 9829 1621 1288 35 National Internet Backbone 4808 1360 2227 386 CNCGROUP IP network China169 9583 1316 102 533 Sify Limited 9498 1247 312 79 BHARTI Airtel Ltd. 7552 1228 1082 13 Viettel Corporation 24560 1123 384 177 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 6389 3009 3688 53 BellSouth.net Inc. 22773 2410 2938 140 Cox Communications Inc. 1785 2193 696 130 PaeTec Communications, Inc. 18566 2048 379 178 MegaPath Corporation 20115 1695 1675 576 Charter Communications 4323 1632 1089 414 tw telecom holdings, inc. 701 1485 11158 756 MCI Communications Services, 30036 1393 301 548 Mediacom Communications Corp 6983 1328 800 308 ITC^Deltacom 22561 1304 402 232 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 8402 1717 544 15 OJSC "Vimpelcom" 34984 1548 263 278 TELLCOM ILETISIM HIZMETLERI A 20940 1267 479 950 Akamai International B.V. 13188 1048 100 33 TOV "Bank-Inform" 31148 1017 45 21 Freenet Ltd. 8551 966 370 41 Bezeq International-Ltd 6849 862 361 34 JSC "Ukrtelecom" 6830 763 2329 426 Liberty Global Operations B.V 12479 715 797 56 France Telecom Espana SA 35228 555 246 16 Telefonica UK Limited 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 3633 1947 96 NET Serviços de Comunicação S 10620 2804 449 192 Telmex Colombia S.A. 18881 1917 972 21 Global Village Telecom 7303 1751 1172 228 Telecom Argentina S.A. 8151 1397 2922 407 Uninet S.A. de C.V. 6503 1158 434 61 Axtel, S.A.B. de C.V. 7738 912 1754 40 Telemar Norte Leste S.A. 27947 860 113 48 Telconet S.A 11830 847 364 15 Instituto Costarricense de El 3816 785 319 128 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 36998 1637 240 6 Sudanese Mobile Telephone (ZA 24863 947 280 26 Link Egypt (Link.NET) 6713 603 701 28 Office National des Postes et 8452 522 958 13 TE-AS 24835 303 144 9 Vodafone Data 36992 284 783 24 ETISALAT MISR 3741 248 921 209 Internet Solutions 15706 219 32 6 Sudatel (Sudan Telecom Co. Lt 29571 218 22 18 Cote d'Ivoire Telecom 37054 215 23 11 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 28573 3633 1947 96 NET Serviços de Comunicação S 6389 3009 3688 53 BellSouth.net Inc. 4766 2972 11582 896 Korea Telecom 10620 2804 449 192 Telmex Colombia S.A. 17974 2776 903 78 PT Telekomunikasi Indonesia 22773 2410 2938 140 Cox Communications Inc. 7545 2229 320 118 TPG Telecom Limited 1785 2193 696 130 PaeTec Communications, Inc. 18566 2048 379 178 MegaPath Corporation 18881 1917 972 21 Global Village Telecom 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 3009 2956 BellSouth.net Inc. 17974 2776 2698 PT Telekomunikasi Indonesia 10620 2804 2612 Telmex Colombia S.A. 22773 2410 2270 Cox Communications Inc. 7545 2229 2111 TPG Telecom Limited 4766 2972 2076 Korea Telecom 1785 2193 2063 PaeTec Communications, Inc. 18881 1917 1896 Global Village Telecom 18566 2048 1870 MegaPath Corporation 8402 1717 1702 OJSC "Vimpelcom" Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 65456 PRIVATE 5.109.32.0/19 23456 32bit Transition AS 65456 PRIVATE 5.109.96.0/19 23456 32bit Transition AS 30662 UNALLOCATED 8.2.129.0/24 3356 Level 3 Communicatio 14728 UNALLOCATED 8.8.192.0/23 3356 Level 3 Communicatio 14728 UNALLOCATED 8.8.196.0/22 3356 Level 3 Communicatio 14728 UNALLOCATED 8.8.200.0/23 3356 Level 3 Communicatio 14728 UNALLOCATED 8.8.202.0/23 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 Complete listing at http://thyme.rand.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 27.100.7.0/24 56096 >>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<< 41.73.13.0/24 37004 >>UNKNOWN<< 41.73.14.0/24 37004 >>UNKNOWN<< 41.73.15.0/24 37004 >>UNKNOWN<< 41.73.16.0/24 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 /11:90 /12:255 /13:478 /14:952 /15:1660 /16:12892 /17:6788 /18:11531 /19:24017 /20:33896 /21:36568 /22:52176 /23:45672 /24:260264 /25:791 /26:883 /27:422 /28:13 /29:20 /30:8 /31:1 /32:38 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 2003 2048 MegaPath Corporation 6389 1695 3009 BellSouth.net Inc. 22773 1647 2410 Cox Communications Inc. 36998 1599 1637 Sudanese Mobile Telephone (ZA 8402 1394 1717 OJSC "Vimpelcom" 30036 1231 1393 Mediacom Communications Corp 11492 1178 1226 CABLE ONE, INC. 1785 1168 2193 PaeTec Communications, Inc. 6983 1044 1328 ITC^Deltacom 34984 1017 1548 TELLCOM ILETISIM HIZMETLERI A Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1011 2:694 3:3 4:15 5:918 6:19 8:722 12:1842 13:4 14:973 15:13 16:3 17:31 18:21 20:35 23:763 24:1728 25:1 27:1769 31:1523 32:40 33:2 34:5 36:127 37:1829 38:944 39:4 40:195 41:3129 42:244 44:18 46:2166 47:18 49:676 50:917 52:12 54:47 55:9 57:29 58:1176 59:601 60:380 61:1529 62:1263 63:1984 64:4354 65:2256 66:4164 67:2046 68:1019 69:3317 70:842 71:452 72:1970 74:2627 75:315 76:404 77:1363 78:1041 79:717 80:1326 81:1143 82:700 83:758 84:742 85:1300 86:435 87:1195 88:520 89:1774 90:149 91:5796 92:668 93:1713 94:2066 95:1514 96:538 97:349 98:1080 99:46 100:50 101:832 103:4516 105:534 106:166 107:576 108:559 109:2036 110:981 111:1285 112:663 113:843 114:876 115:1107 116:1057 117:875 118:1368 119:1333 120:376 121:795 122:1911 123:1296 124:1461 125:1485 128:658 129:318 130:351 131:651 132:359 133:159 134:318 135:74 136:253 137:321 138:351 139:166 140:211 141:359 142:558 143:424 144:500 145:103 146:607 147:434 148:907 149:343 150:161 151:598 152:424 153:219 154:237 155:469 156:336 157:339 158:219 159:880 160:346 161:477 162:1283 163:222 164:680 165:616 166:280 167:603 168:1029 169:124 170:1296 171:191 172:23 173:1593 174:684 175:605 176:1476 177:2827 178:1966 179:636 180:1679 181:1039 182:1528 183:514 184:722 185:1441 186:2836 187:1489 188:1875 189:1429 190:7436 191:132 192:7180 193:5473 194:4009 195:3371 196:1377 197:1118 198:4986 199:5633 200:6065 201:2657 202:8967 203:8928 204:4654 205:2703 206:2938 207:2957 208:4004 209:3731 210:3096 211:1699 212:2224 213:2077 214:895 215:85 216:5514 217:1686 218:587 219:320 220:1282 221:594 222:352 223:606 End of report