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 12 Apr, 2014 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 490753 Prefixes after maximum aggregation: 193016 Deaggregation factor: 2.54 Unique aggregates announced to Internet: 242489 Total ASes present in the Internet Routing Table: 46574 Prefixes per ASN: 10.54 Origin-only ASes present in the Internet Routing Table: 35707 Origin ASes announcing only one prefix: 16364 Transit ASes present in the Internet Routing Table: 6067 Transit-only ASes present in the Internet Routing Table: 173 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 53 Max AS path prepend of ASN ( 50404) 51 Prefixes from unregistered ASNs in the Routing Table: 1855 Unregistered ASNs in the Routing Table: 471 Number of 32-bit ASNs allocated by the RIRs: 6366 Number of 32-bit ASNs visible in the Routing Table: 4800 Prefixes from 32-bit ASNs in the Routing Table: 15763 Number of bogon 32-bit ASNs visible in the Routing Table: 95 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 493 Number of addresses announced to Internet: 2667159300 Equivalent to 158 /8s, 249 /16s and 159 /24s Percentage of available address space announced: 72.0 Percentage of allocated address space announced: 72.0 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 96.1 Total number of prefixes smaller than registry allocations: 171113 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 116260 Total APNIC prefixes after maximum aggregation: 34801 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 119063 Unique aggregates announced from the APNIC address blocks: 49824 APNIC Region origin ASes present in the Internet Routing Table: 4911 APNIC Prefixes per ASN: 24.24 APNIC Region origin ASes announcing only one prefix: 1222 APNIC Region transit ASes present in the Internet Routing Table: 859 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 906 Number of APNIC addresses announced to Internet: 729825408 Equivalent to 43 /8s, 128 /16s and 64 /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: 167314 Total ARIN prefixes after maximum aggregation: 82965 ARIN Deaggregation factor: 2.02 Prefixes being announced from the ARIN address blocks: 168705 Unique aggregates announced from the ARIN address blocks: 78477 ARIN Region origin ASes present in the Internet Routing Table: 16199 ARIN Prefixes per ASN: 10.41 ARIN Region origin ASes announcing only one prefix: 6096 ARIN Region transit ASes present in the Internet Routing Table: 1676 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: 84 Number of ARIN addresses announced to Internet: 1068639616 Equivalent to 63 /8s, 178 /16s and 37 /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: 123278 Total RIPE prefixes after maximum aggregation: 62465 RIPE Deaggregation factor: 1.97 Prefixes being announced from the RIPE address blocks: 127543 Unique aggregates announced from the RIPE address blocks: 81103 RIPE Region origin ASes present in the Internet Routing Table: 17665 RIPE Prefixes per ASN: 7.22 RIPE Region origin ASes announcing only one prefix: 8294 RIPE Region transit ASes present in the Internet Routing Table: 2864 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: 2686 Number of RIPE addresses announced to Internet: 657604740 Equivalent to 39 /8s, 50 /16s and 64 /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: 55643 Total LACNIC prefixes after maximum aggregation: 10081 LACNIC Deaggregation factor: 5.52 Prefixes being announced from the LACNIC address blocks: 61878 Unique aggregates announced from the LACNIC address blocks: 28388 LACNIC Region origin ASes present in the Internet Routing Table: 2085 LACNIC Prefixes per ASN: 29.68 LACNIC Region origin ASes announcing only one prefix: 551 LACNIC Region transit ASes present in the Internet Routing Table: 434 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: 1102 Number of LACNIC addresses announced to Internet: 157533312 Equivalent to 9 /8s, 99 /16s and 196 /24s Percentage of available LACNIC address space announced: 93.9 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: 12389 Total AfriNIC prefixes after maximum aggregation: 2666 AfriNIC Deaggregation factor: 4.65 Prefixes being announced from the AfriNIC address blocks: 13071 Unique aggregates announced from the AfriNIC address blocks: 4272 AfriNIC Region origin ASes present in the Internet Routing Table: 715 AfriNIC Prefixes per ASN: 18.28 AfriNIC Region origin ASes announcing only one prefix: 201 AfriNIC Region transit ASes present in the Internet Routing Table: 151 Average AfriNIC Region AS path length visible: 4.7 Max AfriNIC Region AS path length visible: 25 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 22 Number of AfriNIC addresses announced to Internet: 53141504 Equivalent to 3 /8s, 42 /16s and 224 /24s Percentage of available AfriNIC address space announced: 52.8 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 2919 11589 898 Korea Telecom 17974 2780 903 78 PT Telekomunikasi Indonesia 7545 2216 320 115 TPG Telecom Limited 4755 1843 396 197 TATA Communications formerly 9829 1622 1288 35 National Internet Backbone 4808 1366 2226 386 CNCGROUP IP network China169 9583 1317 102 534 Sify Limited 9498 1245 310 75 BHARTI Airtel Ltd. 7552 1223 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 2997 3688 53 BellSouth.net Inc. 22773 2411 2938 137 Cox Communications Inc. 1785 2192 697 130 PaeTec Communications, Inc. 18566 2047 379 178 MegaPath Corporation 20115 1702 1683 581 Charter Communications 4323 1635 1074 416 tw telecom holdings, inc. 701 1480 11156 751 MCI Communications Services, 30036 1395 301 545 Mediacom Communications Corp 22561 1309 402 232 CenturyTel Internet Holdings, 7018 1268 18243 831 AT&T Services, 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 8402 1649 544 16 OJSC "Vimpelcom" 34984 1555 263 278 TELLCOM ILETISIM HIZMETLERI A 20940 1294 495 981 Akamai International B.V. 31148 1017 45 21 Freenet Ltd. 13188 945 94 109 TOV "Bank-Inform" 8551 927 370 41 Bezeq International-Ltd 6849 830 360 30 JSC "Ukrtelecom" 6830 763 2329 426 Liberty Global Operations B.V 12479 718 797 56 France Telecom Espana SA 35228 553 245 17 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 3662 1948 97 NET Serviços de Comunicação S 10620 2820 454 211 Telmex Colombia S.A. 18881 1922 972 21 Global Village Telecom 7303 1753 1173 229 Telecom Argentina S.A. 8151 1398 2940 404 Uninet S.A. de C.V. 6503 1154 434 60 Axtel, S.A.B. de C.V. 7738 914 1754 40 Telemar Norte Leste S.A. 27947 863 114 50 Telconet S.A 11830 845 364 15 Instituto Costarricense de El 3816 795 321 133 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 954 280 26 Link Egypt (Link.NET) 6713 614 722 28 Office National des Postes et 8452 568 958 13 TE-AS 24835 304 144 9 Vodafone Data 36992 295 783 24 ETISALAT MISR 3741 248 921 209 Internet Solutions 37054 234 23 11 Data Telecom Service 29571 219 22 18 Cote d'Ivoire Telecom 29975 192 668 21 Vodacom 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 3662 1948 97 NET Serviços de Comunicação S 6389 2997 3688 53 BellSouth.net Inc. 4766 2919 11589 898 Korea Telecom 10620 2820 454 211 Telmex Colombia S.A. 17974 2780 903 78 PT Telekomunikasi Indonesia 22773 2411 2938 137 Cox Communications Inc. 7545 2216 320 115 TPG Telecom Limited 1785 2192 697 130 PaeTec Communications, Inc. 18566 2047 379 178 MegaPath Corporation 18881 1922 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 2997 2944 BellSouth.net Inc. 17974 2780 2702 PT Telekomunikasi Indonesia 10620 2820 2609 Telmex Colombia S.A. 22773 2411 2274 Cox Communications Inc. 7545 2216 2101 TPG Telecom Limited 1785 2192 2062 PaeTec Communications, Inc. 4766 2919 2021 Korea Telecom 18881 1922 1901 Global Village Telecom 18566 2047 1869 MegaPath Corporation 4755 1843 1646 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 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 24.55.64.0/21 36423 San Juan Cable, LLC 24.55.72.0/21 36423 San Juan Cable, LLC 24.55.80.0/21 36423 San Juan Cable, LLC 24.55.88.0/21 36423 San Juan Cable, LLC 24.55.96.0/21 36423 San Juan Cable, LLC 24.55.104.0/21 36423 San Juan Cable, LLC 24.55.112.0/21 36423 San Juan Cable, LLC 24.55.120.0/21 36423 San Juan Cable, LLC 24.137.224.0/21 36423 San Juan Cable, LLC 24.137.232.0/21 36423 San Juan Cable, LLC 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 /12:258 /13:477 /14:958 /15:1671 /16:12921 /17:6806 /18:11584 /19:23973 /20:33892 /21:36648 /22:52388 /23:45822 /24:260959 /25:816 /26:950 /27:403 /28:13 /29:19 /30:8 /31:1 /32:38 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 2002 2047 MegaPath Corporation 6389 1695 2997 BellSouth.net Inc. 22773 1650 2411 Cox Communications Inc. 36998 1599 1637 Sudanese Mobile Telephone (ZA 8402 1328 1649 OJSC "Vimpelcom" 30036 1233 1395 Mediacom Communications Corp 11492 1185 1233 CABLE ONE, INC. 1785 1165 2192 PaeTec Communications, Inc. 6983 1041 1228 ITC^Deltacom 34984 1023 1555 TELLCOM ILETISIM HIZMETLERI A Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1022 2:706 3:3 4:15 5:935 6:19 8:721 12:1854 13:4 14:972 15:13 16:2 17:30 18:21 20:35 23:811 24:1745 25:1 27:1752 31:1505 32:40 33:2 34:5 36:129 37:1819 38:946 39:5 40:197 41:3203 42:246 44:16 46:2193 47:18 49:686 50:910 52:12 54:46 55:6 57:29 58:1158 59:606 60:392 61:1529 62:1233 63:1981 64:4336 65:2246 66:4155 67:2063 68:1035 69:3296 70:843 71:450 72:1989 74:2642 75:312 76:412 77:1473 78:992 79:709 80:1310 81:1144 82:746 83:754 84:706 85:1264 86:451 87:1197 88:520 89:1823 90:140 91:5748 92:668 93:1717 94:2067 95:1522 96:544 97:350 98:1075 99:46 100:50 101:785 103:4626 105:534 106:168 107:552 108:564 109:2025 110:985 111:1273 112:650 113:848 114:882 115:1106 116:1047 117:882 118:1388 119:1330 120:375 121:802 122:1912 123:1291 124:1430 125:1400 128:657 129:324 130:345 131:653 132:395 133:162 134:319 135:73 136:251 137:323 138:356 139:168 140:211 141:360 142:571 143:418 144:501 145:104 146:606 147:434 148:924 149:361 150:161 151:625 152:422 153:218 154:251 155:477 156:332 157:339 158:239 159:874 160:343 161:479 162:1323 163:220 164:685 165:612 166:281 167:610 168:1028 169:124 170:1368 171:187 172:21 173:1633 174:694 175:617 176:1485 177:2903 178:1947 179:648 180:1710 181:1102 182:1533 183:516 184:710 185:1488 186:2800 187:1500 188:1930 189:1453 190:7424 191:191 192:7168 193:5481 194:4026 195:3382 196:1392 197:1143 198:5004 199:5620 200:6083 201:2644 202:8998 203:8904 204:4660 205:2703 206:2920 207:2927 208:4012 209:3712 210:3104 211:1698 212:2176 213:2072 214:900 215:85 216:5468 217:1691 218:584 219:321 220:1282 221:594 222:350 223:613 End of report