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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Apr 18 20:12:48 CEST 2014
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 at lists.apnic.net For historical data, please see http://thyme.rand.apnic.net. If you have any comments please contact Philip Smith <pfsinoz at gmail.com>. Routing Table Report 04:00 +10GMT Sat 19 Apr, 2014 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 492222 Prefixes after maximum aggregation: 193201 Deaggregation factor: 2.55 Unique aggregates announced to Internet: 242977 Total ASes present in the Internet Routing Table: 46643 Prefixes per ASN: 10.55 Origin-only ASes present in the Internet Routing Table: 35761 Origin ASes announcing only one prefix: 16379 Transit ASes present in the Internet Routing Table: 6050 Transit-only ASes present in the Internet Routing Table: 174 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: 1858 Unregistered ASNs in the Routing Table: 473 Number of 32-bit ASNs allocated by the RIRs: 6417 Number of 32-bit ASNs visible in the Routing Table: 4832 Prefixes from 32-bit ASNs in the Routing Table: 15924 Number of bogon 32-bit ASNs visible in the Routing Table: 90 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 440 Number of addresses announced to Internet: 2669487108 Equivalent to 159 /8s, 29 /16s and 36 /24s Percentage of available address space announced: 72.1 Percentage of allocated address space announced: 72.1 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: 171386 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 116903 Total APNIC prefixes after maximum aggregation: 34905 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 119739 Unique aggregates announced from the APNIC address blocks: 49900 APNIC Region origin ASes present in the Internet Routing Table: 4917 APNIC Prefixes per ASN: 24.35 APNIC Region origin ASes announcing only one prefix: 1221 APNIC Region transit ASes present in the Internet Routing Table: 852 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: 912 Number of APNIC addresses announced to Internet: 731230080 Equivalent to 43 /8s, 149 /16s and 175 /24s Percentage of available APNIC address space announced: 85.5 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: 167455 Total ARIN prefixes after maximum aggregation: 83038 ARIN Deaggregation factor: 2.02 Prefixes being announced from the ARIN address blocks: 168921 Unique aggregates announced from the ARIN address blocks: 78775 ARIN Region origin ASes present in the Internet Routing Table: 16215 ARIN Prefixes per ASN: 10.42 ARIN Region origin ASes announcing only one prefix: 6106 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: 87 Number of ARIN addresses announced to Internet: 1068987008 Equivalent to 63 /8s, 183 /16s and 114 /24s Percentage of available ARIN address space announced: 56.6 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: 123457 Total RIPE prefixes after maximum aggregation: 62486 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 127706 Unique aggregates announced from the RIPE address blocks: 81131 RIPE Region origin ASes present in the Internet Routing Table: 17680 RIPE Prefixes per ASN: 7.22 RIPE Region origin ASes announcing only one prefix: 8305 RIPE Region transit ASes present in the Internet Routing Table: 2861 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: 2693 Number of RIPE addresses announced to Internet: 657743236 Equivalent to 39 /8s, 52 /16s and 93 /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: 55999 Total LACNIC prefixes after maximum aggregation: 10071 LACNIC Deaggregation factor: 5.56 Prefixes being announced from the LACNIC address blocks: 62354 Unique aggregates announced from the LACNIC address blocks: 28522 LACNIC Region origin ASes present in the Internet Routing Table: 2087 LACNIC Prefixes per ASN: 29.88 LACNIC Region origin ASes announcing only one prefix: 547 LACNIC Region transit ASes present in the Internet Routing Table: 427 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: 1116 Number of LACNIC addresses announced to Internet: 158042752 Equivalent to 9 /8s, 107 /16s and 138 /24s Percentage of available LACNIC address space announced: 94.2 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: 12379 Total AfriNIC prefixes after maximum aggregation: 2664 AfriNIC Deaggregation factor: 4.65 Prefixes being announced from the AfriNIC address blocks: 13062 Unique aggregates announced from the AfriNIC address blocks: 4278 AfriNIC Region origin ASes present in the Internet Routing Table: 713 AfriNIC Prefixes per ASN: 18.32 AfriNIC Region origin ASes announcing only one prefix: 200 AfriNIC Region transit ASes present in the Internet Routing Table: 149 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: 24 Number of AfriNIC addresses announced to Internet: 53143296 Equivalent to 3 /8s, 42 /16s and 231 /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 2951 11591 914 Korea Telecom 17974 2779 903 78 PT Telekomunikasi Indonesia 7545 2218 336 116 TPG Telecom Limited 4755 1844 396 197 TATA Communications formerly 9829 1622 1288 35 National Internet Backbone 9583 1331 103 544 Sify Limited 9498 1258 313 82 BHARTI Airtel Ltd. 7552 1218 1082 13 Viettel Corporation 4808 1205 2142 351 CNCGROUP IP network China169 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 2993 3688 53 BellSouth.net Inc. 22773 2413 2938 137 Cox Communications Inc. 1785 2194 698 132 PaeTec Communications, Inc. 18566 2047 379 178 MegaPath Corporation 20115 1702 1685 575 Charter Communications 4323 1624 1072 406 tw telecom holdings, inc. 701 1480 11156 751 MCI Communications Services, 30036 1400 303 542 Mediacom Communications Corp 22561 1309 402 232 CenturyTel Internet Holdings, 7018 1264 18243 830 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 1607 544 16 OJSC "Vimpelcom" 34984 1564 263 279 TELLCOM ILETISIM HIZMETLERI A 20940 1322 510 998 Akamai International B.V. 13188 1049 100 28 TOV "Bank-Inform" 31148 1018 45 19 Freenet Ltd. 8551 927 370 41 Bezeq International-Ltd 6849 830 360 30 JSC "Ukrtelecom" 6830 766 2329 427 Liberty Global Operations B.V 12479 720 797 56 France Telecom Espana SA 35228 553 245 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 3740 1952 100 NET Serviços de Comunicação S 10620 2835 457 202 Telmex Colombia S.A. 18881 1924 972 21 Global Village Telecom 7303 1754 1174 229 Telecom Argentina S.A. 8151 1398 2942 405 Uninet S.A. de C.V. 6503 1147 434 60 Axtel, S.A.B. de C.V. 7738 914 1754 40 Telemar Norte Leste S.A. 27947 864 114 50 Telconet S.A 11830 844 364 15 Instituto Costarricense de El 26615 819 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 36998 1634 240 6 Sudanese Mobile Telephone (ZA 24863 953 280 26 Link Egypt (Link.NET) 6713 614 722 28 Office National des Postes et 8452 565 958 13 TE-AS 24835 304 144 9 Vodafone Data 36992 275 783 24 ETISALAT MISR 3741 248 921 209 Internet Solutions 29571 228 22 18 Cote d'Ivoire Telecom 37054 222 23 11 Data Telecom Service 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 3740 1952 100 NET Serviços de Comunicação S 6389 2993 3688 53 BellSouth.net Inc. 4766 2951 11591 914 Korea Telecom 10620 2835 457 202 Telmex Colombia S.A. 17974 2779 903 78 PT Telekomunikasi Indonesia 22773 2413 2938 137 Cox Communications Inc. 7545 2218 336 116 TPG Telecom Limited 1785 2194 698 132 PaeTec Communications, Inc. 18566 2047 379 178 MegaPath Corporation 18881 1924 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 2993 2940 BellSouth.net Inc. 17974 2779 2701 PT Telekomunikasi Indonesia 10620 2835 2633 Telmex Colombia S.A. 22773 2413 2276 Cox Communications Inc. 7545 2218 2102 TPG Telecom Limited 1785 2194 2062 PaeTec Communications, Inc. 4766 2951 2037 Korea Telecom 18881 1924 1903 Global Village Telecom 18566 2047 1869 MegaPath Corporation 4755 1844 1647 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 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 /12:258 /13:478 /14:961 /15:1672 /16:12941 /17:6797 /18:11574 /19:24188 /20:33939 /21:36613 /22:52582 /23:46014 /24:261827 /25:802 /26:943 /27:406 /28:13 /29:20 /30:7 /31:1 /32:38 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 2002 2047 MegaPath Corporation 6389 1695 2993 BellSouth.net Inc. 22773 1652 2413 Cox Communications Inc. 36998 1599 1634 Sudanese Mobile Telephone (ZA 8402 1287 1607 OJSC "Vimpelcom" 30036 1237 1400 Mediacom Communications Corp 11492 1188 1232 CABLE ONE, INC. 1785 1164 2194 PaeTec Communications, Inc. 6983 1041 1228 ITC^Deltacom 34984 1022 1564 TELLCOM ILETISIM HIZMETLERI A Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1017 2:701 3:3 4:15 5:937 6:19 8:730 12:1860 13:4 14:973 15:13 16:2 17:31 18:21 20:35 23:814 24:1745 25:1 27:1777 31:1512 32:40 33:2 34:5 36:129 37:1866 38:952 39:5 40:197 41:3205 42:249 44:10 46:2187 47:18 49:688 50:921 52:12 54:47 55:6 57:28 58:1228 59:605 60:393 61:1525 62:1222 63:1985 64:4368 65:2246 66:4149 67:2075 68:1039 69:3291 70:848 71:453 72:2000 74:2619 75:312 76:411 77:1518 78:988 79:719 80:1310 81:1144 82:734 83:755 84:707 85:1259 86:453 87:1187 88:517 89:1815 90:140 91:5724 92:665 93:1712 94:2067 95:1495 96:543 97:350 98:1074 99:48 100:54 101:787 103:4679 105:534 106:170 107:566 108:578 109:2050 110:983 111:1284 112:655 113:845 114:882 115:1113 116:1042 117:918 118:1404 119:1339 120:373 121:800 122:1906 123:1289 124:1423 125:1399 128:657 129:324 130:345 131:650 132:394 133:162 134:319 135:74 136:252 137:323 138:355 139:169 140:211 141:364 142:569 143:413 144:503 145:104 146:612 147:439 148:927 149:377 150:167 151:633 152:422 153:218 154:262 155:478 156:336 157:339 158:244 159:893 160:339 161:507 162:1335 163:219 164:685 165:615 166:282 167:611 168:1029 169:124 170:1365 171:190 172:22 173:1631 174:697 175:621 176:1484 177:2891 178:1963 179:648 180:1719 181:1110 182:1562 183:516 184:709 185:1509 186:2729 187:1502 188:1928 189:1460 190:7485 191:201 192:7182 193:5488 194:4025 195:3394 196:1389 197:1136 198:5012 199:5600 200:6229 201:2647 202:9000 203:9006 204:4671 205:2706 206:2940 207:2963 208:4010 209:3718 210:3111 211:1690 212:2183 213:2101 214:890 215:85 216:5462 217:1677 218:590 219:321 220:1280 221:594 222:349 223:612 End of report
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