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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Mar 13 19:11:40 CET 2015
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, 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 14 Mar, 2015 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 536814 Prefixes after maximum aggregation (per Origin AS): 205071 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 261783 Total ASes present in the Internet Routing Table: 49643 Prefixes per ASN: 10.81 Origin-only ASes present in the Internet Routing Table: 36509 Origin ASes announcing only one prefix: 16263 Transit ASes present in the Internet Routing Table: 6268 Transit-only ASes present in the Internet Routing Table: 167 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 59 Max AS path prepend of ASN ( 55644) 56 Prefixes from unregistered ASNs in the Routing Table: 1218 Unregistered ASNs in the Routing Table: 423 Number of 32-bit ASNs allocated by the RIRs: 8853 Number of 32-bit ASNs visible in the Routing Table: 6866 Prefixes from 32-bit ASNs in the Routing Table: 25043 Number of bogon 32-bit ASNs visible in the Routing Table: 2 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 397 Number of addresses announced to Internet: 2734437540 Equivalent to 162 /8s, 252 /16s and 52 /24s Percentage of available address space announced: 73.9 Percentage of allocated address space announced: 73.9 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 97.2 Total number of prefixes smaller than registry allocations: 181412 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 132367 Total APNIC prefixes after maximum aggregation: 38507 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 137922 Unique aggregates announced from the APNIC address blocks: 56238 APNIC Region origin ASes present in the Internet Routing Table: 5023 APNIC Prefixes per ASN: 27.46 APNIC Region origin ASes announcing only one prefix: 1205 APNIC Region transit ASes present in the Internet Routing Table: 876 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 59 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1345 Number of APNIC addresses announced to Internet: 746144000 Equivalent to 44 /8s, 121 /16s and 65 /24s Percentage of available APNIC address space announced: 87.2 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: 176974 Total ARIN prefixes after maximum aggregation: 87478 ARIN Deaggregation factor: 2.02 Prefixes being announced from the ARIN address blocks: 178978 Unique aggregates announced from the ARIN address blocks: 84017 ARIN Region origin ASes present in the Internet Routing Table: 16508 ARIN Prefixes per ASN: 10.84 ARIN Region origin ASes announcing only one prefix: 6077 ARIN Region transit ASes present in the Internet Routing Table: 1707 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 370 Number of ARIN addresses announced to Internet: 1062170400 Equivalent to 63 /8s, 79 /16s and 111 /24s Percentage of available ARIN address space announced: 56.2 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: 130480 Total RIPE prefixes after maximum aggregation: 64954 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 136837 Unique aggregates announced from the RIPE address blocks: 84064 RIPE Region origin ASes present in the Internet Routing Table: 17900 RIPE Prefixes per ASN: 7.64 RIPE Region origin ASes announcing only one prefix: 8151 RIPE Region transit ASes present in the Internet Routing Table: 2961 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 3502 Number of RIPE addresses announced to Internet: 694120324 Equivalent to 41 /8s, 95 /16s and 111 /24s Percentage of available RIPE address space announced: 100.9 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: 59054 Total LACNIC prefixes after maximum aggregation: 11076 LACNIC Deaggregation factor: 5.33 Prefixes being announced from the LACNIC address blocks: 68874 Unique aggregates announced from the LACNIC address blocks: 31949 LACNIC Region origin ASes present in the Internet Routing Table: 2412 LACNIC Prefixes per ASN: 28.55 LACNIC Region origin ASes announcing only one prefix: 624 LACNIC Region transit ASes present in the Internet Routing Table: 494 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1553 Number of LACNIC addresses announced to Internet: 167914240 Equivalent to 10 /8s, 2 /16s and 43 /24s Percentage of available LACNIC address space announced: 100.1 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: 12706 Total AfriNIC prefixes after maximum aggregation: 3012 AfriNIC Deaggregation factor: 4.22 Prefixes being announced from the AfriNIC address blocks: 13806 Unique aggregates announced from the AfriNIC address blocks: 5154 AfriNIC Region origin ASes present in the Internet Routing Table: 737 AfriNIC Prefixes per ASN: 18.73 AfriNIC Region origin ASes announcing only one prefix: 206 AfriNIC Region transit ASes present in the Internet Routing Table: 153 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 96 Number of AfriNIC addresses announced to Internet: 63579648 Equivalent to 3 /8s, 202 /16s and 38 /24s Percentage of available AfriNIC address space announced: 63.2 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 2867 11553 910 Korea Telecom 17974 2792 904 78 PT Telekomunikasi Indonesia 7545 2531 336 126 TPG Telecom Limited 4755 1990 422 212 TATA Communications formerly 4538 1760 4190 71 China Education and Research 9829 1693 1326 38 National Internet Backbone 9808 1547 8717 28 Guangdong Mobile Communicatio 4808 1462 2251 439 CNCGROUP IP network China169 9583 1396 115 572 Sify Limited 9498 1307 334 95 BHARTI Airtel Ltd. 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 3012 2955 141 Cox Communications Inc. 6389 2891 3688 51 BellSouth.net Inc. 3356 2548 10683 478 Level 3 Communications, Inc. 18566 2041 379 183 MegaPath Corporation 20115 1846 1831 428 Charter Communications 6983 1705 866 245 EarthLink, Inc. 4323 1621 1021 407 tw telecom holdings, inc. 30036 1525 312 500 Mediacom Communications Corp 701 1385 11260 673 MCI Communications Services, 22561 1330 412 241 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 39891 2472 128 6 SaudiNet, Saudi Telecom Compa 34984 1973 303 360 TELLCOM ILETISIM HIZMETLERI A 20940 1634 635 1213 Akamai International B.V. 8402 1375 544 15 OJSC "Vimpelcom" 6849 1212 356 24 JSC "Ukrtelecom" 31148 1046 45 21 Freenet Ltd. 13188 1015 96 70 TOV "Bank-Inform" 8551 903 373 48 Bezeq International-Ltd 12479 877 797 83 France Telecom Espana SA 9198 847 349 25 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 10620 3141 511 211 Telmex Colombia S.A. 28573 2370 2170 117 NET Serviços de Comunicação S 7303 1793 1190 233 Telecom Argentina S.A. 6147 1574 374 30 Telefonica del Peru S.A.A. 8151 1550 3127 448 Uninet S.A. de C.V. 6503 1199 421 57 Axtel, S.A.B. de C.V. 7738 1000 1882 41 Telemar Norte Leste S.A. 26615 956 2325 35 Tim Celular S.A. 3816 916 404 150 COLOMBIA TELECOMUNICACIONES S 18881 865 1036 22 Global Village Telecom 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 1555 958 13 TE-AS 24863 956 284 26 Link Egypt (Link.NET) 36903 479 241 90 Office National des Postes et 36992 402 1101 31 ETISALAT MISR 37492 321 159 70 Orange Tunisie 24835 299 144 9 Vodafone Data 3741 250 921 209 Internet Solutions 29571 236 21 13 Cote d'Ivoire Telecom 36947 193 712 14 Telecom Algeria 15706 172 32 6 Sudatel (Sudan Telecom Co. Lt 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 10620 3141 511 211 Telmex Colombia S.A. 22773 3012 2955 141 Cox Communications Inc. 6389 2891 3688 51 BellSouth.net Inc. 4766 2867 11553 910 Korea Telecom 17974 2792 904 78 PT Telekomunikasi Indonesia 3356 2548 10683 478 Level 3 Communications, Inc. 7545 2531 336 126 TPG Telecom Limited 39891 2472 128 6 SaudiNet, Saudi Telecom Compa 28573 2370 2170 117 NET Serviços de Comunicação S 18566 2041 379 183 MegaPath Corporation Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 22773 3012 2871 Cox Communications Inc. 6389 2891 2840 BellSouth.net Inc. 17974 2792 2714 PT Telekomunikasi Indonesia 39891 2472 2466 SaudiNet, Saudi Telecom Compa 7545 2531 2405 TPG Telecom Limited 28573 2370 2253 NET Serviços de Comunicação S 3356 2548 2070 Level 3 Communications, Inc. 4766 2867 1957 Korea Telecom 18566 2041 1858 MegaPath Corporation 4755 1990 1778 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 3356 Level 3 Communicatio 46467 UNALLOCATED 8.19.192.0/24 46887 Lightower Fiber Netw 18985 UNALLOCATED 8.21.68.0/22 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 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 32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc. 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 23.226.112.0/20 62788 Bitfinite LLC 27.100.7.0/24 56096 >>UNKNOWN<< 31.217.248.0/21 44902 COVAGE NETWORKS SASU 41.73.1.0/24 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<< 41.73.15.0/24 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 /10:34 /11:92 /12:264 /13:505 /14:1000 /15:1720 /16:12968 /17:7176 /18:12201 /19:25182 /20:35743 /21:38593 /22:58319 /23:50742 /24:289304 /25:1080 /26:1148 /27:664 /28:17 /29:13 /30:8 /31:0 /32:13 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 2432 2472 SaudiNet, Saudi Telecom Compa 22773 2226 3012 Cox Communications Inc. 18566 1996 2041 MegaPath Corporation 6389 1671 2891 BellSouth.net Inc. 30036 1371 1525 Mediacom Communications Corp 6983 1352 1705 EarthLink, Inc. 34984 1280 1973 TELLCOM ILETISIM HIZMETLERI A 6147 1121 1574 Telefonica del Peru S.A.A. 11492 1120 1184 CABLE ONE, INC. 10620 1108 3141 Telmex Colombia S.A. Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1531 2:675 3:1 4:94 5:1745 6:21 8:1427 12:1827 13:4 14:1309 15:17 16:2 17:42 18:21 20:49 23:1191 24:1677 27:1851 31:1498 32:39 33:2 34:5 35:3 36:118 37:1874 38:1012 39:9 40:237 41:3008 42:259 43:1174 44:26 45:273 46:2174 47:35 48:2 49:795 50:791 52:12 54:69 55:5 56:8 57:37 58:1203 59:685 60:465 61:1775 62:1320 63:1907 64:4458 65:2269 66:4117 67:2050 68:1078 69:3264 70:951 71:441 72:1958 74:2603 75:318 76:405 77:1495 78:1269 79:802 80:1321 81:1352 82:817 83:671 84:686 85:1352 86:391 87:1062 88:515 89:1766 90:151 91:5950 92:803 93:2182 94:2005 95:2112 96:426 97:341 98:1072 99:45 100:73 101:810 102:1 103:6960 104:1394 105:63 106:223 107:897 108:609 109:2000 110:1077 111:1470 112:755 113:1038 114:836 115:1252 116:1344 117:1009 118:1683 119:1444 120:444 121:1029 122:2186 123:1728 124:1487 125:1577 128:637 129:381 130:381 131:1163 132:488 133:168 134:412 135:99 136:336 137:298 138:539 139:176 140:235 141:419 142:637 143:468 144:554 145:109 146:706 147:588 148:1104 149:463 150:561 151:610 152:490 153:239 154:392 155:736 156:405 157:331 158:264 159:976 160:373 161:624 162:1929 163:387 164:664 165:662 166:324 167:691 168:1275 169:149 170:1460 171:232 172:43 173:1522 174:700 175:652 176:1431 177:3798 178:2073 179:880 180:1899 181:1635 182:1733 183:622 184:736 185:3085 186:2679 187:1829 188:1972 189:1578 190:7636 191:957 192:8171 193:5591 194:4093 195:3649 196:1706 197:1025 198:5514 199:5520 200:6550 201:3039 202:9488 203:9066 204:4618 205:2742 206:2995 207:3003 208:3948 209:3920 210:3518 211:1860 212:2493 213:2248 214:876 215:69 216:5535 217:1808 218:674 219:467 220:1421 221:788 222:466 223:657 End of report
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