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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Sep 13 20:35:32 CEST 2013
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 14 Sep, 2013 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 466731 Prefixes after maximum aggregation: 188606 Deaggregation factor: 2.47 Unique aggregates announced to Internet: 232076 Total ASes present in the Internet Routing Table: 44957 Prefixes per ASN: 10.38 Origin-only ASes present in the Internet Routing Table: 35133 Origin ASes announcing only one prefix: 16260 Transit ASes present in the Internet Routing Table: 5898 Transit-only ASes present in the Internet Routing Table: 160 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 30 Max AS path prepend of ASN ( 36992) 22 Prefixes from unregistered ASNs in the Routing Table: 5814 Unregistered ASNs in the Routing Table: 1930 Number of 32-bit ASNs allocated by the RIRs: 5026 Number of 32-bit ASNs visible in the Routing Table: 3926 Prefixes from 32-bit ASNs in the Routing Table: 12187 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 424 Number of addresses announced to Internet: 2642434644 Equivalent to 157 /8s, 128 /16s and 90 /24s Percentage of available address space announced: 71.4 Percentage of allocated address space announced: 71.4 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 95.0 Total number of prefixes smaller than registry allocations: 163699 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 110762 Total APNIC prefixes after maximum aggregation: 33625 APNIC Deaggregation factor: 3.29 Prefixes being announced from the APNIC address blocks: 112750 Unique aggregates announced from the APNIC address blocks: 46637 APNIC Region origin ASes present in the Internet Routing Table: 4870 APNIC Prefixes per ASN: 23.15 APNIC Region origin ASes announcing only one prefix: 1219 APNIC Region transit ASes present in the Internet Routing Table: 833 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 673 Number of APNIC addresses announced to Internet: 727657280 Equivalent to 43 /8s, 95 /16s and 43 /24s Percentage of available APNIC address space announced: 85.0 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: 161603 Total ARIN prefixes after maximum aggregation: 81243 ARIN Deaggregation factor: 1.99 Prefixes being announced from the ARIN address blocks: 162192 Unique aggregates announced from the ARIN address blocks: 75506 ARIN Region origin ASes present in the Internet Routing Table: 15873 ARIN Prefixes per ASN: 10.22 ARIN Region origin ASes announcing only one prefix: 6016 ARIN Region transit ASes present in the Internet Routing Table: 1654 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 27 Number of ARIN region 32-bit ASNs visible in the Routing Table: 21 Number of ARIN addresses announced to Internet: 1071208192 Equivalent to 63 /8s, 217 /16s and 87 /24s Percentage of available ARIN address space announced: 56.7 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: 118845 Total RIPE prefixes after maximum aggregation: 61298 RIPE Deaggregation factor: 1.94 Prefixes being announced from the RIPE address blocks: 122683 Unique aggregates announced from the RIPE address blocks: 79591 RIPE Region origin ASes present in the Internet Routing Table: 17413 RIPE Prefixes per ASN: 7.05 RIPE Region origin ASes announcing only one prefix: 8259 RIPE Region transit ASes present in the Internet Routing Table: 2807 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 30 Number of RIPE region 32-bit ASNs visible in the Routing Table: 2392 Number of RIPE addresses announced to Internet: 657272548 Equivalent to 39 /8s, 45 /16s and 46 /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, 196608-200191 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: 51379 Total LACNIC prefixes after maximum aggregation: 9759 LACNIC Deaggregation factor: 5.26 Prefixes being announced from the LACNIC address blocks: 56230 Unique aggregates announced from the LACNIC address blocks: 25968 LACNIC Region origin ASes present in the Internet Routing Table: 2017 LACNIC Prefixes per ASN: 27.88 LACNIC Region origin ASes announcing only one prefix: 567 LACNIC Region transit ASes present in the Internet Routing Table: 376 Average LACNIC Region AS path length visible: 4.8 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 834 Number of LACNIC addresses announced to Internet: 138838064 Equivalent to 8 /8s, 70 /16s and 128 /24s Percentage of available LACNIC address space announced: 82.8 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: 11842 Total AfriNIC prefixes after maximum aggregation: 2623 AfriNIC Deaggregation factor: 4.51 Prefixes being announced from the AfriNIC address blocks: 12452 Unique aggregates announced from the AfriNIC address blocks: 3987 AfriNIC Region origin ASes present in the Internet Routing Table: 657 AfriNIC Prefixes per ASN: 18.95 AfriNIC Region origin ASes announcing only one prefix: 199 AfriNIC Region transit ASes present in the Internet Routing Table: 139 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: 6 Number of AfriNIC addresses announced to Internet: 46560000 Equivalent to 2 /8s, 198 /16s and 115 /24s Percentage of available AfriNIC address space announced: 46.3 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 2923 11561 924 Korea Telecom (KIX) 17974 2676 903 91 PT TELEKOMUNIKASI INDONESIA 7545 2072 321 112 TPG Internet Pty Ltd 4755 1771 390 190 TATA Communications formerly 9829 1549 1237 45 BSNL National Internet Backbo 9583 1232 92 505 Sify Limited 9498 1186 309 70 BHARTI Airtel Ltd. 4808 1159 2128 341 CNCGROUP IP network: China169 7552 1155 1080 13 Vietel Corporation 24560 1090 394 163 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 3068 3689 62 bellsouth.net, inc. 18566 2065 382 184 Covad Communications 22773 2041 2933 124 Cox Communications, Inc. 1785 2011 679 125 PaeTec Communications, Inc. 20115 1678 1649 629 Charter Communications 4323 1617 1103 411 Time Warner Telecom 701 1531 11136 798 UUNET Technologies, Inc. 30036 1352 305 630 Mediacom Communications Corp 7018 1315 11261 827 AT&T WorldNet Services 11492 1222 218 365 Cable One 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 1703 544 16 Corbina telecom 34984 1329 244 220 BILISIM TELEKOM 20940 1014 369 781 Akamai Technologies European 31148 981 43 20 FreeNet ISP 6830 894 2367 426 UPC Distribution Services 13188 847 99 70 Educational Network 8551 749 370 41 Bezeq International 12479 673 797 53 Uni2 Autonomous System 58113 541 55 339 LIR DATACENTER TELECOM SRL 35228 528 246 16 Avatar Broadband 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 3249 1722 97 NET Servicos de Comunicao S.A 10620 2559 418 246 TVCABLE BOGOTA 7303 1708 1133 225 Telecom Argentina Stet-France 18881 1430 844 20 Global Village Telecom 8151 1291 2782 391 UniNet S.A. de C.V. 11830 865 364 15 Instituto Costarricense de El 27947 840 94 92 Telconet S.A 6503 813 434 64 AVANTEL, S.A. 7738 780 1498 36 Telecomunicacoes da Bahia S.A 6147 740 376 21 Telefonica Del Peru 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 1861 112 5 MOBITEL 24863 868 274 30 LINKdotNET AS number 6713 554 633 26 Itissalat Al-MAGHRIB 8452 435 956 9 TEDATA 24835 291 80 8 RAYA Telecom - Egypt 3741 257 921 216 The Internet Solution 36992 222 501 28 Etisalat MISR 15706 221 32 6 Sudatel Internet Exchange Aut 29571 221 17 12 Ci Telecom Autonomous system 29975 191 667 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 3249 1722 97 NET Servicos de Comunicao S.A 6389 3068 3689 62 bellsouth.net, inc. 4766 2923 11561 924 Korea Telecom (KIX) 17974 2676 903 91 PT TELEKOMUNIKASI INDONESIA 10620 2559 418 246 TVCABLE BOGOTA 7545 2072 321 112 TPG Internet Pty Ltd 18566 2065 382 184 Covad Communications 22773 2041 2933 124 Cox Communications, Inc. 1785 2011 679 125 PaeTec Communications, Inc. 36998 1861 112 5 MOBITEL 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 3068 3006 bellsouth.net, inc. 17974 2676 2585 PT TELEKOMUNIKASI INDONESIA 10620 2559 2313 TVCABLE BOGOTA 4766 2923 1999 Korea Telecom (KIX) 7545 2072 1960 TPG Internet Pty Ltd 22773 2041 1917 Cox Communications, Inc. 1785 2011 1886 PaeTec Communications, Inc. 18566 2065 1881 Covad Communications 36998 1861 1856 MOBITEL 8402 1703 1687 Corbina telecom Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 30031 UNALLOCATED 12.27.122.0/24 7018 AT&T WorldNet Servic 62719 UNALLOCATED 12.27.130.0/24 4323 Time Warner Telecom 13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic 23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic 17300 UNALLOCATED 12.45.103.0/24 209 Qwest 17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies, 16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic 14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic 33649 UNALLOCATED 12.111.112.0/24 19029 New Edge Networks Complete listing at http://thyme.rand.apnic.net/current/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 100.100.0.0/24 4847 China Networks Inter-Exchange Complete listing at http://thyme.rand.apnic.net/current/data-dsua Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 23.90.128.0/18 27418 OUTOFWALL INC. 23.90.192.0/18 36086 Broad Communications Technolo 23.91.0.0/19 40676 Psychz Networks 23.91.32.0/19 36315 Servpac Inc. 23.91.96.0/20 40676 Psychz Networks 23.91.160.0/22 36493 3757277 Canada Inc. (oa 295.c 23.91.160.0/19 36493 3757277 Canada Inc. (oa 295.c 23.91.164.0/22 36493 3757277 Canada Inc. (oa 295.c 23.91.168.0/22 36493 3757277 Canada Inc. (oa 295.c 23.91.172.0/22 36493 3757277 Canada Inc. (oa 295.c 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 /9:11 /10:31 /11:93 /12:250 /13:479 /14:914 /15:1625 /16:12781 /17:6701 /18:11142 /19:22929 /20:32520 /21:35083 /22:49455 /23:43148 /24:247083 /25:839 /26:988 /27:484 /28:48 /29:78 /30:19 /31:0 /32:14 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 2016 2065 Covad Communications 36998 1826 1861 MOBITEL 6389 1713 3068 bellsouth.net, inc. 8402 1427 1703 Corbina telecom 22773 1328 2041 Cox Communications, Inc. 30036 1212 1352 Mediacom Communications Corp 11492 1183 1222 Cable One 1785 1083 2011 PaeTec Communications, Inc. 6983 1025 1152 ITC^Deltacom 22561 930 1196 Digital Teleport, Inc Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:809 2:839 3:3 4:17 5:941 6:19 8:609 12:1889 13:3 14:868 15:11 16:3 17:11 18:19 20:21 23:389 24:1739 27:1564 31:1438 32:45 33:2 34:5 36:77 37:1846 38:903 39:3 40:179 41:3350 42:253 44:9 46:1989 47:4 49:670 50:837 52:12 54:37 55:7 57:26 58:1167 59:607 60:339 61:1421 62:1188 63:1984 64:4566 65:2364 66:4164 67:2073 68:1087 69:3298 70:865 71:496 72:2005 74:2549 75:330 76:304 77:1178 78:1054 79:620 80:1325 81:1029 82:646 83:582 84:583 85:1291 86:494 87:1040 88:559 89:1842 90:158 91:5656 92:605 93:1665 94:2072 95:1550 96:516 97:342 98:1038 99:44 100:31 101:606 103:3303 105:519 106:142 107:208 108:503 109:1881 110:961 111:1127 112:569 113:795 114:730 115:996 116:979 117:802 118:1156 119:1290 120:366 121:740 122:1869 123:1254 124:1382 125:1424 128:611 129:231 130:321 131:675 132:351 133:161 134:290 135:67 136:271 137:263 138:348 139:178 140:199 141:325 142:553 143:392 144:501 145:95 146:536 147:489 148:686 149:355 150:154 151:601 152:414 153:195 154:46 155:504 156:274 157:419 158:285 159:760 160:350 161:446 162:652 163:227 164:620 165:567 166:259 167:607 168:1047 169:125 170:1084 171:194 172:25 173:1603 174:522 175:498 176:1193 177:2263 178:1896 179:118 180:1530 181:722 182:1271 183:461 184:623 185:826 186:2491 187:1460 188:1880 189:1313 190:7087 192:6926 193:5652 194:4063 195:3332 196:1402 197:1004 198:4662 199:5420 200:6023 201:2538 202:8965 203:8918 204:4522 205:2628 206:2844 207:2884 208:4002 209:3605 210:2950 211:1555 212:2266 213:2050 214:928 215:99 216:5308 217:1655 218:623 219:313 220:1278 221:557 222:326 223:500 End of report
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