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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Mar 15 19:33:34 CET 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 16 Mar, 2013 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 446141 Prefixes after maximum aggregation: 183411 Deaggregation factor: 2.43 Unique aggregates announced to Internet: 219000 Total ASes present in the Internet Routing Table: 43592 Prefixes per ASN: 10.23 Origin-only ASes present in the Internet Routing Table: 34340 Origin ASes announcing only one prefix: 16000 Transit ASes present in the Internet Routing Table: 5778 Transit-only ASes present in the Internet Routing Table: 138 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 29 Max AS path prepend of ASN ( 28730) 25 Prefixes from unregistered ASNs in the Routing Table: 365 Unregistered ASNs in the Routing Table: 132 Number of 32-bit ASNs allocated by the RIRs: 4617 Number of 32-bit ASNs visible in the Routing Table: 3474 Prefixes from 32-bit ASNs in the Routing Table: 9765 Special use prefixes present in the Routing Table: 15 Prefixes being announced from unallocated address space: 193 Number of addresses announced to Internet: 2622922540 Equivalent to 156 /8s, 86 /16s and 159 /24s Percentage of available address space announced: 70.8 Percentage of allocated address space announced: 70.8 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 94.3 Total number of prefixes smaller than registry allocations: 157616 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 107214 Total APNIC prefixes after maximum aggregation: 33202 APNIC Deaggregation factor: 3.23 Prefixes being announced from the APNIC address blocks: 108369 Unique aggregates announced from the APNIC address blocks: 44091 APNIC Region origin ASes present in the Internet Routing Table: 4822 APNIC Prefixes per ASN: 22.47 APNIC Region origin ASes announcing only one prefix: 1236 APNIC Region transit ASes present in the Internet Routing Table: 813 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 463 Number of APNIC addresses announced to Internet: 719165984 Equivalent to 42 /8s, 221 /16s and 154 /24s Percentage of available APNIC address space announced: 84.1 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 131072-133119 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: 156902 Total ARIN prefixes after maximum aggregation: 79295 ARIN Deaggregation factor: 1.98 Prefixes being announced from the ARIN address blocks: 157573 Unique aggregates announced from the ARIN address blocks: 71631 ARIN Region origin ASes present in the Internet Routing Table: 15548 ARIN Prefixes per ASN: 10.13 ARIN Region origin ASes announcing only one prefix: 5877 ARIN Region transit ASes present in the Internet Routing Table: 1605 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: 18 Number of ARIN addresses announced to Internet: 1078444672 Equivalent to 64 /8s, 71 /16s and 194 /24s Percentage of available ARIN address space announced: 57.1 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, 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: 114320 Total RIPE prefixes after maximum aggregation: 59078 RIPE Deaggregation factor: 1.94 Prefixes being announced from the RIPE address blocks: 117687 Unique aggregates announced from the RIPE address blocks: 75598 RIPE Region origin ASes present in the Internet Routing Table: 17108 RIPE Prefixes per ASN: 6.88 RIPE Region origin ASes announcing only one prefix: 8160 RIPE Region transit ASes present in the Internet Routing Table: 2797 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 2235 Number of RIPE addresses announced to Internet: 654497124 Equivalent to 39 /8s, 2 /16s and 213 /24s Percentage of available RIPE address space announced: 95.1 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, 196608-199679 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: 47191 Total LACNIC prefixes after maximum aggregation: 9353 LACNIC Deaggregation factor: 5.05 Prefixes being announced from the LACNIC address blocks: 51088 Unique aggregates announced from the LACNIC address blocks: 23778 LACNIC Region origin ASes present in the Internet Routing Table: 1867 LACNIC Prefixes per ASN: 27.36 LACNIC Region origin ASes announcing only one prefix: 546 LACNIC Region transit ASes present in the Internet Routing Table: 346 Average LACNIC Region AS path length visible: 4.8 Max LACNIC Region AS path length visible: 27 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 751 Number of LACNIC addresses announced to Internet: 124810280 Equivalent to 7 /8s, 112 /16s and 116 /24s Percentage of available LACNIC address space announced: 74.4 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 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: 10622 Total AfriNIC prefixes after maximum aggregation: 2433 AfriNIC Deaggregation factor: 4.37 Prefixes being announced from the AfriNIC address blocks: 11231 Unique aggregates announced from the AfriNIC address blocks: 3727 AfriNIC Region origin ASes present in the Internet Routing Table: 606 AfriNIC Prefixes per ASN: 18.53 AfriNIC Region origin ASes announcing only one prefix: 181 AfriNIC Region transit ASes present in the Internet Routing Table: 130 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: 7 Number of AfriNIC addresses announced to Internet: 45651456 Equivalent to 2 /8s, 184 /16s and 150 /24s Percentage of available AfriNIC address space announced: 45.4 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 2925 11558 922 Korea Telecom (KIX) 17974 2504 840 86 PT TELEKOMUNIKASI INDONESIA 7545 1833 301 89 TPG Internet Pty Ltd 4755 1719 392 196 TATA Communications formerly 9829 1450 1157 42 BSNL National Internet Backbo 9583 1287 98 535 Sify Limited 7552 1161 1070 12 Vietel Corporation 4808 1116 2054 321 CNCGROUP IP network: China169 9498 1067 310 75 BHARTI Airtel Ltd. 24560 1058 385 161 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 3042 3695 94 bellsouth.net, inc. 7029 2229 1266 215 Windstream Communications Inc 18566 2081 382 185 Covad Communications 22773 1995 2929 125 Cox Communications, Inc. 1785 1959 677 123 PaeTec Communications, Inc. 20115 1681 1611 623 Charter Communications 4323 1613 1139 401 Time Warner Telecom 30036 1334 293 690 Mediacom Communications Corp 7018 1306 10809 852 AT&T WorldNet Services 11492 1210 222 329 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 1869 544 16 Corbina telecom 2118 1116 97 13 EUnet/RELCOM Autonomous Syste 34984 1105 233 204 BILISIM TELEKOM 12479 840 786 66 Uni2 Autonomous System 13188 839 99 30 Educational Network 20940 791 275 627 Akamai Technologies European 31148 776 40 20 FreeNet ISP 6830 715 2314 436 UPC Distribution Services 8551 714 370 43 Bezeq International 58113 664 73 386 LIR DATACENTER TELECOM SRL 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 2421 1335 88 NET Servicos de Comunicao S.A 10620 2352 405 232 TVCABLE BOGOTA 7303 1672 1148 208 Telecom Argentina Stet-France 8151 1344 2722 393 UniNet S.A. de C.V. 6503 1155 434 66 AVANTEL, S.A. 14754 944 128 86 Telgua S. A. 18881 829 716 18 Global Village Telecom 27947 790 87 99 Telconet S.A 3816 690 306 85 Empresa Nacional de Telecomun 7738 650 1306 35 Telecomunicacoes da Bahia 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 1286 80 4 MOBITEL 24863 894 274 34 LINKdotNET AS number 6713 535 615 23 Itissalat Al-MAGHRIB 8452 510 958 13 TEDATA 24835 342 80 8 RAYA Telecom - Egypt 3741 262 906 220 The Internet Solution 12258 193 28 67 Vodacom Internet Company 15706 191 32 6 Sudatel Internet Exchange Aut 29975 191 667 21 Vodacom 16637 190 698 88 MTN Network Solutions 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 6389 3042 3695 94 bellsouth.net, inc. 4766 2925 11558 922 Korea Telecom (KIX) 17974 2504 840 86 PT TELEKOMUNIKASI INDONESIA 28573 2421 1335 88 NET Servicos de Comunicao S.A 10620 2352 405 232 TVCABLE BOGOTA 7029 2229 1266 215 Windstream Communications Inc 18566 2081 382 185 Covad Communications 22773 1995 2929 125 Cox Communications, Inc. 1785 1959 677 123 PaeTec Communications, Inc. 8402 1869 544 16 Corbina 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 17974 2504 2418 PT TELEKOMUNIKASI INDONESIA 28573 2421 2333 NET Servicos de Comunicao S.A 10620 2352 2120 TVCABLE BOGOTA 7029 2229 2014 Windstream Communications Inc 4766 2925 2003 Korea Telecom (KIX) 18566 2081 1896 Covad Communications 22773 1995 1870 Cox Communications, Inc. 8402 1869 1853 Corbina telecom 1785 1959 1836 PaeTec Communications, Inc. 7545 1833 1744 TPG Internet Pty Ltd 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 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 26064 UNALLOCATED 12.149.37.0/24 7018 AT&T WorldNet Servic Complete listing at http://thyme.rand.apnic.net/current/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 128.0.0.0/24 2876 Jump Management SRL 128.0.16.0/21 43568 RIPE Network Coordination Cen 128.0.24.0/21 41794 Altline LLC 128.0.72.0/21 23456 32-bit ASN transition 128.0.80.0/20 52041 Timer LTD 128.0.96.0/21 12886 LEWTelNet GmbH 128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol 128.0.106.0/24 23456 32-bit ASN transition 128.0.128.0/20 29285 AMT closed joint-stock compan 128.0.144.0/22 59675 mywire Datentechnik GmbH Complete listing at http://thyme.rand.apnic.net/current/data-dsua Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 41.222.80.0/21 37110 Moztel LDA 62.12.96.0/19 38478 SunnyVision Limited 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 62.61.221.0/24 24974 Tachyon Europe BV - Wireless 64.185.224.0/24 27431 JTL Networks Inc. 64.185.225.0/24 27431 JTL Networks Inc. 64.185.226.0/24 27431 JTL Networks Inc. 64.185.227.0/24 27431 JTL Networks Inc. 64.185.228.0/24 27431 JTL Networks Inc. 64.185.229.0/24 27431 JTL Networks Inc. 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 /8:17 /9:13 /10:29 /11:88 /12:248 /13:483 /14:872 /15:1563 /16:12651 /17:6623 /18:10871 /19:21727 /20:31631 /21:33541 /22:46032 /23:41585 /24:233871 /25:1382 /26:1765 /27:858 /28:181 /29:73 /30:17 /31:0 /32:20 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 2031 2081 Covad Communications 6389 1745 3042 bellsouth.net, inc. 7029 1609 2229 Windstream Communications Inc 8402 1591 1869 Corbina telecom 22773 1306 1995 Cox Communications, Inc. 36998 1280 1286 MOBITEL 30036 1217 1334 Mediacom Communications Corp 11492 1172 1210 Cable One 1785 1039 1959 PaeTec Communications, Inc. 7011 950 1198 Citizens Utilities Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:722 2:789 3:3 4:13 5:704 6:3 8:509 12:1932 13:3 14:757 15:11 16:3 17:8 20:24 23:239 24:1799 27:1415 31:1178 32:44 33:2 34:5 36:27 37:1434 38:860 39:2 40:159 41:2725 42:177 44:4 46:1746 47:2 49:610 50:664 52:12 54:28 55:10 57:28 58:1091 59:579 60:297 61:1386 62:1001 63:2042 64:4297 65:2175 66:4271 67:2055 68:1110 69:3266 70:881 71:523 72:1898 74:2558 75:400 76:288 77:1087 78:1027 79:575 80:1236 81:976 82:644 83:558 84:559 85:1165 86:473 87:948 88:381 89:1771 90:262 91:5427 92:614 93:1714 94:1865 95:1549 96:497 97:336 98:1050 99:41 100:29 101:307 103:2284 105:517 106:131 107:207 108:515 109:1810 110:846 111:1037 112:496 113:766 114:690 115:973 116:877 117:806 118:997 119:1268 120:377 121:781 122:1734 123:1189 124:1324 125:1315 128:544 129:221 130:323 131:648 132:333 133:143 134:256 135:60 136:221 137:241 138:343 139:179 140:199 141:312 142:532 143:371 144:489 145:89 146:522 147:356 148:703 149:357 150:157 151:449 152:411 153:196 154:32 155:379 156:250 157:392 158:266 159:714 160:335 161:425 162:376 163:206 164:580 165:454 166:394 167:573 168:1017 169:130 170:1023 171:168 172:4 173:1588 174:574 175:434 176:1182 177:1814 178:1772 179:1 180:1380 181:280 182:1200 183:341 184:661 185:294 186:2351 187:1263 188:1921 189:1419 190:6616 192:6407 193:5675 194:4519 195:3470 196:1305 197:890 198:4203 199:5238 200:6017 201:2241 202:8918 203:8711 204:4499 205:2579 206:2785 207:2803 208:4072 209:3546 210:2913 211:1552 212:1999 213:1938 214:917 215:96 216:5190 217:1587 218:605 219:337 220:1263 221:538 222:312 223:482 End of report
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