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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Feb 3 19:59:49 CET 2012
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 04 Feb, 2012 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 395820 Prefixes after maximum aggregation: 169388 Deaggregation factor: 2.34 Unique aggregates announced to Internet: 191947 Total ASes present in the Internet Routing Table: 40003 Prefixes per ASN: 9.89 Origin-only ASes present in the Internet Routing Table: 32689 Origin ASes announcing only one prefix: 15521 Transit ASes present in the Internet Routing Table: 5393 Transit-only ASes present in the Internet Routing Table: 142 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 33 Max AS path prepend of ASN (48687) 24 Prefixes from unregistered ASNs in the Routing Table: 315 Unregistered ASNs in the Routing Table: 120 Number of 32-bit ASNs allocated by the RIRs: 2257 Number of 32-bit ASNs visible in the Routing Table: 1921 Prefixes from 32-bit ASNs in the Routing Table: 4672 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 120 Number of addresses announced to Internet: 2512081104 Equivalent to 149 /8s, 187 /16s and 80 /24s Percentage of available address space announced: 67.8 Percentage of allocated address space announced: 67.8 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 92.0 Total number of prefixes smaller than registry allocations: 167934 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 97613 Total APNIC prefixes after maximum aggregation: 31507 APNIC Deaggregation factor: 3.10 Prefixes being announced from the APNIC address blocks: 93918 Unique aggregates announced from the APNIC address blocks: 39044 APNIC Region origin ASes present in the Internet Routing Table: 4648 APNIC Prefixes per ASN: 20.21 APNIC Region origin ASes announcing only one prefix: 1238 APNIC Region transit ASes present in the Internet Routing Table: 731 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 18 Number of APNIC region 32-bit ASNs visible in the Routing Table: 140 Number of APNIC addresses announced to Internet: 635833440 Equivalent to 37 /8s, 230 /16s and 12 /24s Percentage of available APNIC address space announced: 80.6 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 131072-132095, 132096-133119 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, 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: 148115 Total ARIN prefixes after maximum aggregation: 75385 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 120087 Unique aggregates announced from the ARIN address blocks: 49290 ARIN Region origin ASes present in the Internet Routing Table: 14884 ARIN Prefixes per ASN: 8.07 ARIN Region origin ASes announcing only one prefix: 5683 ARIN Region transit ASes present in the Internet Routing Table: 1577 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 22 Number of ARIN region 32-bit ASNs visible in the Routing Table: 15 Number of ARIN addresses announced to Internet: 804133824 Equivalent to 47 /8s, 238 /16s and 27 /24s Percentage of available ARIN address space announced: 63.9 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, 173/8, 174/8, 184/8, 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: 98052 Total RIPE prefixes after maximum aggregation: 52278 RIPE Deaggregation factor: 1.88 Prefixes being announced from the RIPE address blocks: 89929 Unique aggregates announced from the RIPE address blocks: 55955 RIPE Region origin ASes present in the Internet Routing Table: 16285 RIPE Prefixes per ASN: 5.52 RIPE Region origin ASes announcing only one prefix: 7995 RIPE Region transit ASes present in the Internet Routing Table: 2598 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1322 Number of RIPE addresses announced to Internet: 498585736 Equivalent to 29 /8s, 183 /16s and 208 /24s Percentage of available RIPE address space announced: 80.3 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 196608-198655 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, 176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 38255 Total LACNIC prefixes after maximum aggregation: 8059 LACNIC Deaggregation factor: 4.75 Prefixes being announced from the LACNIC address blocks: 37876 Unique aggregates announced from the LACNIC address blocks: 19445 LACNIC Region origin ASes present in the Internet Routing Table: 1569 LACNIC Prefixes per ASN: 24.14 LACNIC Region origin ASes announcing only one prefix: 442 LACNIC Region transit ASes present in the Internet Routing Table: 294 Average LACNIC Region AS path length visible: 4.3 Max LACNIC Region AS path length visible: 24 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 440 Number of LACNIC addresses announced to Internet: 95986568 Equivalent to 5 /8s, 184 /16s and 163 /24s Percentage of available LACNIC address space announced: 63.6 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, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 8951 Total AfriNIC prefixes after maximum aggregation: 2087 AfriNIC Deaggregation factor: 4.29 Prefixes being announced from the AfriNIC address blocks: 6957 Unique aggregates announced from the AfriNIC address blocks: 2150 AfriNIC Region origin ASes present in the Internet Routing Table: 512 AfriNIC Prefixes per ASN: 13.59 AfriNIC Region origin ASes announcing only one prefix: 163 AfriNIC Region transit ASes present in the Internet Routing Table: 115 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 25 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4 Number of AfriNIC addresses announced to Internet: 30867968 Equivalent to 1 /8s, 215 /16s and 2 /24s Percentage of available AfriNIC address space announced: 46.0 AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4766 2474 11102 982 Korea Telecom (KIX) 17974 1723 503 36 PT TELEKOMUNIKASI INDONESIA 7545 1642 303 85 TPG Internet Pty Ltd 4755 1529 385 155 TATA Communications formerly 7552 1408 1064 7 Vietel Corporation 9829 1167 989 28 BSNL National Internet Backbo 9583 1123 82 483 Sify Limited 4808 1102 2051 313 CNCGROUP IP network: China169 24560 1014 385 167 Bharti Airtel Ltd., Telemedia 17488 934 161 224 Hathway IP Over Cable Interne 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 3445 3807 201 bellsouth.net, inc. 7029 3211 1017 199 Windstream Communications Inc 18566 2093 382 177 Covad Communications 1785 1865 680 125 PaeTec Communications, Inc. 20115 1627 1552 627 Charter Communications 4323 1609 1062 384 Time Warner Telecom 22773 1498 2910 109 Cox Communications, Inc. 30036 1437 253 743 Mediacom Communications Corp 19262 1386 4683 400 Verizon Global Networks 7018 1305 7007 851 AT&T WorldNet Services 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 1712 480 15 Corbina telecom 2118 1391 99 14 EUnet/RELCOM Autonomous Syste 15557 1096 2161 64 LDCOM NETWORKS 34984 643 188 172 BILISIM TELEKOM 6830 642 1927 412 UPC Distribution Services 20940 602 195 467 Akamai Technologies European 12479 561 642 54 Uni2 Autonomous System 31148 532 37 9 FreeNet ISP 3320 531 8162 397 Deutsche Telekom AG 8551 530 360 81 Bezeq International 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 1735 323 170 TVCABLE BOGOTA 28573 1618 1083 72 NET Servicos de Comunicao S.A 8151 1336 2995 344 UniNet S.A. de C.V. 7303 1260 757 180 Telecom Argentina Stet-France 26615 887 640 33 Tim Brasil S.A. 11172 697 95 75 Servicios Alestra S.A de C.V 27947 650 73 99 Telconet S.A 22047 581 322 17 VTR PUNTO NET S.A. 3816 550 237 91 Empresa Nacional de Telecomun 7738 550 1050 31 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 8452 1131 958 13 TEDATA 24863 834 155 43 LINKdotNET AS number 6713 485 649 18 Itissalat Al-MAGHRIB 3741 280 939 229 The Internet Solution 15706 238 32 6 Sudatel Internet Exchange Aut 33776 237 13 13 Starcomms Nigeria Limited 29571 214 17 12 Ci Telecom Autonomous system 12258 197 28 62 Vodacom Internet Company 24835 193 80 8 RAYA Telecom - Egypt 16637 163 664 82 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 3445 3807 201 bellsouth.net, inc. 7029 3211 1017 199 Windstream Communications Inc 4766 2474 11102 982 Korea Telecom (KIX) 18566 2093 382 177 Covad Communications 1785 1865 680 125 PaeTec Communications, Inc. 10620 1735 323 170 TVCABLE BOGOTA 17974 1723 503 36 PT TELEKOMUNIKASI INDONESIA 8402 1712 480 15 Corbina telecom 7545 1642 303 85 TPG Internet Pty Ltd 20115 1627 1552 627 Charter Communications Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 7029 3211 3012 Windstream Communications Inc 18566 2093 1916 Covad Communications 1785 1865 1740 PaeTec Communications, Inc. 8402 1712 1697 Corbina telecom 17974 1723 1687 PT TELEKOMUNIKASI INDONESIA 10620 1735 1565 TVCABLE BOGOTA 7545 1642 1557 TPG Internet Pty Ltd 28573 1618 1546 NET Servicos de Comunicao S.A 4766 2474 1492 Korea Telecom (KIX) 7552 1408 1401 Vietel Corporation 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 32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom 32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom 25639 UNALLOCATED 12.41.169.0/24 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 7018 AT&T WorldNet Servic 17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies, 16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic 32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser Complete listing at http://thyme.rand.apnic.net/current/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 128.0.0.0/21 12654 RIPE NCC RIS Project 128.0.24.0/24 12654 RIPE NCC RIS Project Complete listing at http://thyme.rand.apnic.net/current/data-dsua Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 14.192.0.0/22 45464 Room 201, TGU Bldg 14.192.4.0/22 45464 Room 201, TGU Bldg 14.192.8.0/22 45464 Room 201, TGU Bldg 14.192.12.0/22 45464 Room 201, TGU Bldg 14.192.16.0/22 45464 Room 201, TGU Bldg 14.192.20.0/22 45464 Room 201, TGU Bldg 14.192.24.0/22 45464 Room 201, TGU Bldg 14.192.28.0/22 45464 Room 201, TGU Bldg 37.77.128.0/21 8492 Siris 37.77.152.0/21 44176 RIPE Network Coordination Cen 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 /8:19 /9:12 /10:27 /11:80 /12:231 /13:458 /14:817 /15:1466 /16:12151 /17:6170 /18:10294 /19:20359 /20:28181 /21:29140 /22:39550 /23:36869 /24:206457 /25:1189 /26:1430 /27:786 /28:43 /29:59 /30:14 /31:0 /32:18 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 7029 2841 3211 Windstream Communications Inc 6389 2115 3445 bellsouth.net, inc. 18566 2042 2093 Covad Communications 8402 1691 1712 Corbina telecom 10620 1629 1735 TVCABLE BOGOTA 30036 1396 1437 Mediacom Communications Corp 11492 1117 1154 Cable One 1785 1063 1865 PaeTec Communications, Inc. 15557 1046 1096 LDCOM NETWORKS 7011 1033 1149 Citizens Utilities Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:499 2:475 4:14 5:1 6:3 8:378 12:1954 13:1 14:595 15:11 16:3 17:6 20:9 23:125 24:1725 27:1187 31:852 32:65 33:2 34:2 36:9 37:161 38:791 40:114 41:3108 42:92 43:1 44:3 46:1279 47:3 49:322 50:514 52:13 54:2 55:8 56:3 57:38 58:958 59:491 60:344 61:1186 62:927 63:2000 64:4147 65:2287 66:4421 67:2048 68:1167 69:3149 70:916 71:410 72:1794 74:2646 75:452 76:323 77:963 78:913 79:498 80:1221 81:877 82:562 83:538 84:582 85:1163 86:746 87:910 88:341 89:1539 90:253 91:4473 92:540 93:1555 94:1338 95:1134 96:417 97:310 98:811 99:38 100:20 101:138 103:737 106:4 107:143 108:142 109:1467 110:687 111:837 112:429 113:525 114:596 115:757 116:860 117:722 118:906 119:1249 120:356 121:682 122:1627 123:1064 124:1338 125:1360 128:538 129:189 130:213 131:590 132:164 133:21 134:231 135:59 136:214 137:152 138:285 139:140 140:489 141:261 142:378 143:400 144:509 145:70 146:484 147:227 148:724 149:274 150:168 151:194 152:446 153:170 154:7 155:398 156:211 157:367 158:156 159:513 160:329 161:243 162:341 163:188 164:532 165:397 166:556 167:455 168:765 169:147 170:833 171:110 172:4 173:1757 174:591 175:414 176:468 177:470 178:1246 180:1176 181:64 182:703 183:274 184:430 185:1 186:2028 187:853 188:1030 189:1168 190:5444 192:5979 193:5525 194:4330 195:3390 196:1299 197:180 198:3615 199:4359 200:5710 201:1728 202:8404 203:8598 204:4343 205:2443 206:2747 207:2817 208:4064 209:3558 210:2724 211:1475 212:1976 213:1841 214:855 215:93 216:4984 217:1472 218:553 219:341 220:1243 221:555 222:321 223:274 End of report
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