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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Jan 13 20:29:10 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 14 Jan, 2012 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 390792 Prefixes after maximum aggregation: 168714 Deaggregation factor: 2.32 Unique aggregates announced to Internet: 190828 Total ASes present in the Internet Routing Table: 39823 Prefixes per ASN: 9.81 Origin-only ASes present in the Internet Routing Table: 32590 Origin ASes announcing only one prefix: 15510 Transit ASes present in the Internet Routing Table: 5382 Transit-only ASes present in the Internet Routing Table: 143 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: 2098 Unregistered ASNs in the Routing Table: 1058 Number of 32-bit ASNs allocated by the RIRs: 2178 Number of 32-bit ASNs visible in the Routing Table: 1851 Prefixes from 32-bit ASNs in the Routing Table: 4455 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 120 Number of addresses announced to Internet: 2509165880 Equivalent to 149 /8s, 142 /16s and 213 /24s Percentage of available address space announced: 67.7 Percentage of allocated address space announced: 67.7 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 91.9 Total number of prefixes smaller than registry allocations: 165725 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 96436 Total APNIC prefixes after maximum aggregation: 31482 APNIC Deaggregation factor: 3.06 Prefixes being announced from the APNIC address blocks: 92792 Unique aggregates announced from the APNIC address blocks: 38873 APNIC Region origin ASes present in the Internet Routing Table: 4636 APNIC Prefixes per ASN: 20.02 APNIC Region origin ASes announcing only one prefix: 1249 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: 133 Number of APNIC addresses announced to Internet: 634071944 Equivalent to 37 /8s, 203 /16s and 43 /24s Percentage of available APNIC address space announced: 80.4 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: 147469 Total ARIN prefixes after maximum aggregation: 75118 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 119452 Unique aggregates announced from the ARIN address blocks: 49103 ARIN Region origin ASes present in the Internet Routing Table: 14847 ARIN Prefixes per ASN: 8.05 ARIN Region origin ASes announcing only one prefix: 5677 ARIN Region transit ASes present in the Internet Routing Table: 1584 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 14 Number of ARIN addresses announced to Internet: 804708544 Equivalent to 47 /8s, 246 /16s and 224 /24s Percentage of available ARIN address space announced: 64.0 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: 96603 Total RIPE prefixes after maximum aggregation: 51929 RIPE Deaggregation factor: 1.86 Prefixes being announced from the RIPE address blocks: 88466 Unique aggregates announced from the RIPE address blocks: 55570 RIPE Region origin ASes present in the Internet Routing Table: 16238 RIPE Prefixes per ASN: 5.45 RIPE Region origin ASes announcing only one prefix: 7979 RIPE Region transit ASes present in the Internet Routing Table: 2582 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1284 Number of RIPE addresses announced to Internet: 497328072 Equivalent to 29 /8s, 164 /16s and 159 /24s Percentage of available RIPE address space announced: 80.1 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 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: 37209 Total LACNIC prefixes after maximum aggregation: 8038 LACNIC Deaggregation factor: 4.63 Prefixes being announced from the LACNIC address blocks: 36808 Unique aggregates announced from the LACNIC address blocks: 19247 LACNIC Region origin ASes present in the Internet Routing Table: 1560 LACNIC Prefixes per ASN: 23.59 LACNIC Region origin ASes announcing only one prefix: 446 LACNIC Region transit ASes present in the Internet Routing Table: 287 Average LACNIC Region AS path length visible: 4.4 Max LACNIC Region AS path length visible: 28 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 416 Number of LACNIC addresses announced to Internet: 95387016 Equivalent to 5 /8s, 175 /16s and 125 /24s Percentage of available LACNIC address space announced: 63.2 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: 8459 Total AfriNIC prefixes after maximum aggregation: 2074 AfriNIC Deaggregation factor: 4.08 Prefixes being announced from the AfriNIC address blocks: 6501 Unique aggregates announced from the AfriNIC address blocks: 2075 AfriNIC Region origin ASes present in the Internet Routing Table: 506 AfriNIC Prefixes per ASN: 12.85 AfriNIC Region origin ASes announcing only one prefix: 159 AfriNIC Region transit ASes present in the Internet Routing Table: 115 Average AfriNIC Region AS path length visible: 4.5 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: 30834432 Equivalent to 1 /8s, 214 /16s and 127 /24s Percentage of available AfriNIC address space announced: 45.9 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 2473 11100 971 Korea Telecom (KIX) 17974 1715 503 36 PT TELEKOMUNIKASI INDONESIA 7545 1609 303 83 TPG Internet Pty Ltd 4755 1516 385 156 TATA Communications formerly 7552 1425 1064 7 Vietel Corporation 9829 1163 989 28 BSNL National Internet Backbo 9583 1118 81 495 Sify Limited 4808 1103 2053 314 CNCGROUP IP network: China169 24560 1010 384 167 Bharti Airtel Ltd., Telemedia 18101 976 130 155 Reliance Infocom Ltd Internet 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 3455 3807 207 bellsouth.net, inc. 7029 3222 1017 200 Windstream Communications Inc 18566 2093 382 177 Covad Communications 1785 1865 680 123 PaeTec Communications, Inc. 20115 1618 1552 619 Charter Communications 4323 1604 1062 382 Time Warner Telecom 22773 1517 2909 108 Cox Communications, Inc. 30036 1489 264 696 Mediacom Communications Corp 19262 1388 4683 401 Verizon Global Networks 7018 1299 7012 850 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 1665 480 15 Corbina telecom 15557 1096 2161 64 LDCOM NETWORKS 2118 927 99 14 EUnet/RELCOM Autonomous Syste 31148 657 35 9 FreeNet ISP 6830 644 1928 413 UPC Distribution Services 34984 639 188 174 BILISIM TELEKOM 20940 562 182 448 Akamai Technologies European 12479 551 636 53 Uni2 Autonomous System 8551 521 360 81 Bezeq International 3320 517 8157 393 Deutsche Telekom AG 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 1738 321 159 TVCABLE BOGOTA 28573 1579 1066 77 NET Servicos de Comunicao S.A 8151 1462 2997 343 UniNet S.A. de C.V. 7303 1256 756 179 Telecom Argentina Stet-France 27947 634 73 95 Telconet S.A 22047 582 322 17 VTR PUNTO NET S.A. 7738 551 1050 31 Telecomunicacoes da Bahia S.A 3816 550 238 92 Empresa Nacional de Telecomun 6503 541 434 68 AVANTEL, S.A. 11172 535 102 101 Servicios Alestra S.A de C.V 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 1013 958 13 TEDATA 24863 795 146 36 LINKdotNET AS number 3741 280 939 229 The Internet Solution 6713 250 649 18 Itissalat Al-MAGHRIB 33776 240 13 8 Starcomms Nigeria Limited 15706 239 32 6 Sudatel Internet Exchange Aut 29571 218 17 12 Ci Telecom Autonomous system 12258 195 28 60 Vodacom Internet Company 24835 188 80 8 RAYA Telecom - Egypt 16637 160 664 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 3455 3807 207 bellsouth.net, inc. 7029 3222 1017 200 Windstream Communications Inc 4766 2473 11100 971 Korea Telecom (KIX) 18566 2093 382 177 Covad Communications 1785 1865 680 123 PaeTec Communications, Inc. 10620 1738 321 159 TVCABLE BOGOTA 17974 1715 503 36 PT TELEKOMUNIKASI INDONESIA 8402 1665 480 15 Corbina telecom 20115 1618 1552 619 Charter Communications 7545 1609 303 83 TPG Internet Pty Ltd 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 3222 3022 Windstream Communications Inc 18566 2093 1916 Covad Communications 1785 1865 1742 PaeTec Communications, Inc. 17974 1715 1679 PT TELEKOMUNIKASI INDONESIA 8402 1665 1650 Corbina telecom 10620 1738 1579 TVCABLE BOGOTA 7545 1609 1526 TPG Internet Pty Ltd 4766 2473 1502 Korea Telecom (KIX) 28573 1579 1502 NET Servicos de Comunicao S.A 7552 1425 1418 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 37.46.80.0/21 23456 32-bit ASN transition 41.222.79.0/24 37345 MEDALLION Communications 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 /11:81 /12:234 /13:463 /14:817 /15:1459 /16:12118 /17:6147 /18:10195 /19:20203 /20:27995 /21:28534 /22:38863 /23:36419 /24:203565 /25:1181 /26:1420 /27:782 /28:171 /29:56 /30:13 /31:0 /32:18 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 7029 2842 3222 Windstream Communications Inc 6389 2116 3455 bellsouth.net, inc. 18566 2042 2093 Covad Communications 8402 1644 1665 Corbina telecom 10620 1633 1738 TVCABLE BOGOTA 30036 1448 1489 Mediacom Communications Corp 11492 1115 1152 Cable One 1785 1066 1865 PaeTec Communications, Inc. 15557 1046 1096 LDCOM NETWORKS 7011 1042 1159 Citizens Utilities Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:494 2:464 4:15 5:1 6:3 8:368 12:1950 13:1 14:586 15:11 16:3 17:6 20:9 23:98 24:1710 27:1170 31:812 32:67 33:2 34:2 36:8 37:87 38:794 40:114 41:2895 42:85 43:1 44:3 46:1216 47:3 49:317 50:506 52:13 55:7 56:2 57:41 58:946 59:491 60:344 61:1182 62:950 63:1966 64:4119 65:2298 66:4375 67:2005 68:1155 69:3149 70:918 71:427 72:1805 74:2649 75:446 76:320 77:948 78:899 79:497 80:1187 81:863 82:550 83:530 84:586 85:1155 86:748 87:908 88:338 89:1598 90:267 91:4418 92:534 93:1543 94:1351 95:1062 96:394 97:296 98:798 99:38 100:18 101:127 103:637 106:10 107:133 108:125 109:1422 110:684 111:839 112:427 113:519 114:610 115:756 116:868 117:726 118:907 119:1235 120:357 121:679 122:1624 123:1050 124:1336 125:1352 128:535 129:192 130:201 131:588 132:162 133:21 134:226 135:58 136:213 137:151 138:288 139:144 140:490 141:261 142:379 143:393 144:504 145:68 146:484 147:223 148:635 149:279 150:166 151:193 152:447 153:170 154:7 155:393 156:210 157:366 158:155 159:511 160:320 161:222 162:337 163:188 164:529 165:391 166:562 167:456 168:853 169:147 170:830 171:103 172:4 173:1778 174:589 175:418 176:348 177:454 178:1183 180:1219 181:43 182:687 183:264 184:430 185:1 186:1490 187:831 188:1034 189:1156 190:5321 192:5991 193:5462 194:3943 195:3313 196:1281 197:167 198:3627 199:4295 200:5583 201:1703 202:8417 203:8588 204:4353 205:2430 206:2734 207:2806 208:4020 209:3551 210:2742 211:1480 212:1968 213:1818 214:838 215:94 216:4938 217:1472 218:560 219:337 220:1247 221:557 222:324 223:267 End of report
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