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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Mar 16 19:57:39 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 17 Mar, 2012 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 401129 Prefixes after maximum aggregation: 170803 Deaggregation factor: 2.35 Unique aggregates announced to Internet: 194695 Total ASes present in the Internet Routing Table: 40373 Prefixes per ASN: 9.94 Origin-only ASes present in the Internet Routing Table: 32891 Origin ASes announcing only one prefix: 15486 Transit ASes present in the Internet Routing Table: 5406 Transit-only ASes present in the Internet Routing Table: 141 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 33 Max AS path prepend of ASN (48687) 24 Prefixes from unregistered ASNs in the Routing Table: 407 Unregistered ASNs in the Routing Table: 187 Number of 32-bit ASNs allocated by the RIRs: 2322 Number of 32-bit ASNs visible in the Routing Table: 2076 Prefixes from 32-bit ASNs in the Routing Table: 5015 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 687 Number of addresses announced to Internet: 2526912912 Equivalent to 150 /8s, 157 /16s and 161 /24s Percentage of available address space announced: 68.2 Percentage of allocated address space announced: 68.2 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 92.1 Total number of prefixes smaller than registry allocations: 170384 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 98366 Total APNIC prefixes after maximum aggregation: 31927 APNIC Deaggregation factor: 3.08 Prefixes being announced from the APNIC address blocks: 94757 Unique aggregates announced from the APNIC address blocks: 39280 APNIC Region origin ASes present in the Internet Routing Table: 4667 APNIC Prefixes per ASN: 20.30 APNIC Region origin ASes announcing only one prefix: 1233 APNIC Region transit ASes present in the Internet Routing Table: 728 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 18 Number of APNIC region 32-bit ASNs visible in the Routing Table: 165 Number of APNIC addresses announced to Internet: 640873312 Equivalent to 38 /8s, 50 /16s and 243 /24s Percentage of available APNIC address space announced: 81.3 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: 148801 Total ARIN prefixes after maximum aggregation: 75607 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 120341 Unique aggregates announced from the ARIN address blocks: 49824 ARIN Region origin ASes present in the Internet Routing Table: 14938 ARIN Prefixes per ASN: 8.06 ARIN Region origin ASes announcing only one prefix: 5674 ARIN Region transit ASes present in the Internet Routing Table: 1573 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: 806524160 Equivalent to 48 /8s, 18 /16s and 149 /24s Percentage of available ARIN address space announced: 64.1 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, 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: 100879 Total RIPE prefixes after maximum aggregation: 52925 RIPE Deaggregation factor: 1.91 Prefixes being announced from the RIPE address blocks: 92343 Unique aggregates announced from the RIPE address blocks: 57046 RIPE Region origin ASes present in the Internet Routing Table: 16347 RIPE Prefixes per ASN: 5.65 RIPE Region origin ASes announcing only one prefix: 7976 RIPE Region transit ASes present in the Internet Routing Table: 2618 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: 1415 Number of RIPE addresses announced to Internet: 502120968 Equivalent to 29 /8s, 237 /16s and 194 /24s Percentage of available RIPE address space announced: 80.9 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 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: 39029 Total LACNIC prefixes after maximum aggregation: 8078 LACNIC Deaggregation factor: 4.83 Prefixes being announced from the LACNIC address blocks: 38752 Unique aggregates announced from the LACNIC address blocks: 19591 LACNIC Region origin ASes present in the Internet Routing Table: 1572 LACNIC Prefixes per ASN: 24.65 LACNIC Region origin ASes announcing only one prefix: 438 LACNIC Region transit ASes present in the Internet Routing Table: 289 Average LACNIC Region AS path length visible: 4.4 Max LACNIC Region AS path length visible: 18 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 476 Number of LACNIC addresses announced to Internet: 98357384 Equivalent to 5 /8s, 220 /16s and 208 /24s Percentage of available LACNIC address space announced: 65.1 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: 8782 Total AfriNIC prefixes after maximum aggregation: 2113 AfriNIC Deaggregation factor: 4.16 Prefixes being announced from the AfriNIC address blocks: 6876 Unique aggregates announced from the AfriNIC address blocks: 2175 AfriNIC Region origin ASes present in the Internet Routing Table: 522 AfriNIC Prefixes per ASN: 13.17 AfriNIC Region origin ASes announcing only one prefix: 165 AfriNIC Region transit ASes present in the Internet Routing Table: 116 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: 5 Number of AfriNIC addresses announced to Internet: 31557120 Equivalent to 1 /8s, 225 /16s and 134 /24s Percentage of available AfriNIC address space announced: 47.0 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 2492 11110 994 Korea Telecom (KIX) 17974 1744 503 36 PT TELEKOMUNIKASI INDONESIA 7545 1652 303 87 TPG Internet Pty Ltd 4755 1569 386 160 TATA Communications formerly 9583 1202 91 509 Sify Limited 9829 1189 1001 30 BSNL National Internet Backbo 7552 1162 1062 11 Vietel Corporation 4808 1095 2048 312 CNCGROUP IP network: China169 24560 1012 384 166 Bharti Airtel Ltd., Telemedia 18101 948 130 160 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 7029 3395 1006 158 Windstream Communications Inc 6389 3384 3807 198 bellsouth.net, inc. 18566 2091 382 177 Covad Communications 1785 1882 680 127 PaeTec Communications, Inc. 20115 1631 1558 628 Charter Communications 4323 1603 1060 382 Time Warner Telecom 22773 1547 2910 111 Cox Communications, Inc. 30036 1396 252 747 Mediacom Communications Corp 7018 1275 9776 835 AT&T WorldNet Services 11492 1164 212 415 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 1779 544 16 Corbina telecom 2118 1427 97 13 EUnet/RELCOM Autonomous Syste 15557 1089 2247 55 LDCOM NETWORKS 34984 664 188 172 BILISIM TELEKOM 6830 641 1943 412 UPC Distribution Services 12479 638 653 67 Uni2 Autonomous System 20940 628 201 487 Akamai Technologies European 8551 575 360 81 Bezeq International 31148 539 37 9 FreeNet ISP 3320 533 8442 399 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 1789 328 143 TVCABLE BOGOTA 28573 1721 1094 58 NET Servicos de Comunicao S.A 8151 1484 3015 348 UniNet S.A. de C.V. 7303 1330 823 185 Telecom Argentina Stet-France 26615 900 676 30 Tim Brasil S.A. 27947 680 68 108 Telconet S.A 11172 635 91 73 Servicios Alestra S.A de C.V 22047 584 326 15 VTR PUNTO NET S.A. 3816 559 240 89 Empresa Nacional de Telecomun 6503 559 418 65 AVANTEL, 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 1258 958 13 TEDATA 24863 842 274 37 LINKdotNET AS number 6713 489 649 18 Itissalat Al-MAGHRIB 3741 271 923 228 The Internet Solution 15706 227 32 6 Sudatel Internet Exchange Aut 12258 197 28 62 Vodacom Internet Company 24835 182 80 8 RAYA Telecom - Egypt 33776 158 12 25 Starcomms Nigeria Limited 36923 157 20 4 Swift Networks Limited 29571 153 15 16 Ci Telecom Autonomous system 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 7029 3395 1006 158 Windstream Communications Inc 6389 3384 3807 198 bellsouth.net, inc. 4766 2492 11110 994 Korea Telecom (KIX) 18566 2091 382 177 Covad Communications 1785 1882 680 127 PaeTec Communications, Inc. 10620 1789 328 143 TVCABLE BOGOTA 8402 1779 544 16 Corbina telecom 17974 1744 503 36 PT TELEKOMUNIKASI INDONESIA 28573 1721 1094 58 NET Servicos de Comunicao S.A 7545 1652 303 87 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 6389 3384 3186 bellsouth.net, inc. 18566 2091 1914 Covad Communications 8402 1779 1763 Corbina telecom 1785 1882 1755 PaeTec Communications, Inc. 17974 1744 1708 PT TELEKOMUNIKASI INDONESIA 28573 1721 1663 NET Servicos de Comunicao S.A 10620 1789 1646 TVCABLE BOGOTA 7545 1652 1565 TPG Internet Pty Ltd 4766 2492 1498 Korea Telecom (KIX) 22773 1547 1436 Cox Communications, Inc. 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 14.192.8.0/22 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 23.27.0.0/20 54500 EGIHosting 23.27.16.0/20 54500 EGIHosting 23.27.32.0/20 54500 EGIHosting 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 /10:28 /11:81 /12:235 /13:458 /14:821 /15:1475 /16:12185 /17:6236 /18:10418 /19:20518 /20:28618 /21:29535 /22:40003 /23:37293 /24:209464 /25:1218 /26:1453 /27:794 /28:169 /29:60 /30:17 /31:0 /32:19 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 7029 3051 3395 Windstream Communications Inc 6389 2092 3384 bellsouth.net, inc. 18566 2040 2091 Covad Communications 8402 1756 1779 Corbina telecom 10620 1686 1789 TVCABLE BOGOTA 30036 1345 1396 Mediacom Communications Corp 11492 1127 1164 Cable One 8452 1068 1258 TEDATA 1785 1065 1882 PaeTec Communications, Inc. 7011 1038 1152 Citizens Utilities Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:531 2:798 4:14 6:3 8:394 12:1972 13:1 14:599 15:11 16:3 17:7 20:8 23:144 24:1753 27:1239 31:956 32:62 33:2 34:2 36:8 37:259 38:777 40:122 41:3013 42:128 44:3 46:1421 47:3 49:342 50:515 52:13 54:5 55:10 56:3 57:38 58:953 59:495 60:278 61:1191 62:978 63:2014 64:4163 65:2285 66:4487 67:2000 68:1159 69:3170 70:900 71:389 72:1779 74:2583 75:490 76:319 77:968 78:979 79:497 80:1218 81:891 82:633 83:547 84:596 85:1186 86:726 87:910 88:335 89:1565 90:288 91:4598 92:517 93:1454 94:1393 95:1125 96:375 97:316 98:818 99:38 100:6 101:203 103:901 106:64 107:173 108:204 109:1531 110:746 111:881 112:441 113:562 114:617 115:776 116:868 117:723 118:906 119:1203 120:336 121:690 122:1626 123:1088 124:1364 125:1274 128:547 129:190 130:263 131:595 132:170 133:21 134:239 135:63 136:212 137:185 138:275 139:145 140:493 141:241 142:389 143:418 144:500 145:69 146:490 147:240 148:724 149:300 150:158 151:176 152:455 153:171 154:7 155:430 156:213 157:379 158:163 159:521 160:327 161:246 162:341 163:185 164:533 165:393 166:563 167:462 168:803 169:148 170:842 171:121 172:4 173:1715 174:596 175:434 176:416 177:553 178:1286 180:1132 181:73 182:793 183:284 184:445 185:1 186:2114 187:843 188:1060 189:1208 190:5534 192:5989 193:5588 194:4562 195:3639 196:1280 197:170 198:3616 199:4453 200:5750 201:1646 202:8431 203:8592 204:4347 205:2458 206:2720 207:2797 208:4073 209:3586 210:2764 211:1463 212:1966 213:1877 214:861 215:105 216:5053 217:1522 218:540 219:339 220:1231 221:552 222:324 223:325 End of report
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