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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri May 28 20:09:51 CEST 2010
This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. Daily listings are sent to bgp-stats at lists.apnic.net For historical data, please see http://thyme.apnic.net. If you have any comments please contact Philip Smith <pfs at cisco.com>. Routing Table Report 04:00 +10GMT Sat 29 May, 2010 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 321666 Prefixes after maximum aggregation: 148426 Deaggregation factor: 2.17 Unique aggregates announced to Internet: 156760 Total ASes present in the Internet Routing Table: 34085 Prefixes per ASN: 9.44 Origin-only ASes present in the Internet Routing Table: 29586 Origin ASes announcing only one prefix: 14361 Transit ASes present in the Internet Routing Table: 4499 Transit-only ASes present in the Internet Routing Table: 100 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 24 Max AS path prepend of ASN (41664) 21 Prefixes from unregistered ASNs in the Routing Table: 332 Unregistered ASNs in the Routing Table: 121 Number of 32-bit ASNs allocated by the RIRs: 591 Prefixes from 32-bit ASNs in the Routing Table: 675 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 162 Number of addresses announced to Internet: 2257820704 Equivalent to 134 /8s, 147 /16s and 156 /24s Percentage of available address space announced: 60.9 Percentage of allocated address space announced: 66.3 Percentage of available address space allocated: 91.9 Percentage of address space in use by end-sites: 83.0 Total number of prefixes smaller than registry allocations: 153947 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 76876 Total APNIC prefixes after maximum aggregation: 26795 APNIC Deaggregation factor: 2.87 Prefixes being announced from the APNIC address blocks: 73868 Unique aggregates announced from the APNIC address blocks: 32526 APNIC Region origin ASes present in the Internet Routing Table: 4061 APNIC Prefixes per ASN: 18.19 APNIC Region origin ASes announcing only one prefix: 1119 APNIC Region transit ASes present in the Internet Routing Table: 631 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 520615232 Equivalent to 31 /8s, 7 /16s and 245 /24s Percentage of available APNIC address space announced: 77.6 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079 55296-56319, 131072-132095 APNIC Address Blocks 1/8, 14/8, 27/8, 43/8, 58/8, 59/8, 60/8, 61/8, 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: 133880 Total ARIN prefixes after maximum aggregation: 68966 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 106763 Unique aggregates announced from the ARIN address blocks: 40970 ARIN Region origin ASes present in the Internet Routing Table: 13704 ARIN Prefixes per ASN: 7.79 ARIN Region origin ASes announcing only one prefix: 5273 ARIN Region transit ASes present in the Internet Routing Table: 1348 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 731534880 Equivalent to 43 /8s, 154 /16s and 86 /24s Percentage of available ARIN address space announced: 62.3 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, 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, 54/8, 55/8, 56/8, 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, 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: 74212 Total RIPE prefixes after maximum aggregation: 43045 RIPE Deaggregation factor: 1.72 Prefixes being announced from the RIPE address blocks: 67190 Unique aggregates announced from the RIPE address blocks: 44130 RIPE Region origin ASes present in the Internet Routing Table: 14487 RIPE Prefixes per ASN: 4.64 RIPE Region origin ASes announcing only one prefix: 7464 RIPE Region transit ASes present in the Internet Routing Table: 2168 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 24 Number of RIPE addresses announced to Internet: 428079040 Equivalent to 25 /8s, 131 /16s and 247 /24s Percentage of available RIPE address space announced: 75.0 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, 196608-197631 RIPE Address Blocks 2/8, 25/8, 31/8, 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, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 28430 Total LACNIC prefixes after maximum aggregation: 6826 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 26846 Unique aggregates announced from the LACNIC address blocks: 14057 LACNIC Region origin ASes present in the Internet Routing Table: 1295 LACNIC Prefixes per ASN: 20.73 LACNIC Region origin ASes announcing only one prefix: 398 LACNIC Region transit ASes present in the Internet Routing Table: 227 Average LACNIC Region AS path length visible: 3.9 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 73279744 Equivalent to 4 /8s, 94 /16s and 41 /24s Percentage of available LACNIC address space announced: 72.8 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 plus ERX transfers LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 7359 Total AfriNIC prefixes after maximum aggregation: 1852 AfriNIC Deaggregation factor: 3.97 Prefixes being announced from the AfriNIC address blocks: 5668 Unique aggregates announced from the AfriNIC address blocks: 1668 AfriNIC Region origin ASes present in the Internet Routing Table: 363 AfriNIC Prefixes per ASN: 15.61 AfriNIC Region origin ASes announcing only one prefix: 107 AfriNIC Region transit ASes present in the Internet Routing Table: 82 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 17983744 Equivalent to 1 /8s, 18 /16s and 105 /24s Percentage of available AfriNIC address space announced: 53.6 AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4766 1847 8422 483 Korea Telecom (KIX) 17488 1316 140 123 Hathway IP Over Cable Interne 4755 1310 293 153 TATA Communications formerly 7545 1279 232 104 TPG Internet Pty Ltd 17974 1067 281 19 PT TELEKOMUNIKASI INDONESIA 9583 1001 74 491 Sify Limited 24560 907 306 171 Bharti Airtel Ltd., Telemedia 4134 875 21259 406 CHINANET-BACKBONE 4808 848 1571 213 CNCGROUP IP network: China169 9829 797 681 34 BSNL National Internet Backbo Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 3922 3733 287 bellsouth.net, inc. 4323 3364 1116 404 Time Warner Telecom 1785 1787 699 130 PaeTec Communications, Inc. 20115 1528 1498 656 Charter Communications 7018 1515 5735 965 AT&T WorldNet Services 2386 1285 569 914 AT&T Data Communications Serv 6478 1252 257 97 AT&T Worldnet Services 3356 1186 10883 405 Level 3 Communications, LLC 22773 1155 2604 64 Cox Communications, Inc. 11492 1149 207 70 Cable One Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 35805 628 56 6 United Telecom of Georgia 3292 454 2028 395 TDC Tele Danmark 30890 444 116 208 Evolva Telecom 702 415 1869 330 UUNET - Commercial IP service 8551 402 355 38 Bezeq International 8866 399 117 18 Bulgarian Telecommunication C 3301 368 1414 323 TeliaNet Sweden 3320 365 7072 318 Deutsche Telekom AG 34984 358 88 183 BILISIM TELEKOM 12479 337 576 5 Uni2 Autonomous System Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1522 2965 245 UniNet S.A. de C.V. 10620 1050 236 151 TVCABLE BOGOTA 28573 893 724 77 NET Servicos de Comunicao S.A 7303 730 377 107 Telecom Argentina Stet-France 6503 588 174 209 AVANTEL, S.A. 22047 545 310 15 VTR PUNTO NET S.A. 7738 477 922 30 Telecomunicacoes da Bahia S.A 3816 473 204 73 Empresa Nacional de Telecomun 14117 455 30 13 Telefonica del Sur S.A. 11172 443 99 71 Servicios Alestra S.A de C.V Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 8452 1283 445 10 TEDATA 24863 713 147 39 LINKdotNET AS number 36992 638 278 185 Etisalat MISR 3741 270 852 231 The Internet Solution 2018 217 231 112 Tertiary Education Network 33776 213 11 14 Starcomms Nigeria Limited 6713 176 167 12 Itissalat Al-MAGHRIB 24835 176 78 10 RAYA Telecom - Egypt 29571 172 19 9 Ci Telecom Autonomous system 29975 133 506 14 Vodacom Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 3922 3733 287 bellsouth.net, inc. 4323 3364 1116 404 Time Warner Telecom 4766 1847 8422 483 Korea Telecom (KIX) 1785 1787 699 130 PaeTec Communications, Inc. 20115 1528 1498 656 Charter Communications 8151 1522 2965 245 UniNet S.A. de C.V. 7018 1515 5735 965 AT&T WorldNet Services 17488 1316 140 123 Hathway IP Over Cable Interne 4755 1310 293 153 TATA Communications formerly 2386 1285 569 914 AT&T Data Communications Serv Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 3364 2960 Time Warner Telecom 1785 1787 1657 PaeTec Communications, Inc. 4766 1847 1364 Korea Telecom (KIX) 8151 1522 1277 UniNet S.A. de C.V. 8452 1283 1273 TEDATA 17488 1316 1193 Hathway IP Over Cable Interne 7545 1279 1175 TPG Internet Pty Ltd 4755 1310 1157 TATA Communications formerly 6478 1252 1155 AT&T Worldnet Services 22773 1155 1091 Cox Communications, Inc. Complete listing at http://thyme.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic 13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic 25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic Complete listing at http://thyme.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 31.0.0.0/16 12654 RIPE NCC RIS Project 31.0.0.0/8 237 Merit Network 31.1.0.0/21 12654 RIPE NCC RIS Project 31.1.24.0/24 12654 RIPE NCC RIS Project 41.222.79.0/24 36938 >>UNKNOWN<< 41.223.92.0/22 36936 >>UNKNOWN<< 41.223.188.0/24 22351 Intelsat 41.223.196.0/24 36990 Alkan Telecom Ltd 41.223.197.0/24 36990 Alkan Telecom Ltd 41.223.198.0/24 36990 Alkan Telecom Ltd Complete listing at http://thyme.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 /8:21 /9:10 /10:26 /11:67 /12:194 /13:402 /14:692 /15:1274 /16:11080 /17:5285 /18:8994 /19:18272 /20:22581 /21:22622 /22:29517 /23:29210 /24:168435 /25:964 /26:1259 /27:628 /28:108 /29:10 /30:7 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2513 3922 bellsouth.net, inc. 4323 1850 3364 Time Warner Telecom 4766 1479 1847 Korea Telecom (KIX) 1785 1251 1787 PaeTec Communications, Inc. 8452 1170 1283 TEDATA 11492 1063 1149 Cable One 17488 1063 1316 Hathway IP Over Cable Interne 18566 1040 1059 Covad Communications 10620 966 1050 TVCABLE BOGOTA 7018 908 1515 AT&T WorldNet Services Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1 4:13 8:261 12:2012 13:10 14:1 15:23 16:3 17:8 20:21 24:1424 27:111 31:1 32:47 33:12 38:673 40:98 41:2520 44:3 47:26 52:8 55:7 56:2 57:24 58:728 59:503 60:456 61:1080 62:1062 63:1974 64:3612 65:2348 66:4251 67:1826 68:1113 69:2855 70:714 71:243 72:1824 73:2 74:2093 75:253 76:309 77:863 78:624 79:425 80:1010 81:801 82:480 83:448 84:691 85:1058 86:466 87:693 88:333 89:1552 90:90 91:2776 92:505 93:1112 94:1423 95:598 96:280 97:315 98:566 99:28 108:32 109:492 110:360 111:500 112:263 113:296 114:411 115:578 116:1035 117:645 118:444 119:934 120:142 121:741 122:1436 123:913 124:1104 125:1315 128:211 129:210 130:193 131:559 132:247 133:17 134:196 135:45 136:222 137:171 138:256 139:103 140:482 141:136 142:353 143:386 144:475 145:52 146:424 147:165 148:611 149:291 150:153 151:169 152:261 153:168 154:2 155:326 156:156 157:325 158:107 159:374 160:315 161:179 162:258 163:180 164:407 165:348 166:473 167:398 168:781 169:165 170:710 171:53 172:2 173:767 174:661 175:92 176:1 178:145 180:479 182:79 183:128 184:45 186:392 187:345 188:1343 189:794 190:3662 192:5749 193:4695 194:3355 195:2783 196:1202 198:3564 199:3430 200:5365 201:1508 202:8017 203:8307 204:4066 205:2332 206:2526 207:3042 208:3889 209:3412 210:2508 211:1243 212:1748 213:1688 214:656 215:69 216:4659 217:1536 218:488 219:378 220:1123 221:399 222:316 223:1 End of report
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