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[routing-wg]Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Jul 3 20:12:21 CEST 2009
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 04 Jul, 2009 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 289924 Prefixes after maximum aggregation: 137398 Deaggregation factor: 2.11 Unique aggregates announced to Internet: 143783 Total ASes present in the Internet Routing Table: 31638 Prefixes per ASN: 9.16 Origin-only ASes present in the Internet Routing Table: 27506 Origin ASes announcing only one prefix: 13385 Transit ASes present in the Internet Routing Table: 4132 Transit-only ASes present in the Internet Routing Table: 99 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 24 Max AS path prepend of ASN (12026) 22 Prefixes from unregistered ASNs in the Routing Table: 478 Unregistered ASNs in the Routing Table: 134 Number of 32-bit ASNs allocated by the RIRs: 193 Prefixes from 32-bit ASNs in the Routing Table: 65 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 345 Number of addresses announced to Internet: 2063493440 Equivalent to 122 /8s, 254 /16s and 105 /24s Percentage of available address space announced: 55.7 Percentage of allocated address space announced: 64.4 Percentage of available address space allocated: 86.4 Percentage of address space in use by end-sites: 78.1 Total number of prefixes smaller than registry allocations: 143430 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 69259 Total APNIC prefixes after maximum aggregation: 24587 APNIC Deaggregation factor: 2.82 Prefixes being announced from the APNIC address blocks: 68669 Unique aggregates announced from the APNIC address blocks: 31173 APNIC Region origin ASes present in the Internet Routing Table: 3691 APNIC Prefixes per ASN: 18.60 APNIC Region origin ASes announcing only one prefix: 1002 APNIC Region transit ASes present in the Internet Routing Table: 566 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 463130240 Equivalent to 27 /8s, 154 /16s and 206 /24s Percentage of available APNIC address space announced: 86.3 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079 APNIC Address Blocks 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, 180/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 123352 Total ARIN prefixes after maximum aggregation: 65801 ARIN Deaggregation factor: 1.87 Prefixes being announced from the ARIN address blocks: 124082 Unique aggregates announced from the ARIN address blocks: 51892 ARIN Region origin ASes present in the Internet Routing Table: 13054 ARIN Prefixes per ASN: 9.51 ARIN Region origin ASes announcing only one prefix: 5015 ARIN Region transit ASes present in the Internet Routing Table: 1280 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 24 Number of ARIN addresses announced to Internet: 1009850048 Equivalent to 60 /8s, 49 /16s and 22 /24s Percentage of available ARIN address space announced: 194.2 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 ARIN Address Blocks 24/8, 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, 108/8, 173/8, 174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 66420 Total RIPE prefixes after maximum aggregation: 39205 RIPE Deaggregation factor: 1.69 Prefixes being announced from the RIPE address blocks: 66083 Unique aggregates announced from the RIPE address blocks: 44429 RIPE Region origin ASes present in the Internet Routing Table: 13245 RIPE Prefixes per ASN: 4.99 RIPE Region origin ASes announcing only one prefix: 6913 RIPE Region transit ASes present in the Internet Routing Table: 1987 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 496075456 Equivalent to 29 /8s, 145 /16s and 130 /24s Percentage of available RIPE address space announced: 105.6 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 RIPE Address Blocks 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, 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: 24366 Total LACNIC prefixes after maximum aggregation: 5991 LACNIC Deaggregation factor: 4.07 Prefixes being announced from the LACNIC address blocks: 24217 Unique aggregates announced from the LACNIC address blocks: 13477 LACNIC Region origin ASes present in the Internet Routing Table: 1135 LACNIC Prefixes per ASN: 21.34 LACNIC Region origin ASes announcing only one prefix: 362 LACNIC Region transit ASes present in the Internet Routing Table: 187 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 21 Number of LACNIC addresses announced to Internet: 71888384 Equivalent to 4 /8s, 72 /16s and 238 /24s Percentage of available LACNIC address space announced: 71.4 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247 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: 6117 Total AfriNIC prefixes after maximum aggregation: 1492 AfriNIC Deaggregation factor: 4.10 Prefixes being announced from the AfriNIC address blocks: 6514 Unique aggregates announced from the AfriNIC address blocks: 2536 AfriNIC Region origin ASes present in the Internet Routing Table: 303 AfriNIC Prefixes per ASN: 21.50 AfriNIC Region origin ASes announcing only one prefix: 93 AfriNIC Region transit ASes present in the Internet Routing Table: 64 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 20174592 Equivalent to 1 /8s, 51 /16s and 215 /24s Percentage of available AfriNIC address space announced: 60.1 AfriNIC AS Blocks 36864-37887 & 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 1702 6934 405 Korea Telecom (KIX) 17488 1537 138 95 Hathway IP Over Cable Interne 4755 1213 308 144 TATA Communications formerly 9583 1132 91 548 Sify Limited 4134 977 17080 375 CHINANET-BACKBONE 7545 806 198 101 TPG Internet Pty Ltd 9829 797 611 14 BSNL National Internet Backbo 23577 783 34 666 Korea Telecom (ATM-MPLS) 18101 754 200 32 Reliance Infocom Ltd Internet 24560 724 230 172 Bharti Airtel Ltd. 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 4266 3643 323 bellsouth.net, inc. 4323 1887 1047 384 Time Warner Telecom 1785 1705 714 139 PaeTec Communications, Inc. 7018 1503 5909 1046 AT&T WorldNet Services 20115 1396 1462 687 Charter Communications 2386 1267 671 921 AT&T Data Communications Serv 6478 1206 274 317 AT&T Worldnet Services 3356 1199 10961 443 Level 3 Communications, LLC 11492 1122 208 12 Cable One 22773 1071 2604 66 Cox Communications, Inc. 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 12479 474 578 6 Uni2 Autonomous System 3292 457 1902 394 TDC Tele Danmark 702 429 1861 345 UUNET - Commercial IP service 30890 414 88 194 Evolva Telecom 35805 354 40 5 United Telecom of Georgia 8866 351 109 21 Bulgarian Telecommunication C 3301 347 1684 309 TeliaNet Sweden 3320 344 7067 300 Deutsche Telekom AG 3215 342 3049 107 France Telecom Transpac 29049 317 26 3 AzerSat LLC. 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 1465 2883 232 UniNet S.A. de C.V. 10620 921 211 103 TVCABLE BOGOTA 28573 611 570 31 NET Servicos de Comunicao S.A 22047 601 302 14 VTR PUNTO NET S.A. 7303 572 304 90 Telecom Argentina Stet-France 11830 487 293 55 Instituto Costarricense de El 6471 439 96 31 ENTEL CHILE S.A. 11172 439 99 68 Servicios Alestra S.A de C.V 7738 404 794 28 Telecomunicacoes da Bahia S.A 3816 373 191 85 Empresa Nacional de Telecomun 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 994 188 7 TEDATA 24863 892 88 46 LINKdotNET AS number 20858 319 34 5 EgyNet 3741 276 856 236 The Internet Solution 2018 243 215 143 Tertiary Education Network 6713 175 166 16 Itissalat Al-MAGHRIB 33783 152 10 8 EEPAD TISP TELECOM & INTERNET 29571 139 15 8 Ci Telecom Autonomous system 5536 123 8 9 Internet Egypt Network 5713 116 508 67 Telkom SA Ltd 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 4266 3643 323 bellsouth.net, inc. 4323 1887 1047 384 Time Warner Telecom 1785 1705 714 139 PaeTec Communications, Inc. 4766 1702 6934 405 Korea Telecom (KIX) 17488 1537 138 95 Hathway IP Over Cable Interne 7018 1503 5909 1046 AT&T WorldNet Services 8151 1465 2883 232 UniNet S.A. de C.V. 20115 1396 1462 687 Charter Communications 2386 1267 671 921 AT&T Data Communications Serv 4755 1213 308 144 TATA Communications formerly Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 1785 1705 1566 PaeTec Communications, Inc. 4323 1887 1503 Time Warner Telecom 17488 1537 1442 Hathway IP Over Cable Interne 4766 1702 1297 Korea Telecom (KIX) 8151 1465 1233 UniNet S.A. de C.V. 11492 1122 1110 Cable One 4755 1213 1069 TATA Communications formerly 18566 1062 1052 Covad Communications 22773 1071 1005 Cox Communications, Inc. 8452 994 987 TEDATA 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 12.39.159.0/24 7018 AT&T WorldNet Servic 32326 UNALLOCATED 12.40.49.0/24 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 41.223.92.0/22 36936 >>UNKNOWN<< 41.223.112.0/22 5713 Telkom SA Ltd 41.223.176.0/22 36981 >>UNKNOWN<< 41.223.188.0/24 22351 Intelsat 41.223.189.0/24 26452 Local Communications Networks 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 62.61.221.0/24 24974 Tachyon Europe BV - Wireless 63.140.213.0/24 22555 Universal Talkware Corporatio 63.143.251.0/24 22555 Universal Talkware Corporatio 64.31.32.0/19 11955 ServiceCo LLC - Road Runner 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 /8:19 /9:10 /10:22 /11:58 /12:168 /13:351 /14:607 /15:1164 /16:10513 /17:4752 /18:8211 /19:17006 /20:20404 /21:20177 /22:26229 /23:25863 /24:151711 /25:899 /26:1028 /27:559 /28:150 /29:8 /30:7 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2779 4266 bellsouth.net, inc. 4766 1401 1702 Korea Telecom (KIX) 17488 1283 1537 Hathway IP Over Cable Interne 1785 1177 1705 PaeTec Communications, Inc. 11492 1048 1122 Cable One 18566 1043 1062 Covad Communications 9583 984 1132 Sify Limited 2386 983 1267 AT&T Data Communications Serv 4323 961 1887 Time Warner Telecom 8452 918 994 TEDATA Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:13 8:207 12:2143 13:8 15:19 16:3 17:4 20:34 24:1096 32:51 34:2 38:575 40:97 41:1746 43:1 44:2 47:22 52:5 55:2 56:3 57:24 58:578 59:653 60:461 61:1079 62:1107 63:2041 64:3684 65:2415 66:3594 67:1619 68:806 69:2664 70:555 71:146 72:1676 73:2 74:1611 75:170 76:335 77:851 78:557 79:360 80:978 81:835 82:563 83:456 84:634 85:1035 86:400 87:676 88:353 89:1448 90:50 91:2377 92:353 93:1125 94:1244 95:1116 96:148 97:215 98:253 99:23 110:170 111:49 112:168 113:136 114:261 115:304 116:1159 117:538 118:338 119:708 120:147 121:777 122:1045 123:705 124:979 125:1389 128:218 129:238 130:127 131:400 132:74 133:9 134:185 135:39 136:224 137:162 138:164 139:78 140:442 141:119 142:391 143:351 144:365 145:48 146:386 147:154 148:520 149:235 150:178 151:193 152:145 153:145 154:2 155:274 156:165 157:301 158:117 159:344 160:284 161:153 162:271 163:162 164:479 165:501 166:456 167:359 168:664 169:174 170:479 171:41 172:10 173:306 174:233 178:1 186:97 187:100 188:102 189:445 190:2855 192:5803 193:4259 194:3312 195:2689 196:1094 198:3590 199:3353 200:5135 201:1311 202:7705 203:8256 204:3880 205:2154 206:2429 207:2712 208:3875 209:3391 210:2546 211:1127 212:1618 213:1652 214:73 215:24 216:4526 217:1318 218:396 219:443 220:1114 221:484 222:301 End of report
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