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[routing-wg]Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Sep 5 20:13:19 CEST 2008
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 06 Sep, 2008 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 267551 Prefixes after maximum aggregation: 129558 Deaggregation factor: 2.07 Unique aggregates announced to Internet: 130250 Total ASes present in the Internet Routing Table: 29147 Prefixes per ASN: 9.18 Origin-only ASes present in the Internet Routing Table: 25360 Origin ASes announcing only one prefix: 12310 Transit ASes present in the Internet Routing Table: 3787 Transit-only ASes present in the Internet Routing Table: 83 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 26 Max AS path prepend of ASN ( 3816) 15 Prefixes from unregistered ASNs in the Routing Table: 568 Unregistered ASNs in the Routing Table: 211 Number of 32-bit ASNs allocated by the RIRs: 59 Prefixes from 32-bit ASNs in the Routing Table: 8 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 761 Number of addresses announced to Internet: 1897392032 Equivalent to 113 /8s, 23 /16s and 231 /24s Percentage of available address space announced: 51.2 Percentage of allocated address space announced: 62.2 Percentage of available address space allocated: 82.3 Percentage of address space in use by end-sites: 73.4 Total number of prefixes smaller than registry allocations: 131274 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 61606 Total APNIC prefixes after maximum aggregation: 22776 APNIC Deaggregation factor: 2.70 Prefixes being announced from the APNIC address blocks: 58521 Unique aggregates announced from the APNIC address blocks: 26310 APNIC Region origin ASes present in the Internet Routing Table: 3366 APNIC Prefixes per ASN: 17.39 APNIC Region origin ASes announcing only one prefix: 900 APNIC Region transit ASes present in the Internet Routing Table: 526 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 375010592 Equivalent to 22 /8s, 90 /16s and 53 /24s Percentage of available APNIC address space announced: 79.8 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, 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, 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: 122144 Total ARIN prefixes after maximum aggregation: 64686 ARIN Deaggregation factor: 1.89 Prefixes being announced from the ARIN address blocks: 91338 Unique aggregates announced from the ARIN address blocks: 35015 ARIN Region origin ASes present in the Internet Routing Table: 12424 ARIN Prefixes per ASN: 7.35 ARIN Region origin ASes announcing only one prefix: 4790 ARIN Region transit ASes present in the Internet Routing Table: 1186 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 360988896 Equivalent to 21 /8s, 132 /16s and 64 /24s Percentage of available ARIN address space announced: 74.2 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 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, 173/8, 174/8, 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: 57792 Total RIPE prefixes after maximum aggregation: 35026 RIPE Deaggregation factor: 1.65 Prefixes being announced from the RIPE address blocks: 52942 Unique aggregates announced from the RIPE address blocks: 35549 RIPE Region origin ASes present in the Internet Routing Table: 11818 RIPE Prefixes per ASN: 4.48 RIPE Region origin ASes announcing only one prefix: 6203 RIPE Region transit ASes present in the Internet Routing Table: 1806 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 371067328 Equivalent to 22 /8s, 30 /16s and 9 /24s Percentage of available RIPE address space announced: 85.1 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, 47104-48127 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, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 21370 Total LACNIC prefixes after maximum aggregation: 5344 LACNIC Deaggregation factor: 4.00 Prefixes being announced from the LACNIC address blocks: 19602 Unique aggregates announced from the LACNIC address blocks: 10867 LACNIC Region origin ASes present in the Internet Routing Table: 992 LACNIC Prefixes per ASN: 19.76 LACNIC Region origin ASes announcing only one prefix: 327 LACNIC Region transit ASes present in the Internet Routing Table: 166 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 17 Number of LACNIC addresses announced to Internet: 55077376 Equivalent to 3 /8s, 72 /16s and 106 /24s Percentage of available LACNIC address space announced: 54.7 LACNIC AS Blocks 26592-26623, 27648-28671, 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: 4072 Total AfriNIC prefixes after maximum aggregation: 1255 AfriNIC Deaggregation factor: 3.24 Prefixes being announced from the AfriNIC address blocks: 4387 Unique aggregates announced from the AfriNIC address blocks: 1967 AfriNIC Region origin ASes present in the Internet Routing Table: 258 AfriNIC Prefixes per ASN: 17.00 AfriNIC Region origin ASes announcing only one prefix: 90 AfriNIC Region transit ASes present in the Internet Routing Table: 55 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 12672768 Equivalent to 0 /8s, 193 /16s and 95 /24s Percentage of available AfriNIC address space announced: 37.8 AfriNIC AS Blocks 36864-37887 & ERX transfers AfriNIC Address Blocks 41/8, 196/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4755 1715 538 181 Videsh Sanchar Nigam Ltd. Aut 17488 1372 90 102 Hathway IP Over Cable Interne 9583 1147 89 495 Sify Limited 4766 873 6407 357 Korea Telecom (KIX) 4134 841 13651 345 CHINANET-BACKBONE 23577 820 35 695 Korea Telecom (ATM-MPLS) 18101 715 167 29 Reliance Infocom Ltd Internet 4780 714 353 61 Digital United Inc. 9498 677 291 52 BHARTI BT INTERNET LTD. 4808 629 1156 138 CNCGROUP IP network: China169 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 4292 3416 337 bellsouth.net, inc. 209 2904 3873 618 Qwest 6298 1973 315 759 Cox Communicatons 1785 1651 710 156 AppliedTheory Corporation 20115 1568 1260 703 Charter Communications 2386 1560 691 899 AT&T Data Communications Serv 4323 1506 1073 375 Time Warner Telecom 7018 1399 5782 975 AT&T WorldNet Services 11492 1211 151 18 Cable One 6478 1140 239 181 AT&T Worldnet Services 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 3292 416 1776 373 TDC Tele Danmark 3301 334 1444 305 TeliaNet Sweden 8452 328 188 11 TEDATA 3215 327 2756 106 France Telecom Transpac 3320 326 7063 274 Deutsche Telekom AG 30890 322 87 176 SC Kappa Invexim SRL 8866 316 77 21 Bulgarian Telecommunication C 5462 296 794 27 Telewest Broadband 8551 287 270 37 Bezeq International 680 275 2047 265 DFN-IP service G-WiN 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 1594 2608 228 UniNet S.A. de C.V. 11830 664 299 9 Instituto Costarricense de El 22047 564 270 14 VTR PUNTO NET S.A. 7303 485 239 67 Telecom Argentina Stet-France 16814 426 27 10 NSS, S.A. 10620 422 103 62 TVCABLE BOGOTA 6471 421 85 48 ENTEL CHILE S.A. 11172 408 118 71 Servicios Alestra S.A de C.V 14117 345 23 9 Telefonica del Sur S.A. 28573 337 441 29 NET Servicos de Comunicao S.A 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 24863 515 65 36 LINKdotNET AS number 20858 402 34 3 EgyNet 3741 265 855 223 The Internet Solution 2018 233 214 138 Tertiary Education Network 6713 143 135 11 Itissalat Al-MAGHRIB 33783 137 10 13 EEPAD TISP TELECOM & INTERNET 5536 120 8 17 Internet Egypt Network 33776 119 6 3 Starcomms Nigeria Limited 5713 118 555 68 Telkom SA Ltd 29571 107 13 8 Ci Telecom Autonomous system 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 4292 3416 337 bellsouth.net, inc. 209 2904 3873 618 Qwest 6298 1973 315 759 Cox Communicatons 4755 1715 538 181 Videsh Sanchar Nigam Ltd. Aut 1785 1651 710 156 AppliedTheory Corporation 8151 1594 2608 228 UniNet S.A. de C.V. 20115 1568 1260 703 Charter Communications 2386 1560 691 899 AT&T Data Communications Serv 4323 1506 1073 375 Time Warner Telecom 7018 1399 5782 975 AT&T WorldNet Services Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 209 2904 2286 Qwest 4755 1715 1534 Videsh Sanchar Nigam Ltd. Aut 1785 1651 1495 AppliedTheory Corporation 8151 1594 1366 UniNet S.A. de C.V. 17488 1372 1270 Hathway IP Over Cable Interne 6298 1973 1214 Cox Communicatons 11492 1211 1193 Cable One 4323 1506 1131 Time Warner Telecom 18566 1048 1038 Covad Communications 6478 1140 959 AT&T Worldnet Services 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 22492 UNALLOCATED 12.2.46.0/24 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 13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications 13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic 13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications 26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic Complete listing at http://thyme.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 24.75.116.0/22 10796 ServiceCo LLC - Road Runner 24.75.160.0/19 7843 Adelphia Corp. 24.142.40.0/21 7018 AT&T WorldNet Services 24.142.160.0/19 7018 AT&T WorldNet Services 24.246.0.0/17 7018 AT&T WorldNet Services 24.246.128.0/18 7018 AT&T WorldNet Services 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 63.140.213.0/24 22555 Universal Talkware Corporatio 63.143.71.0/24 701 UUNET Technologies, Inc. 63.143.115.0/24 701 UUNET Technologies, Inc. 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 /8:18 /9:9 /10:17 /11:45 /12:146 /13:293 /14:527 /15:1060 /16:10060 /17:4380 /18:7636 /19:16082 /20:18794 /21:18490 /22:23203 /23:24269 /24:139965 /25:772 /26:940 /27:739 /28:89 /29:9 /30:1 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2851 4292 bellsouth.net, inc. 6298 1948 1973 Cox Communicatons 209 1671 2904 Qwest 2386 1238 1560 AT&T Data Communications Serv 11492 1192 1211 Cable One 17488 1180 1372 Hathway IP Over Cable Interne 1785 1121 1651 AppliedTheory Corporation 4755 1050 1715 Videsh Sanchar Nigam Ltd. Aut 6478 1033 1140 AT&T Worldnet Services 18566 1029 1048 Covad Communications Complete listing at http://thyme.apnic.net/current/data/sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:8 8:137 12:2147 13:2 15:22 16:3 17:5 18:13 20:35 24:1087 32:59 38:490 40:92 41:721 43:1 44:2 47:12 52:3 55:3 56:3 57:26 58:526 59:518 60:453 61:961 62:1223 63:2046 64:3210 65:2358 66:3458 67:1230 68:774 69:2297 70:845 71:169 72:2028 73:6 74:1135 75:170 76:274 77:791 78:799 79:318 80:949 81:833 82:573 83:369 84:574 85:972 86:399 87:714 88:337 89:1325 90:20 91:1446 92:254 93:817 94:132 96:63 97:68 98:323 99:7 114:96 115:42 116:1018 117:355 118:237 119:483 120:84 121:587 122:837 123:400 124:853 125:1193 128:356 129:201 130:134 131:410 132:70 133:9 134:178 135:34 136:223 137:93 138:141 139:93 140:508 141:102 142:407 143:289 144:362 145:51 146:371 147:157 148:514 149:206 150:128 151:181 152:145 153:136 154:10 155:284 156:175 157:297 158:163 159:301 160:273 161:139 162:254 163:155 164:516 165:497 166:367 167:331 168:629 169:143 170:431 171:33 172:10 173:33 188:1 189:593 190:2099 192:5791 193:4142 194:3250 195:2579 196:995 198:3735 199:3307 200:5588 201:1525 202:7681 203:8069 204:3935 205:2144 206:2350 207:2738 208:3536 209:3425 210:2602 211:1089 212:1420 213:1621 214:178 215:50 216:4365 217:1212 218:347 219:436 220:1061 221:426 222:315 End of report
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