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Routing Table Report 00:00 GMT Sun 09 Nov, 2008
NB: RouteViews data includes iBGP information from some ASNs. Treat the information provided below appropriately.
Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/rviews/
Analysis Summary ----------------
BGP routing table entries examined: 278817 Prefixes after maximum aggregation: 132976 Deaggregation factor: 2.10 Unique aggregates announced to Internet: 133206 Total ASes present in the Internet Routing Table: 29786 Prefixes per ASN: 9.36 Origin-only ASes present in the Internet Routing Table: 25818 Origin ASes announcing only one prefix: 12603 Transit ASes present in the Internet Routing Table: 3968 Transit-only ASes present in the Internet Routing Table: 89 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 24 Max AS path prepend of ASN (34204) 18 Prefixes from unregistered ASNs in the Routing Table: 551 Unregistered ASNs in the Routing Table: 209 Number of 32-bit ASNs allocated by the RIRs: 62 Prefixes from 32-bit ASNs in the Routing Table: 9 Special use prefixes present in the Routing Table: 5 Prefixes being announced from unallocated address space: 195 Number of addresses announced to Internet: 1922156924 Equivalent to 114 /8s, 145 /16s and 201 /24s Percentage of available address space announced: 51.9 Percentage of allocated address space announced: 62.6 Percentage of available address space allocated: 82.8 Percentage of address space in use by end-sites: 74.2 Total number of prefixes smaller than registry allocations: 138042
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 65708 Total APNIC prefixes after maximum aggregation: 23272 APNIC Deaggregation factor: 2.82 Prefixes being announced from the APNIC address blocks: 62660 Unique aggregates announced from the APNIC address blocks: 26632 APNIC Region origin ASes present in the Internet Routing Table: 3450 APNIC Prefixes per ASN: 18.16 APNIC Region origin ASes announcing only one prefix: 935 APNIC Region transit ASes present in the Internet Routing Table: 549 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 23 Number of APNIC addresses announced to Internet: 380830496 Equivalent to 22 /8s, 179 /16s and 3 /24s Percentage of available APNIC address space announced: 81.1
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: 123980 Total ARIN prefixes after maximum aggregation: 66300 ARIN Deaggregation factor: 1.87 Prefixes being announced from the ARIN address blocks: 92520 Unique aggregates announced from the ARIN address blocks: 35672 ARIN Region origin ASes present in the Internet Routing Table: 12601 ARIN Prefixes per ASN: 7.34 ARIN Region origin ASes announcing only one prefix: 4862 ARIN Region transit ASes present in the Internet Routing Table: 1241 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 369628417 Equivalent to 22 /8s, 8 /16s and 21 /24s Percentage of available ARIN address space announced: 76.0
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 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: 60479 Total RIPE prefixes after maximum aggregation: 36058 RIPE Deaggregation factor: 1.68 Prefixes being announced from the RIPE address blocks: 56626 Unique aggregates announced from the RIPE address blocks: 37074 RIPE Region origin ASes present in the Internet Routing Table: 12160 RIPE Prefixes per ASN: 4.66 RIPE Region origin ASes announcing only one prefix: 6392 RIPE Region transit ASes present in the Internet Routing Table: 1892 Average RIPE Region AS path length visible: 5.3 Max RIPE Region AS path length visible: 24 Number of RIPE addresses announced to Internet: 377861575 Equivalent to 22 /8s, 133 /16s and 181 /24s Percentage of available RIPE address space announced: 86.6
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, 47104-49151 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: 23990 Total LACNIC prefixes after maximum aggregation: 5589 LACNIC Deaggregation factor: 4.29 Prefixes being announced from the LACNIC address blocks: 21992 Unique aggregates announced from the LACNIC address blocks: 11332 LACNIC Region origin ASes present in the Internet Routing Table: 1033 LACNIC Prefixes per ASN: 21.29 LACNIC Region origin ASes announcing only one prefix: 333 LACNIC Region transit ASes present in the Internet Routing Table: 168 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 58019342 Equivalent to 3 /8s, 117 /16s and 78 /24s Percentage of available LACNIC address space announced: 57.6
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: 4116 Total AfriNIC prefixes after maximum aggregation: 1325 AfriNIC Deaggregation factor: 3.11 Prefixes being announced from the AfriNIC address blocks: 4382 Unique aggregates announced from the AfriNIC address blocks: 2169 AfriNIC Region origin ASes present in the Internet Routing Table: 266 AfriNIC Prefixes per ASN: 16.47 AfriNIC Region origin ASes announcing only one prefix: 81 AfriNIC Region transit ASes present in the Internet Routing Table: 53 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 12912768 Equivalent to 0 /8s, 197 /16s and 8 /24s Percentage of available AfriNIC address space announced: 25.7
AfriNIC AS Blocks 36864-37887 & ERX transfers AfriNIC Address Blocks 41/8, 196/8, 197/8,
APNIC Region per AS prefix count summary ----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 4538 3353 3245 44 China Education and Research 17488 1409 99 102 Hathway IP Over Cable Interne 4755 1304 572 108 Videsh Sanchar Nigam Ltd. Aut 9583 1114 87 476 Sify Limited 4134 890 13776 360 CHINANET-BACKBONE 4766 855 6408 366 Korea Telecom (KIX) 18101 785 161 69 Reliance Infocom Ltd Internet 23577 774 34 692 Korea Telecom (ATM-MPLS) 4780 732 357 63 Digital United Inc. 9498 689 295 51 BHARTI BT INTERNET LTD.
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-APNIC
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 4356 3431 341 bellsouth.net, inc. 6298 2084 327 691 Cox Communicatons 1785 1693 717 152 AppliedTheory Corporation 20115 1660 1452 725 Charter Communications 6478 1653 364 191 AT&T Worldnet Services 2386 1588 686 909 AT&T Data Communications Serv 4323 1573 1082 376 Time Warner Telecom 7018 1407 5845 975 AT&T WorldNet Services 1803 1393 9 1094 SPRINT 11492 1210 149 16 Cable One
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-ARIN
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3292 435 1766 381 TDC Tele Danmark 30890 348 94 188 SC Kappa Invexim SRL 8866 347 111 23 Bulgarian Telecommunication C 3301 332 1429 303 TeliaNet Sweden 3215 331 2788 99 France Telecom Transpac 3320 325 7063 273 Deutsche Telekom AG 5462 324 794 27 Telewest Broadband 8452 324 188 11 TEDATA 25233 289 44 24 Awalnet 8551 286 270 37 Bezeq International
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-RIPE
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7303 1735 243 69 Telecom Argentina Stet-France 8151 1397 2848 220 UniNet S.A. de C.V. 11830 670 299 9 Instituto Costarricense de El 22047 566 270 14 VTR PUNTO NET S.A. 10620 548 126 60 TVCABLE BOGOTA 16735 426 92 10 Companhia de Telecomunicacoes 16814 426 27 10 NSS, S.A. 6471 420 85 49 ENTEL CHILE S.A. 11172 406 118 72 Servicios Alestra S.A de C.V 7738 373 730 27 Telecomunicacoes da Bahia S.A
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 24863 562 73 45 LINKdotNET AS number 3741 269 856 226 The Internet Solution 20858 256 34 3 EgyNet 2018 238 215 140 Tertiary Education Network 6713 144 135 11 Itissalat Al-MAGHRIB 33783 141 10 15 EEPAD TISP TELECOM & INTERNET 5536 120 8 17 Internet Egypt Network 5713 114 555 63 Telkom SA Ltd 33776 109 6 3 Starcomms Nigeria Limited 24835 97 46 8 RAYA Telecom - Egypt
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-AFRINIC
Global Per AS prefix count summary ----------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 4356 3431 341 bellsouth.net, inc. 4538 3353 3245 44 China Education and Research 6298 2084 327 691 Cox Communicatons 7303 1735 243 69 Telecom Argentina Stet-France 1785 1693 717 152 AppliedTheory Corporation 20115 1660 1452 725 Charter Communications 6478 1653 364 191 AT&T Worldnet Services 2386 1588 686 909 AT&T Data Communications Serv 4323 1573 1082 376 Time Warner Telecom 17488 1409 99 102 Hathway IP Over Cable Interne
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4538 3353 3309 China Education and Research 7303 1735 1666 Telecom Argentina Stet-France 1785 1693 1541 AppliedTheory Corporation 6478 1653 1462 AT&T Worldnet Services 6298 2084 1393 Cox Communicatons 17488 1409 1307 Hathway IP Over Cable Interne 4323 1573 1197 Time Warner Telecom 4755 1304 1196 Videsh Sanchar Nigam Ltd. Aut 11492 1210 1194 Cable One 8151 1397 1177 UniNet S.A. de C.V.
Complete listing at http://thyme.apnic.net/rviews/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 3549 Global Crossing 25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/rviews/data-badAS
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 10.29.246.47/32 286 KPNQwest Backbone AS 10.29.246.48/32 286 KPNQwest Backbone AS 10.29.248.65/32 286 KPNQwest Backbone AS 10.29.248.71/32 286 KPNQwest Backbone AS 192.168.192.0/21 7497 Computer Network Information
Complete listing at http://thyme.apnic.net/rviews/data-dsua
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 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
Complete listing at http://thyme.apnic.net/rviews/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 /10:18 /11:47 /12:153 /13:306 /14:545 /15:1082 /16:10232 /17:4480 /18:7701 /19:16473 /20:19707 /21:19133 /22:24754 /23:25459 /24:145309 /25:650 /26:724 /27:381 /28:800 /29:400 /30:188 /31:0 /32:248
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2850 4356 bellsouth.net, inc. 6298 2058 2084 Cox Communicatons 4538 1798 3353 China Education and Research 1803 1370 1393 SPRINT 2386 1269 1588 AT&T Data Communications Serv 7303 1269 1735 Telecom Argentina Stet-France 17488 1198 1409 Hathway IP Over Cable Interne 11492 1187 1210 Cable One 1785 1157 1693 AppliedTheory Corporation 6478 1105 1653 AT&T Worldnet Services
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:12 8:158 12:2195 13:2 15:21 16:3 17:5 20:36 24:1102 32:135 38:517 40:92 41:753 43:1 44:2 47:13 52:3 55:3 56:3 57:47 58:553 59:605 60:452 61:1059 62:1197 63:1934 64:3295 65:2413 66:3544 67:1306 68:812 69:2336 70:880 71:138 72:2088 73:7 74:1276 75:168 76:289 77:868 78:517 79:285 80:931 81:866 82:634 83:408 84:591 85:1035 86:509 87:720 88:345 89:1352 90:25 91:1665 92:291 93:976 94:339 95:34 96:85 97:129 98:386 99:15 113:40 114:125 115:145 116:1055 117:408 118:249 119:512 120:102 121:637 122:842 123:459 124:859 125:1270 128:353 129:217 130:136 131:407 132:72 133:9 134:186 135:31 136:224 137:102 138:145 139:90 140:426 141:111 142:391 143:292 144:301 145:52 146:373 147:141 148:602 149:299 150:128 151:208 152:150 153:143 154:10 155:274 156:174 157:303 158:168 159:299 160:273 161:140 162:247 163:136 164:516 165:510 166:363 167:341 168:631 169:155 170:481 171:40 172:10 173:131 174:1 187:18 188:1 189:356 190:2628 192:5839 193:4270 194:3388 195:2705 196:998 198:3717 199:3311 200:5904 201:1633 202:8182 203:8046 204:3912 205:2182 206:2313 207:2729 208:3730 209:3417 210:3007 211:1291 212:1551 213:1666 214:68 215:25 216:4375 217:1258 218:414 219:512 220:1063 221:418 222:426
End of report
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