Orbit

Routing Table Report 00:00 GMT Thu 06 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: 279669 Prefixes after maximum aggregation: 133115 Deaggregation factor: 2.10 Unique aggregates announced to Internet: 132990 Total ASes present in the Internet Routing Table: 29784 Prefixes per ASN: 9.39 Origin-only ASes present in the Internet Routing Table: 25780 Origin ASes announcing only one prefix: 12585 Transit ASes present in the Internet Routing Table: 4004 Transit-only ASes present in the Internet Routing Table: 95 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 25 Max AS path prepend of ASN (12026) 22 Prefixes from unregistered ASNs in the Routing Table: 571 Unregistered ASNs in the Routing Table: 207 Number of 32-bit ASNs allocated by the RIRs: 61 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: 204 Number of addresses announced to Internet: 1921335036 Equivalent to 114 /8s, 133 /16s and 62 /24s Percentage of available address space announced: 51.8 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: 138754

APNIC Region Analysis Summary -----------------------------

Prefixes being announced by APNIC Region ASes: 65826 Total APNIC prefixes after maximum aggregation: 23243 APNIC Deaggregation factor: 2.83 Prefixes being announced from the APNIC address blocks: 62783 Unique aggregates announced from the APNIC address blocks: 26502 APNIC Region origin ASes present in the Internet Routing Table: 3454 APNIC Prefixes per ASN: 18.18 APNIC Region origin ASes announcing only one prefix: 941 APNIC Region transit ASes present in the Internet Routing Table: 544 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 380536608 Equivalent to 22 /8s, 174 /16s and 135 /24s Percentage of available APNIC address space announced: 81.0

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: 124161 Total ARIN prefixes after maximum aggregation: 66557 ARIN Deaggregation factor: 1.87 Prefixes being announced from the ARIN address blocks: 92574 Unique aggregates announced from the ARIN address blocks: 35640 ARIN Region origin ASes present in the Internet Routing Table: 12593 ARIN Prefixes per ASN: 7.35 ARIN Region origin ASes announcing only one prefix: 4848 ARIN Region transit ASes present in the Internet Routing Table: 1265 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 25 Number of ARIN addresses announced to Internet: 369385217 Equivalent to 22 /8s, 4 /16s and 95 /24s Percentage of available ARIN address space announced: 75.9

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: 60953 Total RIPE prefixes after maximum aggregation: 36055 RIPE Deaggregation factor: 1.69 Prefixes being announced from the RIPE address blocks: 57068 Unique aggregates announced from the RIPE address blocks: 37077 RIPE Region origin ASes present in the Internet Routing Table: 12162 RIPE Prefixes per ASN: 4.69 RIPE Region origin ASes announcing only one prefix: 6384 RIPE Region transit ASes present in the Internet Routing Table: 1904 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 377714503 Equivalent to 22 /8s, 131 /16s and 119 /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: 24002 Total LACNIC prefixes after maximum aggregation: 5494 LACNIC Deaggregation factor: 4.37 Prefixes being announced from the LACNIC address blocks: 22081 Unique aggregates announced from the LACNIC address blocks: 11291 LACNIC Region origin ASes present in the Internet Routing Table: 1026 LACNIC Prefixes per ASN: 21.52 LACNIC Region origin ASes announcing only one prefix: 331 LACNIC Region transit ASes present in the Internet Routing Table: 166 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 57672206 Equivalent to 3 /8s, 112 /16s and 2 /24s Percentage of available LACNIC address space announced: 57.3

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: 4163 Total AfriNIC prefixes after maximum aggregation: 1334 AfriNIC Deaggregation factor: 3.12 Prefixes being announced from the AfriNIC address blocks: 4447 Unique aggregates announced from the AfriNIC address blocks: 2130 AfriNIC Region origin ASes present in the Internet Routing Table: 268 AfriNIC Prefixes per ASN: 16.59 AfriNIC Region origin ASes announcing only one prefix: 81 AfriNIC Region transit ASes present in the Internet Routing Table: 54 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 18 Number of AfriNIC addresses announced to Internet: 12919936 Equivalent to 0 /8s, 197 /16s and 36 /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 3351 3245 44 China Education and Research 4755 1503 575 115 Videsh Sanchar Nigam Ltd. Aut 17488 1410 99 102 Hathway IP Over Cable Interne 9583 1117 87 471 Sify Limited 4134 889 13808 360 CHINANET-BACKBONE 4766 853 6407 365 Korea Telecom (KIX) 18101 783 161 67 Reliance Infocom Ltd Internet 23577 776 34 694 Korea Telecom (ATM-MPLS) 4780 730 357 63 Digital United Inc. 9498 696 295 55 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 4353 3405 341 bellsouth.net, inc. 6298 2083 326 691 Cox Communicatons 1785 1695 717 154 AppliedTheory Corporation 20115 1657 1442 725 Charter Communications 6478 1648 363 191 AT&T Worldnet Services 2386 1590 700 899 AT&T Data Communications Serv 4323 1571 1082 376 Time Warner Telecom 7018 1410 5847 975 AT&T WorldNet Services 1803 1372 9 1078 SPRINT 11492 1211 152 11 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 434 1766 380 TDC Tele Danmark 30890 348 94 188 SC Kappa Invexim SRL 8866 347 111 23 Bulgarian Telecommunication C 3215 330 2772 98 France Telecom Transpac 3301 330 1428 301 TeliaNet Sweden 3320 325 7063 273 Deutsche Telekom AG 5462 324 794 27 Telewest Broadband 8452 324 188 11 TEDATA 25233 295 45 27 Awalnet 35141 291 27 6 Megalan Autonomous system of

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 1734 243 64 Telecom Argentina Stet-France 8151 1399 2833 219 UniNet S.A. de C.V. 11830 670 299 9 Instituto Costarricense de El 22047 567 270 14 VTR PUNTO NET S.A. 10620 545 126 59 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 407 118 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 44 LINKdotNET AS number 3741 269 856 226 The Internet Solution 20858 256 34 3 EgyNet 2018 237 215 139 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 33776 116 6 3 Starcomms Nigeria Limited 5713 113 539 62 Telkom SA Ltd 29571 113 13 9 Ci Telecom Autonomous system

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 4353 3405 341 bellsouth.net, inc. 4538 3351 3245 44 China Education and Research 6298 2083 326 691 Cox Communicatons 7303 1734 243 64 Telecom Argentina Stet-France 1785 1695 717 154 AppliedTheory Corporation 20115 1657 1442 725 Charter Communications 6478 1648 363 191 AT&T Worldnet Services 2386 1590 700 899 AT&T Data Communications Serv 4323 1571 1082 376 Time Warner Telecom 4755 1503 575 115 Videsh Sanchar Nigam Ltd. Aut

Complete listing at http://thyme.apnic.net/rviews/data-ASnet

Global Per AS Maximum Aggr summary ----------------------------------

ASN No of nets Net Savings Description 4538 3351 3307 China Education and Research 7303 1734 1670 Telecom Argentina Stet-France 1785 1695 1541 AppliedTheory Corporation 6478 1648 1457 AT&T Worldnet Services 6298 2083 1392 Cox Communicatons 4755 1503 1388 Videsh Sanchar Nigam Ltd. Aut 17488 1410 1308 Hathway IP Over Cable Interne 11492 1211 1200 Cable One 4323 1571 1195 Time Warner Telecom 8151 1399 1180 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 1239 Sprint 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 63.143.71.0/24 701 UUNET Technologies, Inc.

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 /16:10233 /17:4460 /18:7700 /19:16474 /20:19713 /21:19152 /22:24835 /23:25560 /24:145969 /25:645 /26:737 /27:380 /28:801 /29:401 /30:199 /31:0 /32:232

Advertised prefixes smaller than registry allocations -----------------------------------------------------

ASN No of nets Total ann. Description 6389 2849 4353 bellsouth.net, inc. 6298 2057 2083 Cox Communicatons 4538 1796 3351 China Education and Research 1803 1349 1372 SPRINT 2386 1271 1590 AT&T Data Communications Serv 7303 1262 1734 Telecom Argentina Stet-France 17488 1198 1410 Hathway IP Over Cable Interne 11492 1187 1211 Cable One 1785 1157 1695 AppliedTheory Corporation 6478 1105 1648 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 8:143 12:2196 13:2 15:21 16:3 17:5 20:35 24:1101 32:135 38:519 40:92 41:765 43:1 44:2 47:13 52:3 55:3 56:3 57:48 58:554 59:603 60:452 61:1060 62:1212 63:1944 64:3296 65:2421 66:3556 67:1303 68:810 69:2339 70:877 71:138 72:2084 73:7 74:1281 75:169 76:300 77:941 78:639 79:285 80:948 81:868 82:637 83:407 84:588 85:1070 86:511 87:752 88:353 89:1381 90:25 91:1687 92:296 93:983 94:308 95:4 96:84 97:125 98:384 99:14 113:38 114:125 115:146 116:1057 117:407 118:247 119:523 120:100 121:638 122:855 123:463 124:862 125:1274 128:352 129:217 130:135 131:421 132:72 133:9 134:187 135:31 136:224 137:101 138:146 139:89 140:427 141:111 142:391 143:303 144:326 145:52 146:374 147:141 148:526 149:300 150:128 151:209 152:151 153:144 154:10 155:272 156:174 157:302 158:169 159:302 160:273 161:140 162:255 163:194 164:517 165:508 166:365 167:342 168:633 169:155 170:484 171:40 172:10 173:127 187:14 188:1 189:349 190:2643 192:5847 193:4272 194:3398 195:2715 196:1021 198:3705 199:3316 200:5929 201:1649 202:8193 203:8073 204:3911 205:2181 206:2328 207:2731 208:3733 209:3445 210:3005 211:1293 212:1550 213:1677 214:70 215:25 216:4411 217:1272 218:415 219:519 220:1062 221:418 222:426

End of report