Orbit

Routing Table Report 00:00 GMT Sat 22 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: 280797 Prefixes after maximum aggregation: 133234 Deaggregation factor: 2.11 Unique aggregates announced to Internet: 132647 Total ASes present in the Internet Routing Table: 29930 Prefixes per ASN: 9.38 Origin-only ASes present in the Internet Routing Table: 25962 Origin ASes announcing only one prefix: 12651 Transit ASes present in the Internet Routing Table: 3968 Transit-only ASes present in the Internet Routing Table: 92 Average AS path length visible in the Internet Routing Table: 4.0 Max AS path length visible: 21 Max AS path prepend of ASN (13791) 17 Prefixes from unregistered ASNs in the Routing Table: 536 Unregistered ASNs in the Routing Table: 200 Number of 32-bit ASNs allocated by the RIRs: 65 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: 201 Number of addresses announced to Internet: 1960774300 Equivalent to 116 /8s, 223 /16s and 10 /24s Percentage of available address space announced: 52.9 Percentage of allocated address space announced: 63.2 Percentage of available address space allocated: 83.7 Percentage of address space in use by end-sites: 74.4 Total number of prefixes smaller than registry allocations: 139521

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

Prefixes being announced by APNIC Region ASes: 66037 Total APNIC prefixes after maximum aggregation: 23234 APNIC Deaggregation factor: 2.84 Prefixes being announced from the APNIC address blocks: 62991 Unique aggregates announced from the APNIC address blocks: 26519 APNIC Region origin ASes present in the Internet Routing Table: 3470 APNIC Prefixes per ASN: 18.15 APNIC Region origin ASes announcing only one prefix: 944 APNIC Region transit ASes present in the Internet Routing Table: 539 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 385452832 Equivalent to 22 /8s, 249 /16s and 139 /24s Percentage of available APNIC address space announced: 76.6

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, 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: 124542 Total ARIN prefixes after maximum aggregation: 66319 ARIN Deaggregation factor: 1.88 Prefixes being announced from the ARIN address blocks: 92989 Unique aggregates announced from the ARIN address blocks: 34778 ARIN Region origin ASes present in the Internet Routing Table: 12639 ARIN Prefixes per ASN: 7.36 ARIN Region origin ASes announcing only one prefix: 4865 ARIN Region transit ASes present in the Internet Routing Table: 1251 Average ARIN Region AS path length visible: 3.6 Max ARIN Region AS path length visible: 20 Number of ARIN addresses announced to Internet: 401319425 Equivalent to 23 /8s, 235 /16s and 166 /24s Percentage of available ARIN address space announced: 82.5

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: 61246 Total RIPE prefixes after maximum aggregation: 36340 RIPE Deaggregation factor: 1.69 Prefixes being announced from the RIPE address blocks: 57228 Unique aggregates announced from the RIPE address blocks: 37332 RIPE Region origin ASes present in the Internet Routing Table: 12237 RIPE Prefixes per ASN: 4.68 RIPE Region origin ASes announcing only one prefix: 6429 RIPE Region transit ASes present in the Internet Routing Table: 1891 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 379585767 Equivalent to 22 /8s, 160 /16s and 4 /24s Percentage of available RIPE address space announced: 87.0

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, 47104-49151 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: 24175 Total LACNIC prefixes after maximum aggregation: 5548 LACNIC Deaggregation factor: 4.36 Prefixes being announced from the LACNIC address blocks: 22210 Unique aggregates announced from the LACNIC address blocks: 11400 LACNIC Region origin ASes present in the Internet Routing Table: 1035 LACNIC Prefixes per ASN: 21.46 LACNIC Region origin ASes announcing only one prefix: 331 LACNIC Region transit ASes present in the Internet Routing Table: 171 Average LACNIC Region AS path length visible: 4.5 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 58365710 Equivalent to 3 /8s, 122 /16s and 151 /24s Percentage of available LACNIC address space announced: 58.0

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: 4269 Total AfriNIC prefixes after maximum aggregation: 1362 AfriNIC Deaggregation factor: 3.13 Prefixes being announced from the AfriNIC address blocks: 4556 Unique aggregates announced from the AfriNIC address blocks: 2173 AfriNIC Region origin ASes present in the Internet Routing Table: 271 AfriNIC Prefixes per ASN: 16.81 AfriNIC Region origin ASes announcing only one prefix: 82 AfriNIC Region transit ASes present in the Internet Routing Table: 55 Average AfriNIC Region AS path length visible: 4.3 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 12954240 Equivalent to 0 /8s, 197 /16s and 170 /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 3357 3245 44 China Education and Research 17488 1425 100 114 Hathway IP Over Cable Interne 4755 1179 563 102 Videsh Sanchar Nigam Ltd. Aut 9583 1150 87 479 Sify Limited 4766 1026 6409 366 Korea Telecom (KIX) 4134 909 14768 369 CHINANET-BACKBONE 18101 788 167 31 Reliance Infocom Ltd Internet 23577 767 33 688 Korea Telecom (ATM-MPLS) 4780 735 357 63 Digital United Inc. 9498 690 295 50 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 4366 3431 338 bellsouth.net, inc. 6298 2156 333 634 Cox Communicatons 20115 1841 1461 735 Charter Communications 1785 1704 717 155 AppliedTheory Corporation 6478 1677 369 200 AT&T Worldnet Services 2386 1590 676 908 AT&T Data Communications Serv 4323 1587 1068 376 Time Warner Telecom 7018 1406 9925 967 AT&T WorldNet Services 1803 1342 9 1073 SPRINT 11492 1217 192 12 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 437 1766 382 TDC Tele Danmark 12479 370 578 6 Uni2 Autonomous System 30890 366 95 188 SC Kappa Invexim SRL 3301 338 1429 307 TeliaNet Sweden 29049 338 26 3 AzerSat LLC. 8866 337 111 23 Bulgarian Telecommunication C 5462 325 794 27 Telewest Broadband 3320 324 7062 272 Deutsche Telekom AG 8452 322 188 11 TEDATA 3215 316 2788 99 France Telecom Transpac

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 1754 244 73 Telecom Argentina Stet-France 8151 1398 2832 220 UniNet S.A. de C.V. 11830 671 299 9 Instituto Costarricense de El 10620 568 128 51 TVCABLE BOGOTA 22047 533 270 14 VTR PUNTO NET S.A. 16814 426 27 10 NSS, S.A. 6471 425 88 50 ENTEL CHILE S.A. 11172 402 118 72 Servicios Alestra S.A de C.V 16735 380 92 9 Companhia de Telecomunicacoes 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 71 46 LINKdotNET AS number 3741 270 857 227 The Internet Solution 20858 261 34 3 EgyNet 2018 239 215 139 Tertiary Education Network 29571 147 13 8 Ci Telecom Autonomous system 6713 144 135 11 Itissalat Al-MAGHRIB 33783 141 10 15 EEPAD TISP TELECOM & INTERNET 5713 121 555 70 Telkom SA Ltd 5536 120 8 17 Internet Egypt Network 33776 116 6 3 Starcomms Nigeria Limited

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 4366 3431 338 bellsouth.net, inc. 4538 3357 3245 44 China Education and Research 6298 2156 333 634 Cox Communicatons 20115 1841 1461 735 Charter Communications 7303 1754 244 73 Telecom Argentina Stet-France 1785 1704 717 155 AppliedTheory Corporation 6478 1677 369 200 AT&T Worldnet Services 2386 1590 676 908 AT&T Data Communications Serv 4323 1587 1068 376 Time Warner Telecom 17488 1425 100 114 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 3357 3313 China Education and Research 7303 1754 1681 Telecom Argentina Stet-France 1785 1704 1549 AppliedTheory Corporation 6298 2156 1522 Cox Communicatons 6478 1677 1477 AT&T Worldnet Services 17488 1425 1311 Hathway IP Over Cable Interne 4323 1587 1211 Time Warner Telecom 11492 1217 1205 Cable One 8151 1398 1178 UniNet S.A. de C.V. 20115 1841 1106 Charter Communications

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 41.187.0.0/16 20928 Noor Advanced Technologies AS 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 62.61.221.0/24 24974 Tachyon Europe BV - Wireless 62.212.32.0/19 34797 Egrisi JSC.

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 /8:19 /9:9 /10:19 /11:55 /12:161 /13:315 /14:554 /15:1089 /16:10254 /17:4513 /18:7731 /19:16559 /20:19828 /21:19327 /22:25119 /23:25536 /24:146360 /25:649 /26:725 /27:381 /28:804 /29:401 /30:139 /31:0 /32:250

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

ASN No of nets Total ann. Description 6389 2857 4366 bellsouth.net, inc. 6298 2130 2156 Cox Communicatons 4538 1800 3357 China Education and Research 1803 1320 1342 SPRINT 7303 1286 1754 Telecom Argentina Stet-France 2386 1272 1590 AT&T Data Communications Serv 17488 1215 1425 Hathway IP Over Cable Interne 11492 1192 1217 Cable One 1785 1163 1704 AppliedTheory Corporation 6478 1106 1677 AT&T Worldnet Services

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

Number of /24s announced per /8 block (Global) ----------------------------------------------

1:1 4:12 8:162 12:2196 13:2 15:21 16:3 17:5 20:36 24:1139 30:1 32:139 38:519 40:93 41:804 43:1 44:2 47:12 52:3 55:3 56:3 57:48 58:541 59:626 60:454 61:1069 62:1197 63:1939 64:3304 65:2422 66:3573 67:1334 68:850 69:2369 70:897 71:172 72:2107 73:7 74:1306 75:170 76:290 77:892 78:518 79:291 80:940 81:865 82:609 83:410 84:590 85:1055 86:507 87:671 88:351 89:1365 90:29 91:1687 92:307 93:1000 94:684 95:28 96:90 97:137 98:394 99:15 100:1 113:39 114:134 115:155 116:1084 117:412 118:307 119:552 120:107 121:673 122:823 123:465 124:840 125:1234 128:359 129:219 130:135 131:407 132:72 133:9 134:188 135:31 136:223 137:118 138:144 139:92 140:431 141:111 142:393 143:313 144:301 145:53 146:373 147:144 148:607 149:290 150:142 151:210 152:140 153:138 154:10 155:277 156:175 157:302 158:168 159:297 160:273 161:132 162:250 163:136 164:516 165:512 166:362 167:339 168:645 169:155 170:483 171:40 172:10 173:140 174:5 187:18 188:1 189:371 190:2668 192:5832 193:4237 194:3394 195:2702 196:1025 198:3717 199:3286 200:5872 201:1616 202:8125 203:8069 204:3922 205:2172 206:2305 207:2728 208:3747 209:3401 210:3039 211:1322 212:1561 213:1687 214:69 215:25 216:4380 217:1243 218:416 219:499 220:1080 221:436 222:432

End of report