Orbit

Routing Table Report 00:00 GMT Sat 23 Aug, 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: 273713 Prefixes after maximum aggregation: 131121 Deaggregation factor: 2.09 Unique aggregates announced to Internet: 129430 Total ASes present in the Internet Routing Table: 29080 Prefixes per ASN: 9.41 Origin-only ASes present in the Internet Routing Table: 25194 Origin ASes announcing only one prefix: 12235 Transit ASes present in the Internet Routing Table: 3886 Transit-only ASes present in the Internet Routing Table: 95 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 29 Max AS path prepend of ASN (17957) 20 Prefixes from unregistered ASNs in the Routing Table: 587 Unregistered ASNs in the Routing Table: 224 Number of 32-bit ASNs allocated by the RIRs: 58 Prefixes from 32-bit ASNs in the Routing Table: 7 Special use prefixes present in the Routing Table: 6 Prefixes being announced from unallocated address space: 780 Number of addresses announced to Internet: 1913155580 Equivalent to 114 /8s, 8 /16s and 111 /24s Percentage of available address space announced: 51.6 Percentage of allocated address space announced: 62.7 Percentage of available address space allocated: 82.3 Percentage of address space in use by end-sites: 73.2 Total number of prefixes smaller than registry allocations: 135640

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

Prefixes being announced by APNIC Region ASes: 64209 Total APNIC prefixes after maximum aggregation: 22644 APNIC Deaggregation factor: 2.84 Prefixes being announced from the APNIC address blocks: 61279 Unique aggregates announced from the APNIC address blocks: 25816 APNIC Region origin ASes present in the Internet Routing Table: 3346 APNIC Prefixes per ASN: 18.31 APNIC Region origin ASes announcing only one prefix: 893 APNIC Region transit ASes present in the Internet Routing Table: 534 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 24 Number of APNIC addresses announced to Internet: 373668256 Equivalent to 22 /8s, 69 /16s and 185 /24s Percentage of available APNIC address space announced: 79.5

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: 123178 Total ARIN prefixes after maximum aggregation: 66526 ARIN Deaggregation factor: 1.85 Prefixes being announced from the ARIN address blocks: 91631 Unique aggregates announced from the ARIN address blocks: 35045 ARIN Region origin ASes present in the Internet Routing Table: 12402 ARIN Prefixes per ASN: 7.39 ARIN Region origin ASes announcing only one prefix: 4752 ARIN Region transit ASes present in the Internet Routing Table: 1237 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 20 Number of ARIN addresses announced to Internet: 362512129 Equivalent to 21 /8s, 155 /16s and 127 /24s Percentage of available ARIN address space announced: 74.5

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: 58364 Total RIPE prefixes after maximum aggregation: 34980 RIPE Deaggregation factor: 1.67 Prefixes being announced from the RIPE address blocks: 53741 Unique aggregates announced from the RIPE address blocks: 35315 RIPE Region origin ASes present in the Internet Routing Table: 11785 RIPE Prefixes per ASN: 4.56 RIPE Region origin ASes announcing only one prefix: 6187 RIPE Region transit ASes present in the Internet Routing Table: 1829 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 29 Number of RIPE addresses announced to Internet: 369583936 Equivalent to 22 /8s, 7 /16s and 103 /24s Percentage of available RIPE address space announced: 84.7

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: 23361 Total LACNIC prefixes after maximum aggregation: 5253 LACNIC Deaggregation factor: 4.45 Prefixes being announced from the LACNIC address blocks: 21632 Unique aggregates announced from the LACNIC address blocks: 10732 LACNIC Region origin ASes present in the Internet Routing Table: 988 LACNIC Prefixes per ASN: 21.89 LACNIC Region origin ASes announcing only one prefix: 321 LACNIC Region transit ASes present in the Internet Routing Table: 167 Average LACNIC Region AS path length visible: 5.5 Max LACNIC Region AS path length visible: 22 Number of LACNIC addresses announced to Internet: 54536468 Equivalent to 3 /8s, 64 /16s and 41 /24s Percentage of available LACNIC address space announced: 54.2

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: 4014 Total AfriNIC prefixes after maximum aggregation: 1238 AfriNIC Deaggregation factor: 3.24 Prefixes being announced from the AfriNIC address blocks: 4366 Unique aggregates announced from the AfriNIC address blocks: 1931 AfriNIC Region origin ASes present in the Internet Routing Table: 253 AfriNIC Prefixes per ASN: 17.26 AfriNIC Region origin ASes announcing only one prefix: 82 AfriNIC Region transit ASes present in the Internet Routing Table: 50 Average AfriNIC Region AS path length visible: 4.3 Max AfriNIC Region AS path length visible: 18 Number of AfriNIC addresses announced to Internet: 12620544 Equivalent to 0 /8s, 192 /16s and 147 /24s Percentage of available AfriNIC address space announced: 37.6

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 4538 3300 3214 44 China Education and Research 4755 1708 578 91 Videsh Sanchar Nigam Ltd. Aut 17488 1334 88 101 Hathway IP Over Cable Interne 9583 1175 93 499 Sify Limited 4134 849 13523 339 CHINANET-BACKBONE 4766 839 6407 356 Korea Telecom (KIX) 23577 826 33 731 Korea Telecom (ATM-MPLS) 4780 707 353 61 Digital United Inc. 18101 694 167 33 Reliance Infocom Ltd Internet 9498 677 291 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 3201 3358 207 bellsouth.net, inc. 6298 1981 319 726 Cox Communicatons 1785 1649 710 156 AppliedTheory Corporation 2386 1506 692 896 AT&T Data Communications Serv 4323 1496 1073 376 Time Warner Telecom 3549 1455 539 212 Global Crossing 7018 1417 9889 982 AT&T WorldNet Services 1803 1263 7 1000 SPRINT 11492 1214 151 22 Cable One 6478 1114 237 174 AT&T Worldnet Services

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 417 1776 372 TDC Tele Danmark 3215 396 2756 106 France Telecom Transpac 8452 358 188 11 TEDATA 3301 333 1444 304 TeliaNet Sweden 3320 322 7047 270 Deutsche Telekom AG 8866 316 77 21 Bulgarian Telecommunication C 5462 306 666 27 Telewest Broadband 8551 288 270 38 Bezeq International 1257 279 1131 204 SWIPnet Swedish IP Network 680 275 2047 265 DFN-IP service G-WiN

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 1693 235 68 Telecom Argentina Stet-France 8151 1522 2592 227 UniNet S.A. de C.V. 8167 667 593 43 TELESC - Telecomunicacoes de 11830 664 299 9 Instituto Costarricense de El 22047 563 270 14 VTR PUNTO NET S.A. 16814 426 27 10 NSS, S.A. 6471 420 85 48 ENTEL CHILE S.A. 10620 415 102 71 TVCABLE BOGOTA 16735 413 92 12 Companhia de Telecomunicacoes 11172 408 118 71 Servicios Alestra S.A de C.V

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 496 64 28 LINKdotNET AS number 20858 402 34 3 EgyNet 3741 266 855 224 The Internet Solution 2018 223 213 131 Tertiary Education Network 6713 144 135 11 Itissalat Al-MAGHRIB 33783 135 10 13 EEPAD TISP TELECOM & INTERNET 5536 120 8 17 Internet Egypt Network 5713 118 539 70 Telkom SA Ltd 33776 115 6 3 Starcomms Nigeria Limited 29571 107 13 8 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 4538 3300 3214 44 China Education and Research 6389 3201 3358 207 bellsouth.net, inc. 6298 1981 319 726 Cox Communicatons 4755 1708 578 91 Videsh Sanchar Nigam Ltd. Aut 7303 1693 235 68 Telecom Argentina Stet-France 1785 1649 710 156 AppliedTheory Corporation 8151 1522 2592 227 UniNet S.A. de C.V. 2386 1506 692 896 AT&T Data Communications Serv 4323 1496 1073 376 Time Warner Telecom 3549 1455 539 212 Global Crossing

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

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

ASN No of nets Net Savings Description 6389 3201 2994 bellsouth.net, inc. 7303 1693 1625 Telecom Argentina Stet-France 4755 1708 1617 Videsh Sanchar Nigam Ltd. Aut 1785 1649 1493 AppliedTheory Corporation 8151 1522 1295 UniNet S.A. de C.V. 6298 1981 1255 Cox Communicatons 3549 1455 1243 Global Crossing 17488 1334 1233 Hathway IP Over Cable Interne 11492 1214 1192 Cable One 4323 1496 1120 Time Warner Telecom

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 22492 UNALLOCATED 12.2.46.0/24 1239 Sprint 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/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 10.29.246.49/32 286 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 24.75.160.0/19 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. 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 /8:19 /9:9 /10:17 /11:46 /12:147 /13:298 /14:538 /15:1068 /16:10134 /17:4425 /18:7642 /19:16025 /20:19067 /21:18453 /22:23872 /23:24728 /24:142825 /25:865 /26:1119 /27:386 /28:738 /29:842 /30:225 /31:0 /32:225

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

ASN No of nets Total ann. Description 6389 2038 3201 bellsouth.net, inc. 6298 1954 1981 Cox Communicatons 4538 1759 3300 China Education and Research 1803 1241 1263 SPRINT 7303 1197 1693 Telecom Argentina Stet-France 11492 1195 1214 Cable One 2386 1184 1506 AT&T Data Communications Serv 17488 1142 1334 Hathway IP Over Cable Interne 1785 1117 1649 AppliedTheory Corporation 3549 1091 1455 Global Crossing

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

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

4:8 8:135 12:2142 13:2 14:1 15:22 16:3 17:5 18:13 20:37 24:1081 32:197 38:488 40:92 41:696 43:1 44:2 47:12 50:1 52:3 55:3 56:3 57:47 58:562 59:584 60:453 61:995 62:1254 63:1980 64:3414 65:2355 66:3457 67:1225 68:778 69:2295 70:858 71:135 72:2011 73:7 74:1115 75:166 76:324 77:766 78:820 79:228 80:976 81:875 82:593 83:384 84:575 85:979 86:402 87:729 88:340 89:1320 90:40 91:1423 92:255 93:836 94:75 96:57 97:60 98:312 99:3 114:96 115:33 116:992 117:351 118:200 119:478 120:76 121:603 122:822 123:384 124:844 125:1238 128:355 129:205 130:134 131:409 132:70 133:9 134:188 135:33 136:223 137:94 138:141 139:100 140:502 141:103 142:406 143:312 144:397 145:51 146:381 147:155 148:513 149:202 150:129 151:183 152:147 153:143 154:10 155:280 156:171 157:289 158:162 159:251 160:271 161:131 162:266 163:156 164:518 165:462 166:380 167:330 168:626 169:141 170:443 171:33 172:10 173:16 188:1 189:535 190:2309 192:5814 193:4234 194:3291 195:2625 196:1025 198:3733 199:3313 200:5934 201:1693 202:8204 203:8071 204:3959 205:2156 206:2447 207:2771 208:3654 209:3406 210:2989 211:1243 212:1446 213:1635 214:180 215:50 216:4357 217:1215 218:403 219:517 220:1065 221:451 222:441

End of report