Orbit

Routing Table Report 04:00 +10GMT Wed 30 Apr, 2008

Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/

Analysis Summary ----------------

BGP routing table entries examined: 254626 Prefixes after maximum aggregation: 126987 Deaggregation factor: 2.01 Unique aggregates announced to Internet: 123479 Total ASes present in the Internet Routing Table: 28056 Prefixes per ASN: 9.08 Origin-only ASes present in the Internet Routing Table: 24444 Origin ASes announcing only one prefix: 11389 Transit ASes present in the Internet Routing Table: 3612 Transit-only ASes present in the Internet Routing Table: 80 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 18 Max AS path prepend of ASN (44859) 15 Prefixes from unregistered ASNs in the Routing Table: 25256 Unregistered ASNs in the Routing Table: 1885 Number of 32-bit ASNs allocated by the RIRs: 46 Prefixes from 32-bit ASNs in the Routing Table: 10 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 793 Number of addresses announced to Internet: 1863886624 Equivalent to 111 /8s, 24 /16s and 167 /24s Percentage of available address space announced: 50.3 Percentage of allocated address space announced: 61.7 Percentage of available address space allocated: 81.4 Percentage of address space in use by end-sites: 71.6 Total number of prefixes smaller than registry allocations: 122342

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

Prefixes being announced by APNIC Region ASes: 43017 Total APNIC prefixes after maximum aggregation: 13444 APNIC Deaggregation factor: 3.20 Prefixes being announced from the APNIC address blocks: 55402 Unique aggregates announced from the APNIC address blocks: 23569 APNIC Region origin ASes present in the Internet Routing Table: 1927 APNIC Prefixes per ASN: 28.75 APNIC Region origin ASes announcing only one prefix: 550 APNIC Region transit ASes present in the Internet Routing Table: 353 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 14 Number of APNIC addresses announced to Internet: 346621280 Equivalent to 20 /8s, 169 /16s and 5 /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, 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: 107792 Total ARIN prefixes after maximum aggregation: 59228 ARIN Deaggregation factor: 1.82 Prefixes being announced from the ARIN address blocks: 86567 Unique aggregates announced from the ARIN address blocks: 34288 ARIN Region origin ASes present in the Internet Routing Table: 11767 ARIN Prefixes per ASN: 7.36 ARIN Region origin ASes announcing only one prefix: 4601 ARIN Region transit ASes present in the Internet Routing Table: 1041 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 357736960 Equivalent to 21 /8s, 82 /16s and 162 /24s Percentage of available ARIN address space announced: 73.5

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: 54938 Total RIPE prefixes after maximum aggregation: 33584 RIPE Deaggregation factor: 1.64 Prefixes being announced from the RIPE address blocks: 50139 Unique aggregates announced from the RIPE address blocks: 33560 RIPE Region origin ASes present in the Internet Routing Table: 11268 RIPE Prefixes per ASN: 4.45 RIPE Region origin ASes announcing only one prefix: 5884 RIPE Region transit ASes present in the Internet Routing Table: 1722 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 355254016 Equivalent to 21 /8s, 44 /16s and 191 /24s Percentage of available RIPE address space announced: 81.4

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: 19823 Total LACNIC prefixes after maximum aggregation: 4980 LACNIC Deaggregation factor: 3.98 Prefixes being announced from the LACNIC address blocks: 18219 Unique aggregates announced from the LACNIC address blocks: 9845 LACNIC Region origin ASes present in the Internet Routing Table: 893 LACNIC Prefixes per ASN: 20.40 LACNIC Region origin ASes announcing only one prefix: 277 LACNIC Region transit ASes present in the Internet Routing Table: 154 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 50828032 Equivalent to 3 /8s, 7 /16s and 147 /24s Percentage of available LACNIC address space announced: 50.5

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: 3799 Total AfriNIC prefixes after maximum aggregation: 1207 AfriNIC Deaggregation factor: 3.15 Prefixes being announced from the AfriNIC address blocks: 4155 Unique aggregates announced from the AfriNIC address blocks: 1846 AfriNIC Region origin ASes present in the Internet Routing Table: 241 AfriNIC Prefixes per ASN: 17.24 AfriNIC Region origin ASes announcing only one prefix: 77 AfriNIC Region transit ASes present in the Internet Routing Table: 48 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 11382784 Equivalent to 0 /8s, 173 /16s and 176 /24s Percentage of available AfriNIC address space announced: 33.9

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 1638 387 91 Videsh Sanchar Nigam Ltd. Aut 9583 1176 140 16 Sify Limited 9498 1161 550 61 BHARTI BT INTERNET LTD. 17488 1059 70 77 Hathway IP Over Cable Interne 4134 857 12647 320 CHINANET-BACKBONE 4766 846 6006 345 Korea Telecom (KIX) 18101 680 149 54 Reliance Infocom Ltd Internet 9829 598 450 12 BSNL National Internet Backbo 1221 544 1918 418 Telstra Pty Ltd 4808 516 833 130 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 4323 1424 1029 375 Time Warner Telecom 7018 1405 5977 1001 AT&T WorldNet Services 2386 1398 642 864 AT&T Data Communications Serv 11492 1210 146 36 Cable One 7011 1095 318 624 Citizens Utilities 18566 1043 296 10 Covad Communications 1785 1014 511 106 AppliedTheory Corporation 6197 987 598 508 BellSouth Network Solutions, 174 969 6835 802 Cogent Communications 6478 934 222 99 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 407 1787 367 TDC Tele Danmark 9198 401 74 9 Kazakhtelecom Data Network Ad 8452 356 188 7 TEDATA 3301 339 1459 307 TeliaNet Sweden 3320 323 7044 266 Deutsche Telekom AG 8866 298 78 24 Bulgarian Telecommunication C 5462 292 666 26 Telewest Broadband 8551 282 269 37 Bezeq International 3215 277 2678 89 France Telecom Transpac 680 272 2047 262 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 1201 2432 222 UniNet S.A. de C.V. 11830 601 299 9 Instituto Costarricense de El 22047 562 270 14 VTR PUNTO NET S.A. 7303 455 222 60 Telecom Argentina Stet-France 16814 426 27 10 NSS, S.A. 11172 415 117 69 Servicios Alestra S.A de C.V 6471 414 85 46 ENTEL CHILE S.A. 10620 388 99 76 TVCABLE BOGOTA 14117 384 25 15 Telefonica del Sur S.A. 20299 311 36 31 NEWCOM AMERICAS

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 464 61 27 LINKdotNET AS number 3741 289 853 223 The Internet Solution 20858 217 34 3 EgyNet 2018 179 190 86 Tertiary Education Network 5713 150 558 120 Telkom SA Ltd 6713 143 135 11 Itissalat Al-MAGHRIB 33783 134 10 12 EEPAD TISP TELECOM & INTERNET 5536 121 8 16 Internet Egypt Network 29571 116 13 8 Ci Telecom Autonomous system 33776 99 6 7 Starcomms Nigeria Limited

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 2768 3020 115 bellsouth.net, inc. 23577 1642 34 701 Korea Telecom (ATM-MPLS) 4755 1638 387 91 Videsh Sanchar Nigam Ltd. Aut 4323 1424 1029 375 Time Warner Telecom 7018 1405 5977 1001 AT&T WorldNet Services 2386 1398 642 864 AT&T Data Communications Serv 11492 1210 146 36 Cable One 8151 1201 2432 222 UniNet S.A. de C.V. 9583 1176 140 16 Sify Limited 9498 1161 550 61 BHARTI BT INTERNET LTD.

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

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

ASN No of nets Net Savings Description 4755 1638 1547 Videsh Sanchar Nigam Ltd. Aut 11492 1210 1174 Cable One 9583 1176 1160 Sify Limited 9498 1161 1100 BHARTI BT INTERNET LTD. 4323 1424 1049 Time Warner Telecom 18566 1043 1033 Covad Communications 17488 1059 982 Hathway IP Over Cable Interne 8151 1201 979 UniNet S.A. de C.V. 17676 1016 951 Softbank BB Corp. 23577 1642 941 Korea Telecom (ATM-MPLS)

Complete listing at http://thyme.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global) -----------------------------------------

Bad AS Designation Network Transit AS Description 14780 UNALLOCATED 4.79.181.0/24 10310 Yahoo! 12180 UNALLOCATED 4.79.248.0/24 1239 Sprint 12180 UNALLOCATED 8.10.16.0/24 3549 Global Crossing 12180 UNALLOCATED 8.10.58.0/23 3549 Global Crossing 14779 UNALLOCATED 8.12.144.0/24 10310 Yahoo! 16927 UNALLOCATED 12.0.252.0/23 701 UUNET Technologies, 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

Complete listing at http://thyme.apnic.net/current/data-badAS

Advertised Unallocated Addresses --------------------------------

Network Origin AS Description 24.51.159.0/24 7843 Adelphia Corp. 24.54.224.0/19 20001 HoldCo LLC - Road Runner 24.75.160.0/19 7843 Adelphia Corp. 24.75.192.0/18 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

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 /8:19 /9:9 /10:16 /11:42 /12:139 /13:280 /14:506 /15:1000 /16:9867 /17:4358 /18:7291 /19:15375 /20:17773 /21:17158 /22:21606 /23:22688 /24:134187 /25:774 /26:918 /27:495 /28:107 /29:9 /30:1 /31:0 /32:8

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

ASN No of nets Total ann. Description 11492 1196 1210 Cable One 2386 1098 1398 AT&T Data Communications Serv 18566 1024 1043 Covad Communications 9583 1011 1176 Sify Limited 7011 978 1095 Citizens Utilities 4755 974 1638 Videsh Sanchar Nigam Ltd. Aut 6478 933 934 AT&T Worldnet Services 17488 871 1059 Hathway IP Over Cable Interne 6389 863 2768 bellsouth.net, inc. 9498 836 1161 BHARTI BT INTERNET LTD.

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

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

4:9 8:106 12:2027 13:1 15:20 16:3 17:6 18:13 20:35 24:1067 25:1 32:61 33:4 38:417 40:94 41:654 44:2 47:8 52:3 55:3 56:3 57:22 58:518 59:459 60:440 61:984 62:1097 63:1960 64:3407 65:2417 66:3633 67:1161 68:673 69:2178 70:599 71:125 72:1673 73:6 74:950 75:226 76:298 77:642 78:608 79:147 80:899 81:855 82:608 83:373 84:535 85:1003 86:403 87:647 88:344 89:1281 90:11 91:1217 92:289 93:356 96:25 97:14 98:144 99:3 116:624 117:306 118:124 119:373 120:13 121:525 122:731 123:320 124:841 125:1106 128:321 129:198 130:128 131:403 132:66 133:9 134:179 135:32 136:222 137:113 138:150 139:60 140:491 141:96 142:435 143:288 144:348 145:50 146:360 147:150 148:504 149:181 150:128 151:181 152:142 153:133 154:10 155:268 156:207 157:264 158:168 159:221 160:253 161:111 162:211 163:196 164:581 165:444 166:302 167:319 168:613 169:128 170:422 171:28 172:2 189:163 190:1829 192:5768 193:4110 194:3265 195:2429 196:1072 198:3746 199:3232 200:5624 201:1443 202:7565 203:7825 204:4003 205:2086 206:2396 207:2765 208:3274 209:3464 210:2535 211:1046 212:1397 213:1647 214:450 215:50 216:4337 217:1220 218:348 219:408 220:1068 221:484 222:292

End of report