Orbit

Routing Table Report 04:00 +10GMT Sun 27 Apr, 2008

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

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

BGP routing table entries examined: 253950 Prefixes after maximum aggregation: 127023 Deaggregation factor: 2.00 Unique aggregates announced to Internet: 123696 Total ASes present in the Internet Routing Table: 28034 Prefixes per ASN: 9.06 Origin-only ASes present in the Internet Routing Table: 24423 Origin ASes announcing only one prefix: 11374 Transit ASes present in the Internet Routing Table: 3611 Transit-only ASes present in the Internet Routing Table: 79 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 19 Max AS path prepend of ASN (39375) 13 Prefixes from unregistered ASNs in the Routing Table: 25173 Unregistered ASNs in the Routing Table: 1880 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: 787 Number of addresses announced to Internet: 1864884512 Equivalent to 111 /8s, 39 /16s and 225 /24s Percentage of available address space announced: 50.3 Percentage of allocated address space announced: 61.8 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: 121947

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

Prefixes being announced by APNIC Region ASes: 42892 Total APNIC prefixes after maximum aggregation: 13634 APNIC Deaggregation factor: 3.15 Prefixes being announced from the APNIC address blocks: 55205 Unique aggregates announced from the APNIC address blocks: 23989 APNIC Region origin ASes present in the Internet Routing Table: 1929 APNIC Prefixes per ASN: 28.62 APNIC Region origin ASes announcing only one prefix: 551 APNIC Region transit ASes present in the Internet Routing Table: 350 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 14 Number of APNIC addresses announced to Internet: 346604128 Equivalent to 20 /8s, 168 /16s and 194 /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: 107622 Total ARIN prefixes after maximum aggregation: 59193 ARIN Deaggregation factor: 1.82 Prefixes being announced from the ARIN address blocks: 86458 Unique aggregates announced from the ARIN address blocks: 34203 ARIN Region origin ASes present in the Internet Routing Table: 11758 ARIN Prefixes per ASN: 7.35 ARIN Region origin ASes announcing only one prefix: 4583 ARIN Region transit ASes present in the Internet Routing Table: 1046 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 358950400 Equivalent to 21 /8s, 101 /16s and 38 /24s Percentage of available ARIN address space announced: 73.8

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: 54745 Total RIPE prefixes after maximum aggregation: 33530 RIPE Deaggregation factor: 1.63 Prefixes being announced from the RIPE address blocks: 49963 Unique aggregates announced from the RIPE address blocks: 33489 RIPE Region origin ASes present in the Internet Routing Table: 11259 RIPE Prefixes per ASN: 4.44 RIPE Region origin ASes announcing only one prefix: 5883 RIPE Region transit ASes present in the Internet Routing Table: 1721 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 355118080 Equivalent to 21 /8s, 42 /16s and 172 /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: 19721 Total LACNIC prefixes after maximum aggregation: 4944 LACNIC Deaggregation factor: 3.99 Prefixes being announced from the LACNIC address blocks: 18123 Unique aggregates announced from the LACNIC address blocks: 9798 LACNIC Region origin ASes present in the Internet Routing Table: 893 LACNIC Prefixes per ASN: 20.29 LACNIC Region origin ASes announcing only one prefix: 277 LACNIC Region transit ASes present in the Internet Routing Table: 155 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 50786816 Equivalent to 3 /8s, 6 /16s and 242 /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: 3796 Total AfriNIC prefixes after maximum aggregation: 1205 AfriNIC Deaggregation factor: 3.15 Prefixes being announced from the AfriNIC address blocks: 4150 Unique aggregates announced from the AfriNIC address blocks: 1844 AfriNIC Region origin ASes present in the Internet Routing Table: 242 AfriNIC Prefixes per ASN: 17.15 AfriNIC Region origin ASes announcing only one prefix: 80 AfriNIC Region transit ASes present in the Internet Routing Table: 46 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 11364096 Equivalent to 0 /8s, 173 /16s and 103 /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 1634 387 89 Videsh Sanchar Nigam Ltd. Aut 9583 1162 129 195 Sify Limited 9498 1159 550 62 BHARTI BT INTERNET LTD. 17488 1059 70 77 Hathway IP Over Cable Interne 4134 858 12649 321 CHINANET-BACKBONE 4766 849 6006 345 Korea Telecom (KIX) 18101 680 149 54 Reliance Infocom Ltd Internet 9829 598 450 12 BSNL National Internet Backbo 1221 545 1919 419 Telstra Pty Ltd 4808 519 837 132 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 1393 642 863 AT&T Data Communications Serv 11492 1214 146 37 Cable One 7011 1097 319 624 Citizens Utilities 18566 1043 296 10 Covad Communications 1785 1012 511 106 AppliedTheory Corporation 6197 987 598 508 BellSouth Network Solutions, 174 968 6835 801 Cogent Communications 22773 933 2394 62 Cox Communications, Inc.

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 408 1787 368 TDC Tele Danmark 8452 356 188 7 TEDATA 3301 340 1459 308 TeliaNet Sweden 3320 323 7044 266 Deutsche Telekom AG 9198 305 74 9 Kazakhtelecom Data Network Ad 8866 297 78 24 Bulgarian Telecommunication C 5462 292 666 26 Telewest Broadband 8551 282 269 37 Bezeq International 3215 278 2679 89 France Telecom Transpac 6746 267 128 244 Dynamic Network Technologies,

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 1199 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 453 222 59 Telecom Argentina Stet-France 16814 426 27 10 NSS, S.A. 6471 414 85 46 ENTEL CHILE S.A. 11172 414 117 69 Servicios Alestra S.A de C.V 14117 384 25 15 Telefonica del Sur S.A. 10620 339 88 84 TVCABLE BOGOTA 20299 308 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 288 853 222 The Internet Solution 20858 217 34 3 EgyNet 2018 178 190 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 1638 34 700 Korea Telecom (ATM-MPLS) 4755 1634 387 89 Videsh Sanchar Nigam Ltd. Aut 4323 1424 1029 375 Time Warner Telecom 7018 1405 5977 1001 AT&T WorldNet Services 2386 1393 642 863 AT&T Data Communications Serv 11492 1214 146 37 Cable One 8151 1199 2432 222 UniNet S.A. de C.V. 9583 1162 129 195 Sify Limited 9498 1159 550 62 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 1634 1545 Videsh Sanchar Nigam Ltd. Aut 11492 1214 1177 Cable One 9498 1159 1097 BHARTI BT INTERNET LTD. 4323 1424 1049 Time Warner Telecom 18566 1043 1033 Covad Communications 17488 1059 982 Hathway IP Over Cable Interne 8151 1199 977 UniNet S.A. de C.V. 9583 1162 967 Sify Limited 17676 1016 951 Softbank BB Corp. 23577 1638 938 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 /12:140 /13:280 /14:506 /15:999 /16:9873 /17:4356 /18:7285 /19:15353 /20:17765 /21:17129 /22:21495 /23:22590 /24:133797 /25:768 /26:920 /27:495 /28:95 /29:9 /30:1 /31:0 /32:8

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

ASN No of nets Total ann. Description 11492 1200 1214 Cable One 2386 1091 1393 AT&T Data Communications Serv 18566 1024 1043 Covad Communications 9583 1000 1162 Sify Limited 7011 980 1097 Citizens Utilities 4755 972 1634 Videsh Sanchar Nigam Ltd. Aut 6478 924 925 AT&T Worldnet Services 17488 871 1059 Hathway IP Over Cable Interne 6389 863 2768 bellsouth.net, inc. 9498 834 1159 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 12:2019 13:1 15:20 16:3 17:6 18:13 20:35 24:1067 25:1 32:61 33:4 38:417 40:94 41:658 44:2 47:8 52:3 55:3 56:3 57:22 58:514 59:455 60:440 61:977 62:1086 63:1960 64:3379 65:2402 66:3630 67:1149 68:673 69:2157 70:602 71:125 72:1677 73:6 74:940 75:226 76:289 77:647 78:608 79:145 80:899 81:853 82:598 83:373 84:552 85:1006 86:405 87:645 88:341 89:1252 90:11 91:1214 92:268 93:357 96:25 97:14 98:141 99:3 116:622 117:304 118:124 119:396 120:13 121:526 122:744 123:316 124:838 125:1115 128:320 129:198 130:128 131:399 132:65 133:9 134:179 135:31 136:222 137:113 138:150 139:60 140:490 141:96 142:437 143:283 144:346 145:50 146:360 147:150 148:500 149:180 150:128 151:175 152:142 153:127 154:10 155:265 156:207 157:265 158:168 159:224 160:254 161:110 162:210 163:195 164:581 165:444 166:295 167:319 168:613 169:127 170:427 171:28 172:2 189:164 190:1815 192:5768 193:4095 194:3260 195:2417 196:1063 198:3739 199:3227 200:5609 201:1445 202:7535 203:7753 204:3999 205:2092 206:2391 207:2756 208:3276 209:3469 210:2528 211:1043 212:1362 213:1647 214:450 215:50 216:4330 217:1220 218:352 219:407 220:1071 221:479 222:306

End of report