Orbit

Routing Table Report 04:00 +10GMT Tue 29 Apr, 2008

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

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

BGP routing table entries examined: 254423 Prefixes after maximum aggregation: 127266 Deaggregation factor: 2.00 Unique aggregates announced to Internet: 124178 Total ASes present in the Internet Routing Table: 28051 Prefixes per ASN: 9.07 Origin-only ASes present in the Internet Routing Table: 24436 Origin ASes announcing only one prefix: 11382 Transit ASes present in the Internet Routing Table: 3615 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: 25228 Unregistered ASNs in the Routing Table: 1884 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: 789 Number of addresses announced to Internet: 1863853344 Equivalent to 111 /8s, 24 /16s and 37 /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: 122208

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

Prefixes being announced by APNIC Region ASes: 43001 Total APNIC prefixes after maximum aggregation: 13813 APNIC Deaggregation factor: 3.11 Prefixes being announced from the APNIC address blocks: 55368 Unique aggregates announced from the APNIC address blocks: 24362 APNIC Region origin ASes present in the Internet Routing Table: 1928 APNIC Prefixes per ASN: 28.72 APNIC Region origin ASes announcing only one prefix: 551 APNIC Region transit ASes present in the Internet Routing Table: 352 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 14 Number of APNIC addresses announced to Internet: 346510688 Equivalent to 20 /8s, 167 /16s and 85 /24s Percentage of available APNIC address space announced: 79.4

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: 107727 Total ARIN prefixes after maximum aggregation: 59223 ARIN Deaggregation factor: 1.82 Prefixes being announced from the ARIN address blocks: 86513 Unique aggregates announced from the ARIN address blocks: 34235 ARIN Region origin ASes present in the Internet Routing Table: 11766 ARIN Prefixes per ASN: 7.35 ARIN Region origin ASes announcing only one prefix: 4592 ARIN Region transit ASes present in the Internet Routing Table: 1044 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 357727232 Equivalent to 21 /8s, 82 /16s and 124 /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: 54859 Total RIPE prefixes after maximum aggregation: 33551 RIPE Deaggregation factor: 1.64 Prefixes being announced from the RIPE address blocks: 50077 Unique aggregates announced from the RIPE address blocks: 33519 RIPE Region origin ASes present in the Internet Routing Table: 11263 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: 355243776 Equivalent to 21 /8s, 44 /16s and 151 /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: 19804 Total LACNIC prefixes after maximum aggregation: 4955 LACNIC Deaggregation factor: 4.00 Prefixes being announced from the LACNIC address blocks: 18209 Unique aggregates announced from the LACNIC address blocks: 9854 LACNIC Region origin ASes present in the Internet Routing Table: 895 LACNIC Prefixes per ASN: 20.35 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: 4.0 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 50808576 Equivalent to 3 /8s, 7 /16s and 71 /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: 3803 Total AfriNIC prefixes after maximum aggregation: 1205 AfriNIC Deaggregation factor: 3.16 Prefixes being announced from the AfriNIC address blocks: 4160 Unique aggregates announced from the AfriNIC address blocks: 1844 AfriNIC Region origin ASes present in the Internet Routing Table: 240 AfriNIC Prefixes per ASN: 17.33 AfriNIC Region origin ASes announcing only one prefix: 78 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: 15 Number of AfriNIC addresses announced to Internet: 11378432 Equivalent to 0 /8s, 173 /16s and 159 /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 1163 116 380 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 847 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 517 835 131 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 1404 5977 1000 AT&T WorldNet Services 2386 1398 642 864 AT&T Data Communications Serv 11492 1214 146 37 Cable One 7011 1097 319 624 Citizens Utilities 18566 1043 296 10 Covad Communications 1785 1013 511 106 AppliedTheory Corporation 6197 987 598 508 BellSouth Network Solutions, 174 968 6835 801 Cogent Communications 22773 934 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 407 1787 367 TDC Tele Danmark 9198 400 74 9 Kazakhtelecom Data Network Ad 8452 356 188 7 TEDATA 3301 340 1459 308 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 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 1197 2432 224 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 387 98 75 TVCABLE BOGOTA 14117 384 25 15 Telefonica del Sur S.A. 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 289 853 223 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 2766 3020 115 bellsouth.net, inc. 23577 1640 34 701 Korea Telecom (ATM-MPLS) 4755 1638 387 91 Videsh Sanchar Nigam Ltd. Aut 4323 1424 1029 375 Time Warner Telecom 7018 1404 5977 1000 AT&T WorldNet Services 2386 1398 642 864 AT&T Data Communications Serv 11492 1214 146 37 Cable One 8151 1197 2432 224 UniNet S.A. de C.V. 9583 1163 116 380 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 1214 1177 Cable One 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 1197 973 UniNet S.A. de C.V. 17676 1016 951 Softbank BB Corp. 23577 1640 939 Korea Telecom (ATM-MPLS) 1785 1013 907 AppliedTheory Corporation

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 /15:999 /16:9868 /17:4356 /18:7290 /19:15364 /20:17771 /21:17153 /22:21571 /23:22671 /24:134068 /25:773 /26:916 /27:490 /28:104 /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 1096 1398 AT&T Data Communications Serv 18566 1024 1043 Covad Communications 9583 1003 1163 Sify Limited 7011 980 1097 Citizens Utilities 4755 974 1638 Videsh Sanchar Nigam Ltd. Aut 6478 924 925 AT&T Worldnet Services 17488 871 1059 Hathway IP Over Cable Interne 6389 862 2766 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 12:2020 13:1 15:20 16:3 17:6 18:13 20:35 24:1066 25:1 32:61 33:4 38:417 40:94 41:658 44:2 47:8 52:3 55:3 56:3 57:22 58:519 59:457 60:440 61:981 62:1091 63:1960 64:3405 65:2416 66:3629 67:1161 68:673 69:2161 70:601 71:125 72:1676 73:6 74:943 75:226 76:294 77:645 78:610 79:147 80:899 81:851 82:607 83:373 84:544 85:1005 86:405 87:646 88:344 89:1278 90:11 91:1218 92:288 93:358 96:25 97:14 98:141 99:3 116:629 117:304 118:124 119:368 120:9 121:526 122:746 123:316 124:840 125:1115 128:320 129:198 130:128 131:403 132:66 133:9 134:179 135:31 136:222 137:113 138:150 139:60 140:490 141:96 142:438 143:285 144:346 145:50 146:360 147:150 148:501 149:181 150:128 151:180 152:142 153:127 154:10 155:267 156:207 157:265 158:168 159:222 160:253 161:111 162:210 163:196 164:582 165:444 166:298 167:319 168:613 169:127 170:422 171:28 172:2 189:163 190:1821 192:5768 193:4104 194:3266 195:2417 196:1068 198:3739 199:3231 200:5625 201:1443 202:7542 203:7835 204:4005 205:2088 206:2393 207:2763 208:3275 209:3465 210:2531 211:1046 212:1368 213:1646 214:447 215:50 216:4336 217:1219 218:351 219:408 220:1067 221:482 222:301

End of report