Orbit

Routing Table Report 04:00 +10GMT Tue 01 Apr, 2008

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

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

BGP routing table entries examined: 250613 Prefixes after maximum aggregation: 125982 Deaggregation factor: 1.99 Unique aggregates announced to Internet: 121735 Total ASes present in the Internet Routing Table: 27765 Prefixes per ASN: 9.03 Origin-only ASes present in the Internet Routing Table: 24185 Origin ASes announcing only one prefix: 11220 Transit ASes present in the Internet Routing Table: 3580 Transit-only ASes present in the Internet Routing Table: 78 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 18 Max AS path prepend of ASN (43380) 13 Prefixes from unregistered ASNs in the Routing Table: 25065 Unregistered ASNs in the Routing Table: 1916 Number of 32-bit ASNs allocated by the RIRs: 47 Prefixes from 32-bit ASNs in the Routing Table: 8 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 849 Number of addresses announced to Internet: 1853013792 Equivalent to 110 /8s, 114 /16s and 191 /24s Percentage of available address space announced: 50.0 Percentage of allocated address space announced: 61.4 Percentage of available address space allocated: 81.4 Percentage of address space in use by end-sites: 71.0 Total number of prefixes smaller than registry allocations: 119501

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

Prefixes being announced by APNIC Region ASes: 42481 Total APNIC prefixes after maximum aggregation: 13348 APNIC Deaggregation factor: 3.18 Prefixes being announced from the APNIC address blocks: 54704 Unique aggregates announced from the APNIC address blocks: 23336 APNIC Region origin ASes present in the Internet Routing Table: 1912 APNIC Prefixes per ASN: 28.61 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: 337576544 Equivalent to 20 /8s, 31 /16s and 2 /24s Percentage of available APNIC address space announced: 77.4

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: 106750 Total ARIN prefixes after maximum aggregation: 58812 ARIN Deaggregation factor: 1.82 Prefixes being announced from the ARIN address blocks: 85557 Unique aggregates announced from the ARIN address blocks: 33903 ARIN Region origin ASes present in the Internet Routing Table: 11667 ARIN Prefixes per ASN: 7.33 ARIN Region origin ASes announcing only one prefix: 4531 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: 15 Number of ARIN addresses announced to Internet: 361095552 Equivalent to 21 /8s, 133 /16s and 225 /24s Percentage of available ARIN address space announced: 74.2

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 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: 53564 Total RIPE prefixes after maximum aggregation: 33074 RIPE Deaggregation factor: 1.62 Prefixes being announced from the RIPE address blocks: 48861 Unique aggregates announced from the RIPE address blocks: 32711 RIPE Region origin ASes present in the Internet Routing Table: 11088 RIPE Prefixes per ASN: 4.41 RIPE Region origin ASes announcing only one prefix: 5785 RIPE Region transit ASes present in the Internet Routing Table: 1696 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 350996480 Equivalent to 20 /8s, 235 /16s and 200 /24s Percentage of available RIPE address space announced: 80.5

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 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: 19182 Total LACNIC prefixes after maximum aggregation: 4822 LACNIC Deaggregation factor: 3.98 Prefixes being announced from the LACNIC address blocks: 17529 Unique aggregates announced from the LACNIC address blocks: 9625 LACNIC Region origin ASes present in the Internet Routing Table: 883 LACNIC Prefixes per ASN: 19.85 LACNIC Region origin ASes announcing only one prefix: 276 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: 16 Number of LACNIC addresses announced to Internet: 49936896 Equivalent to 2 /8s, 249 /16s and 250 /24s Percentage of available LACNIC address space announced: 49.6

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: 3570 Total AfriNIC prefixes after maximum aggregation: 1124 AfriNIC Deaggregation factor: 3.18 Prefixes being announced from the AfriNIC address blocks: 3962 Unique aggregates announced from the AfriNIC address blocks: 1801 AfriNIC Region origin ASes present in the Internet Routing Table: 231 AfriNIC Prefixes per ASN: 17.15 AfriNIC Region origin ASes announcing only one prefix: 77 AfriNIC Region transit ASes present in the Internet Routing Table: 45 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 10132736 Equivalent to 0 /8s, 154 /16s and 157 /24s Percentage of available AfriNIC address space announced: 30.2

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 1619 387 87 Videsh Sanchar Nigam Ltd. Aut 9583 1150 140 16 Sify Limited 9498 1140 550 63 BHARTI BT INTERNET LTD. 17488 1045 67 83 Hathway IP Over Cable Interne 4134 856 12471 318 CHINANET-BACKBONE 4766 850 6005 341 Korea Telecom (KIX) 18101 673 126 52 Reliance Infocom Ltd Internet 9829 596 450 12 BSNL National Internet Backbo 4812 562 969 92 China Telecom (Shanghai) 1221 539 1950 415 Telstra Pty Ltd

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 7018 1433 5927 1016 AT&T WorldNet Services 2386 1398 658 851 AT&T Data Communications Serv 4323 1397 1028 368 Time Warner Telecom 11492 1220 147 23 Cable One 7011 1080 315 614 Citizens Utilities 18566 1044 296 10 Covad Communications 1785 1013 479 107 AppliedTheory Corporation 6197 990 740 466 BellSouth Network Solutions, 174 966 6834 812 Cogent Communications 20115 914 858 507 Charter Communications

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 399 1779 363 TDC Tele Danmark 8452 352 188 7 TEDATA 3301 339 1443 308 TeliaNet Sweden 3320 323 7045 268 Deutsche Telekom AG 8866 293 78 24 Bulgarian Telecommunication C 5462 292 666 26 Telewest Broadband 8551 279 267 42 Bezeq International 3215 278 2671 91 France Telecom Transpac 6746 268 127 245 Dynamic Network Technologies, 680 259 2046 258 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 1188 2448 222 UniNet S.A. de C.V. 11830 555 299 9 Instituto Costarricense de El 7303 452 220 60 Telecom Argentina Stet-France 16814 426 27 10 NSS, S.A. 11172 410 117 70 Servicios Alestra S.A de C.V 10620 399 104 51 TVCABLE BOGOTA 6471 396 85 39 ENTEL CHILE S.A. 14117 352 25 15 Telefonica del Sur S.A. 22047 323 270 14 VTR PUNTO NET S.A. 10481 310 152 10 Prima S.A.

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 453 61 27 LINKdotNET AS number 3741 288 869 224 The Internet Solution 20858 216 34 3 EgyNet 2018 198 276 111 Tertiary Education Network 6713 143 135 11 Itissalat Al-MAGHRIB 33783 130 9 21 EEPAD TISP TELECOM & INTERNET 5536 121 8 16 Internet Egypt Network 33776 99 6 7 Starcomms Nigeria Limited 24835 89 48 7 RAYA Telecom - Egypt 2905 83 176 74 The Internetworking Company o

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 1920 3009 94 bellsouth.net, inc. 23577 1634 34 699 Korea Telecom (ATM-MPLS) 4755 1619 387 87 Videsh Sanchar Nigam Ltd. Aut 7018 1433 5927 1016 AT&T WorldNet Services 2386 1398 658 851 AT&T Data Communications Serv 4323 1397 1028 368 Time Warner Telecom 11492 1220 147 23 Cable One 8151 1188 2448 222 UniNet S.A. de C.V. 9583 1150 140 16 Sify Limited 9498 1140 550 63 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 1619 1532 Videsh Sanchar Nigam Ltd. Aut 11492 1220 1197 Cable One 9583 1150 1134 Sify Limited 9498 1140 1077 BHARTI BT INTERNET LTD. 18566 1044 1034 Covad Communications 4323 1397 1029 Time Warner Telecom 8151 1188 966 UniNet S.A. de C.V. 17488 1045 962 Hathway IP Over Cable Interne 17676 1018 952 Softbank BB Corp. 23577 1634 935 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 26478 UNALLOCATED 8.7.228.0/24 6461 AboveNet Communicati 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 7018 AT&T WorldNet Servic 22492 UNALLOCATED 12.2.46.0/24 1239 Sprint 14984 UNALLOCATED 12.2.192.0/24 7132 SBC Internet Service 15132 UNALLOCATED 12.9.150.0/24 701 UUNET Technologies,

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 /11:41 /12:137 /13:277 /14:498 /15:1001 /16:9815 /17:4312 /18:7284 /19:15262 /20:17576 /21:16771 /22:21336 /23:22320 /24:131659 /25:778 /26:894 /27:483 /28:107 /29:9 /30:1 /31:0 /32:8

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

ASN No of nets Total ann. Description 11492 1206 1220 Cable One 2386 1098 1398 AT&T Data Communications Serv 18566 1025 1044 Covad Communications 9583 985 1150 Sify Limited 4755 962 1619 Videsh Sanchar Nigam Ltd. Aut 7011 962 1080 Citizens Utilities 6478 893 894 AT&T Worldnet Services 17488 860 1045 Hathway IP Over Cable Interne 9498 812 1140 BHARTI BT INTERNET LTD. 23577 808 1634 Korea Telecom (ATM-MPLS)

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

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

4:9 8:102 12:1998 13:1 15:20 16:3 17:6 18:13 20:35 24:1047 25:1 32:60 33:4 38:407 40:95 41:629 44:2 47:8 52:3 55:3 56:3 57:22 58:515 59:429 60:423 61:987 62:1089 63:1956 64:3360 65:2378 66:3614 67:1098 68:651 69:2118 70:539 71:127 72:1541 73:6 74:903 75:221 76:284 77:614 78:550 79:131 80:889 81:828 82:604 83:369 84:561 85:948 86:396 87:630 88:323 89:1212 90:11 91:1134 92:240 93:198 96:21 97:16 98:108 99:3 116:584 117:280 118:103 119:375 120:1 121:473 122:730 123:309 124:839 125:1125 128:323 129:199 130:124 131:405 132:69 133:9 134:188 135:32 136:221 137:119 138:155 139:65 140:484 141:110 142:380 143:281 144:347 145:50 146:337 147:133 148:495 149:180 150:119 151:159 152:142 153:127 154:11 155:268 156:207 157:253 158:169 159:223 160:243 161:110 162:210 163:218 164:573 165:432 166:296 167:314 168:594 169:130 170:427 171:28 172:3 189:167 190:1585 192:5775 193:4090 194:3259 195:2372 196:1023 198:3758 199:3236 200:5482 201:1328 202:7555 203:7791 204:3992 205:2095 206:2408 207:2722 208:3223 209:3471 210:2529 211:1034 212:1337 213:1616 214:453 215:48 216:4281 217:1202 218:363 219:404 220:1067 221:400 222:316

End of report