Orbit

Routing Table Report 04:00 +10GMT Mon 31 Mar, 2008

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

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

BGP routing table entries examined: 250094 Prefixes after maximum aggregation: 125905 Deaggregation factor: 1.99 Unique aggregates announced to Internet: 121535 Total ASes present in the Internet Routing Table: 27747 Prefixes per ASN: 9.01 Origin-only ASes present in the Internet Routing Table: 24168 Origin ASes announcing only one prefix: 11220 Transit ASes present in the Internet Routing Table: 3579 Transit-only ASes present in the Internet Routing Table: 77 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: 25030 Unregistered ASNs in the Routing Table: 1911 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: 1852369056 Equivalent to 110 /8s, 104 /16s and 232 /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: 119236

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

Prefixes being announced by APNIC Region ASes: 42124 Total APNIC prefixes after maximum aggregation: 13279 APNIC Deaggregation factor: 3.17 Prefixes being announced from the APNIC address blocks: 54332 Unique aggregates announced from the APNIC address blocks: 23195 APNIC Region origin ASes present in the Internet Routing Table: 1881 APNIC Prefixes per ASN: 28.88 APNIC Region origin ASes announcing only one prefix: 537 APNIC Region transit ASes present in the Internet Routing Table: 348 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 14 Number of APNIC addresses announced to Internet: 337397344 Equivalent to 20 /8s, 28 /16s and 70 /24s Percentage of available APNIC address space announced: 77.3

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: 106688 Total ARIN prefixes after maximum aggregation: 58774 ARIN Deaggregation factor: 1.82 Prefixes being announced from the ARIN address blocks: 85504 Unique aggregates announced from the ARIN address blocks: 33878 ARIN Region origin ASes present in the Internet Routing Table: 11669 ARIN Prefixes per ASN: 7.33 ARIN Region origin ASes announcing only one prefix: 4537 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: 15 Number of ARIN addresses announced to Internet: 361031552 Equivalent to 21 /8s, 132 /16s and 231 /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: 53518 Total RIPE prefixes after maximum aggregation: 33103 RIPE Deaggregation factor: 1.62 Prefixes being announced from the RIPE address blocks: 48818 Unique aggregates announced from the RIPE address blocks: 32683 RIPE Region origin ASes present in the Internet Routing Table: 11098 RIPE Prefixes per ASN: 4.40 RIPE Region origin ASes announcing only one prefix: 5788 RIPE Region transit ASes present in the Internet Routing Table: 1698 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 350606976 Equivalent to 20 /8s, 229 /16s and 214 /24s Percentage of available RIPE address space announced: 80.4

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 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: 19167 Total LACNIC prefixes after maximum aggregation: 4829 LACNIC Deaggregation factor: 3.97 Prefixes being announced from the LACNIC address blocks: 17513 Unique aggregates announced from the LACNIC address blocks: 9621 LACNIC Region origin ASes present in the Internet Routing Table: 884 LACNIC Prefixes per ASN: 19.81 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: 16 Number of LACNIC addresses announced to Internet: 49883392 Equivalent to 2 /8s, 249 /16s and 41 /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: 3566 Total AfriNIC prefixes after maximum aggregation: 1122 AfriNIC Deaggregation factor: 3.18 Prefixes being announced from the AfriNIC address blocks: 3961 Unique aggregates announced from the AfriNIC address blocks: 1816 AfriNIC Region origin ASes present in the Internet Routing Table: 234 AfriNIC Prefixes per ASN: 16.93 AfriNIC Region origin ASes announcing only one prefix: 81 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: 10170880 Equivalent to 0 /8s, 155 /16s and 50 /24s Percentage of available AfriNIC address space announced: 30.3

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 1151 140 16 Sify Limited 9498 1128 550 63 BHARTI BT INTERNET LTD. 17488 1045 67 83 Hathway IP Over Cable Interne 4134 859 12487 319 CHINANET-BACKBONE 4766 850 6005 341 Korea Telecom (KIX) 18101 673 126 52 Reliance Infocom Ltd Internet 9829 586 450 12 BSNL National Internet Backbo 4812 562 969 92 China Telecom (Shanghai) 1221 542 1950 418 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 1425 5927 1007 AT&T WorldNet Services 2386 1400 658 852 AT&T Data Communications Serv 4323 1395 1028 368 Time Warner Telecom 11492 1220 147 23 Cable One 7011 1080 315 614 Citizens Utilities 18566 1044 296 10 Covad Communications 1785 1010 479 107 AppliedTheory Corporation 6197 983 728 477 BellSouth Network Solutions, 174 966 6834 812 Cogent Communications 20115 915 859 508 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 398 1777 362 TDC Tele Danmark 8452 357 188 7 TEDATA 3301 341 1459 310 TeliaNet Sweden 3320 322 7045 267 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 265 127 243 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 1187 2447 223 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 409 117 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 322 270 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 454 61 28 LINKdotNET AS number 3741 287 869 223 The Internet Solution 20858 216 34 3 EgyNet 2018 192 276 111 Tertiary Education Network 6713 143 135 11 Itissalat Al-MAGHRIB 33783 131 9 16 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 1914 3009 94 bellsouth.net, inc. 23577 1636 34 699 Korea Telecom (ATM-MPLS) 4755 1619 387 87 Videsh Sanchar Nigam Ltd. Aut 7018 1425 5927 1007 AT&T WorldNet Services 2386 1400 658 852 AT&T Data Communications Serv 4323 1395 1028 368 Time Warner Telecom 11492 1220 147 23 Cable One 8151 1187 2447 223 UniNet S.A. de C.V. 9583 1151 140 16 Sify Limited 9498 1128 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 1151 1135 Sify Limited 9498 1128 1065 BHARTI BT INTERNET LTD. 18566 1044 1034 Covad Communications 4323 1395 1027 Time Warner Telecom 8151 1187 964 UniNet S.A. de C.V. 17488 1045 962 Hathway IP Over Cable Interne 17676 1018 952 Softbank BB Corp. 23577 1636 937 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 /15:998 /16:9816 /17:4309 /18:7279 /19:15266 /20:17540 /21:16747 /22:21305 /23:22298 /24:131261 /25:776 /26:893 /27:484 /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 1100 1400 AT&T Data Communications Serv 18566 1025 1044 Covad Communications 9583 986 1151 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 23577 809 1636 Korea Telecom (ATM-MPLS) 9498 803 1128 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 8:102 12:2000 13:1 15:20 16:3 17:6 18:13 20:35 24:1047 25:1 32:59 33:4 38:407 40:95 41:630 44:2 47:8 52:3 55:3 56:3 57:22 58:508 59:423 60:423 61:978 62:1091 63:1955 64:3360 65:2374 66:3615 67:1092 68:651 69:2112 70:538 71:127 72:1540 73:6 74:900 75:221 76:284 77:617 78:551 79:121 80:887 81:832 82:606 83:370 84:546 85:942 86:395 87:632 88:323 89:1209 90:11 91:1131 92:238 93:167 96:19 97:16 98:108 99:3 116:578 117:281 118:103 119:374 121:468 122:703 123:297 124:830 125:1124 128:324 129:199 130:124 131:406 132:69 133:9 134:188 135:32 136:215 137:119 138:155 139:65 140:482 141:110 142:380 143:279 144:346 145:50 146:337 147:133 148:495 149:180 150:121 151:159 152:142 153:127 154:11 155:268 156:207 157:253 158:170 159:223 160:244 161:110 162:210 163:218 164:565 165:434 166:296 167:314 168:594 169:130 170:426 171:28 172:3 189:166 190:1582 192:5765 193:4090 194:3262 195:2380 196:1024 198:3754 199:3232 200:5479 201:1322 202:7462 203:7745 204:3993 205:2078 206:2408 207:2721 208:3224 209:3468 210:2514 211:1034 212:1330 213:1611 214:454 215:48 216:4280 217:1202 218:349 219:404 220:1065 221:401 222:311

End of report