Orbit

Routing Table Report 00:00 GMT Tue 31 Mar, 2009

NB: RouteViews data includes iBGP information from some ASNs. Treat the information provided below appropriately.

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

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

BGP routing table entries examined: 286650 Prefixes after maximum aggregation: 134900 Deaggregation factor: 2.12 Unique aggregates announced to Internet: 139483 Total ASes present in the Internet Routing Table: 30952 Prefixes per ASN: 9.26 Origin-only ASes present in the Internet Routing Table: 26822 Origin ASes announcing only one prefix: 13101 Transit ASes present in the Internet Routing Table: 4130 Transit-only ASes present in the Internet Routing Table: 103 Average AS path length visible in the Internet Routing Table: 3.9 Max AS path length visible: 36 Max AS path prepend of ASN (18678) 31 Prefixes from unregistered ASNs in the Routing Table: 553 Unregistered ASNs in the Routing Table: 198 Number of 32-bit ASNs allocated by the RIRs: 138 Prefixes from 32-bit ASNs in the Routing Table: 19 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 229 Number of addresses announced to Internet: 2023463231 Equivalent to 120 /8s, 155 /16s and 153 /24s Percentage of available address space announced: 54.6 Percentage of allocated address space announced: 63.8 Percentage of available address space allocated: 85.5 Percentage of address space in use by end-sites: 76.1 Total number of prefixes smaller than registry allocations: 141354

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

Prefixes being announced by APNIC Region ASes: 65553 Total APNIC prefixes after maximum aggregation: 23318 APNIC Deaggregation factor: 2.81 Prefixes being announced from the APNIC address blocks: 62224 Unique aggregates announced from the APNIC address blocks: 28463 APNIC Region origin ASes present in the Internet Routing Table: 3568 APNIC Prefixes per ASN: 17.44 APNIC Region origin ASes announcing only one prefix: 968 APNIC Region transit ASes present in the Internet Routing Table: 561 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 26 Number of APNIC addresses announced to Internet: 409444096 Equivalent to 24 /8s, 103 /16s and 159 /24s Percentage of available APNIC address space announced: 81.3

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, 110/8, 111/8, 112/8, 113/8, 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: 124474 Total ARIN prefixes after maximum aggregation: 66014 ARIN Deaggregation factor: 1.89 Prefixes being announced from the ARIN address blocks: 93086 Unique aggregates announced from the ARIN address blocks: 36327 ARIN Region origin ASes present in the Internet Routing Table: 12886 ARIN Prefixes per ASN: 7.22 ARIN Region origin ASes announcing only one prefix: 4947 ARIN Region transit ASes present in the Internet Routing Table: 1288 Average ARIN Region AS path length visible: 3.5 Max ARIN Region AS path length visible: 20 Number of ARIN addresses announced to Internet: 420655361 Equivalent to 25 /8s, 18 /16s and 177 /24s Percentage of available ARIN address space announced: 80.9

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, 108/8, 173/8, 174/8, 184/8, 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: 65915 Total RIPE prefixes after maximum aggregation: 37973 RIPE Deaggregation factor: 1.74 Prefixes being announced from the RIPE address blocks: 60834 Unique aggregates announced from the RIPE address blocks: 39576 RIPE Region origin ASes present in the Internet Routing Table: 12866 RIPE Prefixes per ASN: 4.73 RIPE Region origin ASes announcing only one prefix: 6753 RIPE Region transit ASes present in the Internet Routing Table: 1978 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 25 Number of RIPE addresses announced to Internet: 392231336 Equivalent to 23 /8s, 96 /16s and 249 /24s Percentage of available RIPE address space announced: 83.5

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, 47104-52223 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, 109/8, 178/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

LACNIC Region Analysis Summary ------------------------------

Prefixes being announced by LACNIC Region ASes: 25443 Total LACNIC prefixes after maximum aggregation: 5855 LACNIC Deaggregation factor: 4.35 Prefixes being announced from the LACNIC address blocks: 23607 Unique aggregates announced from the LACNIC address blocks: 11917 LACNIC Region origin ASes present in the Internet Routing Table: 1090 LACNIC Prefixes per ASN: 21.66 LACNIC Region origin ASes announcing only one prefix: 345 LACNIC Region transit ASes present in the Internet Routing Table: 180 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 36 Number of LACNIC addresses announced to Internet: 61846282 Equivalent to 3 /8s, 175 /16s and 179 /24s Percentage of available LACNIC address space announced: 61.4

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247 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: 4805 Total AfriNIC prefixes after maximum aggregation: 1389 AfriNIC Deaggregation factor: 3.46 Prefixes being announced from the AfriNIC address blocks: 4505 Unique aggregates announced from the AfriNIC address blocks: 1351 AfriNIC Region origin ASes present in the Internet Routing Table: 289 AfriNIC Prefixes per ASN: 15.59 AfriNIC Region origin ASes announcing only one prefix: 88 AfriNIC Region transit ASes present in the Internet Routing Table: 57 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 10144000 Equivalent to 0 /8s, 154 /16s and 201 /24s Percentage of available AfriNIC address space announced: 30.2

AfriNIC AS Blocks 36864-37887 & ERX transfers AfriNIC Address Blocks 41/8, 197/8,

APNIC Region per AS prefix count summary ----------------------------------------

ASN No of nets /20 equiv MaxAgg Description 17488 1536 121 97 Hathway IP Over Cable Interne 4766 1532 6928 393 Korea Telecom (KIX) 4755 1176 405 179 Videsh Sanchar Nigam Ltd. Aut 9583 1098 86 536 Sify Limited 4134 909 16390 367 CHINANET-BACKBONE 7545 782 164 106 TPG Internet Pty Ltd 18101 750 206 30 Reliance Infocom Ltd Internet 9498 688 296 50 BHARTI BT INTERNET LTD. 24560 679 228 175 Bharti Airtel Ltd. 9829 638 491 20 BSNL National Internet Backbo

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

ARIN Region per AS prefix count summary ---------------------------------------

ASN No of nets /20 equiv MaxAgg Description 6389 4313 3654 323 bellsouth.net, inc. 4323 1808 1045 376 Time Warner Telecom 1785 1737 717 139 AppliedTheory Corporation 20115 1595 1431 725 Charter Communications 7018 1435 9964 1003 AT&T WorldNet Services 6478 1306 296 504 AT&T Worldnet Services 3561 1276 2293 379 Savvis 2386 1262 684 904 AT&T Data Communications Serv 3356 1208 10978 450 Level 3 Communications, LLC 11492 1196 192 11 Cable One

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

RIPE Region per AS prefix count summary ---------------------------------------

ASN No of nets /20 equiv MaxAgg Description 8452 1245 188 7 TEDATA 35228 478 144 5 Avatar Broadband Limited 3292 466 1763 394 TDC Tele Danmark 30890 436 86 194 Evolva Telecom 12479 403 578 6 Uni2 Autonomous System 3301 342 1685 307 TeliaNet Sweden 3320 340 7081 293 Deutsche Telekom AG 3215 339 3017 108 France Telecom Transpac 8866 337 109 22 Bulgarian Telecommunication C 29049 322 26 3 AzerSat LLC.

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

LACNIC Region per AS prefix count summary -----------------------------------------

ASN No of nets /20 equiv MaxAgg Description 7303 1831 260 73 Telecom Argentina Stet-France 8151 1443 2832 234 Uninet S.A. de C.V. 10620 839 191 98 TVCABLE BOGOTA 22047 607 302 14 Types of queries are: POCs, o 11830 520 294 42 Instituto Costarricense de El 16814 494 31 10 NSS, S.A. 6471 442 96 33 ENTEL CHILE S.A. 7738 410 794 28 Telecomunicacoes da Bahia S.A 11172 410 102 72 Alestra 28573 385 518 25 Types of queries are: POCs, o

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

AfriNIC Region per AS prefix count summary ------------------------------------------

ASN No of nets /20 equiv MaxAgg Description 24863 841 76 33 LINKdotNET AS number 20858 292 34 3 EgyNet 3741 272 858 232 The Internet Solution 2018 242 215 142 TENET-1 6713 159 150 15 Itissalat Al-MAGHRIB 33783 148 10 8 EEPAD TISP TELECOM & INTERNET 29571 137 15 8 Ci Telecom Autonomous system 5536 123 8 9 Internet Egypt Network 5713 115 507 65 Telkom SA Ltd 33776 109 6 3 Starcomms Nigeria Limited

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

Global Per AS prefix count summary ----------------------------------

ASN No of nets /20 equiv MaxAgg Description 6389 4313 3654 323 bellsouth.net, inc. 7303 1831 260 73 Telecom Argentina Stet-France 4323 1808 1045 376 Time Warner Telecom 1785 1737 717 139 AppliedTheory Corporation 20115 1595 1431 725 Charter Communications 17488 1536 121 97 Hathway IP Over Cable Interne 4766 1532 6928 393 Korea Telecom (KIX) 8151 1443 2832 234 Uninet S.A. de C.V. 7018 1435 9964 1003 AT&T WorldNet Services 6478 1306 296 504 AT&T Worldnet Services

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

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

ASN No of nets Net Savings Description 7303 1831 1758 Telecom Argentina Stet-France 1785 1737 1598 AppliedTheory Corporation 17488 1536 1439 Hathway IP Over Cable Interne 4323 1808 1432 Time Warner Telecom 8452 1245 1238 TEDATA 8151 1443 1209 Uninet S.A. de C.V. 11492 1196 1185 Cable One 4766 1532 1139 Korea Telecom (KIX) 18566 1061 1051 Covad Communications 4755 1176 997 Videsh Sanchar Nigam Ltd. Aut

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

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

Bad AS Designation Network Transit AS Description 16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic 13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic 32326 UNALLOCATED 12.40.49.0/24 7018 AT&T WorldNet Servic 25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic

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

Prefixes from private and non-routed address space (Global) -----------------------------------------------------------

Prefix Origin AS Description 10.29.248.71/32 286 KPNQwest Backbone AS

Complete listing at http://thyme.apnic.net/rviews/data-dsua

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

Network Origin AS Description 24.75.116.0/22 10796 ServiceCo LLC - Road Runner 24.246.0.0/17 7018 AT&T WorldNet Services 24.246.128.0/18 7018 AT&T WorldNet Services 41.220.16.0/20 8668 TelOne Zimbabwe P/L 41.223.112.0/22 5713 Telkom SA Ltd 41.223.188.0/24 22351 Intelsat 41.223.189.0/24 26452 Local Communications Networks 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 62.61.221.0/24 24974 Tachyon Europe BV - Wireless 63.140.213.0/24 22555 Universal Talkware Corporatio

Complete listing at http://thyme.apnic.net/rviews/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 /8:20 /9:10 /10:20 /11:57 /12:167 /13:328 /14:592 /15:1153 /16:10427 /17:4658 /18:7980 /19:16880 /20:20123 /21:19984 /22:26004 /23:25739 /24:151070 /25:195 /26:288 /27:222 /28:217 /29:244 /30:147 /31:7 /32:118

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

ASN No of nets Total ann. Description 6389 2803 4313 bellsouth.net, inc. 7303 1362 1831 Telecom Argentina Stet-France 17488 1305 1536 Hathway IP Over Cable Interne 4766 1237 1532 Korea Telecom (KIX) 8452 1224 1245 TEDATA 11492 1152 1196 Cable One 1785 1145 1737 AppliedTheory Corporation 18566 1042 1061 Covad Communications 2386 962 1262 AT&T Data Communications Serv 9583 949 1098 Sify Limited

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

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

4:13 8:175 12:2217 13:3 15:19 16:3 17:4 20:35 24:1134 32:146 38:550 40:97 41:1988 43:1 44:2 47:21 52:3 55:2 56:3 57:37 58:533 59:623 60:461 61:1109 62:1163 63:1959 64:3699 65:2405 66:3683 67:1495 68:693 69:2548 70:512 71:164 72:1685 73:2 74:1465 75:208 76:310 77:836 78:552 79:305 80:961 81:822 82:544 83:407 84:599 85:1016 86:396 87:636 88:347 89:1492 90:44 91:2104 92:334 93:1171 94:1226 95:826 96:106 97:184 98:244 99:17 109:1 110:32 112:91 113:91 114:231 115:235 116:1141 117:487 118:287 119:660 120:143 121:724 122:981 123:551 124:952 125:1302 128:222 129:228 130:130 131:414 132:75 133:9 134:186 135:39 136:241 137:153 138:147 139:87 140:433 141:103 142:392 143:332 144:324 145:43 146:375 147:150 148:516 149:315 150:147 151:200 152:150 153:143 154:11 155:266 156:167 157:298 158:130 159:273 160:281 161:133 162:271 163:150 164:476 165:540 166:279 167:360 168:679 169:162 170:500 171:38 172:10 173:258 174:155 178:1 186:8 187:78 188:9 189:396 190:3048 192:5854 193:4322 194:3430 195:2740 196:1050 198:3739 199:3328 200:5803 201:1485 202:7998 203:8072 204:3786 205:2183 206:2439 207:2783 208:4006 209:3511 210:2645 211:1136 212:1540 213:1766 214:70 215:25 216:4585 217:1271 218:365 219:416 220:1211 221:452 222:280

End of report