Orbit

Routing Table Report 04:00 +10GMT Mon 03 Apr, 2006

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

BGP routing table entries examined: 185431 Prefixes after maximum aggregation: 102753 Unique aggregates announced to Internet: 90426 Total ASes present in the Internet Routing Table: 21862 Origin-only ASes present in the Internet Routing Table: 19001 Origin ASes announcing only one prefix: 9040 Transit ASes present in the Internet Routing Table: 2861 Transit-only ASes present in the Internet Routing Table: 67 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 20 Prefixes from unregistered ASNs in the Routing Table: 6 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1499464288 Equivalent to 89 /8s, 96 /16s and 2 /24s Percentage of available address space announced: 40.5 Percentage of allocated address space announced: 59.7 Percentage of available address space allocated: 67.8 Total number of prefixes smaller than registry allocations: 91040

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

Prefixes being announced by APNIC Region ASes: 38885 Total APNIC prefixes after maximum aggregation: 16350 Prefixes being announced from the APNIC address blocks: 36592 Unique aggregates announced from the APNIC address blocks: 18010 APNIC Region origin ASes present in the Internet Routing Table: 2528 APNIC Region origin ASes announcing only one prefix: 720 APNIC Region transit ASes present in the Internet Routing Table: 387 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 219720928 Equivalent to 13 /8s, 24 /16s and 172 /24s Percentage of available APNIC address space announced: 68.7

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911 APNIC Address Blocks 58/7, 60/7, 121/8, 122/7, 124/7, 126/8, 202/7 210/7, 218/7, 220/7 and 222/8

ARIN Region Analysis Summary ----------------------------

Prefixes being announced by ARIN Region ASes: 97054 Total ARIN prefixes after maximum aggregation: 57281 Prefixes being announced from the ARIN address blocks: 76149 Unique aggregates announced from the ARIN address blocks: 29014 ARIN Region origin ASes present in the Internet Routing Table: 10609 ARIN Region origin ASes announcing only one prefix: 3962 ARIN Region transit ASes present in the Internet Routing Table: 978 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 293514752 Equivalent to 17 /8s, 126 /16s and 174 /24s Percentage of available ARIN address space announced: 72.9

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 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/6, 74/7, 76/8, 198/7, 204/6, 208/7 and 216/8

RIPE Region Analysis Summary ----------------------------

Prefixes being announced by RIPE Region ASes: 36821 Total RIPE prefixes after maximum aggregation: 24653 Prefixes being announced from the RIPE address blocks: 33873 Unique aggregates announced from the RIPE address blocks: 22850 RIPE Region origin ASes present in the Internet Routing Table: 7829 RIPE Region origin ASes announcing only one prefix: 4094 RIPE Region transit ASes present in the Internet Routing Table: 1305 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 243093376 Equivalent to 14 /8s, 125 /16s and 79 /24s Percentage of available RIPE address space announced: 72.4

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 RIPE Address Blocks 62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7 and 217/8

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

Prefixes being announced by LACNIC Region ASes: 10559 Total LACNIC prefixes after maximum aggregation: 3581 Prefixes being announced from the LACNIC address blocks: 8723 Unique aggregates announced from the LACNIC address blocks: 5240 LACNIC Region origin ASes present in the Internet Routing Table: 680 LACNIC Region origin ASes announcing only one prefix: 219 LACNIC Region transit ASes present in the Internet Routing Table: 125 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 26146816 Equivalent to 1 /8s, 142 /16s and 248 /24s Percentage of available LACNIC address space announced: 39.0

LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers LACNIC Address Blocks 189/8, 190/8, 200/7

AfriNIC Region Analysis Summary -------------------------------

Prefixes being announced by AfriNIC Region ASes: 2103 Total AfriNIC prefixes after maximum aggregation: 888 Prefixes being announced from the AfriNIC address blocks: 1428 Unique aggregates announced from the AfriNIC address blocks: 911 AfriNIC Region origin ASes present in the Internet Routing Table: 151 AfriNIC Region origin ASes announcing only one prefix: 45 AfriNIC Region transit ASes present in the Internet Routing Table: 23 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 3966720 Equivalent to 0 /8s, 60 /16s and 135 /24s Percentage of available AfriNIC address space announced: 11.8

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 4134 1012 6919 214 CHINANET-BACKBONE 4755 890 258 69 Videsh Sanchar Nigam Ltd. Aut 9583 873 109 16 Sify Limited 4766 679 3924 304 Korea Telecom (KIX) 1221 623 1556 477 Telstra Pty Ltd 9498 562 212 72 BHARTI BT INTERNET LTD. 7545 531 108 71 TPG Internet Pty Ltd 17488 501 31 7 Hathway IP Over Cable Interne 17676 484 6997 107 Softbank BB Corp. 9443 416 95 82 Primus Telecommunications 4802 376 77 171 Wantree Development 2907 336 1749 312 SINET Japan 17974 336 90 38 PT TELEKOMUNIKASI INDONESIA 18101 325 68 23 Reliance Infocom Ltd Internet 17557 320 27 165 Pakistan Telecom 17849 318 20 104 Telecommunications Technology 9929 316 218 54 China Netcom Corp. 7474 307 211 233 SingTel Optus Pty Ltd 4780 281 226 16 Digital United Inc. 9837 269 77 165 Powertel Ltd

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

ASN No of nets /20 equiv MaxAgg Description 7018 1511 6264 968 AT&T WorldNet Services 4323 1251 715 249 Time Warner Telecom 721 1009 21961 305 DLA Systems Automation Center 6197 1007 615 470 BellSouth Network Solutions, 174 955 5783 902 Cogent Communications 701 937 8048 773 UUNET Technologies, Inc. 18566 925 272 8 Covad Communications 2386 870 521 663 AT&T Data Communications Serv 1239 853 2804 603 Sprint 19029 786 152 112 New Edge Networks 209 700 3607 543 Qwest 20115 673 591 362 Charter Communications 19262 665 1968 156 Verizon Global Networks 22773 643 1480 40 Cox Communications, Inc. 11492 627 86 20 Cable One 7011 620 213 401 Citizens Utilities 852 585 1089 389 Telus Advanced Communications 6198 583 518 233 BellSouth Network Solutions, 19916 563 49 54 OLM LLC 855 546 244 64 Canadian Research Network

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

ASN No of nets /20 equiv MaxAgg Description 702 586 1951 459 UUNET - Commercial IP service 3301 308 1071 292 TeliaNet Sweden 3352 307 1564 31 Ibernet, Internet Access Netw 8220 289 473 268 COLT Telecommunications 3320 282 3478 234 Deutsche Telekom AG 680 245 2025 242 DFN-IP service G-WiN 3246 231 488 221 Song Networks 6746 230 89 204 Dynamic Network Technologies, 8708 215 275 200 Romania Data Systems S.A. 8551 203 198 24 Bezeq International 24863 200 40 9 LINKdotNET AS number 1257 198 711 173 SWIPnet Swedish IP Network 3269 197 2086 76 TELECOM ITALIA 3215 191 1598 89 France Telecom Transpac 9121 174 931 26 TTnet Autonomous System 8866 172 37 15 Bulgarian Telecommunication C 786 171 1778 171 The JANET IP Service 5400 168 329 137 BT Ignite European Backbone 6830 167 765 35 UPC Distribution Services 5515 161 839 120 Sonera Solution Autonomous Sy

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

ASN No of nets /20 equiv MaxAgg Description 8151 594 1035 226 UniNet S.A. de C.V. 22047 386 142 10 VTR PUNTO NET S.A. 11172 319 110 82 Servicios Alestra S.A de C.V 16814 280 18 7 NSS, S.A. 14117 185 12 6 Telefonica del Sur S.A. 7303 159 75 20 Telecom Argentina Stet-France 6147 154 126 22 Telefonica Del Peru 11556 132 80 4 Cable-Wireless Panama 5639 128 12 9 Telecommunications Services o 19169 124 8 30 Telconet 21826 123 16 20 INTERCABLE 6503 122 149 75 AVANTEL, S.A. 10481 121 48 8 Prima S.A. 6505 106 88 78 Global One Communicaoes Ltda 23216 100 20 7 RAMtelecom Telecomunicaciones 18822 99 8 10 TELEFONICA MANQUEHUE 7315 96 6 3 Grupo Rey Moreno 25620 96 6 3 COTAS LTDA 4270 94 17 9 Red de Interconexion Universi 14522 94 13 5 SatNet S.A.

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

ASN No of nets /20 equiv MaxAgg Description 3741 277 803 232 The Internet Solution 8452 167 60 7 TEDATA 6713 145 135 11 Itissalat Al-MAGHRIB 15475 129 84 4 Nile Online 2018 123 314 104 Tertiary Education Network 5536 121 8 18 Internet Egypt Network 24835 111 50 7 RAYA Telecom - Egypt 2905 74 155 67 The Internetworking Company o 20928 57 16 2 Noor Advanced Technologies AS 12455 46 6 3 Jambonet Autonomous system 5713 39 294 35 Telkom SA Ltd 15706 31 8 3 Sudatel Internet Exchange Aut 33774 30 7 21 AS Number for Telecom Algeria 23889 26 8 11 MAURITIUS TELECOM 8524 24 1 4 AUCEGYPT Autonomous System 16637 24 14 22 Johnnic e-Ventures 10798 22 1 13 Standard Bank of South Africa 8346 20 13 17 SONATEL-AS Autonomous System 21280 20 5 5 Swift Global Kenya Ltd.Is an 2561 19 6 2 Egyptian Universities Network

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

ASN No of nets Net Savings Description 4323 1251 1002 Time Warner Telecom 18566 925 917 Covad Communications 9583 873 857 Sify Limited 4755 890 821 Videsh Sanchar Nigam Ltd. Aut 4134 1012 798 CHINANET-BACKBONE 721 1009 704 DLA Systems Automation Center 19029 786 674 New Edge Networks 11492 627 607 Cable One 22773 643 603 Cox Communications, Inc. 6197 1007 537 BellSouth Network Solutions, 19262 665 509 Verizon Global Networks 19916 563 509 OLM LLC 5668 532 502 CenturyTel Internet Holdings, 17488 501 494 Hathway IP Over Cable Interne 9498 562 490 BHARTI BT INTERNET LTD. 855 546 482 Canadian Research Network 7545 531 460 TPG Internet Pty Ltd 7757 473 454 AT&T Broadband 3602 540 431 Sprint Canada, Inc. 812 438 410 Rogers WAVE

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

Bad AS Designation Network Transit AS Description 65289 PRIVATE 148.164.1.0/24 4755 Videsh Sanchar Nigam 65005 PRIVATE 159.153.148.0/22 24989 IX Europe Frankfurt 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com 24808 UNALLOCATED 217.78.74.0/23 12491 IPPlanet 24808 UNALLOCATED 217.78.76.0/23 12491 IPPlanet 65412 PRIVATE 221.123.128.0/20 24405 Beijing CJWX Communi

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

Network Origin AS Description 132.0.0.0/10 721 DLA Systems Automation Center 137.0.0.0/13 721 DLA Systems Automation Center 158.0.0.0/13 721 DLA Systems Automation Center 183.206.196.0/24 2188 FR-RENATER-ASTER 192.44.0.0/24 5501 Fraunhofer Gesellschaft 192.44.0.0/19 702 UUNET - Commercial IP service 192.70.164.0/24 25689 National Research Council of 192.72.0.0/18 4780 Digital United Inc. 192.72.0.0/16 4780 Digital United Inc. 192.84.205.0/24 719 LANLINK autonomous system 192.119.135.0/24 270 NASA 192.172.0.0/19 721 DLA Systems Automation Center

Number of prefixes announced per prefix length (Global) -------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:17 /9:9 /10:8 /11:27 /12:88 /13:199 /14:357 /15:691 /16:8762 /17:3156 /18:5174 /19:11464 /20:12911 /21:11220 /22:14275 /23:15406 /24:100666 /25:340 /26:248 /27:215 /28:63 /29:68 /30:34 /31:0 /32:33

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

ASN No of nets Total ann. Description 18566 908 925 Covad Communications 7018 803 1511 AT&T WorldNet Services 6197 796 1007 BellSouth Network Solutions, 19029 713 786 New Edge Networks 9583 694 873 Sify Limited 11492 618 627 Cable One 4323 603 1251 Time Warner Telecom 2386 595 870 AT&T Data Communications Serv 19916 557 563 OLM LLC 7011 532 620 Citizens Utilities 4766 488 679 Korea Telecom (KIX) 7757 455 473 AT&T Broadband 6198 440 583 BellSouth Network Solutions, 855 420 546 Canadian Research Network 5668 412 532 CenturyTel Internet Holdings, 1239 378 853 Sprint 702 367 586 UUNET - Commercial IP service 15270 364 394 PaeTec.net -a division of Pae 6517 349 378 Yipes Communications, Inc. 22773 337 643 Cox Communications, Inc.

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

4:3 8:38 12:1622 13:1 15:11 16:3 17:3 18:4 20:43 24:880 25:1 30:2 32:67 38:208 40:54 44:3 45:2 47:6 52:4 55:1 56:3 57:33 58:132 59:191 60:179 61:800 62:820 63:1919 64:3118 65:2231 66:3093 67:617 68:699 69:1433 70:316 71:82 72:657 73:23 74:28 80:760 81:616 82:548 83:376 84:374 85:506 86:338 87:274 88:51 89:112 124:200 125:279 128:158 129:177 130:106 131:319 132:33 133:8 134:150 135:47 136:177 137:69 138:199 139:74 140:466 141:134 142:393 143:160 144:229 145:40 146:321 147:133 148:338 149:190 150:113 151:80 152:65 153:107 154:6 155:196 156:99 157:120 158:165 159:171 160:86 161:69 162:252 163:145 164:179 165:182 166:166 167:242 168:480 169:134 170:329 171:12 172:1 183:1 190:51 192:5769 193:3404 194:2558 195:1794 196:828 198:3874 199:3260 200:4256 201:672 202:6546 203:6903 204:3925 205:2098 206:2423 207:2928 208:2040 209:3716 210:1927 211:704 212:1237 213:1446 214:333 215:42 216:4084 217:1175 218:240 219:179 220:655 221:354 222:160

End of report