Orbit

Routing Table Report 04:00 +10GMT Mon 13 Mar, 2006

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

BGP routing table entries examined: 183746 Prefixes after maximum aggregation: 101965 Unique aggregates announced to Internet: 89369 Total ASes present in the Internet Routing Table: 21716 Origin-only ASes present in the Internet Routing Table: 18868 Origin ASes announcing only one prefix: 8976 Transit ASes present in the Internet Routing Table: 2848 Transit-only ASes present in the Internet Routing Table: 69 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 29 Prefixes from unregistered ASNs in the Routing Table: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 11 Number of addresses announced to Internet: 1509510240 Equivalent to 89 /8s, 249 /16s and 76 /24s Percentage of available address space announced: 40.7 Percentage of allocated address space announced: 60.1 Percentage of available address space allocated: 67.8 Total number of prefixes smaller than registry allocations: 89862

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

Prefixes being announced by APNIC Region ASes: 38768 Total APNIC prefixes after maximum aggregation: 16318 Prefixes being announced from the APNIC address blocks: 36497 Unique aggregates announced from the APNIC address blocks: 17744 APNIC Region origin ASes present in the Internet Routing Table: 2493 APNIC Region origin ASes announcing only one prefix: 697 APNIC Region transit ASes present in the Internet Routing Table: 389 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 14 Number of APNIC addresses announced to Internet: 217209312 Equivalent to 12 /8s, 242 /16s and 89 /24s Percentage of available APNIC address space announced: 67.9

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: 96284 Total ARIN prefixes after maximum aggregation: 56861 Prefixes being announced from the ARIN address blocks: 75609 Unique aggregates announced from the ARIN address blocks: 28774 ARIN Region origin ASes present in the Internet Routing Table: 10575 ARIN Region origin ASes announcing only one prefix: 3948 ARIN Region transit ASes present in the Internet Routing Table: 977 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 290789888 Equivalent to 17 /8s, 85 /16s and 26 /24s Percentage of available ARIN address space announced: 72.2

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 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: 36445 Total RIPE prefixes after maximum aggregation: 24386 Prefixes being announced from the RIPE address blocks: 33449 Unique aggregates announced from the RIPE address blocks: 22508 RIPE Region origin ASes present in the Internet Routing Table: 7756 RIPE Region origin ASes announcing only one prefix: 4067 RIPE Region transit ASes present in the Internet Routing Table: 1292 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 241858816 Equivalent to 14 /8s, 106 /16s and 121 /24s Percentage of available RIPE address space announced: 72.1

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: 10238 Total LACNIC prefixes after maximum aggregation: 3502 Prefixes being announced from the LACNIC address blocks: 8419 Unique aggregates announced from the LACNIC address blocks: 5093 LACNIC Region origin ASes present in the Internet Routing Table: 677 LACNIC Region origin ASes announcing only one prefix: 221 LACNIC Region transit ASes present in the Internet Routing Table: 124 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 29 Number of LACNIC addresses announced to Internet: 25821184 Equivalent to 1 /8s, 138 /16s and 0 /24s Percentage of available LACNIC address space announced: 38.5

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: 2002 Total AfriNIC prefixes after maximum aggregation: 898 Prefixes being announced from the AfriNIC address blocks: 1327 Unique aggregates announced from the AfriNIC address blocks: 910 AfriNIC Region origin ASes present in the Internet Routing Table: 148 AfriNIC Region origin ASes announcing only one prefix: 43 AfriNIC Region transit ASes present in the Internet Routing Table: 25 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 3795968 Equivalent to 0 /8s, 57 /16s and 236 /24s Percentage of available AfriNIC address space announced: 11.3

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 4134 988 6928 208 CHINANET-BACKBONE 4755 874 258 71 Videsh Sanchar Nigam Ltd. Aut 9583 866 109 16 Sify Limited 4766 677 3924 300 Korea Telecom (KIX) 1221 652 1428 470 Telstra Pty Ltd 9498 560 212 72 BHARTI BT INTERNET LTD. 7545 519 108 69 TPG Internet Pty Ltd 17488 516 31 7 Hathway IP Over Cable Interne 17676 484 6997 107 Softbank BB Corp. 9443 414 95 82 Primus Telecommunications 4802 371 75 166 Wantree Development 2907 335 1749 313 SINET Japan 18101 332 68 23 Reliance Infocom Ltd Internet 9929 325 216 52 China Netcom Corp. 17557 319 25 163 Pakistan Telecom 17849 315 20 104 Telecommunications Technology 17974 307 77 36 PT TELEKOMUNIKASI INDONESIA 7474 304 211 231 SingTel Optus Pty Ltd 4780 281 226 16 Digital United Inc. 9837 273 78 169 Powertel Ltd

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

ASN No of nets /20 equiv MaxAgg Description 7018 1499 6264 961 AT&T WorldNet Services 4323 1226 710 234 Time Warner Telecom 721 1002 21945 304 DLA Systems Automation Center 6197 1002 617 467 BellSouth Network Solutions, 174 975 5784 920 Cogent Communications 701 951 8064 786 UUNET Technologies, Inc. 18566 918 272 8 Covad Communications 2386 870 520 662 AT&T Data Communications Serv 1239 852 2789 599 Sprint 19029 778 152 112 New Edge Networks 209 696 3608 542 Qwest 20115 669 586 361 Charter Communications 19262 663 1953 157 Verizon Global Networks 22773 639 1480 40 Cox Communications, Inc. 11492 636 86 20 Cable One 7011 598 208 388 Citizens Utilities 6198 584 502 238 BellSouth Network Solutions, 852 576 1088 383 Telus Advanced Communications 855 566 244 64 Canadian Research Network 19916 563 49 54 OLM LLC

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

ASN No of nets /20 equiv MaxAgg Description 702 581 1951 457 UUNET - Commercial IP service 3301 306 1071 291 TeliaNet Sweden 3352 306 1548 32 Ibernet, Internet Access Netw 8220 289 475 268 COLT Telecommunications 3320 279 3477 232 Deutsche Telekom AG 680 244 2025 241 DFN-IP service G-WiN 3246 230 488 220 Song Networks 6746 225 88 197 Dynamic Network Technologies, 8708 219 274 202 Romania Data Systems S.A. 1257 204 712 173 SWIPnet Swedish IP Network 8551 202 197 24 Bezeq International 3269 190 2037 72 TELECOM ITALIA 3215 182 1502 87 France Telecom Transpac 24863 181 40 9 LINKdotNET AS number 5515 177 839 124 Sonera Solution Autonomous Sy 786 174 1795 174 The JANET IP Service 5400 167 328 136 BT Ignite European Backbone 8866 167 37 13 Bulgarian Telecommunication C 6830 166 765 35 UPC Distribution Services 9121 162 931 27 TTnet Autonomous System

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

ASN No of nets /20 equiv MaxAgg Description 8151 573 1049 224 UniNet S.A. de C.V. 22047 383 142 10 VTR PUNTO NET S.A. 11172 312 111 80 Servicios Alestra S.A de C.V 16814 290 18 7 NSS, S.A. 14117 184 11 6 Telefonica del Sur S.A. 7303 159 75 20 Telecom Argentina Stet-France 6147 154 126 22 Telefonica Del Peru 11556 130 80 3 Cable-Wireless Panama 5639 127 12 9 Telecommunications Services o 19169 123 8 30 Telconet 6503 122 149 76 AVANTEL, S.A. 10481 121 48 8 Prima S.A. 21826 120 16 19 INTERCABLE 6505 106 88 78 Global One Communicaoes Ltda 23216 101 20 7 RAMtelecom Telecomunicaciones 14522 99 12 4 SatNet S.A. 18822 99 8 10 TELEFONICA MANQUEHUE 7315 96 6 3 Grupo Rey Moreno 19429 95 52 42 E.T.B. 4270 93 17 9 Red de Interconexion Universi

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

ASN No of nets /20 equiv MaxAgg Description 3741 281 803 236 The Internet Solution 8452 163 60 7 TEDATA 2018 124 314 105 Tertiary Education Network 15475 123 84 4 Nile Online 5536 122 8 18 Internet Egypt Network 6713 106 103 12 Itissalat Al-MAGHRIB 2905 75 155 67 The Internetworking Company o 24835 62 50 7 RAYA Telecom - Egypt 20928 58 16 2 Noor Advanced Technologies AS 5713 43 294 35 Telkom SA Ltd 11845 38 9 11 Data Pro Business Online 15706 31 8 3 Sudatel Internet Exchange Aut 33774 30 7 21 AS Number for Telecom Algeria 12455 26 6 3 Jambonet Autonomous system 23889 26 8 11 MAURITIUS TELECOM 8524 25 1 4 AUCEGYPT Autonomous System 16637 23 10 21 Johnnic e-Ventures 10798 22 1 13 Standard Bank of South Africa 21280 22 4 4 Swift Global Kenya Ltd.Is an 8346 20 13 17 SONATEL-AS Autonomous System

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

ASN No of nets Net Savings Description 4323 1226 992 Time Warner Telecom 18566 918 910 Covad Communications 9583 866 850 Sify Limited 4755 874 803 Videsh Sanchar Nigam Ltd. Aut 4134 988 780 CHINANET-BACKBONE 721 1002 698 DLA Systems Automation Center 19029 778 666 New Edge Networks 11492 636 616 Cable One 22773 639 599 Cox Communications, Inc. 6197 1002 535 BellSouth Network Solutions, 19916 563 509 OLM LLC 17488 516 509 Hathway IP Over Cable Interne 19262 663 506 Verizon Global Networks 855 566 502 Canadian Research Network 5668 520 495 CenturyTel Internet Holdings, 9498 560 488 BHARTI BT INTERNET LTD. 7757 471 452 AT&T Broadband 7545 519 450 TPG Internet Pty Ltd 3602 531 422 Sprint Canada, Inc. 812 438 410 Rogers WAVE

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

Bad AS Designation Network Transit AS Description 35650 UNALLOCATED 87.117.64.0/18 16238 AS for Coulomb 65005 PRIVATE 159.153.148.0/22 24989 IX Europe Frankfurt 65505 PRIVATE 206.252.200.192/27 8002 Stealth Communicatio 65518 PRIVATE 211.144.192.0/19 24421 *

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 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 /8:18 /9:9 /10:8 /11:25 /12:87 /13:198 /14:352 /15:694 /16:8738 /17:3109 /18:5134 /19:11395 /20:12782 /21:10930 /22:14045 /23:15249 /24:100017 /25:355 /26:235 /27:210 /28:67 /29:25 /30:32 /31:0 /32:32

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

ASN No of nets Total ann. Description 18566 901 918 Covad Communications 6197 793 1002 BellSouth Network Solutions, 7018 790 1499 AT&T WorldNet Services 19029 706 778 New Edge Networks 9583 685 866 Sify Limited 11492 627 636 Cable One 2386 594 870 AT&T Data Communications Serv 4323 592 1226 Time Warner Telecom 19916 557 563 OLM LLC 7011 512 598 Citizens Utilities 4766 486 677 Korea Telecom (KIX) 7757 453 471 AT&T Broadband 6198 444 584 BellSouth Network Solutions, 855 440 566 Canadian Research Network 5668 402 520 CenturyTel Internet Holdings, 1239 376 852 Sprint 702 365 581 UUNET - Commercial IP service 15270 352 382 PaeTec.net -a division of Pae 6517 347 376 Yipes Communications, Inc. 22773 335 639 Cox Communications, Inc.

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

4:3 8:38 12:1629 13:1 15:12 16:3 17:3 18:4 20:43 24:871 25:1 30:2 32:65 38:205 40:54 44:3 47:6 52:4 55:1 56:3 57:34 58:117 59:172 60:163 61:820 62:784 63:1899 64:3118 65:2210 66:3082 67:609 68:678 69:1443 70:307 71:59 72:642 73:23 74:22 80:768 81:614 82:530 83:333 84:338 85:468 86:371 87:234 88:33 89:66 124:185 125:271 128:157 129:173 130:102 131:319 132:31 133:8 134:146 135:47 136:174 137:65 138:140 139:74 140:481 141:136 142:414 143:156 144:229 145:39 146:310 147:134 148:330 149:185 150:118 151:78 152:65 153:102 154:6 155:194 156:94 157:120 158:163 159:164 160:87 161:71 162:229 163:143 164:178 165:173 166:151 167:240 168:474 169:140 170:323 171:12 172:1 190:37 192:5760 193:3410 194:2527 195:1765 196:784 198:3888 199:3262 200:4167 201:613 202:6529 203:6902 204:3917 205:2088 206:2419 207:2919 208:2024 209:3767 210:1967 211:821 212:1242 213:1474 214:339 215:42 216:4113 217:1163 218:239 219:165 220:650 221:350 222:154

End of report