Orbit

Routing Table Report 04:00 +10GMT Wed 05 Apr, 2006

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

BGP routing table entries examined: 185618 Prefixes after maximum aggregation: 102766 Unique aggregates announced to Internet: 89835 Total ASes present in the Internet Routing Table: 21885 Origin-only ASes present in the Internet Routing Table: 19026 Origin ASes announcing only one prefix: 9055 Transit ASes present in the Internet Routing Table: 2859 Transit-only ASes present in the Internet Routing Table: 68 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 24 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: 10 Number of addresses announced to Internet: 1501208416 Equivalent to 89 /8s, 122 /16s and 159 /24s Percentage of available address space announced: 40.5 Percentage of allocated address space announced: 59.8 Percentage of available address space allocated: 67.8 Total number of prefixes smaller than registry allocations: 91124

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

Prefixes being announced by APNIC Region ASes: 39042 Total APNIC prefixes after maximum aggregation: 16352 Prefixes being announced from the APNIC address blocks: 36751 Unique aggregates announced from the APNIC address blocks: 17293 APNIC Region origin ASes present in the Internet Routing Table: 2532 APNIC Region origin ASes announcing only one prefix: 719 APNIC Region transit ASes present in the Internet Routing Table: 388 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 220673504 Equivalent to 13 /8s, 39 /16s and 53 /24s Percentage of available APNIC address space announced: 69.0

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: 96973 Total ARIN prefixes after maximum aggregation: 57264 Prefixes being announced from the ARIN address blocks: 76051 Unique aggregates announced from the ARIN address blocks: 29070 ARIN Region origin ASes present in the Internet Routing Table: 10621 ARIN Region origin ASes announcing only one prefix: 3970 ARIN Region transit ASes present in the Internet Routing Table: 975 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 293582080 Equivalent to 17 /8s, 127 /16s and 181 /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: 36837 Total RIPE prefixes after maximum aggregation: 24675 Prefixes being announced from the RIPE address blocks: 33880 Unique aggregates announced from the RIPE address blocks: 22880 RIPE Region origin ASes present in the Internet Routing Table: 7834 RIPE Region origin ASes announcing only one prefix: 4098 RIPE Region transit ASes present in the Internet Routing Table: 1304 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 243218048 Equivalent to 14 /8s, 127 /16s and 54 /24s Percentage of available RIPE address space announced: 72.5

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 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: 10652 Total LACNIC prefixes after maximum aggregation: 3585 Prefixes being announced from the LACNIC address blocks: 8815 Unique aggregates announced from the LACNIC address blocks: 5255 LACNIC Region origin ASes present in the Internet Routing Table: 680 LACNIC Region origin ASes announcing only one prefix: 222 LACNIC Region transit ASes present in the Internet Routing Table: 126 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 26238720 Equivalent to 1 /8s, 144 /16s and 95 /24s Percentage of available LACNIC address space announced: 39.1

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: 2105 Total AfriNIC prefixes after maximum aggregation: 890 Prefixes being announced from the AfriNIC address blocks: 1436 Unique aggregates announced from the AfriNIC address blocks: 916 AfriNIC Region origin ASes present in the Internet Routing Table: 152 AfriNIC Region origin ASes announcing only one prefix: 46 AfriNIC Region transit ASes present in the Internet Routing Table: 24 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 4033280 Equivalent to 0 /8s, 61 /16s and 139 /24s Percentage of available AfriNIC address space announced: 12.0

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 891 259 69 Videsh Sanchar Nigam Ltd. Aut 9583 875 109 16 Sify Limited 4766 678 3923 304 Korea Telecom (KIX) 1221 623 1556 477 Telstra Pty Ltd 9498 564 212 72 BHARTI BT INTERNET LTD. 7545 531 108 71 TPG Internet Pty Ltd 17488 502 31 7 Hathway IP Over Cable Interne 17676 484 6997 107 Softbank BB Corp. 9443 416 94 86 Primus Telecommunications 4802 376 77 171 Wantree Development 17974 340 118 25 PT TELEKOMUNIKASI INDONESIA 2907 336 1749 312 SINET Japan 18101 326 68 23 Reliance Infocom Ltd Internet 17557 321 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 9837 269 77 165 Powertel Ltd 9800 267 410 67 CHINA UNICOM

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

ASN No of nets /20 equiv MaxAgg Description 7018 1505 6257 964 AT&T WorldNet Services 4323 1253 715 249 Time Warner Telecom 721 1010 21962 307 DLA Systems Automation Center 6197 1008 614 476 BellSouth Network Solutions, 174 955 5783 902 Cogent Communications 701 939 8048 774 UUNET Technologies, Inc. 18566 925 272 8 Covad Communications 2386 870 521 663 AT&T Data Communications Serv 1239 854 2804 607 Sprint 19029 781 151 109 New Edge Networks 209 708 3613 552 Qwest 20115 673 591 362 Charter Communications 19262 667 1968 156 Verizon Global Networks 22773 644 1484 41 Cox Communications, Inc. 11492 627 86 20 Cable One 7011 623 213 404 Citizens Utilities 6198 586 526 234 BellSouth Network Solutions, 852 584 1089 387 Telus Advanced Communications 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 702 585 1951 458 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 3476 234 Deutsche Telekom AG 680 245 2025 242 DFN-IP service G-WiN 3246 232 488 222 Song Networks 6746 231 89 205 Dynamic Network Technologies, 8708 215 275 200 Romania Data Systems S.A. 8551 201 197 27 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 8866 175 37 15 Bulgarian Telecommunication C 9121 174 931 26 TTnet Autonomous System 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 595 1051 225 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. 10481 181 72 8 Prima 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 123 8 32 Telconet 21826 123 16 20 INTERCABLE 6503 122 149 75 AVANTEL, S.A. 14259 113 10 12 GTD Internet S.A. 6505 106 88 78 Global One Communicaoes Ltda 23216 101 21 8 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

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

ASN No of nets /20 equiv MaxAgg Description 3741 277 803 232 The Internet Solution 8452 165 60 7 TEDATA 6713 145 135 11 Itissalat Al-MAGHRIB 15475 129 84 4 Nile Online 2018 124 314 105 Tertiary Education Network 5536 121 8 18 Internet Egypt Network 24835 114 50 7 RAYA Telecom - Egypt 2905 74 155 67 The Internetworking Company o 20928 57 16 2 Noor Advanced Technologies AS 12455 45 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 1253 1004 Time Warner Telecom 18566 925 917 Covad Communications 9583 875 859 Sify Limited 4755 891 822 Videsh Sanchar Nigam Ltd. Aut 4134 1012 798 CHINANET-BACKBONE 721 1010 703 DLA Systems Automation Center 19029 781 672 New Edge Networks 11492 627 607 Cable One 22773 644 603 Cox Communications, Inc. 6197 1008 532 BellSouth Network Solutions, 19262 667 511 Verizon Global Networks 19916 563 509 OLM LLC 5668 532 502 CenturyTel Internet Holdings, 17488 502 495 Hathway IP Over Cable Interne 9498 564 492 BHARTI BT INTERNET LTD. 855 546 482 Canadian Research Network 7545 531 460 TPG Internet Pty Ltd 7757 474 455 AT&T Broadband 3602 539 430 Sprint Canada, Inc. 17676 484 377 Softbank BB Corp.

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 192.84.205.0/24 719 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 /11:27 /12:88 /13:199 /14:357 /15:692 /16:8771 /17:3158 /18:5206 /19:11479 /20:12907 /21:11143 /22:14264 /23:15406 /24:100872 /25:347 /26:248 /27:220 /28:64 /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 798 1505 AT&T WorldNet Services 6197 797 1008 BellSouth Network Solutions, 19029 713 781 New Edge Networks 9583 695 875 Sify Limited 11492 618 627 Cable One 4323 605 1253 Time Warner Telecom 2386 595 870 AT&T Data Communications Serv 19916 557 563 OLM LLC 7011 535 623 Citizens Utilities 4766 487 678 Korea Telecom (KIX) 7757 456 474 AT&T Broadband 6198 441 586 BellSouth Network Solutions, 855 420 546 Canadian Research Network 5668 412 532 CenturyTel Internet Holdings, 1239 379 854 Sprint 702 366 585 UUNET - Commercial IP service 15270 365 395 PaeTec.net -a division of Pae 6517 349 378 Yipes Communications, Inc. 22773 337 644 Cox Communications, Inc.

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

4:3 8:40 12:1622 13:1 15:11 16:3 17:3 18:4 20:43 24:882 25:1 30:2 32:67 38:209 40:54 44:3 45:3 47:6 52:4 55:1 56:3 57:33 58:155 59:192 60:180 61:840 62:823 63:1915 64:3127 65:2229 66:3094 67:615 68:683 69:1436 70:321 71:75 72:666 73:23 74:28 80:761 81:613 82:550 83:373 84:375 85:509 86:339 87:286 88:50 89:115 124:202 125:287 128:160 129:177 130:107 131:317 132:33 133:8 134:150 135:47 136:177 137:69 138:199 139:68 140:467 141:134 142:393 143:160 144:230 145:40 146:322 147:132 148:339 149:190 150:114 151:80 152:65 153:107 154:6 155:196 156:99 157:122 158:165 159:171 160:85 161:69 162:252 163:146 164:179 165:183 166:166 167:241 168:478 169:133 170:329 171:12 172:1 183:1 190:51 192:5774 193:3402 194:2559 195:1787 196:836 198:3876 199:3264 200:4258 201:706 202:6541 203:6911 204:3951 205:2090 206:2425 207:2928 208:2039 209:3717 210:1920 211:737 212:1244 213:1445 214:336 215:41 216:4091 217:1176 218:240 219:176 220:655 221:355 222:162

End of report