Orbit

Routing Table Report 04:00 +10GMT Thu 16 Mar, 2006

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

BGP routing table entries examined: 184163 Prefixes after maximum aggregation: 102191 Unique aggregates announced to Internet: 88815 Total ASes present in the Internet Routing Table: 21751 Origin-only ASes present in the Internet Routing Table: 18899 Origin ASes announcing only one prefix: 8987 Transit ASes present in the Internet Routing Table: 2852 Transit-only ASes present in the Internet Routing Table: 71 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: 3 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 11 Number of addresses announced to Internet: 1512173728 Equivalent to 90 /8s, 33 /16s and 240 /24s Percentage of available address space announced: 40.8 Percentage of allocated address space announced: 60.2 Percentage of available address space allocated: 67.8 Total number of prefixes smaller than registry allocations: 90086

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

Prefixes being announced by APNIC Region ASes: 38840 Total APNIC prefixes after maximum aggregation: 16335 Prefixes being announced from the APNIC address blocks: 36570 Unique aggregates announced from the APNIC address blocks: 17777 APNIC Region origin ASes present in the Internet Routing Table: 2502 APNIC Region origin ASes announcing only one prefix: 702 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: 17 Number of APNIC addresses announced to Internet: 217420000 Equivalent to 12 /8s, 245 /16s and 144 /24s Percentage of available APNIC address space announced: 68.0

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: 96495 Total ARIN prefixes after maximum aggregation: 56987 Prefixes being announced from the ARIN address blocks: 75712 Unique aggregates announced from the ARIN address blocks: 28842 ARIN Region origin ASes present in the Internet Routing Table: 10587 ARIN Region origin ASes announcing only one prefix: 3952 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: 291218688 Equivalent to 17 /8s, 91 /16s and 165 /24s Percentage of available ARIN address space announced: 72.3

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: 36493 Total RIPE prefixes after maximum aggregation: 24457 Prefixes being announced from the RIPE address blocks: 33513 Unique aggregates announced from the RIPE address blocks: 21782 RIPE Region origin ASes present in the Internet Routing Table: 7768 RIPE Region origin ASes announcing only one prefix: 4072 RIPE Region transit ASes present in the Internet Routing Table: 1298 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 243576576 Equivalent to 14 /8s, 132 /16s and 175 /24s Percentage of available RIPE address space announced: 72.6

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: 10374 Total LACNIC prefixes after maximum aggregation: 3529 Prefixes being announced from the LACNIC address blocks: 8538 Unique aggregates announced from the LACNIC address blocks: 5159 LACNIC Region origin ASes present in the Internet Routing Table: 678 LACNIC Region origin ASes announcing only one prefix: 219 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: 25836288 Equivalent to 1 /8s, 138 /16s and 59 /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: 1952 Total AfriNIC prefixes after maximum aggregation: 883 Prefixes being announced from the AfriNIC address blocks: 1323 Unique aggregates announced from the AfriNIC address blocks: 903 AfriNIC Region origin ASes present in the Internet Routing Table: 147 AfriNIC Region origin ASes announcing only one prefix: 42 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: 16 Number of AfriNIC addresses announced to Internet: 3792640 Equivalent to 0 /8s, 57 /16s and 223 /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 867 109 16 Sify Limited 4766 678 3923 301 Korea Telecom (KIX) 1221 652 1428 470 Telstra Pty Ltd 9498 559 212 72 BHARTI BT INTERNET LTD. 7545 519 108 70 TPG Internet Pty Ltd 17488 515 31 7 Hathway IP Over Cable Interne 17676 484 6997 107 Softbank BB Corp. 9443 414 95 82 Primus Telecommunications 4802 370 75 165 Wantree Development 2907 335 1749 313 SINET Japan 17974 333 89 32 PT TELEKOMUNIKASI INDONESIA 18101 333 68 23 Reliance Infocom Ltd Internet 9929 331 216 52 China Netcom Corp. 17557 319 25 162 Pakistan Telecom 17849 315 20 104 Telecommunications Technology 7474 305 211 232 SingTel Optus Pty Ltd 4780 279 226 16 Digital United Inc. 9837 272 78 168 Powertel Ltd

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

ASN No of nets /20 equiv MaxAgg Description 7018 1494 6263 965 AT&T WorldNet Services 4323 1228 712 236 Time Warner Telecom 721 1010 21962 308 DLA Systems Automation Center 6197 1004 619 468 BellSouth Network Solutions, 174 976 5784 921 Cogent Communications 701 946 8064 782 UUNET Technologies, Inc. 18566 919 272 8 Covad Communications 2386 870 520 662 AT&T Data Communications Serv 1239 853 2789 601 Sprint 19029 778 152 112 New Edge Networks 209 697 3608 541 Qwest 20115 671 586 361 Charter Communications 19262 663 1939 152 Verizon Global Networks 22773 640 1480 40 Cox Communications, Inc. 11492 636 86 20 Cable One 7011 601 209 391 Citizens Utilities 6198 580 502 238 BellSouth Network Solutions, 852 577 1088 383 Telus Advanced Communications 19916 563 49 54 OLM LLC 855 545 244 64 Canadian Research Network

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 289 473 268 COLT Telecommunications 3320 280 3477 232 Deutsche Telekom AG 680 244 2025 241 DFN-IP service G-WiN 3246 231 488 221 Song Networks 6746 225 88 197 Dynamic Network Technologies, 8708 219 276 203 Romania Data Systems S.A. 8551 202 197 24 Bezeq International 1257 197 710 172 SWIPnet Swedish IP Network 24863 194 40 9 LINKdotNET AS number 3269 191 2037 73 TELECOM ITALIA 3215 183 1518 86 France Telecom Transpac 5515 177 839 124 Sonera Solution Autonomous Sy 786 173 1794 173 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 596 1050 225 UniNet S.A. de C.V. 22047 383 142 10 VTR PUNTO NET S.A. 11172 313 111 80 Servicios Alestra S.A de C.V 16814 289 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 132 80 4 Cable-Wireless Panama 5639 127 12 9 Telecommunications Services o 19169 124 8 30 Telconet 6503 123 149 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 25620 96 6 3 COTAS LTDA 19429 95 52 42 E.T.B.

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

ASN No of nets /20 equiv MaxAgg Description 3741 277 803 233 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 74 155 67 The Internetworking Company o 24835 62 50 7 RAYA Telecom - Egypt 20928 58 16 2 Noor Advanced Technologies AS 5713 39 294 35 Telkom SA Ltd 15706 31 8 3 Sudatel Internet Exchange Aut 33774 29 7 20 AS Number for Telecom Algeria 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 8346 20 13 17 SONATEL-AS Autonomous System 2561 19 6 2 Egyptian Universities Network 21280 19 4 4 Swift Global Kenya Ltd.Is an 15804 18 2 1 AS of The Way Out Internet So

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

ASN No of nets Net Savings Description 4323 1228 992 Time Warner Telecom 18566 919 911 Covad Communications 9583 867 851 Sify Limited 4755 874 803 Videsh Sanchar Nigam Ltd. Aut 4134 988 780 CHINANET-BACKBONE 721 1010 702 DLA Systems Automation Center 19029 778 666 New Edge Networks 11492 636 616 Cable One 22773 640 600 Cox Communications, Inc. 6197 1004 536 BellSouth Network Solutions, 19262 663 511 Verizon Global Networks 19916 563 509 OLM LLC 17488 515 508 Hathway IP Over Cable Interne 5668 522 497 CenturyTel Internet Holdings, 9498 559 487 BHARTI BT INTERNET LTD. 855 545 481 Canadian Research Network 7757 473 454 AT&T Broadband 7545 519 449 TPG Internet Pty Ltd 3602 536 427 Sprint Canada, Inc. 812 438 410 Rogers WAVE

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

Bad AS Designation Network Transit AS Description 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 SHANGHAI NETWORK ACC

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 /8:19 /9:9 /10:8 /11:25 /12:87 /13:198 /14:353 /15:695 /16:8746 /17:3110 /18:5149 /19:11421 /20:12791 /21:10942 /22:14096 /23:15274 /24:100271 /25:358 /26:241 /27:213 /28:67 /29:25 /30:33 /31:0 /32:32

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

ASN No of nets Total ann. Description 18566 902 919 Covad Communications 6197 794 1004 BellSouth Network Solutions, 7018 790 1494 AT&T WorldNet Services 19029 706 778 New Edge Networks 9583 686 867 Sify Limited 11492 627 636 Cable One 2386 594 870 AT&T Data Communications Serv 4323 593 1228 Time Warner Telecom 19916 557 563 OLM LLC 7011 515 601 Citizens Utilities 4766 487 678 Korea Telecom (KIX) 7757 455 473 AT&T Broadband 6198 440 580 BellSouth Network Solutions, 855 419 545 Canadian Research Network 5668 403 522 CenturyTel Internet Holdings, 1239 377 853 Sprint 702 365 581 UUNET - Commercial IP service 15270 353 383 PaeTec.net -a division of Pae 6517 346 375 Yipes Communications, Inc. 22773 335 640 Cox Communications, Inc.

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

4:3 8:38 12:1621 13:1 15:12 16:3 17:3 18:4 20:43 24:873 25:1 30:2 32:67 38:205 40:54 44:3 47:6 52:4 55:1 56:3 57:33 58:135 59:170 60:178 61:815 62:790 63:1902 64:3120 65:2224 66:3087 67:610 68:678 69:1440 70:310 71:59 72:644 73:23 74:22 80:752 81:592 82:529 83:356 84:340 85:462 86:374 87:242 88:41 89:70 124:185 125:272 128:160 129:174 130:102 131:319 132:33 133:8 134:147 135:47 136:175 137:65 138:190 139:73 140:484 141:137 142:393 143:156 144:230 145:39 146:310 147:134 148:336 149:187 150:111 151:78 152:64 153:105 154:6 155:194 156:94 157:119 158:164 159:166 160:88 161:73 162:228 163:144 164:179 165:175 166:152 167:240 168:476 169:140 170:319 171:12 172:1 190:39 192:5768 193:3413 194:2545 195:1754 196:788 198:3880 199:3257 200:4222 201:647 202:6539 203:6913 204:3921 205:2093 206:2421 207:2924 208:2027 209:3754 210:1949 211:821 212:1269 213:1484 214:341 215:42 216:4103 217:1166 218:240 219:163 220:653 221:348 222:158

End of report