Orbit

Routing Table Report 04:00 +10GMT Fri 17 Mar, 2006

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

BGP routing table entries examined: 184215 Prefixes after maximum aggregation: 102276 Unique aggregates announced to Internet: 89819 Total ASes present in the Internet Routing Table: 21759 Origin-only ASes present in the Internet Routing Table: 18906 Origin ASes announcing only one prefix: 8983 Transit ASes present in the Internet Routing Table: 2853 Transit-only ASes present in the Internet Routing Table: 70 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: 1510822816 Equivalent to 90 /8s, 13 /16s and 83 /24s Percentage of available address space announced: 40.8 Percentage of allocated address space announced: 60.1 Percentage of available address space allocated: 67.8 Total number of prefixes smaller than registry allocations: 90104

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

Prefixes being announced by APNIC Region ASes: 38822 Total APNIC prefixes after maximum aggregation: 16354 Prefixes being announced from the APNIC address blocks: 36560 Unique aggregates announced from the APNIC address blocks: 17796 APNIC Region origin ASes present in the Internet Routing Table: 2503 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: 217572320 Equivalent to 12 /8s, 247 /16s and 227 /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: 96484 Total ARIN prefixes after maximum aggregation: 57031 Prefixes being announced from the ARIN address blocks: 75669 Unique aggregates announced from the ARIN address blocks: 28895 ARIN Region origin ASes present in the Internet Routing Table: 10588 ARIN Region origin ASes announcing only one prefix: 3950 ARIN Region transit ASes present in the Internet Routing Table: 973 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 291263488 Equivalent to 17 /8s, 92 /16s and 84 /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: 36535 Total RIPE prefixes after maximum aggregation: 24466 Prefixes being announced from the RIPE address blocks: 33555 Unique aggregates announced from the RIPE address blocks: 22702 RIPE Region origin ASes present in the Internet Routing Table: 7774 RIPE Region origin ASes announcing only one prefix: 4070 RIPE Region transit ASes present in the Internet Routing Table: 1302 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 242110464 Equivalent to 14 /8s, 110 /16s and 80 /24s Percentage of available RIPE address space announced: 72.2

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: 10371 Total LACNIC prefixes after maximum aggregation: 3533 Prefixes being announced from the LACNIC address blocks: 8536 Unique aggregates announced from the LACNIC address blocks: 5160 LACNIC Region origin ASes present in the Internet Routing Table: 677 LACNIC Region origin ASes announcing only one prefix: 218 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: 29 Number of LACNIC addresses announced to Internet: 25873664 Equivalent to 1 /8s, 138 /16s and 205 /24s Percentage of available LACNIC address space announced: 38.6

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: 1995 Total AfriNIC prefixes after maximum aggregation: 892 Prefixes being announced from the AfriNIC address blocks: 1380 Unique aggregates announced from the AfriNIC address blocks: 911 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: 23 Average AfriNIC Region AS path length visible: 4.4 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 3929088 Equivalent to 0 /8s, 59 /16s and 244 /24s Percentage of available AfriNIC address space announced: 11.7

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 990 6937 210 CHINANET-BACKBONE 4755 874 258 71 Videsh Sanchar Nigam Ltd. Aut 9583 867 109 16 Sify Limited 4766 677 3923 302 Korea Telecom (KIX) 1221 653 1428 471 Telstra Pty Ltd 9498 559 212 72 BHARTI BT INTERNET LTD. 7545 519 108 70 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 370 75 165 Wantree Development 18101 340 68 23 Reliance Infocom Ltd Internet 2907 336 1749 312 SINET Japan 9929 333 218 53 China Netcom Corp. 17974 332 89 32 PT TELEKOMUNIKASI INDONESIA 17557 319 25 162 Pakistan Telecom 17849 314 20 103 Telecommunications Technology 7474 304 211 232 SingTel Optus Pty Ltd 9837 272 78 168 Powertel Ltd 9800 267 410 67 CHINA UNICOM

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

ASN No of nets /20 equiv MaxAgg Description 7018 1497 6248 963 AT&T WorldNet Services 4323 1230 713 237 Time Warner Telecom 721 1010 21946 307 DLA Systems Automation Center 6197 1004 619 468 BellSouth Network Solutions, 174 972 5783 918 Cogent Communications 701 944 8064 782 UUNET Technologies, Inc. 18566 920 272 8 Covad Communications 2386 870 520 662 AT&T Data Communications Serv 1239 855 2789 603 Sprint 19029 771 151 106 New Edge Networks 209 697 3608 541 Qwest 20115 670 586 360 Charter Communications 19262 664 1955 153 Verizon Global Networks 22773 641 1480 40 Cox Communications, Inc. 11492 624 86 20 Cable One 7011 602 209 391 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 702 583 1951 458 UUNET - Commercial IP service 3352 307 1564 31 Ibernet, Internet Access Netw 3301 306 1071 291 TeliaNet Sweden 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 88 198 Dynamic Network Technologies, 8708 219 276 203 Romania Data Systems S.A. 8551 203 197 24 Bezeq International 1257 197 710 172 SWIPnet Swedish IP Network 24863 197 40 9 LINKdotNET AS number 3269 191 2037 73 TELECOM ITALIA 3215 183 1518 86 France Telecom Transpac 786 173 1794 173 The JANET IP Service 8866 169 37 13 Bulgarian Telecommunication C 5400 167 328 136 BT Ignite European Backbone 6830 166 765 35 UPC Distribution Services 9121 162 931 27 TTnet Autonomous System 5515 161 839 120 Sonera Solution Autonomous Sy

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 372 142 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 6503 125 149 78 AVANTEL, S.A. 19169 123 8 33 Telconet 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 162 60 7 TEDATA 6713 145 135 11 Itissalat Al-MAGHRIB 2018 124 314 105 Tertiary Education Network 5536 122 8 18 Internet Egypt Network 15475 116 84 4 Nile Online 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 30988 18 1 2 Accelon Nigeria Limited

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

ASN No of nets Net Savings Description 4323 1230 993 Time Warner Telecom 18566 920 912 Covad Communications 9583 867 851 Sify Limited 4755 874 803 Videsh Sanchar Nigam Ltd. Aut 4134 990 780 CHINANET-BACKBONE 721 1010 703 DLA Systems Automation Center 19029 771 665 New Edge Networks 11492 624 604 Cable One 22773 641 601 Cox Communications, Inc. 6197 1004 536 BellSouth Network Solutions, 19262 664 511 Verizon Global Networks 19916 563 509 OLM LLC 17488 516 509 Hathway IP Over Cable Interne 9498 559 487 BHARTI BT INTERNET LTD. 855 545 481 Canadian Research Network 5668 509 472 CenturyTel Internet Holdings, 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 24294 UNALLOCATED 202.173.112.0/20 2514 NTT PC Communication 65505 PRIVATE 206.252.200.192/27 8002 Stealth Communicatio

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 /14:353 /15:695 /16:8747 /17:3116 /18:5146 /19:11417 /20:12826 /21:10949 /22:14129 /23:15293 /24:100231 /25:359 /26:241 /27:212 /28:66 /29:25 /30:33 /31:0 /32:32

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

ASN No of nets Total ann. Description 18566 903 920 Covad Communications 6197 794 1004 BellSouth Network Solutions, 7018 792 1497 AT&T WorldNet Services 19029 704 771 New Edge Networks 9583 686 867 Sify Limited 11492 615 624 Cable One 2386 594 870 AT&T Data Communications Serv 4323 593 1230 Time Warner Telecom 19916 557 563 OLM LLC 7011 516 602 Citizens Utilities 4766 486 677 Korea Telecom (KIX) 7757 455 473 AT&T Broadband 6198 440 580 BellSouth Network Solutions, 855 419 545 Canadian Research Network 5668 392 509 CenturyTel Internet Holdings, 1239 380 855 Sprint 702 367 583 UUNET - Commercial IP service 15270 353 383 PaeTec.net -a division of Pae 6517 346 375 Yipes Communications, Inc. 22773 336 641 Cox Communications, Inc.

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

4:3 8:38 12:1620 13:1 15:12 16:3 17:3 18:4 20:43 24:866 25:1 30:2 32:67 38:205 40:54 44:3 47:6 52:4 55:1 56:3 57:33 58:134 59:170 60:179 61:818 62:791 63:1908 64:3110 65:2221 66:3078 67:611 68:678 69:1415 70:311 71:59 72:641 73:23 74:22 80:751 81:598 82:535 83:360 84:340 85:469 86:374 87:256 88:43 89:71 124:185 125:252 128:162 129:174 130:102 131:319 132:33 133:8 134:147 135:47 136:175 137:65 138:191 139:57 140:486 141:137 142:393 143:156 144:230 145:40 146:310 147:134 148:338 149:187 150:114 151:78 152:64 153:106 154:6 155:194 156:94 157:120 158:164 159:167 160:88 161:73 162:228 163:143 164:179 165:175 166:152 167:240 168:478 169:140 170:320 171:12 172:1 190:39 192:5771 193:3399 194:2545 195:1779 196:797 198:3880 199:3259 200:4230 201:648 202:6540 203:6891 204:3933 205:2089 206:2417 207:2930 208:2020 209:3741 210:1935 211:817 212:1273 213:1479 214:342 215:42 216:4089 217:1157 218:240 219:179 220:659 221:351 222:158

End of report