Orbit

Routing Table Report 04:00 +10GMT Sun 05 Feb, 2006

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

BGP routing table entries examined: 181432 Prefixes after maximum aggregation: 100837 Unique aggregates announced to Internet: 88056 Total ASes present in the Internet Routing Table: 21436 Origin-only ASes present in the Internet Routing Table: 18630 Origin ASes announcing only one prefix: 8846 Transit ASes present in the Internet Routing Table: 2806 Transit-only ASes present in the Internet Routing Table: 77 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 23 Prefixes from unregistered ASNs in the Routing Table: 1 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 11 Number of addresses announced to Internet: 1487157152 Equivalent to 88 /8s, 164 /16s and 55 /24s Percentage of available address space announced: 40.1 Percentage of allocated address space announced: 59.2 Percentage of available address space allocated: 67.8 Total number of prefixes smaller than registry allocations: 88481

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

Prefixes being announced by APNIC Region ASes: 37938 Total APNIC prefixes after maximum aggregation: 16034 Prefixes being announced from the APNIC address blocks: 35706 Unique aggregates announced from the APNIC address blocks: 17456 APNIC Region origin ASes present in the Internet Routing Table: 2462 APNIC Region origin ASes announcing only one prefix: 689 APNIC Region transit ASes present in the Internet Routing Table: 380 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 211739360 Equivalent to 12 /8s, 158 /16s and 226 /24s Percentage of available APNIC address space announced: 66.2

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: 95738 Total ARIN prefixes after maximum aggregation: 56465 Prefixes being announced from the ARIN address blocks: 75044 Unique aggregates announced from the ARIN address blocks: 28435 ARIN Region origin ASes present in the Internet Routing Table: 10482 ARIN Region origin ASes announcing only one prefix: 3918 ARIN Region transit ASes present in the Internet Routing Table: 969 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 286174208 Equivalent to 17 /8s, 14 /16s and 172 /24s Percentage of available ARIN address space announced: 71.1

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: 35562 Total RIPE prefixes after maximum aggregation: 23997 Prefixes being announced from the RIPE address blocks: 32592 Unique aggregates announced from the RIPE address blocks: 21945 RIPE Region origin ASes present in the Internet Routing Table: 7602 RIPE Region origin ASes announcing only one prefix: 3976 RIPE Region transit ASes present in the Internet Routing Table: 1266 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 230737024 Equivalent to 13 /8s, 192 /16s and 196 /24s Percentage of available RIPE address space announced: 68.8

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: 10325 Total LACNIC prefixes after maximum aggregation: 3466 Prefixes being announced from the LACNIC address blocks: 8524 Unique aggregates announced from the LACNIC address blocks: 5121 LACNIC Region origin ASes present in the Internet Routing Table: 668 LACNIC Region origin ASes announcing only one prefix: 219 LACNIC Region transit ASes present in the Internet Routing Table: 122 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 23 Number of LACNIC addresses announced to Internet: 25055488 Equivalent to 1 /8s, 126 /16s and 81 /24s Percentage of available LACNIC address space announced: 37.3

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: 1864 Total AfriNIC prefixes after maximum aggregation: 875 Prefixes being announced from the AfriNIC address blocks: 1226 Unique aggregates announced from the AfriNIC address blocks: 862 AfriNIC Region origin ASes present in the Internet Routing Table: 145 AfriNIC Region origin ASes announcing only one prefix: 44 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: 14 Number of AfriNIC addresses announced to Internet: 3038976 Equivalent to 0 /8s, 46 /16s and 95 /24s Percentage of available AfriNIC address space announced: 9.1

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 982 6462 204 CHINANET-BACKBONE 9583 849 109 15 Sify Limited 4755 801 258 64 Videsh Sanchar Nigam Ltd. Aut 4766 710 3927 301 Korea Telecom (KIX) 1221 668 1428 476 Telstra Pty Ltd 9498 522 211 71 BHARTI BT INTERNET LTD. 7545 512 108 68 TPG Internet Pty Ltd 17676 480 6949 104 Softbank BB Corp. 17488 450 27 7 Hathway IP Over Cable Interne 9443 411 94 85 Primus Telecommunications 4802 370 75 161 Wantree Development 2907 338 1763 315 SINET Japan 9929 335 218 50 China Netcom Corp. 7474 330 227 228 SingTel Optus Pty Ltd 18101 325 68 26 Reliance Infocom Ltd Internet 17974 316 77 37 PT TELEKOMUNIKASI INDONESIA 17557 311 25 161 Pakistan Telecom 4780 282 226 16 Digital United Inc. 9837 273 78 169 Powertel Ltd 9800 259 410 67 CHINA UNICOM

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

ASN No of nets /20 equiv MaxAgg Description 7018 1464 6263 947 AT&T WorldNet Services 4323 1211 720 238 Time Warner Telecom 174 1031 5789 944 Cogent Communications 721 1030 21970 310 DLA Systems Automation Center 6197 988 621 458 BellSouth Network Solutions, 19029 979 152 115 New Edge Networks 701 948 8064 791 UUNET Technologies, Inc. 18566 903 272 8 Covad Communications 2386 883 501 690 AT&T Data Communications Serv 1239 851 2792 611 Sprint 209 679 3605 536 Qwest 20115 677 565 355 Charter Communications 6198 635 449 238 BellSouth Network Solutions, 11492 628 81 12 Cable One 22773 618 1479 38 Cox Communications, Inc. 19262 612 1768 149 Verizon Global Networks 855 573 243 65 Canadian Research Network 852 572 1092 381 Telus Advanced Communications 19916 563 49 54 OLM LLC 3602 521 127 106 Sprint Canada, Inc.

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

ASN No of nets /20 equiv MaxAgg Description 702 590 1955 466 UUNET - Commercial IP service 3301 304 1071 290 TeliaNet Sweden 3352 303 1500 34 Ibernet, Internet Access Netw 3320 280 3477 234 Deutsche Telekom AG 8220 275 474 269 COLT Telecommunications 680 242 2025 239 DFN-IP service G-WiN 3246 228 487 219 Song Networks 8708 221 274 205 Romania Data Systems S.A. 6746 217 85 190 Dynamic Network Technologies, 1257 195 712 173 SWIPnet Swedish IP Network 3269 185 1925 70 TELECOM ITALIA 5515 177 840 125 Sonera Solution Autonomous Sy 8866 175 37 13 Bulgarian Telecommunication C 786 173 1794 173 The JANET IP Service 3215 169 1390 83 France Telecom Transpac 24863 169 38 9 LINKdotNET AS number 5400 167 328 137 BT Ignite European Backbone 3300 165 171 94 AUCS Communications Services 6830 160 669 33 UPC Distribution Services 12479 157 322 5 Uni2 Autonomous System

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

ASN No of nets /20 equiv MaxAgg Description 8151 569 1048 217 UniNet S.A. de C.V. 22047 383 142 10 VTR PUNTO NET S.A. 11172 304 110 77 Servicios Alestra S.A de C.V 16814 295 18 7 NSS, S.A. 13999 187 51 26 Mega Cable S.A. de C.V. 14117 184 11 6 Telefonica del Sur S.A. 7303 155 73 19 Telecom Argentina Stet-France 6147 154 126 22 Telefonica Del Peru 11556 130 64 3 Cable-Wireless Panama 19169 122 8 29 Telconet 10481 121 48 8 Prima S.A. 6503 117 148 77 AVANTEL, S.A. 21826 115 15 21 INTERCABLE 5639 112 12 9 Telecommunications Services o 6505 106 88 78 Global One Communicaoes Ltda 18822 99 8 10 TELEFONICA MANQUEHUE 7315 96 6 3 Grupo Rey Moreno 11311 95 8 23 Sinectis S.A. 4270 92 17 9 Red de Interconexion Universi 23216 91 23 10 RAMtelecom Telecomunicaciones

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

ASN No of nets /20 equiv MaxAgg Description 3741 279 819 234 The Internet Solution 8452 159 60 7 TEDATA 5536 123 8 15 Internet Egypt Network 2018 117 298 103 Tertiary Education Network 15475 102 84 4 Nile Online 2905 74 155 67 The Internetworking Company o 6713 67 71 10 Itissalat Al-MAGHRIB 20928 58 16 2 Noor Advanced Technologies AS 24835 55 34 6 RAYA Telecom - Egypt 5713 38 166 34 Telkom SA Ltd 33774 37 9 28 AS Number for Telecom Algeria 15706 31 8 3 Sudatel Internet Exchange Aut 12455 28 6 5 Jambonet Autonomous system 23889 25 7 10 MAURITIUS TELECOM 8524 23 1 4 AUCEGYPT Autonomous System 16637 23 10 21 Johnnic e-Ventures 10798 22 1 13 Standard Bank of South Africa 8346 21 14 18 SONATEL-AS Autonomous System 21280 21 4 4 Swift Global Kenya Ltd.Is an 12258 17 3 11 Vodacom Internet Company

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

ASN No of nets Net Savings Description 4323 1211 973 Time Warner Telecom 18566 903 895 Covad Communications 19029 979 864 New Edge Networks 9583 849 834 Sify Limited 4134 982 778 CHINANET-BACKBONE 4755 801 737 Videsh Sanchar Nigam Ltd. Aut 721 1030 720 DLA Systems Automation Center 11492 628 616 Cable One 22773 618 580 Cox Communications, Inc. 6197 988 530 BellSouth Network Solutions, 19916 563 509 OLM LLC 855 573 508 Canadian Research Network 5668 515 491 CenturyTel Internet Holdings, 19262 612 463 Verizon Global Networks 9498 522 451 BHARTI BT INTERNET LTD. 7545 512 444 TPG Internet Pty Ltd 17488 450 443 Hathway IP Over Cable Interne 7757 461 442 AT&T Broadband 3602 521 415 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

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 192.43.230.0/24 7575 Australian Academic and Rease 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 192.172.0.0/19 721 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 /11:20 /12:87 /13:199 /14:346 /15:688 /16:8681 /17:2995 /18:5031 /19:11254 /20:12450 /21:10845 /22:13865 /23:15094 /24:98835 /25:335 /26:287 /27:203 /28:61 /29:25 /30:54 /31:3 /32:39

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

ASN No of nets Total ann. Description 19029 901 979 New Edge Networks 18566 886 903 Covad Communications 6197 784 988 BellSouth Network Solutions, 7018 747 1464 AT&T WorldNet Services 9583 668 849 Sify Limited 11492 620 628 Cable One 2386 616 883 AT&T Data Communications Serv 4323 583 1211 Time Warner Telecom 19916 557 563 OLM LLC 4766 514 710 Korea Telecom (KIX) 6198 500 635 BellSouth Network Solutions, 855 445 573 Canadian Research Network 7757 443 461 AT&T Broadband 7011 415 483 Citizens Utilities 5668 402 515 CenturyTel Internet Holdings, 702 374 590 UUNET - Commercial IP service 1239 367 851 Sprint 6517 343 369 Yipes Communications, Inc. 15270 340 368 PaeTec.net -a division of Pae 22773 322 618 Cox Communications, Inc.

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

4:3 8:44 12:1631 13:1 15:12 16:3 17:3 18:4 20:43 24:859 25:1 30:2 32:66 38:195 40:54 44:3 47:3 52:4 55:1 56:3 57:33 58:117 59:167 60:179 61:828 62:769 63:1901 64:3060 65:2240 66:3064 67:576 68:668 69:1434 70:296 71:55 72:605 73:23 74:2 80:756 81:586 82:504 83:359 84:343 85:427 86:289 87:161 88:18 89:14 124:11 125:200 128:150 129:170 130:103 131:310 132:33 133:7 134:145 135:46 136:169 137:60 138:182 139:85 140:448 141:132 142:414 143:144 144:224 145:39 146:309 147:135 148:323 149:186 150:114 151:73 152:61 153:102 154:6 155:186 156:90 157:120 158:158 159:181 160:88 161:67 162:218 163:177 164:180 165:197 166:145 167:236 168:472 169:139 170:315 171:12 190:30 192:5760 193:3352 194:2491 195:1760 196:744 198:3895 199:3263 200:4245 201:574 202:6441 203:6771 204:3894 205:2102 206:2432 207:2926 208:1993 209:3842 210:1908 211:802 212:1283 213:1458 214:326 215:40 216:4077 217:1158 218:238 219:137 220:636 221:339 222:147

End of report