Orbit

Routing Table Report 04:00 +10GMT Thu 06 Apr, 2006

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

BGP routing table entries examined: 185642 Prefixes after maximum aggregation: 102846 Unique aggregates announced to Internet: 90648 Total ASes present in the Internet Routing Table: 21888 Origin-only ASes present in the Internet Routing Table: 19025 Origin ASes announcing only one prefix: 9059 Transit ASes present in the Internet Routing Table: 2863 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: 19 Prefixes from unregistered ASNs in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 10 Number of addresses announced to Internet: 1501710688 Equivalent to 89 /8s, 130 /16s and 73 /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: 91178

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

Prefixes being announced by APNIC Region ASes: 38959 Total APNIC prefixes after maximum aggregation: 16339 Prefixes being announced from the APNIC address blocks: 36665 Unique aggregates announced from the APNIC address blocks: 18044 APNIC Region origin ASes present in the Internet Routing Table: 2530 APNIC Region origin ASes announcing only one prefix: 722 APNIC Region transit ASes present in the Internet Routing Table: 384 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 220956128 Equivalent to 13 /8s, 43 /16s and 133 /24s Percentage of available APNIC address space announced: 69.1

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: 97048 Total ARIN prefixes after maximum aggregation: 57331 Prefixes being announced from the ARIN address blocks: 76133 Unique aggregates announced from the ARIN address blocks: 29095 ARIN Region origin ASes present in the Internet Routing Table: 10624 ARIN Region origin ASes announcing only one prefix: 3975 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: 293787392 Equivalent to 17 /8s, 130 /16s and 215 /24s Percentage of available ARIN address space announced: 73.0

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: 36877 Total RIPE prefixes after maximum aggregation: 24703 Prefixes being announced from the RIPE address blocks: 33918 Unique aggregates announced from the RIPE address blocks: 22903 RIPE Region origin ASes present in the Internet Routing Table: 7835 RIPE Region origin ASes announcing only one prefix: 4091 RIPE Region transit ASes present in the Internet Routing Table: 1310 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 243274880 Equivalent to 14 /8s, 128 /16s and 20 /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: 10650 Total LACNIC prefixes after maximum aggregation: 3584 Prefixes being announced from the LACNIC address blocks: 8819 Unique aggregates announced from the LACNIC address blocks: 5265 LACNIC Region origin ASes present in the Internet Routing Table: 682 LACNIC Region origin ASes announcing only one prefix: 224 LACNIC Region transit ASes present in the Internet Routing Table: 126 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 26253056 Equivalent to 1 /8s, 144 /16s and 151 /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: 2098 Total AfriNIC prefixes after maximum aggregation: 889 Prefixes being announced from the AfriNIC address blocks: 1437 Unique aggregates announced from the AfriNIC address blocks: 919 AfriNIC Region origin ASes present in the Internet Routing Table: 152 AfriNIC Region origin ASes announcing only one prefix: 47 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: 15 Number of AfriNIC addresses announced to Internet: 4034048 Equivalent to 0 /8s, 61 /16s and 142 /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 893 259 69 Videsh Sanchar Nigam Ltd. Aut 9583 871 109 16 Sify Limited 4766 679 3923 305 Korea Telecom (KIX) 1221 623 1557 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 419 95 82 Primus Telecommunications 4802 376 77 171 Wantree Development 17974 342 118 25 PT TELEKOMUNIKASI INDONESIA 2907 336 1749 312 SINET Japan 18101 333 69 25 Reliance Infocom Ltd Internet 17557 321 27 165 Pakistan Telecom 17849 319 20 105 Telecommunications Technology 9929 317 220 55 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 1254 716 250 Time Warner Telecom 721 1009 21962 307 DLA Systems Automation Center 6197 1006 614 475 BellSouth Network Solutions, 174 955 5783 902 Cogent Communications 701 935 8048 775 UUNET Technologies, Inc. 18566 926 272 8 Covad Communications 2386 869 520 662 AT&T Data Communications Serv 1239 853 2804 606 Sprint 19029 781 151 109 New Edge Networks 209 709 3613 552 Qwest 20115 673 590 361 Charter Communications 19262 669 1977 156 Verizon Global Networks 22773 644 1484 41 Cox Communications, Inc. 11492 627 86 20 Cable One 7011 623 213 404 Citizens Utilities 6198 589 530 236 BellSouth Network Solutions, 852 584 1089 387 Telus Advanced Communications 19916 563 49 54 OLM LLC 855 552 244 64 Canadian Research Network

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

ASN No of nets /20 equiv MaxAgg Description 702 586 1951 459 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 227 89 201 Dynamic Network Technologies, 8708 215 275 200 Romania Data Systems S.A. 8551 202 198 24 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 598 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 189 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 21826 124 16 21 INTERCABLE 19169 123 8 32 Telconet 6503 122 149 74 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 44 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 1254 1004 Time Warner Telecom 18566 926 918 Covad Communications 9583 871 855 Sify Limited 4755 893 824 Videsh Sanchar Nigam Ltd. Aut 4134 1012 798 CHINANET-BACKBONE 721 1009 702 DLA Systems Automation Center 19029 781 672 New Edge Networks 11492 627 607 Cable One 22773 644 603 Cox Communications, Inc. 6197 1006 531 BellSouth Network Solutions, 19262 669 513 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. 855 552 488 Canadian Research Network 7545 531 460 TPG Internet Pty Ltd 7757 475 456 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 43144 UNALLOCATED 12.149.157.0/24 7018 AT&T WorldNet Servic 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 /8:17 /9:9 /10:8 /11:27 /12:88 /13:200 /14:357 /15:692 /16:8772 /17:3160 /18:5209 /19:11475 /20:12926 /21:11145 /22:14288 /23:15426 /24:100804 /25:363 /26:253 /27:224 /28:64 /29:68 /30:34 /31:0 /32:33

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

ASN No of nets Total ann. Description 18566 909 926 Covad Communications 7018 798 1505 AT&T WorldNet Services 6197 795 1006 BellSouth Network Solutions, 19029 713 781 New Edge Networks 9583 692 871 Sify Limited 11492 618 627 Cable One 4323 605 1254 Time Warner Telecom 2386 594 869 AT&T Data Communications Serv 19916 557 563 OLM LLC 7011 535 623 Citizens Utilities 4766 488 679 Korea Telecom (KIX) 7757 457 475 AT&T Broadband 6198 442 589 BellSouth Network Solutions, 855 426 552 Canadian Research Network 5668 412 532 CenturyTel Internet Holdings, 1239 378 853 Sprint 15270 368 398 PaeTec.net -a division of Pae 702 367 586 UUNET - Commercial IP service 6517 349 378 Yipes Communications, Inc. 22773 337 644 Cox Communications, Inc.

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

4:3 8:42 12:1624 13:1 15:12 16:3 17:3 18:4 20:43 24:882 25:1 30:2 32:67 38:209 40:54 44:3 45:5 47:6 52:4 55:1 56:3 57:33 58:149 59:192 60:178 61:840 62:815 63:1917 64:3125 65:2229 66:3099 67:620 68:683 69:1462 70:320 71:75 72:668 73:23 74:28 80:756 81:614 82:549 83:376 84:375 85:508 86:341 87:294 88:54 89:118 124:205 125:291 128:165 129:167 130:107 131:318 132:32 133:8 134:149 135:47 136:177 137:70 138:199 139:68 140:468 141:134 142:391 143:161 144:231 145:40 146:322 147:133 148:335 149:190 150:114 151:80 152:65 153:107 154:6 155:195 156:99 157:122 158:165 159:171 160:86 161:68 162:252 163:145 164:179 165:183 166:166 167:241 168:479 169:133 170:329 171:12 172:1 183:1 190:51 192:5762 193:3397 194:2567 195:1788 196:837 198:3875 199:3262 200:4254 201:708 202:6526 203:6907 204:3952 205:2088 206:2417 207:2926 208:2037 209:3720 210:1915 211:700 212:1241 213:1446 214:334 215:41 216:4092 217:1174 218:236 219:178 220:639 221:353 222:161

End of report