Orbit

Routing Table Report 04:00 +10GMT Tue 28 Mar, 2006

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

BGP routing table entries examined: 184831 Prefixes after maximum aggregation: 102501 Unique aggregates announced to Internet: 90104 Total ASes present in the Internet Routing Table: 21809 Origin-only ASes present in the Internet Routing Table: 18949 Origin ASes announcing only one prefix: 9025 Transit ASes present in the Internet Routing Table: 2860 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: 24 Prefixes from unregistered ASNs in the Routing Table: 10 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1515091168 Equivalent to 90 /8s, 78 /16s and 116 /24s Percentage of available address space announced: 40.9 Percentage of allocated address space announced: 60.3 Percentage of available address space allocated: 67.8 Total number of prefixes smaller than registry allocations: 90574

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

Prefixes being announced by APNIC Region ASes: 38926 Total APNIC prefixes after maximum aggregation: 16314 Prefixes being announced from the APNIC address blocks: 36644 Unique aggregates announced from the APNIC address blocks: 17947 APNIC Region origin ASes present in the Internet Routing Table: 2522 APNIC Region origin ASes announcing only one prefix: 716 APNIC Region transit ASes present in the Internet Routing Table: 390 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 219114976 Equivalent to 13 /8s, 15 /16s and 109 /24s Percentage of available APNIC address space announced: 68.5

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: 96644 Total ARIN prefixes after maximum aggregation: 57155 Prefixes being announced from the ARIN address blocks: 75812 Unique aggregates announced from the ARIN address blocks: 28938 ARIN Region origin ASes present in the Internet Routing Table: 10594 ARIN Region origin ASes announcing only one prefix: 3957 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: 293259520 Equivalent to 17 /8s, 122 /16s and 201 /24s Percentage of available ARIN address space announced: 72.8

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: 36699 Total RIPE prefixes after maximum aggregation: 24544 Prefixes being announced from the RIPE address blocks: 33760 Unique aggregates announced from the RIPE address blocks: 22754 RIPE Region origin ASes present in the Internet Routing Table: 7797 RIPE Region origin ASes announcing only one prefix: 4087 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: 242706304 Equivalent to 14 /8s, 119 /16s and 103 /24s Percentage of available RIPE address space announced: 72.3

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: 10527 Total LACNIC prefixes after maximum aggregation: 3601 Prefixes being announced from the LACNIC address blocks: 8706 Unique aggregates announced from the LACNIC address blocks: 5173 LACNIC Region origin ASes present in the Internet Routing Table: 678 LACNIC Region origin ASes announcing only one prefix: 220 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: 24 Number of LACNIC addresses announced to Internet: 26073344 Equivalent to 1 /8s, 141 /16s and 217 /24s Percentage of available LACNIC address space announced: 38.9

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: 2026 Total AfriNIC prefixes after maximum aggregation: 887 Prefixes being announced from the AfriNIC address blocks: 1369 Unique aggregates announced from the AfriNIC address blocks: 899 AfriNIC Region origin ASes present in the Internet Routing Table: 150 AfriNIC Region origin ASes announcing only one prefix: 45 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: 3945216 Equivalent to 0 /8s, 60 /16s and 51 /24s Percentage of available AfriNIC address space announced: 11.8

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 995 6949 212 CHINANET-BACKBONE 4755 891 259 69 Videsh Sanchar Nigam Ltd. Aut 9583 877 109 16 Sify Limited 4766 676 3923 301 Korea Telecom (KIX) 1221 619 1424 472 Telstra Pty Ltd 9498 559 212 72 BHARTI BT INTERNET LTD. 7545 525 108 71 TPG Internet Pty Ltd 17488 502 31 7 Hathway IP Over Cable Interne 17676 484 6997 107 Softbank BB Corp. 9443 414 95 82 Primus Telecommunications 4802 376 91 171 Wantree Development 2907 336 1749 312 SINET Japan 17974 331 89 32 PT TELEKOMUNIKASI INDONESIA 18101 324 68 23 Reliance Infocom Ltd Internet 17557 319 25 163 Pakistan Telecom 9929 318 218 53 China Netcom Corp. 17849 317 20 105 Telecommunications Technology 7474 305 211 232 SingTel Optus Pty Ltd 4780 280 226 16 Digital United Inc. 9837 269 77 165 Powertel Ltd

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

ASN No of nets /20 equiv MaxAgg Description 7018 1505 6263 966 AT&T WorldNet Services 4323 1244 714 247 Time Warner Telecom 721 1010 21962 307 DLA Systems Automation Center 6197 1005 620 469 BellSouth Network Solutions, 174 960 5784 907 Cogent Communications 701 945 8048 781 UUNET Technologies, Inc. 18566 923 272 8 Covad Communications 2386 874 520 664 AT&T Data Communications Serv 1239 854 2805 602 Sprint 19029 783 152 112 New Edge Networks 209 699 3607 542 Qwest 20115 674 591 363 Charter Communications 19262 665 1968 156 Verizon Global Networks 22773 642 1480 40 Cox Communications, Inc. 11492 624 86 20 Cable One 7011 611 212 398 Citizens Utilities 6198 583 506 239 BellSouth Network Solutions, 852 576 1088 385 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 702 587 1951 460 UUNET - Commercial IP service 3301 307 1071 292 TeliaNet Sweden 3352 307 1564 31 Ibernet, Internet Access Netw 8220 289 473 268 COLT Telecommunications 3320 281 3478 233 Deutsche Telekom AG 680 243 2025 240 DFN-IP service G-WiN 3246 231 488 221 Song Networks 6746 231 89 203 Dynamic Network Technologies, 8708 216 276 201 Romania Data Systems S.A. 8551 202 197 23 Bezeq International 24863 200 40 9 LINKdotNET AS number 1257 197 710 172 SWIPnet Swedish IP Network 3269 194 2085 75 TELECOM ITALIA 3215 186 1542 88 France Telecom Transpac 9121 174 931 26 TTnet Autonomous System 786 171 1778 171 The JANET IP Service 8866 170 37 14 Bulgarian Telecommunication C 5400 166 328 135 BT Ignite European Backbone 6830 166 765 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 600 1051 226 UniNet S.A. de C.V. 22047 384 142 10 VTR PUNTO NET S.A. 11172 320 110 83 Servicios Alestra S.A de C.V 16814 279 18 7 NSS, S.A. 14117 185 12 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 21826 123 16 20 INTERCABLE 19169 122 8 32 Telconet 6503 121 149 75 AVANTEL, S.A. 10481 121 48 8 Prima S.A. 6505 106 88 78 Global One Communicaoes Ltda 23216 100 20 7 RAMtelecom Telecomunicaciones 18822 99 8 10 TELEFONICA MANQUEHUE 25620 97 6 3 COTAS LTDA 7315 96 6 3 Grupo Rey Moreno 19429 95 52 42 E.T.B. 4270 94 17 9 Red de Interconexion Universi

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

ASN No of nets /20 equiv MaxAgg Description 3741 272 802 229 The Internet Solution 8452 165 60 7 TEDATA 6713 145 135 11 Itissalat Al-MAGHRIB 15475 128 84 4 Nile Online 2018 124 314 105 Tertiary Education Network 5536 121 8 18 Internet Egypt Network 24835 83 50 7 RAYA Telecom - Egypt 2905 74 155 67 The Internetworking Company o 20928 57 16 2 Noor Advanced Technologies AS 5713 39 294 35 Telkom SA Ltd 12455 39 6 3 Jambonet Autonomous system 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 23 10 21 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 1244 997 Time Warner Telecom 18566 923 915 Covad Communications 9583 877 861 Sify Limited 4755 891 822 Videsh Sanchar Nigam Ltd. Aut 4134 995 783 CHINANET-BACKBONE 721 1010 703 DLA Systems Automation Center 19029 783 671 New Edge Networks 11492 624 604 Cable One 22773 642 602 Cox Communications, Inc. 6197 1005 536 BellSouth Network Solutions, 19262 665 509 Verizon Global Networks 19916 563 509 OLM LLC 5668 526 501 CenturyTel Internet Holdings, 17488 502 495 Hathway IP Over Cable Interne 9498 559 487 BHARTI BT INTERNET LTD. 855 546 482 Canadian Research Network 7545 525 454 TPG Internet Pty Ltd 7757 473 454 AT&T Broadband 3602 538 429 Sprint Canada, Inc. 812 438 410 Rogers WAVE

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 65505 PRIVATE 206.252.200.192/27 8002 Stealth Communicatio 28871 UNALLOCATED 213.167.224.0/24 12541 Cable & Wireless Eur 28871 UNALLOCATED 213.167.224.0/19 15734 IDH Autonomous Syste 28871 UNALLOCATED 213.167.225.0/24 15734 IDH Autonomous Syste 28871 UNALLOCATED 213.167.226.0/24 15734 IDH Autonomous Syste 28871 UNALLOCATED 213.167.227.0/24 15734 IDH Autonomous Syste 28871 UNALLOCATED 213.167.228.0/23 15734 IDH Autonomous Syste 35113 UNALLOCATED 217.67.48.0/20 8190 VIATEL

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 192.72.0.0/18 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 /11:27 /12:87 /13:199 /14:353 /15:693 /16:8767 /17:3147 /18:5158 /19:11436 /20:12852 /21:11079 /22:14196 /23:15324 /24:100481 /25:341 /26:247 /27:215 /28:66 /29:58 /30:36 /31:0 /32:34

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

ASN No of nets Total ann. Description 18566 906 923 Covad Communications 7018 799 1505 AT&T WorldNet Services 6197 794 1005 BellSouth Network Solutions, 19029 710 783 New Edge Networks 9583 696 877 Sify Limited 11492 615 624 Cable One 4323 602 1244 Time Warner Telecom 2386 598 874 AT&T Data Communications Serv 19916 557 563 OLM LLC 7011 523 611 Citizens Utilities 4766 485 676 Korea Telecom (KIX) 7757 455 473 AT&T Broadband 6198 441 583 BellSouth Network Solutions, 855 420 546 Canadian Research Network 5668 406 526 CenturyTel Internet Holdings, 1239 380 854 Sprint 702 368 587 UUNET - Commercial IP service 15270 366 396 PaeTec.net -a division of Pae 6517 347 377 Yipes Communications, Inc. 22773 336 642 Cox Communications, Inc.

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

4:3 8:38 12:1619 13:1 15:12 16:3 17:3 18:4 20:43 24:871 25:1 30:2 32:67 38:203 40:54 44:3 47:6 52:4 55:1 56:3 57:33 58:149 59:189 60:177 61:822 62:810 63:1922 64:3116 65:2227 66:3072 67:614 68:678 69:1430 70:314 71:63 72:649 73:23 74:26 80:755 81:610 82:548 83:375 84:364 85:491 86:389 87:261 88:46 89:97 124:196 125:275 128:164 129:174 130:108 131:319 132:33 133:8 134:149 135:47 136:176 137:68 138:194 139:75 140:472 141:140 142:393 143:157 144:224 145:40 146:322 147:134 148:336 149:190 150:114 151:79 152:65 153:107 154:6 155:196 156:99 157:120 158:166 159:167 160:85 161:69 162:217 163:144 164:179 165:182 166:146 167:243 168:479 169:134 170:322 171:12 172:1 183:1 190:45 192:5747 193:3393 194:2544 195:1793 196:774 198:3873 199:3257 200:4297 201:669 202:6549 203:6874 204:3935 205:2081 206:2424 207:2929 208:2037 209:3689 210:1916 211:814 212:1242 213:1470 214:339 215:42 216:4088 217:1158 218:240 219:180 220:654 221:351 222:159

End of report