Orbit

Routing Table Report 04:00 +10GMT Wed 29 Mar, 2006

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

BGP routing table entries examined: 185007 Prefixes after maximum aggregation: 102584 Unique aggregates announced to Internet: 90261 Total ASes present in the Internet Routing Table: 21839 Origin-only ASes present in the Internet Routing Table: 18973 Origin ASes announcing only one prefix: 9042 Transit ASes present in the Internet Routing Table: 2866 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: 20 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: 13 Number of addresses announced to Internet: 1515810080 Equivalent to 90 /8s, 89 /16s and 109 /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: 90711

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

Prefixes being announced by APNIC Region ASes: 38896 Total APNIC prefixes after maximum aggregation: 16331 Prefixes being announced from the APNIC address blocks: 36618 Unique aggregates announced from the APNIC address blocks: 17971 APNIC Region origin ASes present in the Internet Routing Table: 2528 APNIC Region origin ASes announcing only one prefix: 723 APNIC Region transit ASes present in the Internet Routing Table: 391 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 219616992 Equivalent to 13 /8s, 23 /16s and 22 /24s Percentage of available APNIC address space announced: 68.7

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: 96773 Total ARIN prefixes after maximum aggregation: 57188 Prefixes being announced from the ARIN address blocks: 75858 Unique aggregates announced from the ARIN address blocks: 28973 ARIN Region origin ASes present in the Internet Routing Table: 10601 ARIN Region origin ASes announcing only one prefix: 3959 ARIN Region transit ASes present in the Internet Routing Table: 979 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 293305600 Equivalent to 17 /8s, 123 /16s and 125 /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: 36757 Total RIPE prefixes after maximum aggregation: 24581 Prefixes being announced from the RIPE address blocks: 33803 Unique aggregates announced from the RIPE address blocks: 22833 RIPE Region origin ASes present in the Internet Routing Table: 7808 RIPE Region origin ASes announcing only one prefix: 4091 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: 242854528 Equivalent to 14 /8s, 121 /16s and 170 /24s Percentage of available RIPE address space announced: 72.4

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: 10534 Total LACNIC prefixes after maximum aggregation: 3595 Prefixes being announced from the LACNIC address blocks: 8699 Unique aggregates announced from the LACNIC address blocks: 5184 LACNIC Region origin ASes present in the Internet Routing Table: 682 LACNIC Region origin ASes announcing only one prefix: 225 LACNIC Region transit ASes present in the Internet Routing Table: 126 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 26107904 Equivalent to 1 /8s, 142 /16s and 96 /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: 2039 Total AfriNIC prefixes after maximum aggregation: 889 Prefixes being announced from the AfriNIC address blocks: 1379 Unique aggregates announced from the AfriNIC address blocks: 908 AfriNIC Region origin ASes present in the Internet Routing Table: 150 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: 3945472 Equivalent to 0 /8s, 60 /16s and 52 /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 996 6933 212 CHINANET-BACKBONE 4755 890 259 69 Videsh Sanchar Nigam Ltd. Aut 9583 876 109 16 Sify Limited 4766 676 3923 301 Korea Telecom (KIX) 1221 626 1556 476 Telstra Pty Ltd 9498 561 212 72 BHARTI BT INTERNET LTD. 7545 526 108 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 18101 323 68 23 Reliance Infocom Ltd Internet 17557 320 26 164 Pakistan Telecom 17849 317 20 105 Telecommunications Technology 9929 315 218 53 China Netcom Corp. 7474 305 211 232 SingTel Optus Pty Ltd 4780 281 226 16 Digital United Inc. 17974 272 81 43 PT TELEKOMUNIKASI INDONESIA 9837 269 77 165 Powertel Ltd

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

ASN No of nets /20 equiv MaxAgg Description 7018 1504 6263 966 AT&T WorldNet Services 4323 1244 714 247 Time Warner Telecom 721 1012 21962 307 DLA Systems Automation Center 6197 1004 620 471 BellSouth Network Solutions, 174 959 5784 906 Cogent Communications 701 947 8050 783 UUNET Technologies, Inc. 18566 923 272 8 Covad Communications 2386 874 520 664 AT&T Data Communications Serv 1239 854 2805 602 Sprint 19029 784 152 112 New Edge Networks 209 700 3607 543 Qwest 20115 673 590 362 Charter Communications 19262 665 1968 156 Verizon Global Networks 22773 642 1480 40 Cox Communications, Inc. 11492 625 86 20 Cable One 7011 611 212 398 Citizens Utilities 6198 583 506 239 BellSouth Network Solutions, 852 578 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 702 586 1951 459 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 680 245 2025 242 DFN-IP service G-WiN 3246 231 488 221 Song Networks 6746 230 89 204 Dynamic Network Technologies, 8708 216 276 201 Romania Data Systems S.A. 8551 202 197 23 Bezeq International 24863 201 40 9 LINKdotNET AS number 1257 197 710 172 SWIPnet Swedish IP Network 3269 193 2085 74 TELECOM ITALIA 3215 186 1542 88 France Telecom Transpac 786 171 1778 171 The JANET IP Service 8866 170 37 14 Bulgarian Telecommunication C 6830 167 765 35 UPC Distribution Services 5400 166 328 135 BT Ignite European Backbone 5515 161 839 120 Sonera Solution Autonomous Sy 9121 161 931 26 TTnet Autonomous System

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 316 109 80 Servicios Alestra S.A de C.V 16814 280 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 19169 123 8 32 Telconet 21826 123 16 20 INTERCABLE 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 7315 96 6 3 Grupo Rey Moreno 19429 95 52 42 E.T.B. 4270 94 17 9 Red de Interconexion Universi 14522 94 13 5 SatNet S.A.

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

ASN No of nets /20 equiv MaxAgg Description 3741 276 803 232 The Internet Solution 8452 166 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 2561 19 6 2 Egyptian Universities Network 21280 19 5 5 Swift Global Kenya Ltd.Is an

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 876 860 Sify Limited 4755 890 821 Videsh Sanchar Nigam Ltd. Aut 4134 996 784 CHINANET-BACKBONE 721 1012 705 DLA Systems Automation Center 19029 784 672 New Edge Networks 11492 625 605 Cable One 22773 642 602 Cox Communications, Inc. 6197 1004 533 BellSouth Network Solutions, 19262 665 509 Verizon Global Networks 19916 563 509 OLM LLC 5668 532 502 CenturyTel Internet Holdings, 17488 502 495 Hathway IP Over Cable Interne 9498 561 489 BHARTI BT INTERNET LTD. 855 546 482 Canadian Research Network 7545 526 455 TPG Internet Pty Ltd 7757 473 454 AT&T Broadband 3602 537 428 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 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com

Advertised Unallocated Addresses --------------------------------

Network Origin AS Description 1.1.1.0/24 8764 LIETUVOS-TELEKOMAS Autonomous 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 /11:26 /12:88 /13:199 /14:355 /15:692 /16:8755 /17:3158 /18:5164 /19:11439 /20:12862 /21:11111 /22:14202 /23:15309 /24:100615 /25:343 /26:246 /27:214 /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 798 1504 AT&T WorldNet Services 6197 793 1004 BellSouth Network Solutions, 19029 711 784 New Edge Networks 9583 695 876 Sify Limited 11492 616 625 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 412 532 CenturyTel Internet Holdings, 1239 380 854 Sprint 702 367 586 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) ----------------------------------------------

1:1 4:3 8:38 12:1620 13:1 15:12 16:3 17:3 18:4 20:43 24:872 25:1 30:2 32:67 38:206 40:54 44:3 47:6 52:4 55:1 56:3 57:33 58:151 59:190 60:181 61:817 62:810 63:1922 64:3118 65:2228 66:3073 67:617 68:677 69:1433 70:314 71:68 72:650 73:23 74:26 80:756 81:611 82:549 83:375 84:369 85:494 86:400 87:261 88:45 89:101 124:196 125:278 128:162 129:173 130:108 131:319 132:33 133:8 134:150 135:47 136:177 137:68 138:194 139:75 140:471 141:134 142:393 143:157 144:225 145:40 146:322 147:134 148:335 149:190 150:114 151:80 152:65 153:107 154:6 155:196 156:99 157:120 158:166 159:167 160:86 161:69 162:252 163:145 164:179 165:182 166:166 167:243 168:478 169:134 170:323 171:12 172:1 183:1 190:45 192:5765 193:3396 194:2545 195:1794 196:783 198:3876 199:3266 200:4292 201:668 202:6564 203:6874 204:3932 205:2080 206:2417 207:2929 208:2037 209:3689 210:1919 211:818 212:1248 213:1469 214:339 215:42 216:4081 217:1168 218:240 219:180 220:653 221:351 222:136

End of report