Orbit

Routing Table Report 04:00 +10GMT Wed 20 Oct, 2004

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

BGP routing table entries examined: 149044 Prefixes after maximum aggregation: 88144 Unique aggregates announced to Internet: 71356 Total ASes present in the Internet Routing Table: 18272 Origin-only ASes present in the Internet Routing Table: 15856 Origin ASes announcing only one prefix: 7430 Transit ASes present in the Internet Routing Table: 2416 Transit-only ASes present in the Internet Routing Table: 74 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 28 Prefixes from unregistered ASNs in the Routing Table: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 15 Number of addresses announced to Internet: 1345618796 Equivalent to 80 /8s, 52 /16s and 131 /24s Percentage of available address space announced: 36.3 Percentage of allocated address space announced: 58.7 Percentage of available address space allocated: 61.9 Total number of prefixes smaller than registry allocations: 68639

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

Prefixes being announced by APNIC Region ASes: 28987 Total APNIC prefixes after maximum aggregation: 14340 Prefixes being announced from the APNIC address blocks: 27139 Unique aggregates announced from the APNIC address blocks: 14287 APNIC Region origin ASes present in the Internet Routing Table: 2156 APNIC Region origin ASes announcing only one prefix: 645 APNIC Region transit ASes present in the Internet Routing Table: 333 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 165103744 Equivalent to 9 /8s, 215 /16s and 72 /24s Percentage of available APNIC address space announced: 75.3

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 23552-24575 APNIC Address Blocks 58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8

ARIN Region Analysis Summary ----------------------------

Prefixes being announced by ARIN Region ASes: 84522 Total ARIN prefixes after maximum aggregation: 51452 Prefixes being announced from the ARIN address blocks: 64671 Unique aggregates announced from the ARIN address blocks: 23189 ARIN Region origin ASes present in the Internet Routing Table: 9629 ARIN Region origin ASes announcing only one prefix: 3464 ARIN Region transit ASes present in the Internet Routing Table: 934 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 234120192 Equivalent to 13 /8s, 244 /16s and 100 /24s Percentage of available ARIN address space announced: 69.8

ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 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, 26624-27647,29695-30719, 31744-33791 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/7, 72/8, 198/7, 204/6, 208/7 and 216/8

RIPE Region Analysis Summary ----------------------------

Prefixes being announced by RIPE Region ASes: 27797 Total RIPE prefixes after maximum aggregation: 19299 Prefixes being announced from the RIPE address blocks: 24624 Unique aggregates announced from the RIPE address blocks: 16111 RIPE Region origin ASes present in the Internet Routing Table: 5927 RIPE Region origin ASes announcing only one prefix: 3189 RIPE Region transit ASes present in the Internet Routing Table: 1025 Average RIPE Region AS path length visible: 5.4 Max RIPE Region AS path length visible: 28 Number of RIPE addresses announced to Internet: 174465664 Equivalent to 10 /8s, 102 /16s and 34 /24s Percentage of available RIPE address space announced: 61.2

RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-34815 RIPE Address Blocks 62/8, 80/5, 88/8, 188/8, 193/8, 194/7, 212/7 and 217/8

LACNIC Region Analysis Summary ------------------------------

Prefixes being announced by LACNIC Region ASes: 6471 Total LACNIC prefixes after maximum aggregation: 2363 Prefixes being announced from the LACNIC address blocks: 6319 Unique aggregates announced from the LACNIC address blocks: 3774 LACNIC Region origin ASes present in the Internet Routing Table: 395 LACNIC Region origin ASes announcing only one prefix: 112 LACNIC Region transit ASes present in the Internet Routing Table: 79 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 16298240 Equivalent to 0 /8s, 248 /16s and 177 /24s Percentage of available LACNIC address space announced: 48.6

LACNIC AS Blocks 26592-26623, 27648-28671 LACNIC Address Blocks 200/7

Emerging AfriNIC Region Analysis Summary ----------------------------------------

Prefixes being announced by AfriNIC Region ASes: 1263 Total AfriNIC prefixes after maximum aggregation: 690 Prefixes being announced from the AfriNIC address blocks: 892 Unique aggregates announced from the AfriNIC address blocks: 682 AfriNIC Region origin ASes present in the Internet Routing Table: 93 AfriNIC Region origin ASes announcing only one prefix: 20 AfriNIC Region transit ASes present in the Internet Routing Table: 12 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 2069760 Equivalent to 0 /8s, 31 /16s and 149 /24s Percentage of available AfriNIC address space announced: 12.3

AfriNIC AS Blocks <none> AfriNIC Address Blocks 196/8

APNIC Region per AS prefix count summary ----------------------------------------

ASN No of nets /20 equiv MaxAgg Description 4134 855 4407 163 Data Communications Bureau 1221 805 1183 579 Telstra Pty Ltd 4766 547 3407 266 Korea Internet Exchange for " 9583 535 41 104 Satyam Infoway Ltd., 4755 374 133 53 Videsh Sanchar Nigam Ltd. Aut 17676 369 5516 54 XTAGE CORPORATION 2907 354 1857 328 SINET Japan 9443 353 69 79 Primus Telecommunications 9929 346 161 33 China Netcom Corp. 17557 317 23 158 Pakistan Telecom 703 311 342 240 UUNET 2764 284 272 232 connect.com.au pty ltd 7474 262 268 197 Optus Communications Pty Ltd 9942 235 73 127 COMindico Australia 4802 234 28 142 Wantree Development 9498 230 50 49 BHARTI BT INTERNET LTD. 9800 230 374 67 CHINA UNICOM 4814 206 232 6 China Telecom (Group) 7563 206 48 162 Korea Internet Infrastructure 10036 204 19 185 C&M Communication Co. Ltd.

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

ASN No of nets /20 equiv MaxAgg Description 7018 1422 6743 989 AT&T WorldNet Services 701 1247 8418 895 UUNET Technologies, Inc. 1239 936 2867 623 Sprint 2386 845 532 608 AT&T Data Communications Serv 6197 811 378 349 BellSouth Network Solutions, 4323 792 638 216 Time Warner Telecom 18566 746 208 6 Covad Communications 721 721 21036 298 DLA Systems Automation Center 3356 642 10955 442 Level 3 Communications, LLC 209 635 3469 502 Qwest 20115 599 427 303 Charter Communications 3561 560 2433 423 Cable & Wireless USA 852 511 1142 397 Telus Advanced Communications 7843 495 701 99 Adelphia Corp. 7132 448 8287 376 SBC Internet Services 6198 442 504 188 BellSouth Network Solutions, 705 432 163 273 UUNET Technologies, Inc. 6478 415 728 93 AT&T Worldnet Services 27364 411 36 19 Armstrong Cable Services 22909 405 866 26 Comcast Cable Corporation

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

ASN No of nets /20 equiv MaxAgg Description 702 630 2013 521 UUNET - Commercial IP service 3320 302 2486 239 Deutsche Telekom AG 8220 281 461 267 COLT Internet - International 3301 280 1100 270 TeliaNet Sweden 21502 269 40 3 NUMERICABLE is a cabled netwo 680 251 2025 239 DFN-IP service G-WiN 3246 218 476 215 Song Networks 13083 217 51 8 Mannesmann Datenverarbeitung 1257 208 743 180 SWIPnet Swedish IP Network 8708 205 114 183 Romania Data Systems S.A. 5515 201 843 147 Sonera Solution Autonomous Sy 786 176 1794 176 The JANET IP Service 6746 160 30 129 Dynamic Network Technologies, 719 157 288 102 LANLINK autonomous system 3215 157 940 78 France Telecom Transpac 8866 153 20 7 Bulgarian Telecommunication C 3269 149 1259 67 TELECOM ITALIA 5400 149 207 120 BT Ignite European Backbone 25186 149 154 105 France Telecom Transpac's Tra 3303 147 610 129 Swisscom Ltd

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

ASN No of nets /20 equiv MaxAgg Description 6140 347 138 67 ImpSat 8151 306 440 131 UniNet S.A. de C.V. 16814 211 13 7 NSS, S.A. 11172 206 100 54 Servicios Alestra S.A de C.V 6147 184 94 20 Telefonica Del Peru 11664 165 12 30 Keytech SA 6505 137 90 94 Global One Communicaoes Ltda 7303 135 60 24 Telecom Argentina Stet-France 6503 123 164 84 AVANTEL, S.A. 11992 101 9 31 Integrated Systems 14117 97 6 8 Telefonica del Sur S.A. 11311 86 8 25 Sinectis S.A. 6535 85 7 19 Chilesat Servicios Empresari 11556 81 41 3 Cable-Wireless Panama 10481 80 32 7 Prima S.A. 14420 80 5 33 ANDINATEL S.A. 4270 79 18 9 Red de Interconexion Universi 15311 76 21 36 Telefonica Empresas 5639 75 8 8 Telecommunications Services o 14522 74 5 9 SatNet S.A.

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

ASN No of nets /20 equiv MaxAgg Description 3741 251 631 218 The Internet Solution 5536 113 16 4 Internet Egypt Network 2018 94 297 92 Tertiary Education Network 2905 93 276 81 The Internetworking Company o 20928 57 16 1 Noor Advanced Technologies AS 22750 50 3 2 BCS-Net (PTY) Ltd 24835 34 34 7 RAYA Telecom - Egypt 9129 32 3 4 UUNET Kenya 6713 31 42 10 Itissalat Al-MAGHRIB 5713 26 125 24 Telkom SA Ltd 8524 25 1 4 AUCEGYPT Autonomous System 16637 22 10 19 Johnnic e-Ventures 10798 18 1 12 Standard Bank of South Africa 12258 18 3 12 Vodacom Internet Company 12455 17 4 2 Jambonet Autonomous system 8346 15 7 14 SONATEL-AS Autonomous System 14988 15 16 1 Botswana Telecommunications C 15706 15 4 2 Sudatel Internet Exchange Aut 21491 15 1 4 UTL On-line is RF broadband I 21280 14 2 3 Swift Global Kenya Ltd.Is an

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

ASN No of nets Net Savings Description 18566 746 740 Covad Communications 4134 855 692 Data Communications Bureau 4323 792 576 Time Warner Telecom 6197 811 462 BellSouth Network Solutions, 9583 535 431 Satyam Infoway Ltd., 721 721 423 DLA Systems Automation Center 7843 495 396 Adelphia Corp. 27364 411 392 Armstrong Cable Services 5668 403 385 Century Telephone 22909 405 379 Comcast Cable Corporation 22773 393 375 Cox Communications, Inc. Atla 6467 399 368 E.Spire Communications, Inc. 701 1247 352 UUNET Technologies, Inc. 6478 415 322 AT&T Worldnet Services 4755 374 321 Videsh Sanchar Nigam Ltd. Aut 17676 369 315 XTAGE CORPORATION 1239 936 313 Sprint 9929 346 313 China Netcom Corp. 20115 599 296 Charter Communications 4355 389 290 EarthLink, Inc.

List of Unregistered ASNs (Global) ----------------------------------

Bad AS Designation Network Transit AS Description 65006 PRIVATE 84.18.32.0/19 33831 * 65217 PRIVATE 192.102.236.0/24 217 University of Minnes 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 65000 PRIVATE 217.68.56.0/22 29263 HAAGnet, municipalit

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 192.44.0.0/19 702 UUNET - Commercial IP service 192.70.164.0/24 25689 National Research Council of 192.83.16.0/20 5515 Sonera Solution Autonomous Sy 192.83.32.0/19 5515 Sonera Solution Autonomous Sy 192.83.96.0/22 5515 Sonera Solution Autonomous Sy 192.83.100.0/24 5515 Sonera Solution Autonomous Sy 192.84.205.0/24 719 LANLINK autonomous system 192.119.135.0/24 270 NASA 192.135.50.0/24 7018 AT&T WorldNet Services 192.136.79.0/24 719 LANLINK autonomous system 192.172.0.0/19 721 DLA Systems Automation Center 192.172.11.0/24 721 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 /8:19 /9:3 /10:6 /11:15 /12:61 /13:138 /14:311 /15:554 /16:8105 /17:2265 /18:3898 /19:9726 /20:10373 /21:7890 /22:10923 /23:12646 /24:81301 /25:238 /26:208 /27:112 /28:60 /29:47 /30:109 /31:0 /32:36

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

ASN No of nets Total ann. Description 18566 731 746 Covad Communications 6197 660 811 BellSouth Network Solutions, 2386 611 845 AT&T Data Communications Serv 7018 572 1422 AT&T WorldNet Services 27364 395 411 Armstrong Cable Services 702 382 630 UUNET - Commercial IP service 1239 375 936 Sprint 9583 372 535 Satyam Infoway Ltd., 4766 367 547 Korea Internet Exchange for " 5668 350 403 Century Telephone 701 341 1247 UUNET Technologies, Inc. 6198 317 442 BellSouth Network Solutions, 20115 309 599 Charter Communications 6467 296 399 E.Spire Communications, Inc. 6517 278 302 Yipes Communications, Inc. 9929 277 346 China Netcom Corp. 13609 266 309 Choice One Communications Inc 21502 266 269 NUMERICABLE is a cabled netwo 4323 250 792 Time Warner Telecom 3320 247 302 Deutsche Telekom AG

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

4:4 8:9 12:1423 13:1 15:5 16:2 17:3 18:1 20:5 24:745 32:68 33:2 38:79 40:54 44:3 47:2 52:3 55:1 56:3 57:20 60:4 61:597 62:501 63:1842 64:2417 65:2072 66:2474 67:439 68:561 69:739 70:94 80:523 81:552 82:315 83:188 84:42 128:128 129:165 130:86 131:183 132:34 134:189 135:17 136:187 137:55 138:183 139:38 140:182 141:108 142:122 143:69 144:160 145:42 146:292 147:94 148:327 149:110 150:92 151:65 152:148 153:68 154:2 155:125 156:57 157:66 158:129 159:163 160:62 161:73 162:375 163:79 164:214 165:159 166:120 167:222 168:358 169:120 170:285 171:9 192:5580 193:2911 194:2154 195:1495 196:649 198:3666 199:3309 200:3800 201:20 202:4911 203:5768 204:3459 205:2100 206:2271 207:2566 208:2129 209:2986 210:1497 211:637 212:1121 213:1192 214:130 215:30 216:3649 217:1054 218:183 219:103 220:267 221:65 222:44

End of report