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

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

BGP routing table entries examined: 148547 Prefixes after maximum aggregation: 87713 Unique aggregates announced to Internet: 70647 Total ASes present in the Internet Routing Table: 18141 Origin-only ASes present in the Internet Routing Table: 15757 Origin ASes announcing only one prefix: 7357 Transit ASes present in the Internet Routing Table: 2384 Transit-only ASes present in the Internet Routing Table: 76 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 26 Prefixes from unregistered ASNs in the Routing Table: 57 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 15 Number of addresses announced to Internet: 1342036900 Equivalent to 79 /8s, 253 /16s and 219 /24s Percentage of available address space announced: 36.2 Percentage of allocated address space announced: 58.5 Percentage of available address space allocated: 61.9 Total number of prefixes smaller than registry allocations: 68400

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

Prefixes being announced by APNIC Region ASes: 28514 Total APNIC prefixes after maximum aggregation: 14254 Prefixes being announced from the APNIC address blocks: 26674 Unique aggregates announced from the APNIC address blocks: 14240 APNIC Region origin ASes present in the Internet Routing Table: 2140 APNIC Region origin ASes announcing only one prefix: 639 APNIC Region transit ASes present in the Internet Routing Table: 329 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 22 Number of APNIC addresses announced to Internet: 164213632 Equivalent to 9 /8s, 201 /16s and 179 /24s Percentage of available APNIC address space announced: 74.9

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: 84892 Total ARIN prefixes after maximum aggregation: 51302 Prefixes being announced from the ARIN address blocks: 65058 Unique aggregates announced from the ARIN address blocks: 22923 ARIN Region origin ASes present in the Internet Routing Table: 9581 ARIN Region origin ASes announcing only one prefix: 3434 ARIN Region transit ASes present in the Internet Routing Table: 924 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 233090560 Equivalent to 13 /8s, 228 /16s and 174 /24s Percentage of available ARIN address space announced: 69.5

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: 27523 Total RIPE prefixes after maximum aggregation: 19132 Prefixes being announced from the RIPE address blocks: 24373 Unique aggregates announced from the RIPE address blocks: 15968 RIPE Region origin ASes present in the Internet Routing Table: 5860 RIPE Region origin ASes announcing only one prefix: 3151 RIPE Region transit ASes present in the Internet Routing Table: 1010 Average RIPE Region AS path length visible: 5.3 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 172395840 Equivalent to 10 /8s, 70 /16s and 141 /24s Percentage of available RIPE address space announced: 60.4

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: 6341 Total LACNIC prefixes after maximum aggregation: 2337 Prefixes being announced from the LACNIC address blocks: 6179 Unique aggregates announced from the LACNIC address blocks: 3645 LACNIC Region origin ASes present in the Internet Routing Table: 393 LACNIC Region origin ASes announcing only one prefix: 113 LACNIC Region transit ASes present in the Internet Routing Table: 80 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 16143360 Equivalent to 0 /8s, 246 /16s and 84 /24s Percentage of available LACNIC address space announced: 48.1

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

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

Prefixes being announced by AfriNIC Region ASes: 1270 Total AfriNIC prefixes after maximum aggregation: 688 Prefixes being announced from the AfriNIC address blocks: 886 Unique aggregates announced from the AfriNIC address blocks: 677 AfriNIC Region origin ASes present in the Internet Routing Table: 92 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: 4.6 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 2064640 Equivalent to 0 /8s, 31 /16s and 129 /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 839 4389 159 Data Communications Bureau 1221 809 1184 581 Telstra Pty Ltd 4766 544 3408 266 Korea Internet Exchange for " 9583 530 41 106 Satyam Infoway Ltd., 17676 370 5532 52 XTAGE CORPORATION 4755 364 132 48 Videsh Sanchar Nigam Ltd. Aut 9443 354 69 80 Primus Telecommunications 2907 353 1857 327 SINET Japan 9929 344 161 33 China Netcom Corp. 703 312 342 241 UUNET 17557 310 23 155 Pakistan Telecom 2764 283 274 232 connect.com.au pty ltd 7474 271 269 202 Optus Communications Pty Ltd 9942 240 73 129 COMindico Australia 4802 232 28 141 Wantree Development 9800 230 374 67 CHINA UNICOM 9498 228 49 48 BHARTI BT INTERNET LTD. 7563 212 48 163 Korea Internet Infrastructure 17974 203 62 10 PT TELEKOMUNIKASI INDONESIA 4837 202 2264 106 chinanet IDC center beijing n

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

ASN No of nets /20 equiv MaxAgg Description 7018 1406 6744 979 AT&T WorldNet Services 701 1269 8447 916 UUNET Technologies, Inc. 1239 940 2867 623 Sprint 3549 848 563 206 Global Crossing 2386 841 530 600 AT&T Data Communications Serv 4323 796 637 218 Time Warner Telecom 6197 780 373 350 BellSouth Network Solutions, 18566 743 208 6 Covad Communications 721 723 21028 298 DLA Systems Automation Center 3561 634 2513 432 Cable & Wireless USA 209 630 3465 498 Qwest 3356 588 10923 447 Level 3 Communications, LLC 20115 587 425 300 Charter Communications 852 512 1142 398 Telus Advanced Communications 7843 489 681 98 Adelphia Corp. 7132 435 8157 377 SBC Internet Services 705 432 163 274 UUNET Technologies, Inc. 6198 431 396 200 BellSouth Network Solutions, 22773 401 960 18 Cox Communications, Inc. Atla 5668 398 87 18 Century Telephone

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

ASN No of nets /20 equiv MaxAgg Description 702 637 2031 527 UUNET - Commercial IP service 3320 300 2470 237 Deutsche Telekom AG 8220 282 461 268 COLT Internet - International 3301 281 1100 271 TeliaNet Sweden 21502 268 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 208 744 178 SWIPnet Swedish IP Network 8708 205 113 182 Romania Data Systems S.A. 5515 201 843 147 Sonera Solution Autonomous Sy 3215 189 876 76 France Telecom Transpac 786 176 1794 176 The JANET IP Service 719 157 288 102 LANLINK autonomous system 6746 151 29 128 Dynamic Network Technologies, 8866 150 18 19 Bulgarian Telecommunication C 25186 149 154 106 France Telecom Transpac's Tra 3269 147 1227 67 TELECOM ITALIA 5400 147 207 119 BT Ignite European Backbone 3303 146 609 129 Swisscom Ltd

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

ASN No of nets /20 equiv MaxAgg Description 6140 371 139 69 ImpSat 8151 300 438 126 UniNet S.A. de C.V. 16814 212 13 7 NSS, S.A. 11172 204 99 53 Servicios Alestra S.A de C.V 6147 193 90 20 Telefonica Del Peru 11664 163 12 35 Keytech SA 6505 137 90 94 Global One Communicaoes Ltda 7303 129 58 23 Telecom Argentina Stet-France 6503 126 164 85 AVANTEL, S.A. 11992 90 9 31 Integrated Systems 6535 85 7 19 Chilesat Servicios Empresari 11311 84 8 24 Sinectis S.A. 10481 81 32 7 Prima S.A. 11556 81 41 3 Cable-Wireless Panama 14420 80 5 33 ANDINATEL S.A. 5639 77 8 8 Telecommunications Services o 15311 76 21 36 Telefonica Empresas 27716 74 9 12 Eveloz 14117 71 6 4 Telefonica del Sur S.A. 4270 70 18 9 Red de Interconexion Universi

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

ASN No of nets /20 equiv MaxAgg Description 3741 251 631 218 The Internet Solution 5536 114 16 4 Internet Egypt Network 2018 94 297 92 Tertiary Education Network 2905 92 276 81 The Internetworking Company o 20928 59 16 1 Noor Advanced Technologies AS 22750 50 3 2 >>UNKNOWN<< 24835 34 34 7 RAYA Telecom - Egypt 6713 31 42 10 Itissalat Al-MAGHRIB 9129 30 3 4 UUNET Kenya 5713 26 125 24 Telkom SA Ltd 8524 25 1 4 AUCEGYPT Autonomous System 14988 25 16 1 Botswana Telecommunications C 16637 24 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 21491 16 1 3 UTL On-line is RF broadband I 8346 15 7 14 SONATEL-AS Autonomous System 15706 15 4 2 Sudatel Internet Exchange Aut 21280 14 2 3 Swift Global Kenya Ltd.Is an

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

ASN No of nets Net Savings Description 18566 743 737 Covad Communications 4134 839 680 Data Communications Bureau 3549 848 642 Global Crossing 4323 796 578 Time Warner Telecom 6197 780 430 BellSouth Network Solutions, 721 723 425 DLA Systems Automation Center 9583 530 424 Satyam Infoway Ltd., 7843 489 391 Adelphia Corp. 22773 401 383 Cox Communications, Inc. Atla 5668 398 380 Century Telephone 27364 395 376 Armstrong Cable Services 6467 389 358 E.Spire Communications, Inc. 701 1269 353 UUNET Technologies, Inc. 22909 381 347 Comcast Cable Corporation 17676 370 318 XTAGE CORPORATION 1239 940 317 Sprint 4755 364 316 Videsh Sanchar Nigam Ltd. Aut 9929 344 311 China Netcom Corp. 6140 371 302 ImpSat 6478 370 296 AT&T Worldnet Services

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

Bad AS Designation Network Transit AS Description 64512 PRIVATE 24.249.231.0/24 15218 COX Communications 64512 PRIVATE 24.249.232.0/24 15218 COX Communications 64512 PRIVATE 24.249.233.0/24 15218 COX Communications 64512 PRIVATE 24.249.234.0/24 15218 COX Communications 64512 PRIVATE 24.249.235.0/24 15218 COX Communications 65217 PRIVATE 192.102.236.0/24 217 University of Minnes 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 22750 UNALLOCATED 196.44.64.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.64.0/19 2905 The Internetworking 22750 UNALLOCATED 196.44.65.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.66.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.67.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.68.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.69.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.70.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.71.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.72.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.73.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.74.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.75.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.76.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.77.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.78.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.79.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.80.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.81.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.82.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.83.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.84.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.85.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.86.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.87.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.88.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.89.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.90.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.91.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.92.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.93.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.94.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.95.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.224.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.224.0/20 2905 The Internetworking 22750 UNALLOCATED 196.44.225.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.226.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.227.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.228.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.229.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.230.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.231.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.232.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.233.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.234.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.235.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.236.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.237.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.238.0/24 2905 The Internetworking 22750 UNALLOCATED 196.44.239.0/24 2905 The Internetworking

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

Network Origin AS Description 111.0.0.0/24 7563 Korea Internet Infrastructure 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 192.135.50.0/24 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 /12:62 /13:133 /14:306 /15:545 /16:8075 /17:2243 /18:3884 /19:9829 /20:10343 /21:7857 /22:10847 /23:12490 /24:81107 /25:235 /26:206 /27:114 /28:51 /29:32 /30:98 /31:0 /32:47

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

ASN No of nets Total ann. Description 18566 728 743 Covad Communications 6197 631 780 BellSouth Network Solutions, 2386 607 841 AT&T Data Communications Serv 7018 555 1406 AT&T WorldNet Services 3549 448 848 Global Crossing 702 388 637 UUNET - Commercial IP service 27364 379 395 Armstrong Cable Services 1239 376 940 Sprint 9583 368 530 Satyam Infoway Ltd., 4766 363 544 Korea Internet Exchange for " 701 352 1269 UUNET Technologies, Inc. 5668 346 398 Century Telephone 6198 317 431 BellSouth Network Solutions, 20115 299 587 Charter Communications 6467 287 389 E.Spire Communications, Inc. 9929 275 344 China Netcom Corp. 6517 265 292 Yipes Communications, Inc. 13609 265 308 Choice One Communications Inc 21502 265 268 NUMERICABLE is a cabled netwo 3561 257 634 Cable & Wireless USA

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

4:4 8:7 12:1401 13:1 15:5 16:2 17:3 18:1 20:6 24:721 32:66 33:2 38:79 40:54 44:3 47:2 52:3 55:1 56:3 57:17 60:6 61:518 62:500 63:1852 64:2536 65:2058 66:2509 67:413 68:548 69:717 70:80 80:519 81:550 82:314 83:172 84:32 111:1 128:118 129:169 130:87 131:185 132:33 134:187 135:17 136:177 137:55 138:182 139:36 140:187 141:107 142:123 143:68 144:162 145:42 146:325 147:94 148:326 149:108 150:87 151:65 152:153 153:67 154:2 155:128 156:58 157:73 158:142 159:162 160:56 161:71 162:374 163:79 164:211 165:161 166:118 167:223 168:356 169:120 170:272 171:9 192:5564 193:2899 194:2127 195:1494 196:644 198:3672 199:3288 200:3689 201:20 202:4865 203:5704 204:3326 205:2100 206:2441 207:2628 208:2275 209:2977 210:1483 211:638 212:1113 213:1193 214:131 215:31 216:3672 217:1040 218:175 219:101 220:256 221:37 222:43

End of report