Orbit

Routing Table Report 04:00 +10GMT Thu 29 Sep, 2005

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

BGP routing table entries examined: 170834 Prefixes after maximum aggregation: 97528 Unique aggregates announced to Internet: 82457 Total ASes present in the Internet Routing Table: 20605 Origin-only ASes present in the Internet Routing Table: 17918 Origin ASes announcing only one prefix: 8500 Transit ASes present in the Internet Routing Table: 2687 Transit-only ASes present in the Internet Routing Table: 72 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 28 Prefixes from unregistered ASNs in the Routing Table: 18 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1426384640 Equivalent to 85 /8s, 4 /16s and 231 /24s Percentage of available address space announced: 38.5 Percentage of allocated address space announced: 57.9 Percentage of available address space allocated: 66.4 Total number of prefixes smaller than registry allocations: 81271

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

Prefixes being announced by APNIC Region ASes: 35614 Total APNIC prefixes after maximum aggregation: 15663 Prefixes being announced from the APNIC address blocks: 33451 Unique aggregates announced from the APNIC address blocks: 16490 APNIC Region origin ASes present in the Internet Routing Table: 2372 APNIC Region origin ASes announcing only one prefix: 698 APNIC Region transit ASes present in the Internet Routing Table: 366 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 200513024 Equivalent to 11 /8s, 243 /16s and 150 /24s Percentage of available APNIC address space announced: 74.4

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, 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: 90809 Total ARIN prefixes after maximum aggregation: 55321 Prefixes being announced from the ARIN address blocks: 70877 Unique aggregates announced from the ARIN address blocks: 26241 ARIN Region origin ASes present in the Internet Routing Table: 10240 ARIN Region origin ASes announcing only one prefix: 3781 ARIN Region transit ASes present in the Internet Routing Table: 950 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 270220288 Equivalent to 16 /8s, 27 /16s and 60 /24s Percentage of available ARIN address space announced: 67.1

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: 33101 Total RIPE prefixes after maximum aggregation: 22513 Prefixes being announced from the RIPE address blocks: 30147 Unique aggregates announced from the RIPE address blocks: 20160 RIPE Region origin ASes present in the Internet Routing Table: 7151 RIPE Region origin ASes announcing only one prefix: 3780 RIPE Region transit ASes present in the Internet Routing Table: 1192 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 28 Number of RIPE addresses announced to Internet: 218737728 Equivalent to 13 /8s, 9 /16s and 172 /24s Percentage of available RIPE address space announced: 65.2

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: 9552 Total LACNIC prefixes after maximum aggregation: 3218 Prefixes being announced from the LACNIC address blocks: 7890 Unique aggregates announced from the LACNIC address blocks: 4609 LACNIC Region origin ASes present in the Internet Routing Table: 638 LACNIC Region origin ASes announcing only one prefix: 199 LACNIC Region transit ASes present in the Internet Routing Table: 122 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 25 Number of LACNIC addresses announced to Internet: 22075136 Equivalent to 1 /8s, 80 /16s and 215 /24s Percentage of available LACNIC address space announced: 32.9

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: 1736 Total AfriNIC prefixes after maximum aggregation: 813 Prefixes being announced from the AfriNIC address blocks: 1056 Unique aggregates announced from the AfriNIC address blocks: 805 AfriNIC Region origin ASes present in the Internet Routing Table: 139 AfriNIC Region origin ASes announcing only one prefix: 42 AfriNIC Region transit ASes present in the Internet Routing Table: 19 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC addresses announced to Internet: 2734592 Equivalent to 0 /8s, 41 /16s and 186 /24s Percentage of available AfriNIC address space announced: 8.1

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 987 6103 205 CHINANET-BACKBONE 9583 798 77 12 Sify Limited 1221 752 1330 517 Telstra Pty Ltd 4755 722 259 66 Videsh Sanchar Nigam Ltd. Aut 4766 611 3927 289 Korea Telecom (KIX) 7545 493 108 70 TPG Internet Pty Ltd 17676 469 6803 99 Softbank BB Corp. 9443 389 85 78 Primus Telecommunications 2907 336 1757 313 SINET Japan 9498 336 148 59 BHARTI BT INTERNET LTD. 17488 336 20 9 Hathway IP Over Cable Interne 9929 330 224 46 China Netcom Corp. 17557 328 23 158 Pakistan Telecom 7474 312 257 215 SingTel Optus Pty Ltd 17974 299 66 13 PT TELEKOMUNIKASI INDONESIA 18302 294 109 156 SK Global co., Ltd 4802 291 66 155 Wantree Development 9837 273 79 174 Powertel Ltd 703 254 263 207 UUNET - Commercial IP service 9800 253 394 66 CHINA UNICOM

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

ASN No of nets /20 equiv MaxAgg Description 7018 1498 6344 982 AT&T WorldNet Services 4323 1176 705 228 Time Warner Telecom 721 1090 21922 308 DLA Systems Automation Center 174 1070 5850 1003 Cogent Communications 701 993 8121 836 UUNET Technologies, Inc. 6197 947 399 486 BellSouth Network Solutions, 2386 923 513 685 AT&T Data Communications Serv 1239 861 2851 605 Sprint 18566 855 240 7 Covad Communications 20115 653 510 327 Charter Communications 209 632 3585 497 Qwest 3356 573 10658 443 Level 3 Communications, LLC 3602 553 131 107 Sprint Canada, Inc. 22773 541 1352 30 Cox Communications, Inc. 3561 538 2409 418 Savvis 5668 490 115 23 CenturyTel Internet Holdings, 6198 474 417 228 BellSouth Network Solutions, 7132 463 4949 395 SBC Internet Services 19262 463 1400 119 Verizon Global Networks 852 437 1092 384 Telus Advanced Communications

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

ASN No of nets /20 equiv MaxAgg Description 702 609 1995 481 UUNET - Commercial IP service 3301 301 1081 287 TeliaNet Sweden 3320 287 3230 238 Deutsche Telekom AG 8220 267 475 262 COLT Telecommunications 680 244 2040 240 DFN-IP service G-WiN 8708 239 262 218 Romania Data Systems S.A. 3246 229 476 222 Song Networks 9121 229 336 26 TTnet Autonomous System 1257 194 712 172 SWIPnet Swedish IP Network 6746 186 50 161 Dynamic Network Technologies, 5515 185 778 127 Sonera Solution Autonomous Sy 3269 176 1606 69 TELECOM ITALIA 786 174 1795 174 The JANET IP Service 5400 168 289 141 BT Ignite European Backbone 8866 164 37 9 Bulgarian Telecommunication C 6830 158 669 33 UPC Distribution Services 3300 156 185 91 AUCS Communications Services 25186 144 145 101 France Telecom Transpac's Tra 3215 138 1189 80 France Telecom Transpac 24863 138 37 6 LINKdotNET AS number

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

ASN No of nets /20 equiv MaxAgg Description 8151 400 649 170 UniNet S.A. de C.V. 16814 298 18 7 NSS, S.A. 11172 249 83 61 Servicios Alestra S.A de C.V 11664 204 22 24 Keytech SA 6147 190 116 23 Telefonica Del Peru 19632 183 14 5 Metropolis Intercom S.A. 22047 168 128 7 VTR PUNTO NET S.A. 14117 157 10 5 Telefonica del Sur S.A. 7303 146 69 15 Telecom Argentina Stet-France 11556 132 64 2 Cable-Wireless Panama 6505 121 89 85 Global One Communicaoes Ltda 10481 121 48 8 Prima S.A. 19169 121 8 25 Telconet 13999 115 52 9 Mega Cable S.A. de C.V. 6503 113 148 74 AVANTEL, S.A. 18822 111 7 15 TELEFONICA MANQUEHUE 21826 105 13 16 INTERCABLE 5639 103 12 9 Telecommunications Services o 11311 97 8 14 Sinectis S.A. 23216 95 23 18 RAMtelecom Telecomunicaciones

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

ASN No of nets /20 equiv MaxAgg Description 3741 266 708 223 The Internet Solution 5536 123 8 12 Internet Egypt Network 8452 108 32 7 TEDATA 2018 96 295 87 Tertiary Education Network 15475 84 84 4 Nile Online 2905 79 211 71 The Internetworking Company o 20928 61 16 2 Noor Advanced Technologies AS 24835 58 34 7 RAYA Telecom - Egypt 6713 51 54 8 Itissalat Al-MAGHRIB 5713 38 149 33 Telkom SA Ltd 12455 36 6 3 Jambonet Autonomous system 15706 31 8 3 Sudatel Internet Exchange Aut 33774 29 3 19 AS Number for Telecom Algeria 8524 24 1 4 AUCEGYPT Autonomous System 16637 23 10 20 Johnnic e-Ventures 10798 22 1 13 Standard Bank of South Africa 21280 21 4 4 Swift Global Kenya Ltd.Is an 23889 20 5 9 MAURITIUS TELECOM 12258 17 3 11 Vodacom Internet Company 15808 17 2 2 Communication Solutions Ltd i

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

ASN No of nets Net Savings Description 4323 1176 948 Time Warner Telecom 18566 855 848 Covad Communications 9583 798 786 Sify Limited 721 1090 782 DLA Systems Automation Center 4134 987 782 CHINANET-BACKBONE 4755 722 656 Videsh Sanchar Nigam Ltd. Aut 22773 541 511 Cox Communications, Inc. 5668 490 467 CenturyTel Internet Holdings, 6197 947 461 BellSouth Network Solutions, 3602 553 446 Sprint Canada, Inc. 7545 493 423 TPG Internet Pty Ltd 17676 469 370 Softbank BB Corp. 19262 463 344 Verizon Global Networks 6467 392 343 E.Spire Communications, Inc. 11492 339 330 Cable One 17488 336 327 Hathway IP Over Cable Interne 20115 653 326 Charter Communications 4766 611 322 Korea Telecom (KIX) 15270 343 315 PaeTec.net -a division of Pae 9443 389 311 Primus Telecommunications

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

Bad AS Designation Network Transit AS Description 65506 PRIVATE 64.151.117.0/24 26228 ServePath, LLC 64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati 64826 PRIVATE 64.200.255.0/24 7911 Williams Communicati 65205 PRIVATE 152.163.5.0/24 2056 America Online 65111 PRIVATE 194.165.131.0/24 8376 GO-JOR Autonomous Sy 65430 PRIVATE 196.44.128.0/19 20459 Telecom Namibia 65004 PRIVATE 200.0.113.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.0.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.1.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.2.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.3.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.4.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.5.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.6.0/24 28477 Universidad Autonoma 24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp. 18428 UNALLOCATED 203.91.0.0/24 9505 Taiwan Internet Gate 65005 PRIVATE 203.200.197.0/24 4755 Videsh Sanchar Nigam 65500 PRIVATE 216.216.217.0/24 19029 New Edge Networks

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 192.43.230.0/24 7575 Australian Academic and Rease 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 192.135.50.0/24 7018 AT&T WorldNet Services 192.172.0.0/19 721 DLA Systems Automation Center 192.200.100.0/24 7018 AT&T WorldNet Services

Number of prefixes announced per prefix length (Global) -------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:17 /9:5 /10:8 /11:17 /12:80 /13:177 /14:326 /15:631 /16:8524 /17:2814 /18:4714 /19:10804 /20:11861 /21:9890 /22:13276 /23:14187 /24:92532 /25:333 /26:298 /27:188 /28:44 /29:13 /30:61 /31:3 /32:31

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

ASN No of nets Total ann. Description 18566 839 855 Covad Communications 6197 774 947 BellSouth Network Solutions, 7018 716 1498 AT&T WorldNet Services 2386 634 923 AT&T Data Communications Serv 9583 623 798 Sify Limited 4323 561 1176 Time Warner Telecom 4766 427 611 Korea Telecom (KIX) 5668 398 490 CenturyTel Internet Holdings, 702 384 609 UUNET - Commercial IP service 1239 367 861 Sprint 7011 364 422 Citizens Utilities 19916 363 369 OLM LLC 6198 347 474 BellSouth Network Solutions, 11492 331 339 Cable One 15270 313 343 PaeTec.net -a division of Pae 6517 312 338 Yipes Communications, Inc. 13609 290 332 Choice One Communications Inc 701 285 993 UUNET Technologies, Inc. 18302 279 294 SK Global co., Ltd 20115 276 653 Charter Communications

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

4:5 8:24 12:1593 13:1 15:10 16:2 17:3 18:3 20:27 24:562 30:3 32:65 38:156 40:54 44:3 47:2 52:4 55:1 56:3 57:23 58:157 59:69 60:140 61:759 62:763 63:1888 64:2872 65:2076 66:2938 67:632 68:626 69:1236 70:195 71:18 72:392 80:628 81:546 82:475 83:308 84:253 85:332 86:122 87:19 125:9 128:153 129:167 130:96 131:296 132:36 133:1 134:145 135:43 136:151 137:66 138:164 139:63 140:430 141:137 142:150 143:141 144:218 145:34 146:298 147:112 148:304 149:184 150:109 151:72 152:113 153:93 154:5 155:140 156:80 157:112 158:164 159:171 160:85 161:75 162:235 163:133 164:191 165:188 166:152 167:251 168:441 169:142 170:316 171:8 190:1 192:5715 193:3312 194:2410 195:1554 196:672 198:3877 199:3240 200:4163 201:332 202:6099 203:6440 204:3812 205:2055 206:2443 207:2808 208:2034 209:3396 210:1664 211:816 212:1186 213:1365 214:303 215:42 216:3733 217:1136 218:221 219:134 220:493 221:285 222:129

End of report