Orbit

Routing Table Report 04:00 +10GMT Wed 27 Apr, 2005

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

BGP routing table entries examined: 160841 Prefixes after maximum aggregation: 93467 Unique aggregates announced to Internet: 77444 Total ASes present in the Internet Routing Table: 19498 Origin-only ASes present in the Internet Routing Table: 16962 Origin ASes announcing only one prefix: 7945 Transit ASes present in the Internet Routing Table: 2536 Transit-only ASes present in the Internet Routing Table: 66 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 29 Prefixes from unregistered ASNs in the Routing Table: 16 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 14 Number of addresses announced to Internet: 1402267712 Equivalent to 83 /8s, 148 /16s and 232 /24s Percentage of available address space announced: 37.8 Percentage of allocated address space announced: 59.4 Percentage of available address space allocated: 63.7 Total number of prefixes smaller than registry allocations: 75224

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

Prefixes being announced by APNIC Region ASes: 32901 Total APNIC prefixes after maximum aggregation: 15444 Prefixes being announced from the APNIC address blocks: 30836 Unique aggregates announced from the APNIC address blocks: 15542 APNIC Region origin ASes present in the Internet Routing Table: 2247 APNIC Region origin ASes announcing only one prefix: 658 APNIC Region transit ASes present in the Internet Routing Table: 343 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 182027904 Equivalent to 10 /8s, 217 /16s and 134 /24s Percentage of available APNIC address space announced: 67.5

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575 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: 87271 Total ARIN prefixes after maximum aggregation: 53171 Prefixes being announced from the ARIN address blocks: 68069 Unique aggregates announced from the ARIN address blocks: 25034 ARIN Region origin ASes present in the Internet Routing Table: 9891 ARIN Region origin ASes announcing only one prefix: 3594 ARIN Region transit ASes present in the Internet Routing Table: 932 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 247086592 Equivalent to 14 /8s, 186 /16s and 62 /24s Percentage of available ARIN address space announced: 70.1

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, 198/7, 204/6, 208/7 and 216/8

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

Prefixes being announced by RIPE Region ASes: 30556 Total RIPE prefixes after maximum aggregation: 21123 Prefixes being announced from the RIPE address blocks: 27562 Unique aggregates announced from the RIPE address blocks: 18380 RIPE Region origin ASes present in the Internet Routing Table: 6586 RIPE Region origin ASes announcing only one prefix: 3474 RIPE Region transit ASes present in the Internet Routing Table: 1104 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 29 Number of RIPE addresses announced to Internet: 201957312 Equivalent to 12 /8s, 9 /16s and 159 /24s Percentage of available RIPE address space announced: 70.8

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 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: 8667 Total LACNIC prefixes after maximum aggregation: 3023 Prefixes being announced from the LACNIC address blocks: 7078 Unique aggregates announced from the LACNIC address blocks: 4138 LACNIC Region origin ASes present in the Internet Routing Table: 610 LACNIC Region origin ASes announcing only one prefix: 192 LACNIC Region transit ASes present in the Internet Routing Table: 113 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 21 Number of LACNIC addresses announced to Internet: 18440960 Equivalent to 1 /8s, 25 /16s and 99 /24s Percentage of available LACNIC address space announced: 55.0

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

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

Prefixes being announced by AfriNIC Region ASes: 1430 Total AfriNIC prefixes after maximum aggregation: 706 Prefixes being announced from the AfriNIC address blocks: 940 Unique aggregates announced from the AfriNIC address blocks: 745 AfriNIC Region origin ASes present in the Internet Routing Table: 100 AfriNIC Region origin ASes announcing only one prefix: 27 AfriNIC Region transit ASes present in the Internet Routing Table: 14 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 13 Number of AfriNIC addresses announced to Internet: 2211072 Equivalent to 0 /8s, 33 /16s and 189 /24s Percentage of available AfriNIC address space announced: 6.6

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 905 5115 185 CHINANET-BACKBONE 1221 772 1192 549 Telstra Pty Ltd 9583 724 52 69 Sify Limited 4766 584 3413 275 Korea Telecom (KIX) 4755 542 243 112 Videsh Sanchar Nigam Ltd. Aut 7545 488 86 72 TPG Internet Pty Ltd 17676 430 6508 72 Softbank BB Corp. 9443 369 77 75 Primus Telecommunications 9929 358 189 45 China Netcom Corp. 2907 345 1838 319 SINET Japan 17557 320 23 154 Pakistan Telecom 10036 313 28 284 C&M Communication Co. Ltd. 4808 309 251 169 CNCGROUP IP network: China169 7474 298 268 209 SingTel Optus Pty Ltd 9498 284 82 52 BHARTI BT INTERNET LTD. 4802 279 47 164 Wantree Development 2764 260 238 198 AAPT Limited 703 257 279 211 UUNET - Commercial IP service 17974 245 65 14 PT TELEKOMUNIKASI INDONESIA 9800 242 386 69 CHINA UNICOM

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

ASN No of nets /20 equiv MaxAgg Description 7018 1484 6515 958 AT&T WorldNet Services 174 1138 5604 970 Cogent Communications 721 1115 21747 312 DLA Systems Automation Center 4323 1105 665 225 Time Warner Telecom 701 1005 8282 858 UUNET Technologies, Inc. 1239 910 2874 659 Sprint 6197 894 380 414 BellSouth Network Solutions, 2386 841 532 623 AT&T Data Communications Serv 18566 792 224 7 Covad Communications 209 653 3458 494 Qwest 20115 608 503 307 Charter Communications 3356 583 10836 437 Level 3 Communications, LLC 3561 542 2361 415 Savvis 27364 534 43 18 Armstrong Cable Services 852 530 1095 393 Telus Advanced Communications 3602 506 122 94 Sprint Canada, Inc. 5668 486 115 25 CenturyTel Internet Holdings, 22773 479 1188 21 Cox Communications, Inc. 6198 462 439 207 BellSouth Network Solutions, 7132 443 8782 380 SBC Internet Services

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

ASN No of nets /20 equiv MaxAgg Description 702 593 2002 485 UUNET - Commercial IP service 3320 303 2993 237 Deutsche Telekom AG 3301 296 1116 286 TeliaNet Sweden 8220 272 469 266 COLT Telecommunications 680 253 2041 238 DFN-IP service G-WiN 3246 232 491 227 Song Networks 8708 227 251 209 Romania Data Systems S.A. 1257 199 727 175 SWIPnet Swedish IP Network 5515 178 778 128 Sonera Solution Autonomous Sy 786 176 1794 176 The JANET IP Service 3269 167 1472 73 TELECOM ITALIA 6746 164 47 143 Dynamic Network Technologies, 8866 162 21 12 Bulgarian Telecommunication C 719 159 340 101 LANLINK autonomous system 3300 152 184 85 AUCS Communications Services 5400 145 284 129 BT Ignite European Backbone 25186 139 137 97 France Telecom Transpac's Tra 6830 138 513 27 UPC Distribution Services 2856 128 2305 115 BTnet UK Regional network 9051 128 8 34 INCONET Autonomous System

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

ASN No of nets /20 equiv MaxAgg Description 8151 373 598 147 UniNet S.A. de C.V. 16814 265 16 7 NSS, S.A. 11172 223 99 54 Servicios Alestra S.A de C.V 6147 197 102 20 Telefonica Del Peru 19632 190 14 7 Metropolis Intercom S.A. 11664 155 19 22 Keytech SA 7303 147 68 21 Telecom Argentina Stet-France 14117 135 8 4 Telefonica del Sur S.A. 6505 130 90 87 Global One Communicaoes Ltda 22047 123 96 6 VTR PUNTO NET S.A. 11556 110 55 6 Cable-Wireless Panama 18822 105 7 15 TELEFONICA MANQUEHUE 6503 104 146 74 AVANTEL, S.A. 13999 102 52 9 Mega Cable S.A. de C.V. 10481 101 40 7 Prima S.A. 19169 97 6 15 Telconet 23216 89 24 22 RAMtelecom Telecomunicaciones 21826 88 12 21 INTERCABLE 11311 85 8 21 Sinectis S.A. 5639 84 12 9 Telecommunications Services o

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

ASN No of nets /20 equiv MaxAgg Description 3741 269 635 225 The Internet Solution 5536 119 15 17 Internet Egypt Network 2018 90 295 87 Tertiary Education Network 20928 84 16 2 Noor Advanced Technologies AS 2905 75 267 69 The Internetworking Company o 8452 64 20 5 TEDATA 24835 61 34 6 RAYA Telecom - Egypt 9129 42 3 3 UUNET Kenya 12455 42 7 4 Jambonet Autonomous system 5713 35 141 28 Telkom SA Ltd 6713 35 54 9 Itissalat Al-MAGHRIB 8524 25 1 4 AUCEGYPT Autonomous System 15475 23 84 4 Nile Online 16637 22 10 19 Johnnic e-Ventures 10798 19 1 11 Standard Bank of South Africa 7460 18 3 5 LIA Internet Access 2609 17 26 3 Tunisia BackBone AS 12258 17 3 11 Vodacom Internet Company 21280 17 2 3 Swift Global Kenya Ltd.Is an 15808 16 1 1 Communication Solutions Ltd i

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

ASN No of nets Net Savings Description 0 0 65531 * 4323 1105 880 Time Warner Telecom 721 1115 803 DLA Systems Automation Center 18566 792 785 Covad Communications 4134 905 720 CHINANET-BACKBONE 9583 724 655 Sify Limited 27364 534 516 Armstrong Cable Services 6197 894 480 BellSouth Network Solutions, 5668 486 461 CenturyTel Internet Holdings, 22773 479 458 Cox Communications, Inc. 4755 542 430 Videsh Sanchar Nigam Ltd. Aut 7545 488 416 TPG Internet Pty Ltd 3602 506 412 Sprint Canada, Inc. 6467 434 399 E.Spire Communications, Inc. 17676 430 358 Softbank BB Corp. 6140 399 327 ImpSat 9929 358 313 China Netcom Corp. 4766 584 309 Korea Telecom (KIX) 20115 608 301 Charter Communications 9443 369 294 Primus Telecommunications

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

Bad AS Designation Network Transit AS Description 33772 UNALLOCATED 196.1.53.0/24 11908 Verestar, Inc. 33772 UNALLOCATED 196.1.54.0/24 11908 Verestar, Inc. 33772 UNALLOCATED 196.1.55.0/24 11908 Verestar, Inc. 30999 UNALLOCATED 196.192.80.0/24 6774 BELGACOM 33771 UNALLOCATED 196.201.208.0/23 12491 IPPlanet 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 65444 PRIVATE 212.25.125.0/24 8551 Bezeq International 65529 PRIVATE 216.21.199.0/24 14697 VDot.Net 65529 PRIVATE 216.152.237.0/24 14697 VDot.Net

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 172.32.0.0/24 7011 Citizens Utilities 172.122.28.0/24 210 Utah Education Network 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 /8:19 /9:3 /10:8 /11:15 /12:68 /13:153 /14:309 /15:588 /16:8389 /17:2533 /18:4366 /19:10219 /20:11019 /21:8905 /22:12221 /23:13270 /24:87856 /25:289 /26:262 /27:140 /28:74 /29:38 /30:68 /31:0 /32:29

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

ASN No of nets Total ann. Description 18566 776 792 Covad Communications 6197 733 894 BellSouth Network Solutions, 7018 668 1484 AT&T WorldNet Services 2386 595 841 AT&T Data Communications Serv 9583 540 724 Sify Limited 27364 523 534 Armstrong Cable Services 4323 516 1105 Time Warner Telecom 5668 404 486 CenturyTel Internet Holdings, 4766 401 584 Korea Telecom (KIX) 1239 383 910 Sprint 702 365 593 UUNET - Commercial IP service 6198 337 462 BellSouth Network Solutions, 6467 315 434 E.Spire Communications, Inc. 10036 313 313 C&M Communication Co. Ltd. 6517 295 318 Yipes Communications, Inc. 7011 295 345 Citizens Utilities 9929 282 358 China Netcom Corp. 11456 274 315 Carolina Online, Inc. 15270 254 274 PaeTec.net -a division of Pae 3320 248 303 Deutsche Telekom AG

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

4:4 8:12 12:1518 13:1 15:9 16:2 17:3 18:4 20:4 24:934 30:2 32:69 33:4 38:109 40:53 44:3 47:2 52:4 55:2 56:3 57:24 58:43 59:23 60:21 61:754 62:585 63:1873 64:2678 65:2079 66:2784 67:553 68:515 69:997 70:93 71:5 72:154 80:559 81:538 82:396 83:241 84:159 85:177 86:2 128:147 129:158 130:88 131:277 132:34 133:1 134:148 135:39 136:191 137:65 138:172 139:54 140:193 141:106 142:139 143:133 144:167 145:32 146:280 147:104 148:293 149:169 150:97 151:63 152:107 153:87 154:5 155:143 156:77 157:93 158:167 159:173 160:75 161:60 162:203 163:84 164:207 165:174 166:154 167:231 168:418 169:139 170:315 171:8 172:2 192:5691 193:3176 194:2336 195:1546 196:652 198:3903 199:3280 200:4036 201:116 202:5532 203:6153 204:3804 205:2025 206:2454 207:2752 208:2091 209:3276 210:1704 211:838 212:1186 213:1278 214:273 215:32 216:3571 217:1133 218:191 219:107 220:364 221:197 222:92

End of report