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Routing Table Report 04:00 +10GMT Tue 01 Mar, 2005
Analysis Summary ----------------
BGP routing table entries examined: 156734 Prefixes after maximum aggregation: 91794 Unique aggregates announced to Internet: 75896 Total ASes present in the Internet Routing Table: 19039 Origin-only ASes present in the Internet Routing Table: 16562 Origin ASes announcing only one prefix: 7722 Transit ASes present in the Internet Routing Table: 2477 Transit-only ASes present in the Internet Routing Table: 81 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 23 Prefixes from unregistered ASNs in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1380281568 Equivalent to 82 /8s, 69 /16s and 108 /24s Percentage of available address space announced: 37.2 Percentage of allocated address space announced: 58.9 Percentage of available address space allocated: 63.2 Total number of prefixes smaller than registry allocations: 72909
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 31272 Total APNIC prefixes after maximum aggregation: 15149 Prefixes being announced from the APNIC address blocks: 29299 Unique aggregates announced from the APNIC address blocks: 15284 APNIC Region origin ASes present in the Internet Routing Table: 2215 APNIC Region origin ASes announcing only one prefix: 652 APNIC Region transit ASes present in the Internet Routing Table: 324 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 175444352 Equivalent to 10 /8s, 117 /16s and 17 /24s Percentage of available APNIC address space announced: 65.1
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 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: 87417 Total ARIN prefixes after maximum aggregation: 52975 Prefixes being announced from the ARIN address blocks: 66727 Unique aggregates announced from the ARIN address blocks: 24415 ARIN Region origin ASes present in the Internet Routing Table: 9892 ARIN Region origin ASes announcing only one prefix: 3572 ARIN Region transit ASes present in the Internet Routing Table: 947 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 239945728 Equivalent to 14 /8s, 77 /16s and 72 /24s Percentage of available ARIN address space announced: 71.5
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, 29696-30719, 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: 29780 Total RIPE prefixes after maximum aggregation: 20553 Prefixes being announced from the RIPE address blocks: 26678 Unique aggregates announced from the RIPE address blocks: 17765 RIPE Region origin ASes present in the Internet Routing Table: 6339 RIPE Region origin ASes announcing only one prefix: 3349 RIPE Region transit ASes present in the Internet Routing Table: 1075 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 23 Number of RIPE addresses announced to Internet: 193143120 Equivalent to 11 /8s, 131 /16s and 33 /24s Percentage of available RIPE address space announced: 67.7
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: 6878 Total LACNIC prefixes after maximum aggregation: 2407 Prefixes being announced from the LACNIC address blocks: 6797 Unique aggregates announced from the LACNIC address blocks: 4011 LACNIC Region origin ASes present in the Internet Routing Table: 420 LACNIC Region origin ASes announcing only one prefix: 125 LACNIC Region transit ASes present in the Internet Routing Table: 81 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 17648384 Equivalent to 1 /8s, 13 /16s and 75 /24s Percentage of available LACNIC address space announced: 52.6
LACNIC AS Blocks 26592-26623, 27648-28671 LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary ----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1380 Total AfriNIC prefixes after maximum aggregation: 710 Prefixes being announced from the AfriNIC address blocks: 911 Unique aggregates announced from the AfriNIC address blocks: 716 AfriNIC Region origin ASes present in the Internet Routing Table: 96 AfriNIC Region origin ASes announcing only one prefix: 24 AfriNIC Region transit ASes present in the Internet Routing Table: 14 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC addresses announced to Internet: 2177280 Equivalent to 0 /8s, 33 /16s and 57 /24s Percentage of available AfriNIC address space announced: 13.0
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 886 4712 174 Data Communications Bureau 1221 789 1188 562 Telstra Pty Ltd 9583 606 49 18 Satyam Infoway Ltd., 4766 587 3416 281 Korea Internet Exchange for " 4755 470 241 101 Videsh Sanchar Nigam Ltd. Aut 7545 463 74 158 TPG Internet Pty Ltd 17676 403 6060 70 XTAGE CORPORATION 9443 374 77 79 Primus Telecommunications 9929 353 165 37 China Netcom Corp. 2907 349 1839 323 SINET Japan 17557 324 24 149 Pakistan Telecom 10036 297 27 270 C&M Communication Co. Ltd. 7474 285 283 207 Optus Communications Pty Ltd 703 272 355 214 UUNET 2764 258 238 206 connect.com.au pty ltd 9498 245 81 53 BHARTI BT INTERNET LTD. 9800 240 395 71 CHINA UNICOM 4808 238 170 129 CHINANET core WAN North 4802 231 28 140 Wantree Development 17974 231 63 24 PT TELEKOMUNIKASI INDONESIA
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1477 6610 972 AT&T WorldNet Services 721 1168 21835 318 DLA Systems Automation Center 4323 1035 668 221 Time Warner Telecom 701 1029 8307 873 UUNET Technologies, Inc. 1239 928 2872 659 Sprint 6197 869 379 407 BellSouth Network Solutions, 2386 819 497 608 AT&T Data Communications Serv 18566 767 208 6 Covad Communications 174 733 5522 637 PSINet Inc. 209 653 3466 502 Qwest 3356 591 10867 442 Level 3 Communications, LLC 20115 573 474 300 Charter Communications 3561 561 2374 416 Cable & Wireless USA 852 527 1126 399 Telus Advanced Communications 3602 501 120 93 Sprint Canada, Inc. 6478 498 830 104 AT&T Worldnet Services 22773 475 1090 24 Cox Communications, Inc. Atla 6198 467 567 189 BellSouth Network Solutions, 27364 465 43 18 Armstrong Cable Services 5668 451 91 20 Century Telephone
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 609 2006 500 UUNET - Commercial IP service 3320 296 2992 230 Deutsche Telekom AG 3301 290 1112 278 TeliaNet Sweden 8220 277 466 271 COLT Internet - International 680 253 2041 239 DFN-IP service G-WiN 3246 226 472 220 Song Networks 8708 221 120 199 Romania Data Systems S.A. 13083 217 51 8 Mannesmann Datenverarbeitung 1257 207 708 173 SWIPnet Swedish IP Network 3215 204 1034 78 France Telecom Transpac 5515 187 842 135 Sonera Solution Autonomous Sy 6746 178 47 142 Dynamic Network Technologies, 786 176 1794 176 The JANET IP Service 8866 176 20 16 Bulgarian Telecommunication C 3300 164 185 84 AUCS Communications Services 3269 163 1424 72 TELECOM ITALIA 719 161 322 103 LANLINK autonomous system 9121 146 227 21 TTnet Autonomous System 25186 142 138 100 France Telecom Transpac's Tra 5400 139 234 123 BT Ignite European Backbone
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 6140 361 140 70 ImpSat 8151 336 501 143 UniNet S.A. de C.V. 16814 233 14 6 NSS, S.A. 11172 220 99 54 Servicios Alestra S.A de C.V 6147 205 102 20 Telefonica Del Peru 11664 150 19 24 Keytech SA 7303 146 66 30 Telecom Argentina Stet-France 6505 134 90 90 Global One Communicaoes Ltda 14117 119 7 5 Telefonica del Sur S.A. 6503 113 145 75 AVANTEL, S.A. 11992 107 9 31 Integrated Systems 11556 97 48 3 Cable-Wireless Panama 13999 89 52 9 Mega Cable S.A. de C.V. 11311 88 8 23 Sinectis S.A. 6535 87 7 23 Chilesat Servicios Empresari 14420 87 6 42 ANDINATEL S.A. 5639 83 12 9 Telecommunications Services o 10481 81 32 7 Prima S.A. 15311 77 24 36 Telefonica Empresas 4270 76 18 9 Red de Interconexion Universi
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 268 635 225 The Internet Solution 5536 114 15 18 Internet Egypt Network 2018 90 295 87 Tertiary Education Network 20928 86 16 2 Noor Advanced Technologies AS 2905 84 267 76 The Internetworking Company o 8452 53 20 5 TEDATA 24835 53 34 6 RAYA Telecom - Egypt 11845 42 9 11 Data Pro Business Online 6713 35 54 9 Itissalat Al-MAGHRIB 9129 31 3 2 UUNET Kenya 12455 30 6 7 Jambonet Autonomous system 5713 27 141 24 Telkom SA Ltd 8524 23 1 4 AUCEGYPT Autonomous System 16637 22 10 19 Johnnic e-Ventures 10798 19 1 11 Standard Bank of South Africa 12258 18 3 12 Vodacom Internet Company 8346 17 10 11 SONATEL-AS Autonomous System 21280 17 2 3 Swift Global Kenya Ltd.Is an 21491 16 1 3 UTL On-line is RF broadband I 15706 15 4 2 Sudatel Internet Exchange Aut
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 721 1168 850 DLA Systems Automation Center 4323 1035 814 Time Warner Telecom 18566 767 761 Covad Communications 4134 886 712 Data Communications Bureau 9583 606 588 Satyam Infoway Ltd., 6197 869 462 BellSouth Network Solutions, 22773 475 451 Cox Communications, Inc. Atla 27364 465 447 Armstrong Cable Services 5668 451 431 Century Telephone 3602 501 408 Sprint Canada, Inc. 6478 498 394 AT&T Worldnet Services 4755 470 369 Videsh Sanchar Nigam Ltd. Aut 17676 403 333 XTAGE CORPORATION 6467 360 327 E.Spire Communications, Inc. 9929 353 316 China Netcom Corp. 4766 587 306 Korea Internet Exchange for " 7545 463 305 TPG Internet Pty Ltd 9443 374 295 Primus Telecommunications 6140 361 291 ImpSat 6198 467 278 BellSouth Network Solutions,
List of Unregistered ASNs (Global) ----------------------------------
Bad AS Designation Network Transit AS Description 25695 UNALLOCATED 64.57.112.0/20 5713 Telkom SA Ltd 64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati 40439 UNALLOCATED 66.194.101.0/24 30439 Memphis Daily News 65503 PRIVATE 193.125.183.0/24 3217 SIMBIRSK 65535 PRIVATE 204.10.155.0/24 33205 KMC Telecom Solution 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 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 /11:14 /12:62 /13:148 /14:306 /15:566 /16:8291 /17:2425 /18:4139 /19:10096 /20:10733 /21:8566 /22:11881 /23:13065 /24:85601 /25:266 /26:242 /27:108 /28:49 /29:24 /30:82 /31:0 /32:40
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 752 767 Covad Communications 6197 712 869 BellSouth Network Solutions, 7018 635 1477 AT&T WorldNet Services 2386 583 819 AT&T Data Communications Serv 4323 482 1035 Time Warner Telecom 27364 450 465 Armstrong Cable Services 9583 429 606 Satyam Infoway Ltd., 4766 402 587 Korea Internet Exchange for " 5668 381 451 Century Telephone 702 371 609 UUNET - Commercial IP service 1239 371 928 Sprint 6198 334 467 BellSouth Network Solutions, 10036 297 297 C&M Communication Co. Ltd. 6517 287 309 Yipes Communications, Inc. 9929 278 353 China Netcom Corp. 6467 272 360 E.Spire Communications, Inc. 11456 263 310 Carolina Online, Inc. 13609 257 306 Choice One Communications Inc 701 247 1029 UUNET Technologies, Inc. 25844 245 245 Skadden, Arps, Slate, Meagher
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:4 8:9 12:1489 13:1 15:9 16:2 17:3 18:4 20:5 24:736 32:64 33:4 38:98 40:55 44:3 47:2 52:3 55:2 56:3 57:23 58:1 59:3 60:21 61:708 62:528 63:1863 64:2561 65:2052 66:2710 67:521 68:503 69:890 70:65 71:10 72:73 80:545 81:519 82:331 83:270 84:130 85:138 128:137 129:162 130:94 131:279 132:36 133:1 134:142 135:30 136:191 137:65 138:159 139:53 140:198 141:101 142:140 143:129 144:171 145:44 146:278 147:100 148:267 149:164 150:95 151:63 152:110 153:85 154:3 155:143 156:71 157:81 158:152 159:166 160:67 161:59 162:420 163:85 164:216 165:164 166:129 167:226 168:401 169:133 170:310 171:9 192:5673 193:3115 194:2278 195:1588 196:639 198:3911 199:3326 200:3978 201:52 202:5197 203:6045 204:3703 205:2018 206:2348 207:2725 208:2094 209:3175 210:1584 211:798 212:1174 213:1268 214:242 215:31 216:3652 217:1075 218:190 219:104 220:367 221:89 222:72
End of report
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