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Routing Table Report 04:00 +10GMT Thu 24 Jun, 2004
Analysis Summary ----------------
BGP routing table entries examined: 141301 Prefixes after maximum aggregation: 85213 Unique aggregates announced to Internet: 68128 Total ASes present in the Internet Routing Table: 17473 Origin-only ASes present in the Internet Routing Table: 15161 Origin ASes announcing only one prefix: 7063 Transit ASes present in the Internet Routing Table: 2312 Transit-only ASes present in the Internet Routing Table: 71 Average AS path length visible in the Internet Routing Table: 4.9 Max AS path length visible: 26 Illegal AS announcements present in the Routing Table: 9 Non-routable prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 19 Number of addresses announced to Internet: 1313444124 Equivalent to 78 /8s, 73 /16s and 145 /24s Percentage of available address space announced: 35.4 Percentage of allocated address space announced: 58.2 Percentage of available address space allocated: 60.9 Total number of prefixes smaller than registry allocations: 64653
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 26950 Total APNIC prefixes after maximum aggregation: 13969 Prefixes being announced from the APNIC address blocks: 25171 Unique aggregates announced from the APNIC address blocks: 13914 APNIC Region origin ASes present in the Internet Routing Table: 2069 APNIC Region origin ASes announcing only one prefix: 615 APNIC Region transit ASes present in the Internet Routing Table: 334 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 150386688 Equivalent to 8 /8s, 246 /16s and 184 /24s Percentage of available APNIC address space announced: 68.6
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: 81061 Total ARIN prefixes after maximum aggregation: 49899 Prefixes being announced from the ARIN address blocks: 62841 Unique aggregates announced from the ARIN address blocks: 21907 ARIN Region origin ASes present in the Internet Routing Table: 9271 ARIN Region origin ASes announcing only one prefix: 3307 ARIN Region transit ASes present in the Internet Routing Table: 900 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 225697824 Equivalent to 13 /8s, 115 /16s and 224 /24s Percentage of available ARIN address space announced: 74.7
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, 70/8, 198/7, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 25968 Total RIPE prefixes after maximum aggregation: 18421 Prefixes being announced from the RIPE address blocks: 22735 Unique aggregates announced from the RIPE address blocks: 15122 RIPE Region origin ASes present in the Internet Routing Table: 5594 RIPE Region origin ASes announcing only one prefix: 3009 RIPE Region transit ASes present in the Internet Routing Table: 965 Average RIPE Region AS path length visible: 5.5 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 164841280 Equivalent to 9 /8s, 211 /16s and 71 /24s Percentage of available RIPE address space announced: 57.8
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 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: 6166 Total LACNIC prefixes after maximum aggregation: 2248 Prefixes being announced from the LACNIC address blocks: 5798 Unique aggregates announced from the LACNIC address blocks: 3549 LACNIC Region origin ASes present in the Internet Routing Table: 378 LACNIC Region origin ASes announcing only one prefix: 109 LACNIC Region transit ASes present in the Internet Routing Table: 74 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 15 Number of LACNIC addresses announced to Internet: 15094016 Equivalent to 0 /8s, 230 /16s and 81 /24s Percentage of available LACNIC address space announced: 45.0
LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary ----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1152 Total AfriNIC prefixes after maximum aggregation: 676 Prefixes being announced from the AfriNIC address blocks: 782 Unique aggregates announced from the AfriNIC address blocks: 584 AfriNIC Region origin ASes present in the Internet Routing Table: 91 AfriNIC Region origin ASes announcing only one prefix: 23 AfriNIC Region transit ASes present in the Internet Routing Table: 12 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 1886720 Equivalent to 0 /8s, 28 /16s and 202 /24s Percentage of available AfriNIC address space announced: 11.2
AfriNIC AS Blocks <none> AfriNIC Address Blocks 196/8
APNIC Region per AS prefix count summary ----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 1221 844 1075 612 Telstra Pty Ltd 4134 792 3664 146 Data Communications Bureau 4766 494 2896 264 Korea Internet Exchange for " 9583 460 38 98 Satyam Infoway Ltd., 4755 370 134 55 Videsh Sanchar Nigam Ltd. Aut 9443 353 69 78 Primus Telecommunications 2907 345 1823 322 SINET Japan 17676 341 5084 33 XTAGE CORPORATION 17557 337 23 165 Pakistan Telecom 703 325 359 254 UUNET 9929 321 156 33 China Netcom Corp. 2764 294 259 241 connect.com.au pty ltd 7474 262 267 205 Optus Communications Pty Ltd 9942 230 71 127 COMindico Australia 9800 224 369 62 CHINA UNICOM 9498 217 48 47 BHARTI BT INTERNET LTD. 10036 198 18 179 C&M Communication Co. Ltd. 4837 186 2019 105 chinanet IDC center beijing n 17974 183 51 98 PT TELEKOMUNIKASI INDONESIA 9304 179 161 25 Hutchison Telecom (HK)
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1457 6894 1012 AT&T 701 1297 8485 925 UUNET Technologies, Inc. 1239 939 2982 636 Sprint 6347 931 400 101 SAVVIS Communications Corpora 3356 899 10935 681 Level 3 Communications, LLC 4323 744 555 207 Time Warner Communications, I 18566 724 192 8 Covad Communications 6197 707 525 276 BellSouth Network Solutions, 209 606 3468 506 Qwest 6198 574 439 220 BellSouth Network Solutions, 20115 561 373 287 Charter Communications 852 514 1142 402 Telus Advanced Communications 7843 511 660 130 Adelphia Corp. 7132 454 7872 340 Southwestern Bell Internet Se 2386 426 565 228 AT&T Data Communications Serv 721 393 13171 289 DLA Systems Automation Center 4355 393 323 103 EarthLink, Inc. 22909 393 825 26 Comcast Cable Corporation 705 388 128 264 UUNET Technologies, Inc. 22773 387 781 55 Cox Communications, Inc. Atla
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 646 2039 539 UUNET - Commercial IP service 3320 297 2468 235 Deutsche Telekom AG 3301 295 1098 268 TeliaNet Sweden 8220 275 429 263 COLT Internet - International 1257 247 497 195 SWIPnet Swedish IP Network 680 244 2025 239 DFN-IP service G-WiN 13083 216 51 8 Mannesmann Datenverarbeitung 3246 209 475 206 Song Networks 5515 198 843 143 Sonera Solution Autonomous Sy 8708 185 112 173 Romania Data Systems S.A. 3215 182 895 69 France Telecom Transpac 719 180 288 102 LANLINK autonomous system 25186 174 156 115 France Telecom Transpac's Tra 786 173 1778 173 The JANET IP Service 6746 157 29 128 Dynamic Network Technologies, 5400 145 205 120 BT Ignite European Backbone 3269 134 1099 64 TELECOM ITALIA 3303 134 611 133 Swisscom Ltd 12302 127 18 31 MobiFon S.A. 8866 124 14 10 Bulgarian Telecommunication C
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 11172 356 96 58 Servicios Alestra S.A de C.V 6140 343 140 67 ImpSat 8151 270 373 128 UniNet S.A. de C.V. 16814 203 13 7 NSS, S.A. 6147 184 82 21 Telefonica Del Peru 7303 145 53 33 Telecom Argentina Stet-France 6505 134 90 92 Global One Communicaoes Ltda 6503 131 202 89 AVANTEL, S.A. 11992 92 9 29 Integrated Systems 11556 87 57 24 Cable-Wireless Panama 6535 80 5 17 Chilesat Servicios Empresari 14420 78 5 28 ANDINATEL S.A. 14535 76 6 5 Techtel S.A. 15311 75 19 37 Telefonica Empresas 11311 73 7 20 Sinectis S.A. 5639 72 8 8 Telecommunications Services o 4270 71 18 9 Red de Interconexion Universi 14117 69 5 4 Telefonica del Sur S.A. 14259 67 4 5 GTD Internet S.A. 10292 66 6 25 TELECOMMUNICATIONS OF JAMAICA
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 253 632 220 The Internet Solution 5536 111 16 4 Internet Egypt Network 2018 94 297 92 Tertiary Education Network 2905 90 276 80 The Internetworking Company o 11845 38 9 11 Data Pro Business Online 24835 31 18 6 RAYA Telecom - Egypt 9129 27 3 4 UUNET Kenya 8524 25 2 4 AUCEGYPT Autonomous System 16637 25 9 18 Johnnic e-Ventures 5713 24 125 23 Telkom SA Ltd 6713 24 38 9 Itissalat Al-MAGHRIB 12455 24 4 2 Jambonet Autonomous system 14988 24 16 1 Botswana Telecommunications C 10798 18 1 12 Standard Bank of South Africa 15706 16 2 3 Sudatel Internet Exchange Aut 12258 15 3 10 Vodacom Internet Company 8346 13 6 12 SONATEL-AS Autonomous System 17148 13 1 7 First National Bank 2609 12 26 4 Tunisia BackBone AS 15808 12 1 4 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 6347 931 830 SAVVIS Communications Corpora 18566 724 716 Covad Communications 4134 792 646 Data Communications Bureau 4323 744 537 Time Warner Communications, I 6197 707 431 BellSouth Network Solutions, 7843 511 381 Adelphia Corp. 701 1297 372 UUNET Technologies, Inc. 5668 384 368 Century Telephone 22909 393 367 Comcast Cable Corporation 9583 460 362 Satyam Infoway Ltd., 27364 376 357 Armstrong Cable Services 6198 574 354 BellSouth Network Solutions, 22773 387 332 Cox Communications, Inc. Atla 4755 370 315 Videsh Sanchar Nigam Ltd. Aut 17676 341 308 XTAGE CORPORATION 1239 939 303 Sprint 11172 356 298 Servicios Alestra S.A de C.V 4355 393 290 EarthLink, Inc. 9929 321 288 China Netcom Corp. 6140 343 276 ImpSat
List of Unregistered ASNs (Global) ----------------------------------
Bad AS Designation Network Transit AS Description 18416 UNALLOCATED 61.56.96.0/24 9919 New Century InfoComm 18416 UNALLOCATED 61.56.96.0/20 9919 New Century InfoComm 18416 UNALLOCATED 61.56.97.0/24 9919 New Century InfoComm 18416 UNALLOCATED 61.56.98.0/24 9919 New Century InfoComm 65501 PRIVATE 66.60.187.0/24 14051 Roseville Telephone 65501 PRIVATE 66.60.188.0/22 14051 Roseville Telephone 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 65000 PRIVATE 210.179.219.128/25 9768 Korea Telecom 18412 UNALLOCATED 211.77.0.0/19 9674 Far EastTone Telecom
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 132.0.0.0/10 568 DISO-UNRRA 137.0.0.0/13 721 DLA Systems Automation Center 156.154.16.0/22 7786 Lockheed Martin IMS 158.0.0.0/13 721 DLA Systems Automation Center 164.234.0.0/18 721 DLA Systems Automation Center 164.234.0.0/16 721 DLA Systems Automation Center 192.43.230.0/24 4738 South Australian Academic Res 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 192.136.79.0/24 719 LANLINK autonomous system 192.172.0.0/19 568 DISO-UNRRA 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 /12:59 /13:124 /14:301 /15:518 /16:7879 /17:2068 /18:3629 /19:9479 /20:9925 /21:7306 /22:10338 /23:11822 /24:77059 /25:234 /26:243 /27:151 /28:26 /29:15 /30:68 /31:0 /32:14
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6347 707 931 SAVVIS Communications Corpora 18566 707 724 Covad Communications 7018 569 1457 AT&T 6197 536 707 BellSouth Network Solutions, 3356 504 899 Level 3 Communications, LLC 6198 404 574 BellSouth Network Solutions, 702 394 646 UUNET - Commercial IP service 1239 372 939 Sprint 701 366 1297 UUNET Technologies, Inc. 27364 364 376 Armstrong Cable Services 5668 336 384 Century Telephone 4766 313 494 Korea Internet Exchange for " 9583 309 460 Satyam Infoway Ltd., 20115 296 561 Charter Communications 9929 255 321 China Netcom Corp. 14824 254 278 NewSouth Communications Corp. 690 246 282 Merit Network 3320 246 297 Deutsche Telekom AG 25844 244 244 Skadden, Arps, Slate, Meagher 13609 238 279 Choice One Communications Inc
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:3 12:819 13:1 15:5 16:2 17:3 20:8 24:751 32:65 33:1 38:70 40:53 44:4 55:1 56:3 57:15 61:451 62:500 63:1863 64:2006 65:2035 66:2591 67:333 68:499 69:584 70:64 80:514 81:324 82:178 83:88 84:3 128:149 129:176 130:77 131:187 132:21 133:1 134:182 135:17 136:183 137:54 138:167 139:37 140:215 141:124 142:119 143:57 144:101 145:41 146:307 147:77 148:417 149:118 150:96 151:72 152:165 153:64 154:1 155:118 156:60 157:60 158:143 159:147 160:52 161:64 162:383 163:76 164:180 165:159 166:96 167:216 168:227 169:111 170:285 171:8 192:5561 193:2776 194:2052 195:1372 196:555 198:3693 199:3099 200:3550 201:8 202:4658 203:5621 204:3110 205:2088 206:2307 207:2515 208:2219 209:2966 210:1420 211:553 212:990 213:1173 214:66 215:30 216:3716 217:936 218:166 219:112 220:231 221:30 222:39
End of report
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