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Routing Table Report 04:00 +10GMT Tue 13 Jul, 2004
Analysis Summary ----------------
BGP routing table entries examined: 142613 Prefixes after maximum aggregation: 85540 Unique aggregates announced to Internet: 68464 Total ASes present in the Internet Routing Table: 17586 Origin-only ASes present in the Internet Routing Table: 15243 Origin ASes announcing only one prefix: 7153 Transit ASes present in the Internet Routing Table: 2343 Transit-only ASes present in the Internet Routing Table: 77 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 26 Prefixes from unregistered ASNs in the Routing Table: 8 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 19 Number of addresses announced to Internet: 1301025640 Equivalent to 77 /8s, 140 /16s and 19 /24s Percentage of available address space announced: 35.1 Percentage of allocated address space announced: 57.6 Percentage of available address space allocated: 60.9 Total number of prefixes smaller than registry allocations: 65554
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 27276 Total APNIC prefixes after maximum aggregation: 14005 Prefixes being announced from the APNIC address blocks: 25512 Unique aggregates announced from the APNIC address blocks: 13953 APNIC Region origin ASes present in the Internet Routing Table: 2066 APNIC Region origin ASes announcing only one prefix: 622 APNIC Region transit ASes present in the Internet Routing Table: 335 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 151899968 Equivalent to 9 /8s, 13 /16s and 207 /24s Percentage of available APNIC address space announced: 69.3
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: 81765 Total ARIN prefixes after maximum aggregation: 50015 Prefixes being announced from the ARIN address blocks: 63525 Unique aggregates announced from the ARIN address blocks: 21944 ARIN Region origin ASes present in the Internet Routing Table: 9313 ARIN Region origin ASes announcing only one prefix: 3338 ARIN Region transit ASes present in the Internet Routing Table: 909 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 227359008 Equivalent to 13 /8s, 141 /16s and 57 /24s Percentage of available ARIN address space announced: 75.3
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: 26225 Total RIPE prefixes after maximum aggregation: 18552 Prefixes being announced from the RIPE address blocks: 22958 Unique aggregates announced from the RIPE address blocks: 15278 RIPE Region origin ASes present in the Internet Routing Table: 5657 RIPE Region origin ASes announcing only one prefix: 3059 RIPE Region transit ASes present in the Internet Routing Table: 979 Average RIPE Region AS path length visible: 5.4 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 165955136 Equivalent to 9 /8s, 228 /16s and 70 /24s Percentage of available RIPE address space announced: 58.2
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: 6214 Total LACNIC prefixes after maximum aggregation: 2256 Prefixes being announced from the LACNIC address blocks: 5876 Unique aggregates announced from the LACNIC address blocks: 3610 LACNIC Region origin ASes present in the Internet Routing Table: 381 LACNIC Region origin ASes announcing only one prefix: 111 LACNIC Region transit ASes present in the Internet Routing Table: 75 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 16 Number of LACNIC addresses announced to Internet: 15279104 Equivalent to 0 /8s, 233 /16s and 36 /24s Percentage of available LACNIC address space announced: 45.5
LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary ----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1130 Total AfriNIC prefixes after maximum aggregation: 712 Prefixes being announced from the AfriNIC address blocks: 806 Unique aggregates announced from the AfriNIC address blocks: 636 AfriNIC Region origin ASes present in the Internet Routing Table: 92 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: 5.4 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 1892608 Equivalent to 0 /8s, 28 /16s and 225 /24s Percentage of available AfriNIC address space announced: 11.3
AfriNIC AS Blocks <none> AfriNIC Address Blocks 196/8
APNIC Region per AS prefix count summary ----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 1221 822 1057 592 Telstra Pty Ltd 4134 809 3792 148 Data Communications Bureau 4766 497 2895 264 Korea Internet Exchange for " 9583 488 39 105 Satyam Infoway Ltd., 4755 401 133 61 Videsh Sanchar Nigam Ltd. Aut 9443 353 69 78 Primus Telecommunications 2907 352 1840 326 SINET Japan 17676 341 5084 33 XTAGE CORPORATION 9929 327 157 32 China Netcom Corp. 17557 321 22 164 Pakistan Telecom 703 319 342 248 UUNET 2764 286 258 236 connect.com.au pty ltd 7474 266 269 206 Optus Communications Pty Ltd 9942 230 71 128 COMindico Australia 4802 225 25 141 Wantree Development 9800 224 369 62 CHINA UNICOM 9498 218 48 49 BHARTI BT INTERNET LTD. 10036 198 18 179 C&M Communication Co. Ltd. 4837 189 2019 105 chinanet IDC center beijing n 17974 183 51 99 PT TELEKOMUNIKASI INDONESIA
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1436 6878 988 AT&T 701 1304 8440 935 UUNET Technologies, Inc. 6347 959 396 102 SAVVIS Communications Corpora 1239 935 2888 627 Sprint 3356 892 10932 674 Level 3 Communications, LLC 4323 740 569 206 Time Warner Communications, I 18566 726 192 8 Covad Communications 6197 709 526 278 BellSouth Network Solutions, 209 615 3454 506 Qwest 20115 565 375 290 Charter Communications 2548 550 899 131 Business Internet, Inc. 7843 514 669 129 Adelphia Corp. 6198 513 396 214 BellSouth Network Solutions, 852 510 1142 398 Telus Advanced Communications 7132 470 7879 354 Southwestern Bell Internet Se 721 464 15309 334 DLA Systems Automation Center 2386 408 549 227 AT&T Data Communications Serv 22909 398 826 22 Comcast Cable Corporation 4355 391 323 101 EarthLink, Inc. 705 389 128 265 UUNET Technologies, Inc.
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 652 2040 544 UUNET - Commercial IP service 3320 297 2463 237 Deutsche Telekom AG 3301 282 1098 271 TeliaNet Sweden 8220 274 429 262 COLT Internet - International 1257 248 498 196 SWIPnet Swedish IP Network 680 244 2025 239 DFN-IP service G-WiN 13083 216 51 8 Mannesmann Datenverarbeitung 3246 213 479 210 Song Networks 5515 200 842 146 Sonera Solution Autonomous Sy 8708 189 112 177 Romania Data Systems S.A. 719 181 288 103 LANLINK autonomous system 3215 179 895 70 France Telecom Transpac 786 174 1794 174 The JANET IP Service 25186 172 156 114 France Telecom Transpac's Tra 6746 158 29 128 Dynamic Network Technologies, 5400 145 205 120 BT Ignite European Backbone 3269 135 1099 64 TELECOM ITALIA 3303 130 609 129 Swisscom Ltd 8866 130 14 11 Bulgarian Telecommunication C 12302 128 18 32 MobiFon S.A.
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 333 140 65 ImpSat 8151 276 389 128 UniNet S.A. de C.V. 16814 219 14 8 NSS, S.A. 6147 186 86 20 Telefonica Del Peru 7303 148 54 27 Telecom Argentina Stet-France 6505 134 90 92 Global One Communicaoes Ltda 6503 129 202 87 AVANTEL, S.A. 11992 91 9 29 Integrated Systems 11556 87 57 24 Cable-Wireless Panama 6535 81 5 16 Chilesat Servicios Empresari 14420 79 5 29 ANDINATEL S.A. 15311 75 19 37 Telefonica Empresas 11311 72 7 17 Sinectis S.A. 14535 72 6 5 Techtel S.A. 5639 71 8 8 Telecommunications Services o 4270 70 18 9 Red de Interconexion Universi 14117 69 5 4 Telefonica del Sur S.A. 10292 67 6 26 TELECOMMUNICATIONS OF JAMAICA 11340 67 5 36 Red Universitaria Nacional
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 252 632 219 The Internet Solution 2018 94 297 92 Tertiary Education Network 2905 90 276 80 The Internetworking Company o 5536 87 5 33 Internet Egypt Network 11845 38 9 11 Data Pro Business Online 24835 31 18 6 RAYA Telecom - Egypt 16637 30 9 23 Johnnic e-Ventures 6713 26 38 9 Itissalat Al-MAGHRIB 9129 26 3 4 UUNET Kenya 5713 25 125 23 Telkom SA Ltd 14988 25 16 1 Botswana Telecommunications C 8524 24 2 7 AUCEGYPT Autonomous System 12455 23 4 2 Jambonet Autonomous system 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 959 857 SAVVIS Communications Corpora 18566 726 718 Covad Communications 4134 809 661 Data Communications Bureau 4323 740 534 Time Warner Communications, I 6197 709 431 BellSouth Network Solutions, 2548 550 419 Business Internet, Inc. 7843 514 385 Adelphia Corp. 9583 488 383 Satyam Infoway Ltd., 22909 398 376 Comcast Cable Corporation 701 1304 369 UUNET Technologies, Inc. 5668 380 362 Century Telephone 27364 377 358 Armstrong Cable Services 4755 401 340 Videsh Sanchar Nigam Ltd. Aut 22773 384 327 Cox Communications, Inc. Atla 6467 342 310 E.Spire Communications, Inc. 1239 935 308 Sprint 17676 341 308 XTAGE CORPORATION 6198 513 299 BellSouth Network Solutions, 11172 356 298 Servicios Alestra S.A de C.V 9929 327 295 China Netcom Corp.
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 1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U 18412 UNALLOCATED 211.77.0.0/19 9674 Far EastTone Telecom 63330 RESERVED 213.8.224.0/23 5486 Euronet Digital Comm 63330 RESERVED 213.8.226.0/23 5486 Euronet Digital Comm
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 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 192.172.0.0/19 721 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 /8:18 /9:3 /10:6 /11:15 /12:59 /13:127 /14:302 /15:523 /16:7896 /17:2104 /18:3689 /19:9536 /20:10009 /21:7529 /22:10401 /23:11951 /24:77748 /25:215 /26:213 /27:153 /28:25 /29:15 /30:66 /31:0 /32:10
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6347 738 959 SAVVIS Communications Corpora 18566 709 726 Covad Communications 7018 557 1436 AT&T 6197 538 709 BellSouth Network Solutions, 3356 501 892 Level 3 Communications, LLC 702 400 652 UUNET - Commercial IP service 6198 382 513 BellSouth Network Solutions, 1239 373 935 Sprint 701 369 1304 UUNET Technologies, Inc. 27364 364 377 Armstrong Cable Services 9583 334 488 Satyam Infoway Ltd., 5668 333 380 Century Telephone 2548 331 550 Business Internet, Inc. 4766 316 497 Korea Internet Exchange for " 20115 299 565 Charter Communications 9929 259 327 China Netcom Corp. 14824 254 278 NewSouth Communications Corp. 3320 246 297 Deutsche Telekom AG 6467 246 342 E.Spire Communications, Inc. 13609 245 288 Choice One Communications Inc
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:3 12:830 13:1 15:5 16:2 17:3 20:8 24:763 32:65 33:2 38:74 40:54 44:4 55:1 56:3 57:16 60:3 61:456 62:498 63:1877 64:2048 65:2042 66:2701 67:339 68:503 69:637 70:64 80:564 81:337 82:184 83:101 84:5 128:149 129:173 130:80 131:186 132:23 134:177 135:17 136:178 137:54 138:169 139:35 140:166 141:122 142:118 143:59 144:102 145:42 146:288 147:77 148:417 149:109 150:94 151:71 152:162 153:64 154:2 155:145 156:60 157:63 158:139 159:148 160:52 161:66 162:382 163:77 164:186 165:164 166:105 167:219 168:232 169:111 170:286 171:8 192:5554 193:2809 194:2055 195:1385 196:571 198:3665 199:3113 200:3613 201:8 202:4728 203:5640 204:3130 205:2104 206:2273 207:2507 208:2194 209:3053 210:1451 211:570 212:971 213:1173 214:70 215:30 216:3750 217:944 218:171 219:119 220:228 221:31 222:68
End of report
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