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Routing Table Report 04:00 +10GMT Mon 19 Jul, 2004
Analysis Summary ----------------
BGP routing table entries examined: 142470 Prefixes after maximum aggregation: 85574 Unique aggregates announced to Internet: 68514 Total ASes present in the Internet Routing Table: 17599 Origin-only ASes present in the Internet Routing Table: 15258 Origin ASes announcing only one prefix: 7147 Transit ASes present in the Internet Routing Table: 2341 Transit-only ASes present in the Internet Routing Table: 71 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: 1303081116 Equivalent to 77 /8s, 171 /16s and 112 /24s Percentage of available address space announced: 35.2 Percentage of allocated address space announced: 57.7 Percentage of available address space allocated: 60.9 Total number of prefixes smaller than registry allocations: 65509
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 27377 Total APNIC prefixes after maximum aggregation: 14020 Prefixes being announced from the APNIC address blocks: 25605 Unique aggregates announced from the APNIC address blocks: 13993 APNIC Region origin ASes present in the Internet Routing Table: 2071 APNIC Region origin ASes announcing only one prefix: 626 APNIC Region transit ASes present in the Internet Routing Table: 333 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 153269184 Equivalent to 9 /8s, 34 /16s and 179 /24s Percentage of available APNIC address space announced: 69.9
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: 81423 Total ARIN prefixes after maximum aggregation: 50044 Prefixes being announced from the ARIN address blocks: 63213 Unique aggregates announced from the ARIN address blocks: 21959 ARIN Region origin ASes present in the Internet Routing Table: 9322 ARIN Region origin ASes announcing only one prefix: 3336 ARIN Region transit ASes present in the Internet Routing Table: 911 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 227457824 Equivalent to 13 /8s, 142 /16s and 187 /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: 26332 Total RIPE prefixes after maximum aggregation: 18581 Prefixes being announced from the RIPE address blocks: 23116 Unique aggregates announced from the RIPE address blocks: 15293 RIPE Region origin ASes present in the Internet Routing Table: 5663 RIPE Region origin ASes announcing only one prefix: 3053 RIPE Region transit ASes present in the Internet Routing Table: 980 Average RIPE Region AS path length visible: 5.4 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 167319488 Equivalent to 9 /8s, 249 /16s and 23 /24s Percentage of available RIPE address space announced: 58.7
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: 6137 Total LACNIC prefixes after maximum aggregation: 2247 Prefixes being announced from the LACNIC address blocks: 5814 Unique aggregates announced from the LACNIC address blocks: 3555 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: 73 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 16 Number of LACNIC addresses announced to Internet: 15297024 Equivalent to 0 /8s, 233 /16s and 106 /24s Percentage of available LACNIC address space announced: 45.6
LACNIC AS Blocks 26592 - 26623, 27648 - 28671 LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary ----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1198 Total AfriNIC prefixes after maximum aggregation: 682 Prefixes being announced from the AfriNIC address blocks: 810 Unique aggregates announced from the AfriNIC address blocks: 640 AfriNIC Region origin ASes present in the Internet Routing Table: 91 AfriNIC Region origin ASes announcing only one prefix: 21 AfriNIC Region transit ASes present in the Internet Routing Table: 13 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 1901568 Equivalent to 0 /8s, 29 /16s and 4 /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 821 1057 591 Telstra Pty Ltd 4134 809 4078 149 Data Communications Bureau 4766 498 2895 263 Korea Internet Exchange for " 9583 492 40 106 Satyam Infoway Ltd., 4755 400 133 58 Videsh Sanchar Nigam Ltd. Aut 9443 353 69 78 Primus Telecommunications 2907 351 1840 325 SINET Japan 17676 341 5084 33 XTAGE CORPORATION 9929 327 157 32 China Netcom Corp. 17557 321 22 164 Pakistan Telecom 703 318 343 247 UUNET 2764 288 258 235 connect.com.au pty ltd 7474 267 269 206 Optus Communications Pty Ltd 9942 230 71 128 COMindico Australia 4802 226 25 141 Wantree Development 9800 225 369 62 CHINA UNICOM 9498 220 48 50 BHARTI BT INTERNET LTD. 17633 209 54 8 ASN for Shandong Provincial N 10036 198 18 179 C&M Communication Co. Ltd. 4837 191 2019 105 chinanet IDC center beijing n
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1422 6861 988 AT&T 701 1298 8442 929 UUNET Technologies, Inc. 6347 957 390 126 SAVVIS Communications Corpora 1239 941 2892 627 Sprint 3356 894 10933 675 Level 3 Communications, LLC 4323 742 570 210 Time Warner Communications, I 18566 726 192 8 Covad Communications 6197 717 527 281 BellSouth Network Solutions, 209 610 3435 498 Qwest 20115 566 376 291 Charter Communications 7843 514 669 130 Adelphia Corp. 6198 512 396 214 BellSouth Network Solutions, 852 510 1142 398 Telus Advanced Communications 7132 478 7889 362 Southwestern Bell Internet Se 721 472 15373 337 DLA Systems Automation Center 2386 407 533 227 AT&T Data Communications Serv 22909 399 830 22 Comcast Cable Corporation 4355 391 323 101 EarthLink, Inc. 705 388 128 264 UUNET Technologies, Inc. 376 385 359 112 Reseau Interordinateurs Scien
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 651 2039 543 UUNET - Commercial IP service 3320 299 2463 239 Deutsche Telekom AG 3301 282 1098 271 TeliaNet Sweden 8220 277 433 264 COLT Internet - International 1257 251 747 186 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 192 113 176 Romania Data Systems S.A. 3215 182 895 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, 719 150 288 102 LANLINK autonomous system 5400 145 207 120 BT Ignite European Backbone 3269 134 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 354 96 56 Servicios Alestra S.A de C.V 6140 334 140 65 ImpSat 8151 276 389 128 UniNet S.A. de C.V. 16814 203 13 7 NSS, S.A. 6147 186 86 20 Telefonica Del Peru 6505 134 90 92 Global One Communicaoes Ltda 6503 129 202 87 AVANTEL, S.A. 7303 119 54 17 Telecom Argentina Stet-France 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 73 7 18 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 5536 111 16 4 Internet Egypt Network 2018 94 297 92 Tertiary Education Network 2905 92 276 81 The Internetworking Company o 11845 39 9 11 Data Pro Business Online 20928 38 16 1 Noor Advanced Technologies AS 24835 31 18 6 RAYA Telecom - Egypt 16637 30 9 23 Johnnic e-Ventures 6713 26 38 9 Itissalat Al-MAGHRIB 5713 25 125 23 Telkom SA Ltd 8524 25 2 4 AUCEGYPT Autonomous System 14988 25 16 1 Botswana Telecommunications C 9129 24 3 4 UUNET Kenya 12455 23 4 2 Jambonet Autonomous system 10798 18 1 12 Standard Bank of South Africa 15706 17 4 4 Sudatel Internet Exchange Aut 12258 15 3 10 Vodacom Internet Company 8346 13 6 12 SONATEL-AS Autonomous System 15804 13 2 1 AS of The Way Out Internet So 17148 13 1 7 First National Bank
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 6347 957 831 SAVVIS Communications Corpora 18566 726 718 Covad Communications 4134 809 660 Data Communications Bureau 4323 742 532 Time Warner Communications, I 6197 717 436 BellSouth Network Solutions, 9583 492 386 Satyam Infoway Ltd., 7843 514 384 Adelphia Corp. 22909 399 377 Comcast Cable Corporation 701 1298 369 UUNET Technologies, Inc. 5668 381 363 Century Telephone 27364 364 345 Armstrong Cable Services 4755 400 342 Videsh Sanchar Nigam Ltd. Aut 6467 368 335 E.Spire Communications, Inc. 22773 383 327 Cox Communications, Inc. Atla 1239 941 314 Sprint 17676 341 308 XTAGE CORPORATION 6198 512 298 BellSouth Network Solutions, 11172 354 298 Servicios Alestra S.A de C.V 9929 327 295 China Netcom Corp. 4355 391 290 EarthLink, Inc.
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 /12:61 /13:127 /14:302 /15:528 /16:7896 /17:2113 /18:3687 /19:9547 /20:10045 /21:7373 /22:10326 /23:11894 /24:77864 /25:225 /26:205 /27:108 /28:30 /29:18 /30:67 /31:0 /32:12
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6347 741 957 SAVVIS Communications Corpora 18566 709 726 Covad Communications 6197 545 717 BellSouth Network Solutions, 7018 544 1422 AT&T 3356 501 894 Level 3 Communications, LLC 702 399 651 UUNET - Commercial IP service 6198 381 512 BellSouth Network Solutions, 701 371 1298 UUNET Technologies, Inc. 1239 369 941 Sprint 27364 351 364 Armstrong Cable Services 9583 337 492 Satyam Infoway Ltd., 5668 334 381 Century Telephone 4766 316 498 Korea Internet Exchange for " 20115 300 566 Charter Communications 6467 267 368 E.Spire Communications, Inc. 9929 259 327 China Netcom Corp. 14824 253 277 NewSouth Communications Corp. 3320 248 299 Deutsche Telekom AG 13609 245 288 Choice One Communications Inc 25844 245 245 Skadden, Arps, Slate, Meagher
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:3 12:831 13:1 15:5 16:2 17:3 20:7 24:752 32:65 33:2 38:74 40:53 44:4 55:1 56:3 57:16 60:4 61:437 62:506 63:1878 64:2067 65:2036 66:2723 67:332 68:504 69:662 70:64 80:575 81:345 82:187 83:107 84:6 128:142 129:171 130:81 131:186 132:23 134:178 135:17 136:176 137:54 138:170 139:35 140:166 141:106 142:119 143:60 144:106 145:42 146:287 147:89 148:417 149:109 150:93 151:71 152:160 153:64 154:2 155:126 156:57 157:64 158:139 159:148 160:53 161:66 162:383 163:77 164:186 165:164 166:109 167:217 168:230 169:109 170:284 171:8 192:5555 193:2825 194:2061 195:1375 196:575 198:3643 199:3100 200:3573 201:9 202:4745 203:5663 204:3108 205:2099 206:2254 207:2509 208:2193 209:3050 210:1486 211:571 212:999 213:1189 214:70 215:30 216:3753 217:977 218:171 219:119 220:227 221:31 222:105
End of report
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