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Routing Table Report 04:00 +10GMT Fri 30 Sep, 2005
Analysis Summary ----------------
BGP routing table entries examined: 171037 Prefixes after maximum aggregation: 97566 Unique aggregates announced to Internet: 82550 Total ASes present in the Internet Routing Table: 20611 Origin-only ASes present in the Internet Routing Table: 17919 Origin ASes announcing only one prefix: 8510 Transit ASes present in the Internet Routing Table: 2692 Transit-only ASes present in the Internet Routing Table: 72 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 28 Prefixes from unregistered ASNs in the Routing Table: 19 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1427106816 Equivalent to 85 /8s, 15 /16s and 236 /24s Percentage of available address space announced: 38.5 Percentage of allocated address space announced: 58.0 Percentage of available address space allocated: 66.4 Total number of prefixes smaller than registry allocations: 81428
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 35594 Total APNIC prefixes after maximum aggregation: 15664 Prefixes being announced from the APNIC address blocks: 33439 Unique aggregates announced from the APNIC address blocks: 16485 APNIC Region origin ASes present in the Internet Routing Table: 2373 APNIC Region origin ASes announcing only one prefix: 700 APNIC Region transit ASes present in the Internet Routing Table: 363 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 200552448 Equivalent to 11 /8s, 244 /16s and 48 /24s Percentage of available APNIC address space announced: 74.4
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911 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: 90926 Total ARIN prefixes after maximum aggregation: 55342 Prefixes being announced from the ARIN address blocks: 70997 Unique aggregates announced from the ARIN address blocks: 26320 ARIN Region origin ASes present in the Internet Routing Table: 10240 ARIN Region origin ASes announcing only one prefix: 3783 ARIN Region transit ASes present in the Internet Routing Table: 958 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 270737152 Equivalent to 16 /8s, 35 /16s and 31 /24s Percentage of available ARIN address space announced: 67.2
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, 74/7, 76/8, 198/7, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 33150 Total RIPE prefixes after maximum aggregation: 22528 Prefixes being announced from the RIPE address blocks: 30194 Unique aggregates announced from the RIPE address blocks: 20178 RIPE Region origin ASes present in the Internet Routing Table: 7155 RIPE Region origin ASes announcing only one prefix: 3784 RIPE Region transit ASes present in the Internet Routing Table: 1191 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 28 Number of RIPE addresses announced to Internet: 218822976 Equivalent to 13 /8s, 10 /16s and 249 /24s Percentage of available RIPE address space announced: 65.2
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, 38912-39935 RIPE Address Blocks 62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 9606 Total LACNIC prefixes after maximum aggregation: 3217 Prefixes being announced from the LACNIC address blocks: 7947 Unique aggregates announced from the LACNIC address blocks: 4636 LACNIC Region origin ASes present in the Internet Routing Table: 638 LACNIC Region origin ASes announcing only one prefix: 200 LACNIC Region transit ASes present in the Internet Routing Table: 122 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 25 Number of LACNIC addresses announced to Internet: 22060544 Equivalent to 1 /8s, 80 /16s and 158 /24s Percentage of available LACNIC address space announced: 32.9
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary -------------------------------
Prefixes being announced by AfriNIC Region ASes: 1738 Total AfriNIC prefixes after maximum aggregation: 815 Prefixes being announced from the AfriNIC address blocks: 1057 Unique aggregates announced from the AfriNIC address blocks: 804 AfriNIC Region origin ASes present in the Internet Routing Table: 141 AfriNIC Region origin ASes announcing only one prefix: 43 AfriNIC Region transit ASes present in the Internet Routing Table: 20 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 13 Number of AfriNIC addresses announced to Internet: 2734336 Equivalent to 0 /8s, 41 /16s and 185 /24s Percentage of available AfriNIC address space announced: 8.1
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 987 6103 205 CHINANET-BACKBONE 9583 796 77 12 Sify Limited 1221 755 1330 519 Telstra Pty Ltd 4755 722 259 66 Videsh Sanchar Nigam Ltd. Aut 4766 609 3927 289 Korea Telecom (KIX) 7545 509 108 72 TPG Internet Pty Ltd 17676 469 6803 99 Softbank BB Corp. 9443 392 87 78 Primus Telecommunications 9498 338 148 59 BHARTI BT INTERNET LTD. 2907 336 1757 313 SINET Japan 17488 335 20 9 Hathway IP Over Cable Interne 9929 330 224 46 China Netcom Corp. 17557 327 23 160 Pakistan Telecom 7474 312 257 215 SingTel Optus Pty Ltd 17974 301 82 14 PT TELEKOMUNIKASI INDONESIA 4802 299 66 158 Wantree Development 18302 293 109 160 SK Global co., Ltd 9837 273 79 174 Powertel Ltd 18101 254 68 18 Reliance Infocom Ltd Internet 703 253 263 206 UUNET - Commercial IP service
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1507 6360 986 AT&T WorldNet Services 4323 1178 705 228 Time Warner Telecom 721 1073 21922 308 DLA Systems Automation Center 174 1070 5850 1003 Cogent Communications 701 992 8120 835 UUNET Technologies, Inc. 6197 948 399 483 BellSouth Network Solutions, 2386 921 513 683 AT&T Data Communications Serv 1239 861 2851 605 Sprint 18566 857 240 7 Covad Communications 20115 648 506 326 Charter Communications 209 633 3585 498 Qwest 3356 570 10659 441 Level 3 Communications, LLC 3602 555 131 107 Sprint Canada, Inc. 22773 542 1352 30 Cox Communications, Inc. 3561 538 2409 418 Savvis 5668 490 115 23 CenturyTel Internet Holdings, 6198 474 417 228 BellSouth Network Solutions, 7132 466 4950 398 SBC Internet Services 19262 464 1402 118 Verizon Global Networks 852 437 1092 384 Telus Advanced Communications
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 609 1993 481 UUNET - Commercial IP service 3301 301 1081 287 TeliaNet Sweden 3320 285 3230 238 Deutsche Telekom AG 8220 267 475 262 COLT Telecommunications 680 244 2040 240 DFN-IP service G-WiN 8708 239 262 218 Romania Data Systems S.A. 9121 230 336 26 TTnet Autonomous System 3246 227 476 220 Song Networks 1257 194 712 172 SWIPnet Swedish IP Network 6746 186 50 161 Dynamic Network Technologies, 5515 185 778 127 Sonera Solution Autonomous Sy 3269 176 1606 69 TELECOM ITALIA 786 174 1795 174 The JANET IP Service 5400 169 289 142 BT Ignite European Backbone 8866 163 37 9 Bulgarian Telecommunication C 6830 158 669 33 UPC Distribution Services 3300 156 185 91 AUCS Communications Services 25186 144 145 101 France Telecom Transpac's Tra 3215 140 1205 82 France Telecom Transpac 24863 138 37 6 LINKdotNET AS number
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 401 650 171 UniNet S.A. de C.V. 16814 298 18 7 NSS, S.A. 11172 272 85 63 Servicios Alestra S.A de C.V 11664 204 22 24 Keytech SA 6147 190 116 23 Telefonica Del Peru 19632 183 14 5 Metropolis Intercom S.A. 22047 171 128 7 VTR PUNTO NET S.A. 14117 155 10 5 Telefonica del Sur S.A. 7303 147 70 15 Telecom Argentina Stet-France 11556 132 64 2 Cable-Wireless Panama 19169 132 8 30 Telconet 6505 121 89 85 Global One Communicaoes Ltda 10481 121 48 8 Prima S.A. 13999 116 52 9 Mega Cable S.A. de C.V. 6503 113 148 74 AVANTEL, S.A. 18822 111 7 15 TELEFONICA MANQUEHUE 21826 105 13 16 INTERCABLE 5639 103 12 9 Telecommunications Services o 11311 99 8 10 Sinectis S.A. 23216 95 23 18 RAMtelecom Telecomunicaciones
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 266 708 223 The Internet Solution 5536 123 8 12 Internet Egypt Network 8452 108 32 7 TEDATA 2018 96 295 87 Tertiary Education Network 15475 84 84 4 Nile Online 2905 79 211 71 The Internetworking Company o 20928 61 16 2 Noor Advanced Technologies AS 24835 58 34 7 RAYA Telecom - Egypt 6713 51 54 8 Itissalat Al-MAGHRIB 5713 38 149 33 Telkom SA Ltd 12455 36 6 3 Jambonet Autonomous system 15706 31 8 3 Sudatel Internet Exchange Aut 33774 29 3 19 AS Number for Telecom Algeria 8524 24 1 4 AUCEGYPT Autonomous System 16637 23 10 20 Johnnic e-Ventures 10798 22 1 13 Standard Bank of South Africa 21280 20 4 4 Swift Global Kenya Ltd.Is an 23889 20 5 9 MAURITIUS TELECOM 12258 17 3 11 Vodacom Internet Company 15808 17 2 2 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 1178 950 Time Warner Telecom 18566 857 850 Covad Communications 9583 796 784 Sify Limited 4134 987 782 CHINANET-BACKBONE 721 1073 765 DLA Systems Automation Center 4755 722 656 Videsh Sanchar Nigam Ltd. Aut 22773 542 512 Cox Communications, Inc. 5668 490 467 CenturyTel Internet Holdings, 6197 948 465 BellSouth Network Solutions, 3602 555 448 Sprint Canada, Inc. 7545 509 437 TPG Internet Pty Ltd 17676 469 370 Softbank BB Corp. 19262 464 346 Verizon Global Networks 6467 393 344 E.Spire Communications, Inc. 11492 339 330 Cable One 17488 335 326 Hathway IP Over Cable Interne 20115 648 322 Charter Communications 4766 609 320 Korea Telecom (KIX) 15270 343 315 PaeTec.net -a division of Pae 9443 392 314 Primus Telecommunications
List of Unregistered ASNs (Global) ----------------------------------
Bad AS Designation Network Transit AS Description 65506 PRIVATE 64.151.117.0/24 26228 ServePath, LLC 64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati 64826 PRIVATE 64.200.255.0/24 7911 Williams Communicati 65205 PRIVATE 152.163.5.0/24 2056 America Online 65111 PRIVATE 194.165.131.0/24 8376 GO-JOR Autonomous Sy 65430 PRIVATE 196.44.128.0/19 20459 Telecom Namibia 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 24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp. 18428 UNALLOCATED 203.91.0.0/24 9505 Taiwan Internet Gate 65005 PRIVATE 203.200.197.0/24 4755 Videsh Sanchar Nigam 65103 PRIVATE 216.53.126.0/23 7270 Net2Phone Corp. 65500 PRIVATE 216.216.217.0/24 19029 New Edge Networks
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 /8:17 /9:5 /10:8 /11:17 /12:80 /13:178 /14:326 /15:631 /16:8530 /17:2812 /18:4713 /19:10802 /20:11853 /21:9909 /22:13285 /23:14201 /24:92703 /25:330 /26:295 /27:188 /28:45 /29:14 /30:61 /31:3 /32:31
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 841 857 Covad Communications 6197 775 948 BellSouth Network Solutions, 7018 725 1507 AT&T WorldNet Services 2386 633 921 AT&T Data Communications Serv 9583 621 796 Sify Limited 4323 562 1178 Time Warner Telecom 4766 425 609 Korea Telecom (KIX) 5668 398 490 CenturyTel Internet Holdings, 702 385 609 UUNET - Commercial IP service 1239 367 861 Sprint 7011 364 423 Citizens Utilities 19916 363 369 OLM LLC 6198 347 474 BellSouth Network Solutions, 11492 331 339 Cable One 6517 313 340 Yipes Communications, Inc. 15270 313 343 PaeTec.net -a division of Pae 13609 290 332 Choice One Communications Inc 701 284 992 UUNET Technologies, Inc. 18302 278 293 SK Global co., Ltd 20115 275 648 Charter Communications
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:5 8:24 12:1597 13:1 15:10 16:2 17:3 18:3 20:27 24:563 30:3 32:66 38:156 40:54 44:3 47:2 52:4 55:1 56:3 57:23 58:157 59:69 60:140 61:766 62:763 63:1884 64:2884 65:2077 66:2968 67:634 68:652 69:1232 70:197 71:26 72:392 80:626 81:544 82:472 83:305 84:255 85:335 86:123 87:20 125:9 128:151 129:167 130:96 131:295 132:36 133:1 134:146 135:43 136:151 137:66 138:163 139:63 140:454 141:137 142:150 143:141 144:212 145:34 146:299 147:112 148:303 149:184 150:108 151:72 152:113 153:93 154:5 155:137 156:80 157:111 158:164 159:170 160:85 161:75 162:235 163:133 164:191 165:188 166:152 167:251 168:442 169:143 170:309 171:8 190:1 192:5713 193:3312 194:2410 195:1554 196:672 198:3879 199:3236 200:4195 201:342 202:6106 203:6429 204:3809 205:2046 206:2448 207:2834 208:2041 209:3406 210:1663 211:812 212:1205 213:1374 214:303 215:42 216:3725 217:1137 218:220 219:132 220:493 221:286 222:129
End of report
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