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Routing Table Report 04:00 +10GMT Tue 25 Oct, 2005
Analysis Summary ----------------
BGP routing table entries examined: 172430 Prefixes after maximum aggregation: 97948 Unique aggregates announced to Internet: 83682 Total ASes present in the Internet Routing Table: 20701 Origin-only ASes present in the Internet Routing Table: 18000 Origin ASes announcing only one prefix: 8531 Transit ASes present in the Internet Routing Table: 2701 Transit-only ASes present in the Internet Routing Table: 75 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 25 Prefixes from unregistered ASNs in the Routing Table: 21 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 9 Number of addresses announced to Internet: 1451860480 Equivalent to 86 /8s, 137 /16s and 162 /24s Percentage of available address space announced: 39.2 Percentage of allocated address space announced: 59.0 Percentage of available address space allocated: 66.4 Total number of prefixes smaller than registry allocations: 82231
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 36021 Total APNIC prefixes after maximum aggregation: 15780 Prefixes being announced from the APNIC address blocks: 33809 Unique aggregates announced from the APNIC address blocks: 16731 APNIC Region origin ASes present in the Internet Routing Table: 2392 APNIC Region origin ASes announcing only one prefix: 696 APNIC Region transit ASes present in the Internet Routing Table: 364 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 204314240 Equivalent to 12 /8s, 45 /16s and 150 /24s Percentage of available APNIC address space announced: 75.8
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: 91340 Total ARIN prefixes after maximum aggregation: 55354 Prefixes being announced from the ARIN address blocks: 71379 Unique aggregates announced from the ARIN address blocks: 26872 ARIN Region origin ASes present in the Internet Routing Table: 10236 ARIN Region origin ASes announcing only one prefix: 3776 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: 272289280 Equivalent to 16 /8s, 58 /16s and 206 /24s Percentage of available ARIN address space announced: 67.6
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: 33571 Total RIPE prefixes after maximum aggregation: 22759 Prefixes being announced from the RIPE address blocks: 30590 Unique aggregates announced from the RIPE address blocks: 20454 RIPE Region origin ASes present in the Internet Routing Table: 7224 RIPE Region origin ASes announcing only one prefix: 3811 RIPE Region transit ASes present in the Internet Routing Table: 1193 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 221093056 Equivalent to 13 /8s, 45 /16s and 156 /24s Percentage of available RIPE address space announced: 65.9
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: 9699 Total LACNIC prefixes after maximum aggregation: 3235 Prefixes being announced from the LACNIC address blocks: 8008 Unique aggregates announced from the LACNIC address blocks: 4615 LACNIC Region origin ASes present in the Internet Routing Table: 642 LACNIC Region origin ASes announcing only one prefix: 204 LACNIC Region transit ASes present in the Internet Routing Table: 124 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 25 Number of LACNIC addresses announced to Internet: 22299136 Equivalent to 1 /8s, 84 /16s and 66 /24s Percentage of available LACNIC address space announced: 33.2
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: 1774 Total AfriNIC prefixes after maximum aggregation: 820 Prefixes being announced from the AfriNIC address blocks: 1089 Unique aggregates announced from the AfriNIC address blocks: 803 AfriNIC Region origin ASes present in the Internet Routing Table: 141 AfriNIC Region origin ASes announcing only one prefix: 44 AfriNIC Region transit ASes present in the Internet Routing Table: 19 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC addresses announced to Internet: 2841856 Equivalent to 0 /8s, 43 /16s and 93 /24s Percentage of available AfriNIC address space announced: 8.5
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 1010 6318 214 CHINANET-BACKBONE 9583 812 77 12 Sify Limited 1221 754 1327 515 Telstra Pty Ltd 4755 728 259 67 Videsh Sanchar Nigam Ltd. Aut 4766 619 3927 290 Korea Telecom (KIX) 7545 511 108 71 TPG Internet Pty Ltd 17676 470 6819 100 Softbank BB Corp. 9443 392 87 78 Primus Telecommunications 9498 392 211 58 BHARTI BT INTERNET LTD. 17488 366 22 10 Hathway IP Over Cable Interne 2907 339 1763 316 SINET Japan 9929 331 224 46 China Netcom Corp. 7474 330 258 227 SingTel Optus Pty Ltd 17557 330 24 162 Pakistan Telecom 4802 325 72 154 Wantree Development 18302 294 109 171 SK Global co., Ltd 9837 276 79 177 Powertel Ltd 17974 273 65 16 PT TELEKOMUNIKASI INDONESIA 18101 265 68 18 Reliance Infocom Ltd Internet 703 255 260 211 UUNET - Commercial IP service
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1506 6341 981 AT&T WorldNet Services 4323 1188 705 231 Time Warner Telecom 721 1073 21938 309 DLA Systems Automation Center 174 1049 5847 988 Cogent Communications 701 996 8138 836 UUNET Technologies, Inc. 6197 943 399 486 BellSouth Network Solutions, 2386 916 522 678 AT&T Data Communications Serv 18566 864 240 7 Covad Communications 1239 849 2852 599 Sprint 209 640 3572 506 Qwest 20115 633 515 336 Charter Communications 3602 559 131 109 Sprint Canada, Inc. 19916 551 49 58 OLM LLC 22773 545 1348 27 Cox Communications, Inc. 3356 535 10639 411 Level 3 Communications, LLC 19262 495 1473 124 Verizon Global Networks 5668 484 147 23 CenturyTel Internet Holdings, 3561 475 2409 403 Savvis 7132 469 5060 400 SBC Internet Services 7011 443 150 294 Citizens Utilities
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 605 1976 478 UUNET - Commercial IP service 3301 305 1085 291 TeliaNet Sweden 3320 286 3231 241 Deutsche Telekom AG 8220 269 475 264 COLT Telecommunications 680 244 2040 239 DFN-IP service G-WiN 8708 239 274 224 Romania Data Systems S.A. 3246 226 474 219 Song Networks 6746 196 51 168 Dynamic Network Technologies, 1257 190 712 168 SWIPnet Swedish IP Network 3269 182 1734 70 TELECOM ITALIA 5515 182 840 128 Sonera Solution Autonomous Sy 786 174 1795 174 The JANET IP Service 5400 173 317 143 BT Ignite European Backbone 6830 161 669 33 UPC Distribution Services 8866 160 37 9 Bulgarian Telecommunication C 3300 157 169 91 AUCS Communications Services 25186 151 227 106 France Telecom Transpac's Tra 3215 142 1229 81 France Telecom Transpac 24863 141 37 6 LINKdotNET AS number 3352 137 1384 33 Ibernet, Internet Access Netw
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 385 641 166 UniNet S.A. de C.V. 16814 297 18 7 NSS, S.A. 11172 278 88 70 Servicios Alestra S.A de C.V 11664 198 22 13 Keytech SA 19632 196 14 5 Metropolis Intercom S.A. 6147 189 118 21 Telefonica Del Peru 14117 169 10 5 Telefonica del Sur S.A. 22047 169 128 7 VTR PUNTO NET S.A. 7303 149 69 15 Telecom Argentina Stet-France 11556 132 64 2 Cable-Wireless Panama 19169 122 8 26 Telconet 6505 121 89 85 Global One Communicaoes Ltda 10481 121 48 8 Prima S.A. 13999 117 52 9 Mega Cable S.A. de C.V. 18822 112 7 13 TELEFONICA MANQUEHUE 6503 109 148 76 AVANTEL, S.A. 21826 108 14 17 INTERCABLE 5639 107 12 9 Telecommunications Services o 11311 99 8 10 Sinectis S.A. 14522 91 10 7 SatNet S.A.
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 269 708 227 The Internet Solution 5536 123 8 12 Internet Egypt Network 8452 123 44 7 TEDATA 2018 95 295 86 Tertiary Education Network 15475 82 84 4 Nile Online 2905 78 211 71 The Internetworking Company o 6713 71 71 10 Itissalat Al-MAGHRIB 20928 61 16 2 Noor Advanced Technologies AS 24835 58 34 6 RAYA Telecom - Egypt 5713 37 149 33 Telkom SA Ltd 12455 35 6 3 Jambonet Autonomous system 33774 32 3 22 AS Number for Telecom Algeria 15706 31 8 3 Sudatel Internet Exchange Aut 8524 23 1 4 AUCEGYPT Autonomous System 16637 23 10 20 Johnnic e-Ventures 10798 22 1 13 Standard Bank of South Africa 21280 21 4 4 Swift Global Kenya Ltd.Is an 23889 19 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 1188 957 Time Warner Telecom 18566 864 857 Covad Communications 9583 812 800 Sify Limited 4134 1010 796 CHINANET-BACKBONE 721 1073 764 DLA Systems Automation Center 4755 728 661 Videsh Sanchar Nigam Ltd. Aut 22773 545 518 Cox Communications, Inc. 19916 551 493 OLM LLC 5668 484 461 CenturyTel Internet Holdings, 6197 943 457 BellSouth Network Solutions, 3602 559 450 Sprint Canada, Inc. 7545 511 440 TPG Internet Pty Ltd 19262 495 371 Verizon Global Networks 17676 470 370 Softbank BB Corp. 17488 366 356 Hathway IP Over Cable Interne 812 368 343 Rogers WAVE 11492 347 336 Cable One 9498 392 334 BHARTI BT INTERNET LTD. 4766 619 329 Korea Telecom (KIX) 6467 374 326 E.Spire Communications, Inc.
List of Unregistered ASNs (Global) ----------------------------------
Bad AS Designation Network Transit AS Description 65003 PRIVATE 57.250.244.0/24 13879 SITA-EQUANT 65002 PRIVATE 64.119.148.0/22 19406 Towerstream 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 64643 PRIVATE 140.253.192.0/20 24434 James Cook Universit 65205 PRIVATE 152.163.5.0/24 2056 America Online 64512 PRIVATE 170.51.242.0/24 19037 CTI Compania de Tele 65111 PRIVATE 194.165.131.0/24 8376 GO-JOR Autonomous Sy 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 65004 PRIVATE 200.4.7.0/24 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 65103 PRIVATE 216.53.126.0/23 7270 Net2Phone Corp.
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 192.172.0.0/19 721 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 /9:5 /10:8 /11:18 /12:80 /13:182 /14:336 /15:654 /16:8594 /17:2852 /18:4780 /19:10888 /20:11934 /21:10004 /22:13253 /23:14225 /24:93686 /25:332 /26:281 /27:183 /28:33 /29:12 /30:39 /31:3 /32:30
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 848 864 Covad Communications 6197 770 943 BellSouth Network Solutions, 7018 739 1506 AT&T WorldNet Services 9583 635 812 Sify Limited 2386 632 916 AT&T Data Communications Serv 4323 564 1188 Time Warner Telecom 19916 542 551 OLM LLC 4766 427 619 Korea Telecom (KIX) 5668 389 484 CenturyTel Internet Holdings, 7011 383 443 Citizens Utilities 702 382 605 UUNET - Commercial IP service 1239 363 849 Sprint 11492 339 347 Cable One 6517 323 349 Yipes Communications, Inc. 15270 316 343 PaeTec.net -a division of Pae 6198 294 427 BellSouth Network Solutions, 13609 286 327 Choice One Communications Inc 701 283 996 UUNET Technologies, Inc. 18302 279 294 SK Global co., Ltd 22773 278 545 Cox Communications, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:3 8:26 12:1607 13:1 15:11 16:3 17:3 18:3 20:41 24:566 30:2 32:68 38:165 40:54 44:3 47:2 52:4 55:1 56:3 57:35 58:97 59:84 60:146 61:790 62:795 63:1867 64:2942 65:2092 66:2965 67:642 68:644 69:1265 70:205 71:32 72:414 80:652 81:572 82:505 83:308 84:298 85:363 86:140 87:65 125:16 128:153 129:168 130:97 131:295 132:36 133:1 134:148 135:40 136:161 137:68 138:166 139:68 140:468 141:141 142:148 143:142 144:218 145:34 146:301 147:130 148:269 149:187 150:108 151:68 152:112 153:93 154:5 155:142 156:78 157:111 158:161 159:174 160:87 161:76 162:237 163:146 164:190 165:190 166:154 167:254 168:447 169:141 170:313 171:11 190:1 192:5707 193:3323 194:2431 195:1565 196:671 198:3908 199:3241 200:4233 201:386 202:6204 203:6533 204:3825 205:2032 206:2437 207:2834 208:2001 209:3405 210:1703 211:827 212:1210 213:1362 214:318 215:42 216:3829 217:1134 218:222 219:132 220:509 221:294 222:130
End of report
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