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[routing-wg]Weekly Routing Table Report
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Routing Table Analysis
cscora at apnic.net
Fri Sep 23 20:07:23 CEST 2005
This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. Daily listings are sent to bgp-stats at lists.apnic.net If you have any comments please contact Philip Smith <pfs at cisco.com>. Routing Table Report 04:00 +10GMT Sat 24 Sep, 2005 Analysis Summary ---------------- BGP routing table entries examined: 170925 Prefixes after maximum aggregation: 97293 Unique aggregates announced to Internet: 82277 Total ASes present in the Internet Routing Table: 20556 Origin-only ASes present in the Internet Routing Table: 17862 Origin ASes announcing only one prefix: 8466 Transit ASes present in the Internet Routing Table: 2694 Transit-only ASes present in the Internet Routing Table: 76 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: 18 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1425779840 Equivalent to 84 /8s, 251 /16s and 172 /24s Percentage of available address space announced: 38.5 Percentage of allocated address space announced: 57.9 Percentage of available address space allocated: 66.4 Total number of prefixes smaller than registry allocations: 81476 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 35531 Total APNIC prefixes after maximum aggregation: 15562 Prefixes being announced from the APNIC address blocks: 33382 Unique aggregates announced from the APNIC address blocks: 16415 APNIC Region origin ASes present in the Internet Routing Table: 2364 APNIC Region origin ASes announcing only one prefix: 693 APNIC Region transit ASes present in the Internet Routing Table: 362 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 200282112 Equivalent to 11 /8s, 240 /16s and 16 /24s Percentage of available APNIC address space announced: 74.3 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: 91099 Total ARIN prefixes after maximum aggregation: 55256 Prefixes being announced from the ARIN address blocks: 71256 Unique aggregates announced from the ARIN address blocks: 26188 ARIN Region origin ASes present in the Internet Routing Table: 10237 ARIN Region origin ASes announcing only one prefix: 3786 ARIN Region transit ASes present in the Internet Routing Table: 959 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 270284800 Equivalent to 16 /8s, 28 /16s and 56 /24s Percentage of available ARIN address space announced: 67.1 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: 33022 Total RIPE prefixes after maximum aggregation: 22456 Prefixes being announced from the RIPE address blocks: 30053 Unique aggregates announced from the RIPE address blocks: 20165 RIPE Region origin ASes present in the Internet Routing Table: 7110 RIPE Region origin ASes announcing only one prefix: 3748 RIPE Region transit ASes present in the Internet Routing Table: 1195 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 28 Number of RIPE addresses announced to Internet: 218480064 Equivalent to 13 /8s, 5 /16s and 189 /24s Percentage of available RIPE address space announced: 65.1 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: 9532 Total LACNIC prefixes after maximum aggregation: 3208 Prefixes being announced from the LACNIC address blocks: 7900 Unique aggregates announced from the LACNIC address blocks: 4609 LACNIC Region origin ASes present in the Internet Routing Table: 638 LACNIC Region origin ASes announcing only one prefix: 197 LACNIC Region transit ASes present in the Internet Routing Table: 124 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 25 Number of LACNIC addresses announced to Internet: 22086144 Equivalent to 1 /8s, 81 /16s and 2 /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: 1719 Total AfriNIC prefixes after maximum aggregation: 811 Prefixes being announced from the AfriNIC address blocks: 1060 Unique aggregates announced from the AfriNIC address blocks: 804 AfriNIC Region origin ASes present in the Internet Routing Table: 139 AfriNIC Region origin ASes announcing only one prefix: 42 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: 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 984 6080 203 CHINANET-BACKBONE 9583 798 77 12 Sify Limited 1221 748 1328 515 Telstra Pty Ltd 4755 719 259 66 Videsh Sanchar Nigam Ltd. Aut 4766 611 3927 289 Korea Telecom (KIX) 7545 514 108 72 TPG Internet Pty Ltd 17676 468 6787 101 Softbank BB Corp. 9443 386 84 77 Primus Telecommunications 9498 337 147 58 BHARTI BT INTERNET LTD. 2907 336 1757 313 SINET Japan 9929 335 224 46 China Netcom Corp. 17557 328 23 158 Pakistan Telecom 17488 320 19 8 Hathway IP Over Cable Interne 7474 313 257 216 SingTel Optus Pty Ltd 4802 311 67 151 Wantree Development 17974 302 66 13 PT TELEKOMUNIKASI INDONESIA 18302 293 109 155 SK Global co., Ltd 9837 273 79 174 Powertel Ltd 703 253 263 206 UUNET - Commercial IP service 9800 249 394 66 CHINA UNICOM ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1512 6360 985 AT&T WorldNet Services 4323 1175 705 229 Time Warner Telecom 721 1090 21922 312 DLA Systems Automation Center 174 1070 5850 1002 Cogent Communications 701 992 8120 837 UUNET Technologies, Inc. 6197 928 398 474 BellSouth Network Solutions, 2386 921 513 683 AT&T Data Communications Serv 1239 863 2851 608 Sprint 18566 854 240 7 Covad Communications 20115 649 507 329 Charter Communications 209 629 3585 495 Qwest 3356 577 10661 444 Level 3 Communications, LLC 27364 558 44 18 Armstrong Cable Services 3602 557 131 110 Sprint Canada, Inc. 3561 540 2409 420 Savvis 22773 538 1352 28 Cox Communications, Inc. 5668 490 115 23 CenturyTel Internet Holdings, 6198 472 417 228 BellSouth Network Solutions, 7132 466 4950 398 SBC Internet Services 19262 461 1395 119 Verizon Global Networks RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 608 1994 480 UUNET - Commercial IP service 3301 300 1081 286 TeliaNet Sweden 3320 288 3230 239 Deutsche Telekom AG 8220 269 475 264 COLT Telecommunications 680 244 2040 240 DFN-IP service G-WiN 8708 237 262 217 Romania Data Systems S.A. 3246 229 476 222 Song Networks 9121 223 336 25 TTnet Autonomous System 1257 195 712 173 SWIPnet Swedish IP Network 5515 185 778 127 Sonera Solution Autonomous Sy 6746 185 50 161 Dynamic Network Technologies, 3269 176 1606 69 TELECOM ITALIA 786 174 1795 174 The JANET IP Service 5400 169 289 142 BT Ignite European Backbone 8866 165 37 9 Bulgarian Telecommunication C 6830 157 669 33 UPC Distribution Services 3300 155 169 90 AUCS Communications Services 25186 144 145 101 France Telecom Transpac's Tra 24863 138 37 6 LINKdotNET AS number 3215 137 1181 79 France Telecom Transpac LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 397 650 169 UniNet S.A. de C.V. 16814 298 18 7 NSS, S.A. 11172 248 83 60 Servicios Alestra S.A de C.V 11664 204 22 24 Keytech SA 6147 191 118 21 Telefonica Del Peru 19632 183 14 5 Metropolis Intercom S.A. 22047 171 128 7 VTR PUNTO NET S.A. 14117 156 10 5 Telefonica del Sur S.A. 7303 148 70 13 Telecom Argentina Stet-France 11556 132 64 2 Cable-Wireless Panama 6505 122 89 86 Global One Communicaoes Ltda 10481 121 48 8 Prima S.A. 19169 120 8 28 Telconet 13999 118 52 9 Mega Cable S.A. de C.V. 6503 114 148 75 AVANTEL, S.A. 18822 111 7 15 TELEFONICA MANQUEHUE 21826 105 13 16 INTERCABLE 5639 103 12 9 Telecommunications Services o 11311 97 8 14 Sinectis S.A. 23216 96 24 19 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 2018 95 295 86 Tertiary Education Network 15475 83 84 4 Nile Online 2905 79 211 71 The Internetworking Company o 8452 79 32 6 TEDATA 20928 61 16 2 Noor Advanced Technologies AS 24835 59 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 30 4 20 AS Number for Telecom Algeria 8524 24 1 4 AUCEGYPT Autonomous System 16637 23 10 20 Johnnic e-Ventures 23889 23 5 9 MAURITIUS TELECOM 10798 22 1 13 Standard Bank of South Africa 21280 22 4 5 Swift Global Kenya Ltd.Is an 21491 18 17 2 UTL On-line is RF broadband I 12258 17 3 11 Vodacom Internet Company Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 1175 946 Time Warner Telecom 18566 854 847 Covad Communications 9583 798 786 Sify Limited 4134 984 781 CHINANET-BACKBONE 721 1090 778 DLA Systems Automation Center 4755 719 653 Videsh Sanchar Nigam Ltd. Aut 27364 558 540 Armstrong Cable Services 22773 538 510 Cox Communications, Inc. 5668 490 467 CenturyTel Internet Holdings, 6197 928 454 BellSouth Network Solutions, 3602 557 447 Sprint Canada, Inc. 7545 514 442 TPG Internet Pty Ltd 17676 468 367 Softbank BB Corp. 6467 396 347 E.Spire Communications, Inc. 19262 461 342 Verizon Global Networks 11492 337 329 Cable One 4766 611 322 Korea Telecom (KIX) 20115 649 320 Charter Communications 15270 340 312 PaeTec.net -a division of Pae 17488 320 312 Hathway IP Over Cable Interne List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65533 PRIVATE 22.22.22.0/24 17841 KRNIC 65506 PRIVATE 64.151.117.0/24 26228 ServePath, LLC 64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati 65511 PRIVATE 65.77.145.0/24 16605 Aaro Broadband Wirel 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 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 /12:81 /13:177 /14:323 /15:631 /16:8511 /17:2786 /18:4711 /19:10801 /20:11852 /21:9882 /22:13262 /23:14141 /24:92819 /25:334 /26:273 /27:189 /28:26 /29:10 /30:54 /31:0 /32:15 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 838 854 Covad Communications 6197 763 928 BellSouth Network Solutions, 7018 724 1512 AT&T WorldNet Services 2386 632 921 AT&T Data Communications Serv 9583 624 798 Sify Limited 4323 562 1175 Time Warner Telecom 27364 549 558 Armstrong Cable Services 4766 427 611 Korea Telecom (KIX) 5668 398 490 CenturyTel Internet Holdings, 702 384 608 UUNET - Commercial IP service 1239 365 863 Sprint 19916 363 369 OLM LLC 7011 362 420 Citizens Utilities 6198 345 472 BellSouth Network Solutions, 11492 329 337 Cable One 6517 311 337 Yipes Communications, Inc. 15270 310 340 PaeTec.net -a division of Pae 701 286 992 UUNET Technologies, Inc. 18302 278 293 SK Global co., Ltd 20115 274 649 Charter Communications Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:5 8:24 12:1595 13:1 15:10 16:2 17:3 18:3 20:27 22:1 24:1085 32:65 38:157 40:54 44:4 47:2 52:4 55:1 56:3 57:23 58:157 59:69 60:124 61:761 62:762 63:1896 64:2872 65:2080 66:2928 67:616 68:611 69:1222 70:190 71:18 72:386 80:628 81:522 82:470 83:304 84:248 85:333 86:119 87:16 125:8 128:156 129:167 130:96 131:296 132:36 133:1 134:145 135:43 136:149 137:66 138:165 139:61 140:429 141:105 142:148 143:141 144:218 145:34 146:300 147:119 148:301 149:183 150:108 151:72 152:113 153:89 154:5 155:140 156:80 157:112 158:164 159:171 160:85 161:74 162:232 163:132 164:191 165:186 166:154 167:250 168:438 169:142 170:314 171:8 190:1 192:5672 193:3309 194:2400 195:1554 196:681 198:3869 199:3242 200:4194 201:330 202:6091 203:6418 204:3801 205:2053 206:2446 207:2817 208:2040 209:3391 210:1663 211:812 212:1183 213:1371 214:302 215:36 216:3719 217:1140 218:220 219:137 220:487 221:282 222:130 End of report
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