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[routing-wg]Weekly Routing Table Report
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Routing Table Analysis
cscora at apnic.net
Fri Nov 4 19:07:14 CET 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 05 Nov, 2005 Analysis Summary ---------------- BGP routing table entries examined: 174456 Prefixes after maximum aggregation: 98564 Unique aggregates announced to Internet: 84241 Total ASes present in the Internet Routing Table: 20824 Origin-only ASes present in the Internet Routing Table: 18114 Origin ASes announcing only one prefix: 8589 Transit ASes present in the Internet Routing Table: 2710 Transit-only ASes present in the Internet Routing Table: 75 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 21 Prefixes from unregistered ASNs in the Routing Table: 3 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1456349792 Equivalent to 86 /8s, 206 /16s and 34 /24s Percentage of available address space announced: 39.3 Percentage of allocated address space announced: 59.2 Percentage of available address space allocated: 66.4 Total number of prefixes smaller than registry allocations: 83872 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 36216 Total APNIC prefixes after maximum aggregation: 15817 Prefixes being announced from the APNIC address blocks: 33991 Unique aggregates announced from the APNIC address blocks: 16836 APNIC Region origin ASes present in the Internet Routing Table: 2382 APNIC Region origin ASes announcing only one prefix: 692 APNIC Region transit ASes present in the Internet Routing Table: 364 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 204610688 Equivalent to 12 /8s, 50 /16s and 28 /24s Percentage of available APNIC address space announced: 75.9 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: 92801 Total ARIN prefixes after maximum aggregation: 55759 Prefixes being announced from the ARIN address blocks: 72330 Unique aggregates announced from the ARIN address blocks: 27244 ARIN Region origin ASes present in the Internet Routing Table: 10312 ARIN Region origin ASes announcing only one prefix: 3824 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: 274040064 Equivalent to 16 /8s, 85 /16s and 133 /24s Percentage of available ARIN address space announced: 68.1 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: 33836 Total RIPE prefixes after maximum aggregation: 22889 Prefixes being announced from the RIPE address blocks: 30852 Unique aggregates announced from the RIPE address blocks: 20640 RIPE Region origin ASes present in the Internet Routing Table: 7266 RIPE Region origin ASes announcing only one prefix: 3822 RIPE Region transit ASes present in the Internet Routing Table: 1203 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 222461184 Equivalent to 13 /8s, 66 /16s and 125 /24s Percentage of available RIPE address space announced: 66.3 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: 9789 Total LACNIC prefixes after maximum aggregation: 3276 Prefixes being announced from the LACNIC address blocks: 8091 Unique aggregates announced from the LACNIC address blocks: 4703 LACNIC Region origin ASes present in the Internet Routing Table: 648 LACNIC Region origin ASes announcing only one prefix: 209 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: 21 Number of LACNIC addresses announced to Internet: 22486272 Equivalent to 1 /8s, 87 /16s and 29 /24s Percentage of available LACNIC address space announced: 33.5 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: 1807 Total AfriNIC prefixes after maximum aggregation: 823 Prefixes being announced from the AfriNIC address blocks: 1128 Unique aggregates announced from the AfriNIC address blocks: 829 AfriNIC Region origin ASes present in the Internet Routing Table: 141 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: 2849536 Equivalent to 0 /8s, 43 /16s and 123 /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 1002 6327 214 CHINANET-BACKBONE 9583 819 77 12 Sify Limited 1221 747 1342 516 Telstra Pty Ltd 4755 746 259 67 Videsh Sanchar Nigam Ltd. Aut 4766 619 3927 287 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 388 211 58 BHARTI BT INTERNET LTD. 17488 366 22 10 Hathway IP Over Cable Interne 2907 339 1763 316 SINET Japan 4802 335 73 153 Wantree Development 7474 332 258 228 SingTel Optus Pty Ltd 17557 332 24 162 Pakistan Telecom 9929 326 216 46 China Netcom Corp. 18302 296 109 169 SK Global co., Ltd 9837 275 79 176 Powertel Ltd 17974 274 65 16 PT TELEKOMUNIKASI INDONESIA 18101 267 68 19 Reliance Infocom Ltd Internet 9800 253 394 66 CHINA UNICOM ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1473 6325 968 AT&T WorldNet Services 4323 1194 706 233 Time Warner Telecom 721 1071 21938 308 DLA Systems Automation Center 174 1041 5846 981 Cogent Communications 701 1004 8154 844 UUNET Technologies, Inc. 6197 959 407 498 BellSouth Network Solutions, 2386 928 545 692 AT&T Data Communications Serv 18566 870 240 7 Covad Communications 1239 845 2849 594 Sprint 209 653 3605 517 Qwest 20115 640 519 336 Charter Communications 11492 591 81 9 Cable One 852 573 1093 381 Telus Advanced Communications 3602 568 131 109 Sprint Canada, Inc. 19916 563 49 54 OLM LLC 855 562 247 65 Canadian Research Network 22773 547 1356 28 Cox Communications, Inc. 3356 530 10638 406 Level 3 Communications, LLC 19262 529 1541 130 Verizon Global Networks 6478 492 1299 275 AT&T Worldnet Services RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 611 1961 479 UUNET - Commercial IP service 3301 305 1085 291 TeliaNet Sweden 3320 286 3231 241 Deutsche Telekom AG 8220 270 475 265 COLT Telecommunications 680 244 2040 239 DFN-IP service G-WiN 8708 238 274 223 Romania Data Systems S.A. 3246 228 475 221 Song Networks 6746 199 51 170 Dynamic Network Technologies, 1257 190 712 168 SWIPnet Swedish IP Network 5515 182 840 128 Sonera Solution Autonomous Sy 3269 180 1765 68 TELECOM ITALIA 786 175 1795 175 The JANET IP Service 5400 166 317 136 BT Ignite European Backbone 6830 161 669 33 UPC Distribution Services 3300 159 170 91 AUCS Communications Services 8866 156 37 9 Bulgarian Telecommunication C 25186 148 211 104 France Telecom Transpac's Tra 3215 144 1237 78 France Telecom Transpac 24863 143 37 6 LINKdotNET AS number 12479 140 322 5 Uni2 Autonomous System LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 386 642 165 UniNet S.A. de C.V. 16814 296 18 7 NSS, S.A. 11172 279 88 68 Servicios Alestra S.A de C.V 11664 201 22 28 Keytech SA 19632 196 14 5 Metropolis Intercom S.A. 14117 184 11 6 Telefonica del Sur S.A. 22047 170 128 7 VTR PUNTO NET S.A. 6147 161 118 21 Telefonica Del Peru 7303 144 68 16 Telecom Argentina Stet-France 11556 130 64 3 Cable-Wireless Panama 13999 126 52 9 Mega Cable S.A. de C.V. 19169 124 8 26 Telconet 6505 121 89 85 Global One Communicaoes Ltda 10481 121 48 8 Prima S.A. 18822 112 7 13 TELEFONICA MANQUEHUE 5639 111 12 9 Telecommunications Services o 21826 111 14 19 INTERCABLE 6503 108 147 75 AVANTEL, S.A. 11311 99 8 10 Sinectis S.A. 23216 92 23 12 RAMtelecom Telecomunicaciones AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 270 708 228 The Internet Solution 8452 136 44 7 TEDATA 5536 123 8 12 Internet Egypt Network 2018 93 295 85 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 15706 31 8 3 Sudatel Internet Exchange Aut 33774 31 3 22 AS Number for Telecom Algeria 16637 24 10 21 Johnnic e-Ventures 8524 23 1 4 AUCEGYPT Autonomous System 10798 22 1 13 Standard Bank of South Africa 21280 21 4 4 Swift Global Kenya Ltd.Is an 23889 20 5 9 MAURITIUS TELECOM 12258 17 3 11 Vodacom Internet Company 15804 17 2 1 AS of The Way Out Internet So Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 1194 961 Time Warner Telecom 18566 870 863 Covad Communications 9583 819 807 Sify Limited 4134 1002 788 CHINANET-BACKBONE 721 1071 763 DLA Systems Automation Center 4755 746 679 Videsh Sanchar Nigam Ltd. Aut 11492 591 582 Cable One 22773 547 519 Cox Communications, Inc. 19916 563 509 OLM LLC 855 562 497 Canadian Research Network 6197 959 461 BellSouth Network Solutions, 3602 568 459 Sprint Canada, Inc. 5668 472 446 CenturyTel Internet Holdings, 7545 511 440 TPG Internet Pty Ltd 19262 529 399 Verizon Global Networks 17676 470 370 Softbank BB Corp. 17488 366 356 Hathway IP Over Cable Interne 6467 397 349 E.Spire Communications, Inc. 812 368 343 Rogers WAVE 4766 619 332 Korea Telecom (KIX) List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65003 PRIVATE 57.250.244.0/24 13879 SITA-EQUANT 24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp. 18428 UNALLOCATED 203.91.0.0/24 9505 Taiwan Internet Gate 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 192.72.0.0/18 4780 Digital United Inc. 192.72.0.0/16 4780 Digital United Inc. 192.84.205.0/24 719 LANLINK autonomous system 192.119.135.0/24 270 NASA 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 /11:17 /12:80 /13:184 /14:339 /15:656 /16:8598 /17:2861 /18:4819 /19:10958 /20:12025 /21:10139 /22:13383 /23:14532 /24:94929 /25:326 /26:277 /27:188 /28:32 /29:11 /30:39 /31:3 /32:29 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 854 870 Covad Communications 6197 781 959 BellSouth Network Solutions, 7018 721 1473 AT&T WorldNet Services 9583 642 819 Sify Limited 2386 641 928 AT&T Data Communications Serv 11492 583 591 Cable One 4323 571 1194 Time Warner Telecom 19916 557 563 OLM LLC 855 434 562 Canadian Research Network 4766 425 619 Korea Telecom (KIX) 7011 397 457 Citizens Utilities 702 390 611 UUNET - Commercial IP service 5668 374 472 CenturyTel Internet Holdings, 1239 360 845 Sprint 6198 352 480 BellSouth Network Solutions, 6517 323 349 Yipes Communications, Inc. 15270 314 341 PaeTec.net -a division of Pae 13609 292 333 Choice One Communications Inc 701 282 1004 UUNET Technologies, Inc. 18302 281 296 SK Global co., Ltd Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 8:30 12:1615 13:1 15:11 16:3 17:3 18:3 20:41 24:695 30:2 32:68 38:169 40:54 44:3 47:3 52:4 55:1 56:3 57:35 58:97 59:90 60:147 61:787 62:784 63:1906 64:2974 65:2128 66:2949 67:681 68:655 69:1317 70:221 71:39 72:444 80:662 81:596 82:494 83:310 84:330 85:380 86:170 87:86 125:30 128:157 129:168 130:96 131:306 132:36 133:1 134:147 135:40 136:168 137:70 138:170 139:70 140:433 141:142 142:401 143:143 144:219 145:34 146:299 147:131 148:269 149:197 150:109 151:69 152:111 153:94 154:5 155:144 156:79 157:117 158:148 159:178 160:87 161:76 162:236 163:147 164:190 165:185 166:155 167:251 168:455 169:144 170:310 171:12 190:1 192:5735 193:3351 194:2430 195:1593 196:703 198:3914 199:3256 200:4253 201:415 202:6179 203:6546 204:3818 205:2043 206:2447 207:2889 208:2031 209:3479 210:1753 211:839 212:1216 213:1345 214:311 215:41 216:3880 217:1159 218:211 219:130 220:510 221:300 222:128 End of report
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