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[routing-wg]Weekly Routing Table Report
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Routing Table Analysis
cscora at apnic.net
Fri Dec 23 19:07:29 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 24 Dec, 2005 Analysis Summary ---------------- BGP routing table entries examined: 176968 Prefixes after maximum aggregation: 99696 Unique aggregates announced to Internet: 85988 Total ASes present in the Internet Routing Table: 21229 Origin-only ASes present in the Internet Routing Table: 18478 Origin ASes announcing only one prefix: 8748 Transit ASes present in the Internet Routing Table: 2751 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: 22 Prefixes from unregistered ASNs in the Routing Table: 11 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 11 Number of addresses announced to Internet: 1492308416 Equivalent to 88 /8s, 242 /16s and 209 /24s Percentage of available address space announced: 40.3 Percentage of allocated address space announced: 60.6 Percentage of available address space allocated: 66.4 Total number of prefixes smaller than registry allocations: 85142 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 36893 Total APNIC prefixes after maximum aggregation: 15758 Prefixes being announced from the APNIC address blocks: 34639 Unique aggregates announced from the APNIC address blocks: 17095 APNIC Region origin ASes present in the Internet Routing Table: 2446 APNIC Region origin ASes announcing only one prefix: 699 APNIC Region transit ASes present in the Internet Routing Table: 373 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 208964288 Equivalent to 12 /8s, 116 /16s and 138 /24s Percentage of available APNIC address space announced: 77.5 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: 93358 Total ARIN prefixes after maximum aggregation: 56140 Prefixes being announced from the ARIN address blocks: 72719 Unique aggregates announced from the ARIN address blocks: 27884 ARIN Region origin ASes present in the Internet Routing Table: 10407 ARIN Region origin ASes announcing only one prefix: 3871 ARIN Region transit ASes present in the Internet Routing Table: 954 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 280847872 Equivalent to 16 /8s, 189 /16s and 102 /24s Percentage of available ARIN address space announced: 69.7 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: 34743 Total RIPE prefixes after maximum aggregation: 23558 Prefixes being announced from the RIPE address blocks: 31731 Unique aggregates announced from the RIPE address blocks: 21300 RIPE Region origin ASes present in the Internet Routing Table: 7496 RIPE Region origin ASes announcing only one prefix: 3925 RIPE Region transit ASes present in the Internet Routing Table: 1234 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 228585792 Equivalent to 13 /8s, 159 /16s and 241 /24s Percentage of available RIPE address space announced: 68.1 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: 10137 Total LACNIC prefixes after maximum aggregation: 3382 Prefixes being announced from the LACNIC address blocks: 8368 Unique aggregates announced from the LACNIC address blocks: 4774 LACNIC Region origin ASes present in the Internet Routing Table: 660 LACNIC Region origin ASes announcing only one prefix: 206 LACNIC Region transit ASes present in the Internet Routing Table: 126 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 22 Number of LACNIC addresses announced to Internet: 23276800 Equivalent to 1 /8s, 99 /16s and 45 /24s Percentage of available LACNIC address space announced: 34.7 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: 1831 Total AfriNIC prefixes after maximum aggregation: 858 Prefixes being announced from the AfriNIC address blocks: 1192 Unique aggregates announced from the AfriNIC address blocks: 814 AfriNIC Region origin ASes present in the Internet Routing Table: 144 AfriNIC Region origin ASes announcing only one prefix: 47 AfriNIC Region transit ASes present in the Internet Routing Table: 26 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC addresses announced to Internet: 2898944 Equivalent to 0 /8s, 44 /16s and 60 /24s Percentage of available AfriNIC address space announced: 8.6 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 1015 6469 206 CHINANET-BACKBONE 9583 841 77 12 Sify Limited 1221 665 1364 476 Telstra Pty Ltd 4766 659 3928 289 Korea Telecom (KIX) 4755 614 256 60 Videsh Sanchar Nigam Ltd. Aut 7545 515 108 71 TPG Internet Pty Ltd 17676 475 6853 99 Softbank BB Corp. 17488 431 26 11 Hathway IP Over Cable Interne 9498 430 212 68 BHARTI BT INTERNET LTD. 9443 399 89 85 Primus Telecommunications 4802 348 74 159 Wantree Development 2907 335 1762 312 SINET Japan 9929 331 217 49 China Netcom Corp. 7474 325 226 223 SingTel Optus Pty Ltd 17557 308 24 161 Pakistan Telecom 17974 286 69 23 PT TELEKOMUNIKASI INDONESIA 18101 283 68 19 Reliance Infocom Ltd Internet 4780 282 226 16 Digital United Inc. 9837 273 78 172 Powertel Ltd 9800 255 410 67 CHINA UNICOM ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1461 6312 957 AT&T WorldNet Services 4323 1196 722 235 Time Warner Telecom 174 1049 5825 967 Cogent Communications 721 1030 21938 309 DLA Systems Automation Center 701 973 8118 817 UUNET Technologies, Inc. 6197 970 434 506 BellSouth Network Solutions, 2386 916 517 689 AT&T Data Communications Serv 18566 887 240 7 Covad Communications 1239 847 2803 602 Sprint 209 661 3606 526 Qwest 20115 655 534 337 Charter Communications 11492 634 89 11 Cable One 22773 593 1477 29 Cox Communications, Inc. 19262 584 1657 144 Verizon Global Networks 852 572 1092 380 Telus Advanced Communications 19916 563 49 54 OLM LLC 855 562 243 65 Canadian Research Network 3356 523 10618 402 Level 3 Communications, LLC 3602 523 127 106 Sprint Canada, Inc. 6478 517 1435 284 AT&T Worldnet Services RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 591 1954 469 UUNET - Commercial IP service 3301 304 1071 290 TeliaNet Sweden 3320 287 3487 241 Deutsche Telekom AG 8220 273 474 267 COLT Telecommunications 680 244 2024 238 DFN-IP service G-WiN 3246 227 486 220 Song Networks 8708 224 274 208 Romania Data Systems S.A. 6746 204 51 175 Dynamic Network Technologies, 1257 189 712 170 SWIPnet Swedish IP Network 3269 182 1829 68 TELECOM ITALIA 5515 180 840 127 Sonera Solution Autonomous Sy 786 173 1794 173 The JANET IP Service 5400 167 328 136 BT Ignite European Backbone 8866 167 37 11 Bulgarian Telecommunication C 24863 166 38 9 LINKdotNET AS number 3215 162 1326 82 France Telecom Transpac 6830 162 669 33 UPC Distribution Services 3300 158 169 92 AUCS Communications Services 12479 155 322 5 Uni2 Autonomous System 25186 147 211 103 France Telecom Transpac's Tra LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 485 776 211 UniNet S.A. de C.V. 22047 380 141 43 VTR PUNTO NET S.A. 16814 295 18 7 NSS, S.A. 11172 294 106 76 Servicios Alestra S.A de C.V 14117 184 11 6 Telefonica del Sur S.A. 13999 175 52 9 Mega Cable S.A. de C.V. 7303 153 73 18 Telecom Argentina Stet-France 6147 150 118 21 Telefonica Del Peru 11664 138 22 13 Keytech SA 11556 130 64 3 Cable-Wireless Panama 19169 128 8 21 Telconet 10481 121 48 8 Prima S.A. 6503 118 148 78 AVANTEL, S.A. 5639 112 12 9 Telecommunications Services o 21826 112 14 18 INTERCABLE 6505 106 88 79 Global One Communicaoes Ltda 14522 102 12 8 SatNet S.A. 11311 99 8 10 Sinectis S.A. 18822 98 7 10 TELEFONICA MANQUEHUE 4270 93 17 9 Red de Interconexion Universi AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 272 812 230 The Internet Solution 8452 146 44 7 TEDATA 5536 122 8 16 Internet Egypt Network 2018 117 298 103 Tertiary Education Network 15475 103 84 4 Nile Online 2905 74 155 67 The Internetworking Company o 6713 69 71 10 Itissalat Al-MAGHRIB 24835 64 34 6 RAYA Telecom - Egypt 20928 61 16 2 Noor Advanced Technologies AS 5713 39 167 35 Telkom SA Ltd 33774 33 4 24 AS Number for Telecom Algeria 15706 31 8 3 Sudatel Internet Exchange Aut 23889 27 7 10 MAURITIUS TELECOM 8524 23 1 4 AUCEGYPT Autonomous System 21280 23 4 4 Swift Global Kenya Ltd.Is an 10798 22 1 13 Standard Bank of South Africa 16637 22 10 20 Johnnic e-Ventures 12455 18 6 5 Jambonet Autonomous system 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 1196 961 Time Warner Telecom 18566 887 880 Covad Communications 9583 841 829 Sify Limited 4134 1015 809 CHINANET-BACKBONE 721 1030 721 DLA Systems Automation Center 11492 634 623 Cable One 22773 593 564 Cox Communications, Inc. 4755 614 554 Videsh Sanchar Nigam Ltd. Aut 19916 563 509 OLM LLC 855 562 497 Canadian Research Network 5668 498 474 CenturyTel Internet Holdings, 6197 970 464 BellSouth Network Solutions, 7545 515 444 TPG Internet Pty Ltd 19262 584 440 Verizon Global Networks 17488 431 420 Hathway IP Over Cable Interne 3602 523 417 Sprint Canada, Inc. 17676 475 376 Softbank BB Corp. 4766 659 370 Korea Telecom (KIX) 9498 430 362 BHARTI BT INTERNET LTD. 6467 404 358 E.Spire Communications, Inc. List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 38976 UNALLOCATED 62.192.224.0/19 21191 SeverTransTeleCom Au 38976 UNALLOCATED 62.192.232.0/24 21166 Satgate autonomous s 38972 UNALLOCATED 80.251.144.0/21 6828 Ekaterinburg Telegra 38972 UNALLOCATED 80.251.151.0/24 6828 Ekaterinburg Telegra 38972 UNALLOCATED 80.251.152.0/23 28947 CJSC InT, Ekaterinbu 29544 UNALLOCATED 82.151.64.0/19 12956 Telefonica Data Auto 24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp. 24408 UNALLOCATED 203.119.26.0/24 9800 CHINA UNICOM 24408 UNALLOCATED 203.119.27.0/24 9800 CHINA UNICOM 24408 UNALLOCATED 203.119.28.0/24 9800 CHINA UNICOM 24406 UNALLOCATED 203.119.29.0/24 4808 CNCGROUP IP network: 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. 192.119.135.0/24 270 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 /8:19 /9:5 /10:8 /11:20 /12:85 /13:194 /14:344 /15:668 /16:8638 /17:2925 /18:4950 /19:11150 /20:12254 /21:10337 /22:13563 /23:14699 /24:96141 /25:335 /26:247 /27:197 /28:63 /29:27 /30:55 /31:3 /32:41 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 871 887 Covad Communications 6197 784 970 BellSouth Network Solutions, 7018 720 1461 AT&T WorldNet Services 9583 661 841 Sify Limited 2386 637 916 AT&T Data Communications Serv 11492 625 634 Cable One 4323 571 1196 Time Warner Telecom 19916 557 563 OLM LLC 4766 464 659 Korea Telecom (KIX) 855 434 562 Canadian Research Network 7011 401 466 Citizens Utilities 5668 387 498 CenturyTel Internet Holdings, 702 373 591 UUNET - Commercial IP service 1239 365 847 Sprint 6198 355 497 BellSouth Network Solutions, 6517 326 351 Yipes Communications, Inc. 15270 325 352 PaeTec.net -a division of Pae 22773 307 593 Cox Communications, Inc. 13609 289 332 Choice One Communications Inc 701 282 973 UUNET Technologies, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 8:40 12:1630 13:1 15:11 16:3 17:3 18:3 20:42 24:711 25:1 30:2 32:67 38:188 40:54 44:3 47:3 52:4 55:1 56:3 57:33 58:105 59:107 60:169 61:765 62:808 63:1886 64:2923 65:2132 66:2965 67:594 68:695 69:1316 70:258 71:39 72:499 73:10 80:686 81:598 82:507 83:337 84:324 85:394 86:242 87:120 125:142 128:140 129:167 130:101 131:305 132:35 133:1 134:151 135:45 136:164 137:62 138:178 139:92 140:444 141:139 142:403 143:146 144:225 145:39 146:308 147:135 148:349 149:189 150:109 151:71 152:115 153:97 154:6 155:182 156:90 157:119 158:151 159:176 160:87 161:74 162:246 163:175 164:167 165:182 166:145 167:236 168:471 169:142 170:312 171:12 192:5724 193:3338 194:2452 195:1696 196:719 198:3895 199:3274 200:4324 201:490 202:6342 203:6596 204:3821 205:2106 206:2404 207:2928 208:2016 209:3439 210:1832 211:781 212:1243 213:1384 214:314 215:40 216:3808 217:1168 218:227 219:127 220:579 221:335 222:129 End of report
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