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@lists.apnic.net If you have any comments please contact Philip Smith <pfs@cisco.com>. Routing Table Report 04:00 +10GMT Sat 11 Feb, 2006 Analysis Summary ---------------- BGP routing table entries examined: 181747 Prefixes after maximum aggregation: 101113 Unique aggregates announced to Internet: 88304 Total ASes present in the Internet Routing Table: 21484 Origin-only ASes present in the Internet Routing Table: 18665 Origin ASes announcing only one prefix: 8867 Transit ASes present in the Internet Routing Table: 2819 Transit-only ASes present in the Internet Routing Table: 71 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 22 Prefixes from unregistered ASNs in the Routing Table: 5 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1493620896 Equivalent to 89 /8s, 6 /16s and 216 /24s Percentage of available address space announced: 40.3 Percentage of allocated address space announced: 59.5 Percentage of available address space allocated: 67.8 Total number of prefixes smaller than registry allocations: 88685 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 37966 Total APNIC prefixes after maximum aggregation: 16155 Prefixes being announced from the APNIC address blocks: 35732 Unique aggregates announced from the APNIC address blocks: 17528 APNIC Region origin ASes present in the Internet Routing Table: 2465 APNIC Region origin ASes announcing only one prefix: 684 APNIC Region transit ASes present in the Internet Routing Table: 383 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 213088992 Equivalent to 12 /8s, 179 /16s and 122 /24s Percentage of available APNIC address space announced: 66.6 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, 121/8, 122/7, 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: 95871 Total ARIN prefixes after maximum aggregation: 56558 Prefixes being announced from the ARIN address blocks: 75188 Unique aggregates announced from the ARIN address blocks: 28398 ARIN Region origin ASes present in the Internet Routing Table: 10507 ARIN Region origin ASes announcing only one prefix: 3936 ARIN Region transit ASes present in the Internet Routing Table: 969 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 287215360 Equivalent to 17 /8s, 30 /16s and 143 /24s Percentage of available ARIN address space announced: 71.3 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: 35748 Total RIPE prefixes after maximum aggregation: 24070 Prefixes being announced from the RIPE address blocks: 32766 Unique aggregates announced from the RIPE address blocks: 22090 RIPE Region origin ASes present in the Internet Routing Table: 7629 RIPE Region origin ASes announcing only one prefix: 3985 RIPE Region transit ASes present in the Internet Routing Table: 1279 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 234152320 Equivalent to 13 /8s, 244 /16s and 225 /24s Percentage of available RIPE address space announced: 69.8 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: 10279 Total LACNIC prefixes after maximum aggregation: 3451 Prefixes being announced from the LACNIC address blocks: 8459 Unique aggregates announced from the LACNIC address blocks: 5044 LACNIC Region origin ASes present in the Internet Routing Table: 670 LACNIC Region origin ASes announcing only one prefix: 219 LACNIC Region transit ASes present in the Internet Routing Table: 122 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 22 Number of LACNIC addresses announced to Internet: 25382912 Equivalent to 1 /8s, 131 /16s and 80 /24s Percentage of available LACNIC address space announced: 37.8 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: 1874 Total AfriNIC prefixes after maximum aggregation: 879 Prefixes being announced from the AfriNIC address blocks: 1247 Unique aggregates announced from the AfriNIC address blocks: 883 AfriNIC Region origin ASes present in the Internet Routing Table: 146 AfriNIC Region origin ASes announcing only one prefix: 43 AfriNIC Region transit ASes present in the Internet Routing Table: 23 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 3184896 Equivalent to 0 /8s, 48 /16s and 153 /24s Percentage of available AfriNIC address space announced: 9.5 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 985 6480 204 CHINANET-BACKBONE 9583 853 109 15 Sify Limited 4766 710 3927 301 Korea Telecom (KIX) 1221 675 1428 474 Telstra Pty Ltd 4755 652 256 55 Videsh Sanchar Nigam Ltd. Aut 9498 528 211 73 BHARTI BT INTERNET LTD. 7545 517 108 70 TPG Internet Pty Ltd 17488 514 31 7 Hathway IP Over Cable Interne 17676 480 6949 104 Softbank BB Corp. 9443 411 94 85 Primus Telecommunications 4802 366 75 157 Wantree Development 2907 339 1763 316 SINET Japan 9929 335 218 50 China Netcom Corp. 18101 325 68 26 Reliance Infocom Ltd Internet 17974 319 77 38 PT TELEKOMUNIKASI INDONESIA 17557 311 25 161 Pakistan Telecom 7474 297 211 229 SingTel Optus Pty Ltd 4780 282 226 16 Digital United Inc. 9837 273 78 169 Powertel Ltd 9800 259 410 67 CHINA UNICOM ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1475 6265 955 AT&T WorldNet Services 4323 1206 711 235 Time Warner Telecom 721 1022 21954 309 DLA Systems Automation Center 174 993 5788 938 Cogent Communications 6197 980 451 508 BellSouth Network Solutions, 19029 977 152 115 New Edge Networks 701 951 8064 790 UUNET Technologies, Inc. 18566 907 272 8 Covad Communications 2386 890 504 665 AT&T Data Communications Serv 1239 851 2790 611 Sprint 6198 695 455 240 BellSouth Network Solutions, 209 680 3606 536 Qwest 20115 664 566 355 Charter Communications 11492 628 81 12 Cable One 22773 627 1479 38 Cox Communications, Inc. 19262 620 1793 152 Verizon Global Networks 855 573 244 64 Canadian Research Network 852 572 1092 381 Telus Advanced Communications 19916 563 49 54 OLM LLC 3602 522 127 106 Sprint Canada, Inc. RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 588 1954 465 UUNET - Commercial IP service 3301 305 1071 290 TeliaNet Sweden 3352 301 1484 33 Ibernet, Internet Access Netw 3320 281 3477 235 Deutsche Telekom AG 8220 275 474 269 COLT Telecommunications 680 242 2025 239 DFN-IP service G-WiN 3246 229 487 219 Song Networks 8708 222 274 205 Romania Data Systems S.A. 6746 221 85 193 Dynamic Network Technologies, 9121 204 913 26 TTnet Autonomous System 1257 195 712 173 SWIPnet Swedish IP Network 3269 185 1925 70 TELECOM ITALIA 5515 177 840 125 Sonera Solution Autonomous Sy 786 173 1794 173 The JANET IP Service 3215 173 1422 84 France Telecom Transpac 8866 172 37 13 Bulgarian Telecommunication C 24863 168 38 9 LINKdotNET AS number 3300 166 171 94 AUCS Communications Services 5400 165 328 135 BT Ignite European Backbone 6830 163 733 34 UPC Distribution Services LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 575 1049 219 UniNet S.A. de C.V. 22047 383 142 10 VTR PUNTO NET S.A. 11172 305 110 78 Servicios Alestra S.A de C.V 16814 295 18 7 NSS, S.A. 14117 184 11 6 Telefonica del Sur S.A. 7303 156 74 17 Telecom Argentina Stet-France 6147 154 126 22 Telefonica Del Peru 13999 136 84 10 Mega Cable S.A. de C.V. 11556 130 64 3 Cable-Wireless Panama 19169 123 8 30 Telconet 10481 121 48 8 Prima S.A. 21826 116 15 19 INTERCABLE 5639 112 12 9 Telecommunications Services o 6505 108 88 80 Global One Communicaoes Ltda 6503 101 147 72 AVANTEL, S.A. 18822 99 8 10 TELEFONICA MANQUEHUE 7315 96 6 3 Grupo Rey Moreno 25620 96 6 3 COTAS LTDA 11311 95 8 23 Sinectis S.A. 14522 95 12 8 SatNet S.A. AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 278 819 234 The Internet Solution 8452 155 60 7 TEDATA 5536 122 8 16 Internet Egypt Network 2018 117 298 103 Tertiary Education Network 15475 102 84 4 Nile Online 2905 74 155 67 The Internetworking Company o 6713 73 87 11 Itissalat Al-MAGHRIB 20928 58 16 2 Noor Advanced Technologies AS 24835 58 50 7 RAYA Telecom - Egypt 5713 38 166 34 Telkom SA Ltd 15706 31 8 3 Sudatel Internet Exchange Aut 33774 30 7 21 AS Number for Telecom Algeria 12455 28 6 5 Jambonet Autonomous system 23889 25 7 10 MAURITIUS TELECOM 8524 23 1 4 AUCEGYPT Autonomous System 16637 23 10 21 Johnnic e-Ventures 10798 22 1 13 Standard Bank of South Africa 8346 21 14 18 SONATEL-AS Autonomous System 21280 21 4 4 Swift Global Kenya Ltd.Is an 12258 17 3 11 Vodacom Internet Company Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 1206 971 Time Warner Telecom 18566 907 899 Covad Communications 19029 977 862 New Edge Networks 9583 853 838 Sify Limited 4134 985 781 CHINANET-BACKBONE 721 1022 713 DLA Systems Automation Center 11492 628 616 Cable One 4755 652 597 Videsh Sanchar Nigam Ltd. Aut 22773 627 589 Cox Communications, Inc. 855 573 509 Canadian Research Network 19916 563 509 OLM LLC 17488 514 507 Hathway IP Over Cable Interne 5668 517 493 CenturyTel Internet Holdings, 6197 980 472 BellSouth Network Solutions, 19262 620 468 Verizon Global Networks 6198 695 455 BellSouth Network Solutions, 9498 528 455 BHARTI BT INTERNET LTD. 7545 517 447 TPG Internet Pty Ltd 7757 461 442 AT&T Broadband 3602 522 416 Sprint Canada, Inc. List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65211 PRIVATE 125.64.3.0/24 4134 CHINANET-BACKBONE 65005 PRIVATE 159.153.148.0/22 24989 IX Europe Frankfurt 64811 PRIVATE 202.127.124.0/24 24405 Beijing CJWX Communi 65505 PRIVATE 206.252.200.192/27 8002 Stealth Communicatio 65518 PRIVATE 211.144.192.0/19 24421 * 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 /9:9 /10:8 /11:22 /12:87 /13:199 /14:349 /15:694 /16:8701 /17:3067 /18:5063 /19:11275 /20:12462 /21:10873 /22:13874 /23:15104 /24:98949 /25:343 /26:266 /27:201 /28:60 /29:25 /30:54 /31:3 /32:41 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 19029 899 977 New Edge Networks 18566 890 907 Covad Communications 6197 785 980 BellSouth Network Solutions, 7018 754 1475 AT&T WorldNet Services 9583 672 853 Sify Limited 2386 621 890 AT&T Data Communications Serv 11492 620 628 Cable One 4323 582 1206 Time Warner Telecom 6198 560 695 BellSouth Network Solutions, 19916 557 563 OLM LLC 4766 514 710 Korea Telecom (KIX) 855 445 573 Canadian Research Network 7757 443 461 AT&T Broadband 7011 423 492 Citizens Utilities 5668 403 517 CenturyTel Internet Holdings, 702 372 588 UUNET - Commercial IP service 1239 371 851 Sprint 15270 341 370 PaeTec.net -a division of Pae 6517 340 367 Yipes Communications, Inc. 22773 328 627 Cox Communications, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 8:42 12:1643 13:1 15:12 16:3 17:3 18:4 20:44 24:864 25:1 30:2 32:66 38:196 40:53 44:3 47:3 52:4 55:1 56:3 57:33 58:115 59:160 60:180 61:798 62:769 63:1895 64:3051 65:2257 66:3072 67:579 68:672 69:1434 70:308 71:51 72:622 73:23 74:5 80:757 81:576 82:507 83:360 84:344 85:422 86:289 87:166 88:21 89:22 124:12 125:266 128:148 129:173 130:107 131:314 132:32 133:7 134:146 135:46 136:169 137:60 138:187 139:85 140:388 141:133 142:414 143:144 144:224 145:39 146:307 147:136 148:321 149:186 150:114 151:73 152:62 153:103 154:6 155:186 156:95 157:121 158:158 159:180 160:88 161:68 162:218 163:142 164:174 165:203 166:147 167:236 168:473 169:140 170:317 171:12 190:30 192:5769 193:3363 194:2507 195:1765 196:759 198:3904 199:3258 200:4192 201:592 202:6442 203:6786 204:3882 205:2093 206:2434 207:2929 208:1993 209:3855 210:1939 211:813 212:1290 213:1446 214:332 215:40 216:4087 217:1152 218:238 219:135 220:635 221:341 222:149 End of report