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 22 Apr, 2006 Analysis Summary ---------------- BGP routing table entries examined: 187104 Prefixes after maximum aggregation: 103330 Unique aggregates announced to Internet: 91523 Total ASes present in the Internet Routing Table: 21984 Origin-only ASes present in the Internet Routing Table: 19122 Origin ASes announcing only one prefix: 9094 Transit ASes present in the Internet Routing Table: 2862 Transit-only ASes present in the Internet Routing Table: 61 Average AS path length visible in the Internet Routing Table: 3.5 Max AS path length visible: 29 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: 11 Number of addresses announced to Internet: 1509815456 Equivalent to 89 /8s, 253 /16s and 244 /24s Percentage of available address space announced: 40.7 Percentage of allocated address space announced: 60.1 Percentage of available address space allocated: 67.8 Total number of prefixes smaller than registry allocations: 92315 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 39292 Total APNIC prefixes after maximum aggregation: 16461 Prefixes being announced from the APNIC address blocks: 37000 Unique aggregates announced from the APNIC address blocks: 18194 APNIC Region origin ASes present in the Internet Routing Table: 2545 APNIC Region origin ASes announcing only one prefix: 718 APNIC Region transit ASes present in the Internet Routing Table: 393 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 222429920 Equivalent to 13 /8s, 66 /16s and 2 /24s Percentage of available APNIC address space announced: 69.5 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, 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: 97380 Total ARIN prefixes after maximum aggregation: 57484 Prefixes being announced from the ARIN address blocks: 76450 Unique aggregates announced from the ARIN address blocks: 29408 ARIN Region origin ASes present in the Internet Routing Table: 10646 ARIN Region origin ASes announcing only one prefix: 3990 ARIN Region transit ASes present in the Internet Routing Table: 987 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 26 Number of ARIN addresses announced to Internet: 295772672 Equivalent to 17 /8s, 161 /16s and 34 /24s Percentage of available ARIN address space announced: 73.5 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: 37242 Total RIPE prefixes after maximum aggregation: 24873 Prefixes being announced from the RIPE address blocks: 34282 Unique aggregates announced from the RIPE address blocks: 23106 RIPE Region origin ASes present in the Internet Routing Table: 7902 RIPE Region origin ASes announcing only one prefix: 4119 RIPE Region transit ASes present in the Internet Routing Table: 1299 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 245870016 Equivalent to 14 /8s, 167 /16s and 173 /24s Percentage of available RIPE address space announced: 73.3 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: 11058 Total LACNIC prefixes after maximum aggregation: 3610 Prefixes being announced from the LACNIC address blocks: 9199 Unique aggregates announced from the LACNIC address blocks: 5411 LACNIC Region origin ASes present in the Internet Routing Table: 680 LACNIC Region origin ASes announcing only one prefix: 221 LACNIC Region transit ASes present in the Internet Routing Table: 129 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 29 Number of LACNIC addresses announced to Internet: 26513152 Equivalent to 1 /8s, 148 /16s and 143 /24s Percentage of available LACNIC address space announced: 39.5 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: 2127 Total AfriNIC prefixes after maximum aggregation: 902 Prefixes being announced from the AfriNIC address blocks: 1460 Unique aggregates announced from the AfriNIC address blocks: 955 AfriNIC Region origin ASes present in the Internet Routing Table: 152 AfriNIC Region origin ASes announcing only one prefix: 46 AfriNIC Region transit ASes present in the Internet Routing Table: 25 Average AfriNIC Region AS path length visible: 3.4 Max AfriNIC Region AS path length visible: 13 Number of AfriNIC addresses announced to Internet: 4043776 Equivalent to 0 /8s, 61 /16s and 180 /24s Percentage of available AfriNIC address space announced: 12.1 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 1081 7069 217 CHINANET-BACKBONE 9583 890 109 16 Sify Limited 4755 766 257 67 Videsh Sanchar Nigam Ltd. Aut 4766 681 4436 304 Korea Telecom (KIX) 1221 621 1557 475 Telstra Pty Ltd 9498 571 212 72 BHARTI BT INTERNET LTD. 7545 527 108 69 TPG Internet Pty Ltd 17488 501 31 7 Hathway IP Over Cable Interne 17676 484 6997 107 Softbank BB Corp. 9443 450 110 81 Primus Telecommunications 4802 382 81 176 Wantree Development 18101 340 69 18 Reliance Infocom Ltd Internet 17849 339 22 114 Telecommunications Technology 2907 336 1749 312 SINET Japan 9929 322 221 57 China Netcom Corp. 17557 317 27 161 Pakistan Telecom 17974 308 120 27 PT TELEKOMUNIKASI INDONESIA 7474 296 210 228 SingTel Optus Pty Ltd 9800 270 410 67 CHINA UNICOM 9837 265 77 161 Powertel Ltd ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1507 6254 979 AT&T WorldNet Services 4323 1264 733 251 Time Warner Telecom 6197 1010 618 475 BellSouth Network Solutions, 721 1008 21961 305 DLA Systems Automation Center 174 962 5787 910 Cogent Communications 19029 946 151 111 New Edge Networks 701 935 8031 777 UUNET Technologies, Inc. 18566 935 272 8 Covad Communications 2386 878 537 670 AT&T Data Communications Serv 1239 849 2804 603 Sprint 209 718 3615 560 Qwest 19262 686 1990 163 Verizon Global Networks 20115 681 596 363 Charter Communications 22773 648 1735 40 Cox Communications, Inc. 7011 631 217 412 Citizens Utilities 11492 627 86 20 Cable One 6198 592 534 236 BellSouth Network Solutions, 852 582 1085 384 Telus Advanced Communications 19916 563 49 54 OLM LLC 855 553 244 63 Canadian Research Network RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 579 1951 455 UUNET - Commercial IP service 3352 309 1596 32 Ibernet, Internet Access Netw 3301 308 1071 292 TeliaNet Sweden 8220 293 474 271 COLT Telecommunications 3320 287 3989 238 Deutsche Telekom AG 680 245 2025 242 DFN-IP service G-WiN 3246 232 504 222 Song Networks 6746 228 89 202 Dynamic Network Technologies, 8708 218 276 201 Romania Data Systems S.A. 24863 207 40 9 LINKdotNET AS number 8551 202 198 24 Bezeq International 1257 196 710 171 SWIPnet Swedish IP Network 3269 195 2070 74 TELECOM ITALIA 3215 194 1630 92 France Telecom Transpac 8866 177 37 15 Bulgarian Telecommunication C 786 171 1778 171 The JANET IP Service 5400 171 363 140 BT Ignite European Backbone 9121 168 931 27 TTnet Autonomous System 6830 167 765 35 UPC Distribution Services 30890 163 15 61 SC Kappa Invexim SRL LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 696 1067 227 UniNet S.A. de C.V. 22047 408 158 11 VTR PUNTO NET S.A. 11172 322 110 84 Servicios Alestra S.A de C.V 16814 314 20 8 NSS, S.A. 14117 189 12 6 Telefonica del Sur S.A. 10481 181 72 8 Prima S.A. 7303 159 75 20 Telecom Argentina Stet-France 6147 153 124 23 Telefonica Del Peru 21826 133 16 21 INTERCABLE 5639 132 12 9 Telecommunications Services o 11556 132 80 4 Cable-Wireless Panama 19169 125 8 28 Telconet 6503 122 149 75 AVANTEL, S.A. 14259 114 10 12 GTD Internet S.A. 23216 107 21 8 RAMtelecom Telecomunicaciones 6505 106 88 78 Global One Communicaoes Ltda 7910 105 7 10 ANDINET ON LINE 19429 102 57 43 E.T.B. 18822 97 6 8 TELEFONICA MANQUEHUE 7315 96 6 3 Grupo Rey Moreno AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 278 803 233 The Internet Solution 8452 169 60 7 TEDATA 6713 145 135 11 Itissalat Al-MAGHRIB 2018 123 314 104 Tertiary Education Network 5536 121 8 18 Internet Egypt Network 24835 118 50 7 RAYA Telecom - Egypt 33783 93 6 12 EEPAD TISP TELECOM & INTERNET 2905 74 155 67 The Internetworking Company o 15475 65 84 4 Nile Online 20928 57 16 2 Noor Advanced Technologies AS 12455 43 6 6 Jambonet Autonomous system 5713 39 294 35 Telkom SA Ltd 15706 31 8 3 Sudatel Internet Exchange Aut 33774 29 7 20 AS Number for Telecom Algeria 23889 26 8 11 MAURITIUS TELECOM 8524 24 1 4 AUCEGYPT Autonomous System 16637 24 14 22 Johnnic e-Ventures 10798 22 1 13 Standard Bank of South Africa 2561 19 6 2 Egyptian Universities Network 21491 19 17 2 UTL On-line is RF broadband I Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 1264 1013 Time Warner Telecom 18566 935 927 Covad Communications 9583 890 874 Sify Limited 4134 1081 864 CHINANET-BACKBONE 19029 946 835 New Edge Networks 721 1008 703 DLA Systems Automation Center 4755 766 699 Videsh Sanchar Nigam Ltd. Aut 22773 648 608 Cox Communications, Inc. 11492 627 607 Cable One 6197 1010 535 BellSouth Network Solutions, 19262 686 523 Verizon Global Networks 19916 563 509 OLM LLC 5668 535 505 CenturyTel Internet Holdings, 9498 571 499 BHARTI BT INTERNET LTD. 17488 501 494 Hathway IP Over Cable Interne 855 553 490 Canadian Research Network 8151 696 469 UniNet S.A. de C.V. 7545 527 458 TPG Internet Pty Ltd 7757 477 458 AT&T Broadband 3602 538 429 Sprint Canada, Inc. List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 65241 PRIVATE 65.90.71.0/24 10794 Bank of America 65005 PRIVATE 159.153.148.0/22 24989 IX Europe Frankfurt 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com 64624 PRIVATE 204.114.220.0/24 18113 Pfizer Pte Ltd Singa 64624 PRIVATE 204.114.221.0/24 18113 Pfizer Pte Ltd Singa Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 121.128.0.0/11 4766 Korea Telecom (KIX) 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 183.206.196.0/24 2188 FR-RENATER-ASTER 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 192.172.0.0/19 721 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 /8:17 /9:9 /10:9 /11:28 /12:88 /13:198 /14:358 /15:698 /16:8795 /17:3181 /18:5235 /19:11561 /20:13040 /21:11270 /22:14474 /23:15542 /24:101557 /25:372 /26:252 /27:221 /28:63 /29:70 /30:34 /31:0 /32:32 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 918 935 Covad Communications 19029 881 946 New Edge Networks 6197 798 1010 BellSouth Network Solutions, 7018 795 1507 AT&T WorldNet Services 9583 719 890 Sify Limited 11492 618 627 Cable One 4323 607 1264 Time Warner Telecom 2386 598 878 AT&T Data Communications Serv 19916 557 563 OLM LLC 7011 540 631 Citizens Utilities 4766 491 681 Korea Telecom (KIX) 7757 459 477 AT&T Broadband 6198 443 592 BellSouth Network Solutions, 855 428 553 Canadian Research Network 5668 416 535 CenturyTel Internet Holdings, 1239 378 849 Sprint 15270 374 405 PaeTec.net -a division of Pae 702 360 579 UUNET - Commercial IP service 6517 355 384 Yipes Communications, Inc. 8151 340 696 UniNet S.A. de C.V. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:3 8:40 12:1627 13:1 15:12 16:3 17:3 18:4 20:43 24:882 25:1 30:2 32:66 38:211 40:54 44:3 47:6 52:4 55:1 56:3 57:31 58:145 59:195 60:174 61:829 62:765 63:1925 64:3124 65:2235 66:3065 67:630 68:684 69:1479 70:337 71:76 72:696 73:23 74:29 80:775 81:629 82:617 83:384 84:378 85:523 86:346 87:318 88:72 89:148 124:224 125:368 128:161 129:176 130:107 131:317 132:31 133:8 134:160 135:46 136:177 137:71 138:198 139:66 140:463 141:134 142:388 143:161 144:225 145:42 146:325 147:134 148:322 149:186 150:114 151:81 152:64 153:107 154:6 155:196 156:96 157:142 158:165 159:171 160:87 161:73 162:253 163:145 164:179 165:192 166:163 167:245 168:477 169:134 170:331 171:12 172:1 183:1 190:95 192:5765 193:3363 194:2587 195:1819 196:851 198:3868 199:3238 200:4352 201:852 202:6596 203:6805 204:3877 205:2094 206:2417 207:2931 208:2050 209:3842 210:1938 211:700 212:1254 213:1470 214:341 215:41 216:4123 217:1170 218:261 219:181 220:646 221:357 222:147 End of report