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 24 Jun, 2006 Analysis Summary ---------------- BGP routing table entries examined: 191664 Prefixes after maximum aggregation: 105172 Unique aggregates announced to Internet: 92904 Total ASes present in the Internet Routing Table: 22516 Origin-only ASes present in the Internet Routing Table: 19587 Origin ASes announcing only one prefix: 9392 Transit ASes present in the Internet Routing Table: 2929 Transit-only ASes present in the Internet Routing Table: 63 Average AS path length visible in the Internet Routing Table: 3.5 Max AS path length visible: 24 Max AS path prepend of ASN (32609) 16 Prefixes from unregistered ASNs in the Routing Table: 2 Unregistered ASNs in the Routing Table: 3 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 9 Number of addresses announced to Internet: 1543273736 Equivalent to 91 /8s, 252 /16s and 125 /24s Percentage of available address space announced: 41.6 Percentage of allocated address space announced: 60.2 Percentage of available address space allocated: 69.1 Total number of prefixes smaller than registry allocations: 95120 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 40985 Total APNIC prefixes after maximum aggregation: 16907 Prefixes being announced from the APNIC address blocks: 38706 Unique aggregates announced from the APNIC address blocks: 18500 APNIC Region origin ASes present in the Internet Routing Table: 2620 APNIC Region origin ASes announcing only one prefix: 752 APNIC Region transit ASes present in the Internet Routing Table: 397 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 234437216 Equivalent to 13 /8s, 249 /16s and 58 /24s Percentage of available APNIC address space announced: 73.3 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, 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: 98398 Total ARIN prefixes after maximum aggregation: 58065 Prefixes being announced from the ARIN address blocks: 72194 Unique aggregates announced from the ARIN address blocks: 26957 ARIN Region origin ASes present in the Internet Routing Table: 10799 ARIN Region origin ASes announcing only one prefix: 4077 ARIN Region transit ASes present in the Internet Routing Table: 989 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 294470400 Equivalent to 17 /8s, 141 /16s and 67 /24s Percentage of available ARIN address space announced: 76.3 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, 39936-40959 ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 199/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 38249 Total RIPE prefixes after maximum aggregation: 25557 Prefixes being announced from the RIPE address blocks: 35302 Unique aggregates announced from the RIPE address blocks: 23164 RIPE Region origin ASes present in the Internet Routing Table: 8177 RIPE Region origin ASes announcing only one prefix: 4288 RIPE Region transit ASes present in the Internet Routing Table: 1359 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 261011076 Equivalent to 15 /8s, 142 /16s and 182 /24s Percentage of available RIPE address space announced: 81.9 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 40960-41983 RIPE Address Blocks 62/8, 80/5, 88/6, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 11770 Total LACNIC prefixes after maximum aggregation: 3743 Prefixes being announced from the LACNIC address blocks: 9891 Unique aggregates announced from the LACNIC address blocks: 5550 LACNIC Region origin ASes present in the Internet Routing Table: 699 LACNIC Region origin ASes announcing only one prefix: 231 LACNIC Region transit ASes present in the Internet Routing Table: 130 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 27735552 Equivalent to 1 /8s, 167 /16s and 54 /24s Percentage of available LACNIC address space announced: 41.3 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: 2260 Total AfriNIC prefixes after maximum aggregation: 900 Prefixes being announced from the AfriNIC address blocks: 1514 Unique aggregates announced from the AfriNIC address blocks: 974 AfriNIC Region origin ASes present in the Internet Routing Table: 158 AfriNIC Region origin ASes announcing only one prefix: 44 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: 11 Number of AfriNIC addresses announced to Internet: 4137728 Equivalent to 0 /8s, 63 /16s and 35 /24s Percentage of available AfriNIC address space announced: 12.3 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 1238 7261 228 CHINANET-BACKBONE 4755 943 258 74 Videsh Sanchar Nigam Ltd. Aut 9583 909 109 16 Sify Limited 4766 687 4435 302 Korea Telecom (KIX) 9498 676 211 67 BHARTI BT INTERNET LTD. 1221 614 1668 472 Telstra Pty Ltd 7545 546 124 70 TPG Internet Pty Ltd 17488 519 32 10 Hathway IP Over Cable Interne 17676 489 7077 110 Softbank BB Corp. 9443 452 111 83 Primus Telecommunications 18101 417 85 24 Reliance Infocom Ltd Internet 17557 398 31 177 Pakistan Telecom 17974 384 129 14 PT TELEKOMUNIKASI INDONESIA 4802 382 81 169 Wantree Development 2907 335 1733 311 SINET Japan 9929 330 255 61 China Netcom Corp. 17849 303 23 103 Telecommunications Technology 7474 297 211 227 SingTel Optus Pty Ltd 10139 284 19 5 Meridian Telekoms 4837 277 3085 123 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1486 6264 952 AT&T WorldNet Services 4323 1319 744 263 Time Warner Telecom 721 1023 21998 314 DLA Systems Automation Center 6197 1012 630 475 BellSouth Network Solutions, 174 962 5771 899 Cogent Communications 18566 945 272 8 Covad Communications 19029 943 151 106 New Edge Networks 701 940 6753 778 UUNET Technologies, Inc. 2386 914 560 707 AT&T Data Communications Serv 1239 844 2788 596 Sprint 19262 714 2134 187 Verizon Global Networks 20115 713 619 381 Charter Communications 209 696 3683 550 Qwest 22773 668 1741 40 Cox Communications, Inc. 7011 651 218 414 Citizens Utilities 11492 635 87 23 Cable One 852 583 1084 382 Telus Advanced Communications 19916 563 49 54 OLM LLC 855 553 244 64 Canadian Research Network 3602 526 125 104 Sprint Canada, Inc. RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 569 1951 448 UUNET - Commercial IP service 3301 312 1327 297 TeliaNet Sweden 3352 304 1643 30 Ibernet, Internet Access Netw 3320 286 3989 240 Deutsche Telekom AG 8220 275 470 263 COLT Telecommunications 680 246 2041 243 DFN-IP service G-WiN 6746 238 90 213 Dynamic Network Technologies, 3246 229 462 219 Song Networks 8708 217 276 203 Romania Data Systems S.A. 24863 215 42 10 LINKdotNET AS number 3215 201 1720 96 France Telecom Transpac 3269 201 2182 72 TELECOM ITALIA 8551 201 198 24 Bezeq International 30890 198 18 75 SC Kappa Invexim SRL 1257 193 741 165 SWIPnet Swedish IP Network 8866 187 37 15 Bulgarian Telecommunication C 6830 175 813 37 UPC Distribution Services 786 169 1778 169 The JANET IP Service 9121 169 931 28 TTnet Autonomous System 3300 168 171 98 AUCS Communications Services LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 704 1099 221 UniNet S.A. de C.V. 22047 418 174 11 VTR PUNTO NET S.A. 11172 350 110 84 Servicios Alestra S.A de C.V 16814 329 20 8 NSS, S.A. 6147 267 134 22 Telefonica Del Peru 11664 226 26 13 Keytech SA 14117 207 13 7 Telefonica del Sur S.A. 10481 181 72 8 Prima S.A. 7303 176 82 24 Telecom Argentina Stet-France 6503 173 151 84 AVANTEL, S.A. 21826 133 17 23 INTERCABLE 11556 132 80 4 Cable-Wireless Panama 19169 128 8 24 Telconet 14259 119 10 15 GTD Internet S.A. 19429 118 64 41 E.T.B. 14522 116 18 9 SatNet S.A. 23216 114 21 9 RAMtelecom Telecomunicaciones 6505 109 88 79 Global One Communicaoes Ltda 7910 105 7 10 ANDINET ON LINE 7738 104 410 20 Telecomunicacoes da Bahia S.A AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 286 803 234 The Internet Solution 8452 165 60 7 TEDATA 6713 154 135 11 Itissalat Al-MAGHRIB 2018 131 314 105 Tertiary Education Network 5536 124 8 15 Internet Egypt Network 24835 116 48 6 RAYA Telecom - Egypt 15475 111 84 4 Nile Online 33783 105 6 2 EEPAD TISP TELECOM & INTERNET 2905 73 155 66 The Internetworking Company o 20928 59 16 2 Noor Advanced Technologies AS 15706 44 8 3 Sudatel Internet Exchange Aut 5713 39 294 35 Telkom SA Ltd 33774 31 7 21 AS Number for Telecom Algeria 12455 25 6 3 Jambonet Autonomous system 16637 24 14 22 Johnnic e-Ventures 8524 22 1 5 AUCEGYPT Autonomous System 10798 22 1 13 Standard Bank of South Africa 23889 22 8 11 MAURITIUS TELECOM 33766 21 2 1 Nyala Communications Pty Ltd 21491 20 17 2 UTL On-line is RF broadband I Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 1319 1056 Time Warner Telecom 4134 1238 1010 CHINANET-BACKBONE 18566 945 937 Covad Communications 9583 909 893 Sify Limited 4755 943 869 Videsh Sanchar Nigam Ltd. Aut 19029 943 837 New Edge Networks 721 1023 709 DLA Systems Automation Center 22773 668 628 Cox Communications, Inc. 11492 635 612 Cable One 9498 676 609 BHARTI BT INTERNET LTD. 6197 1012 537 BellSouth Network Solutions, 19262 714 527 Verizon Global Networks 19916 563 509 OLM LLC 17488 519 509 Hathway IP Over Cable Interne 5668 525 502 CenturyTel Internet Holdings, 855 553 489 Canadian Research Network 8151 704 483 UniNet S.A. de C.V. 7545 546 476 TPG Internet Pty Ltd 3602 526 422 Sprint Canada, Inc. 22047 418 407 VTR PUNTO NET S.A. List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com 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 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 192.172.0.0/19 721 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 /10:10 /11:28 /12:93 /13:201 /14:363 /15:712 /16:8871 /17:3260 /18:5390 /19:11769 /20:13322 /21:11654 /22:14862 /23:15982 /24:104035 /25:385 /26:289 /27:182 /28:65 /29:73 /30:51 /31:0 /32:40 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 928 945 Covad Communications 19029 876 943 New Edge Networks 6197 794 1012 BellSouth Network Solutions, 7018 787 1486 AT&T WorldNet Services 9583 739 909 Sify Limited 4323 643 1319 Time Warner Telecom 2386 633 914 AT&T Data Communications Serv 11492 626 635 Cable One 7011 560 651 Citizens Utilities 19916 557 563 OLM LLC 4766 499 687 Korea Telecom (KIX) 855 427 553 Canadian Research Network 5668 408 525 CenturyTel Internet Holdings, 15270 407 438 PaeTec.net -a division of Pae 1239 392 844 Sprint 9498 379 676 BHARTI BT INTERNET LTD. 4755 373 943 Videsh Sanchar Nigam Ltd. Aut 6517 364 395 Yipes Communications, Inc. 702 353 569 UUNET - Commercial IP service 6198 353 510 BellSouth Network Solutions, Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:9 8:42 12:1614 13:1 15:16 16:3 17:3 18:4 20:41 24:762 25:1 32:58 38:234 40:54 41:3 44:3 47:6 52:4 55:1 56:3 57:26 58:178 59:236 60:175 61:860 62:814 63:1895 64:3197 65:2199 66:3131 67:619 68:684 69:1523 70:398 71:82 72:776 74:45 75:1 80:768 81:646 82:626 83:381 84:376 85:563 86:383 87:367 88:109 89:296 121:1 122:2 123:1 124:290 125:525 128:152 129:189 130:118 131:317 132:33 133:8 134:159 135:48 136:178 137:82 138:206 139:55 140:522 141:134 142:380 143:165 144:223 145:39 146:319 147:137 148:340 149:188 150:114 151:94 152:69 153:106 154:5 155:204 156:183 157:146 158:168 159:171 160:91 161:77 162:244 163:159 164:182 165:211 166:172 167:247 168:492 169:128 170:352 171:14 183:1 190:96 192:5734 193:3357 194:2645 195:1931 196:851 198:3964 199:3228 200:4624 201:1004 202:6690 203:7039 204:3910 205:2033 206:2425 207:2914 208:2161 209:3753 210:1994 211:696 212:1257 213:1478 214:362 215:41 216:4228 217:1159 218:295 219:232 220:718 221:370 222:189 End of report