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 For historical data, please see http://thyme.apnic.net. If you have any comments please contact Philip Smith <pfs@cisco.com>. Routing Table Report 04:00 +10GMT Sat 03 Mar, 2007 Analysis Summary ---------------- BGP routing table entries examined: 213872 Prefixes after maximum aggregation: 114752 Deaggregation factor: 1.86 Unique aggregates announced to Internet: 103985 Total ASes present in the Internet Routing Table: 24509 Origin-only ASes present in the Internet Routing Table: 21327 Origin ASes announcing only one prefix: 10308 Transit ASes present in the Internet Routing Table: 3182 Transit-only ASes present in the Internet Routing Table: 79 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 32 Max AS path prepend of ASN (20858) 18 Prefixes from unregistered ASNs in the Routing Table: 4 Unregistered ASNs in the Routing Table: 6 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1689261068 Equivalent to 100 /8s, 176 /16s and 20 /24s Percentage of available address space announced: 45.6 Percentage of allocated address space announced: 62.6 Percentage of available address space allocated: 72.8 Total number of prefixes smaller than registry allocations: 110720 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 48655 Total APNIC prefixes after maximum aggregation: 19591 APNIC Deaggregation factor: 2.48 Prefixes being announced from the APNIC address blocks: 45739 Unique aggregates announced from the APNIC address blocks: 20424 APNIC Region origin ASes present in the Internet Routing Table: 2885 APNIC Region origin ASes announcing only one prefix: 786 APNIC Region transit ASes present in the Internet Routing Table: 427 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 291151232 Equivalent to 17 /8s, 90 /16s and 157 /24s Percentage of available APNIC address space announced: 72.1 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, 116/6, 120/6, 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: 104281 Total ARIN prefixes after maximum aggregation: 61265 ARIN Deaggregation factor: 1.70 Prefixes being announced from the ARIN address blocks: 76236 Unique aggregates announced from the ARIN address blocks: 29615 ARIN Region origin ASes present in the Internet Routing Table: 11368 ARIN Region origin ASes announcing only one prefix: 4354 ARIN Region transit ASes present in the Internet Routing Table: 1054 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 319487360 Equivalent to 19 /8s, 10 /16s and 253 /24s Percentage of available ARIN address space announced: 70.5 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, 39936-40959 ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 44188 Total RIPE prefixes after maximum aggregation: 28812 RIPE Deaggregation factor: 1.53 Prefixes being announced from the RIPE address blocks: 40870 Unique aggregates announced from the RIPE address blocks: 27149 RIPE Region origin ASes present in the Internet Routing Table: 9228 RIPE Region origin ASes announcing only one prefix: 4860 RIPE Region transit ASes present in the Internet Routing Table: 1495 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 32 Number of RIPE addresses announced to Internet: 292912388 Equivalent to 17 /8s, 117 /16s and 125 /24s Percentage of available RIPE address space announced: 79.4 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 40960-43007 RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 14169 Total LACNIC prefixes after maximum aggregation: 4116 LACNIC Deaggregation factor: 3.44 Prefixes being announced from the LACNIC address blocks: 12239 Unique aggregates announced from the LACNIC address blocks: 7058 LACNIC Region origin ASes present in the Internet Routing Table: 767 LACNIC Region origin ASes announcing only one prefix: 247 LACNIC Region transit ASes present in the Internet Routing Table: 139 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 37947648 Equivalent to 2 /8s, 67 /16s and 9 /24s Percentage of available LACNIC address space announced: 56.5 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: 2576 Total AfriNIC prefixes after maximum aggregation: 966 AfriNIC Deaggregation factor: 2.67 Prefixes being announced from the AfriNIC address blocks: 1891 Unique aggregates announced from the AfriNIC address blocks: 1182 AfriNIC Region origin ASes present in the Internet Routing Table: 181 AfriNIC Region origin ASes announcing only one prefix: 60 AfriNIC Region transit ASes present in the Internet Routing Table: 35 Average AfriNIC Region AS path length visible: 3.6 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 5486080 Equivalent to 0 /8s, 83 /16s and 182 /24s Percentage of available AfriNIC address space announced: 16.3 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 1276 8718 277 CHINANET-BACKBONE 4755 1141 383 77 Videsh Sanchar Nigam Ltd. Aut 9583 1073 77 370 Sify Limited 9498 957 468 66 BHARTI BT INTERNET LTD. 23577 776 35 705 Korea Telecom (ATM-MPLS) 4766 773 4943 311 Korea Telecom (KIX) 17488 612 40 28 Hathway IP Over Cable Interne 7545 591 142 77 TPG Internet Pty Ltd 1221 578 1957 443 Telstra Pty Ltd 18101 529 103 22 Reliance Infocom Ltd Internet 17676 503 10935 65 Softbank BB Corp. 4668 454 68 10 LG-EDS Systems Inc. 9443 443 111 74 Primus Telecommunications 4812 442 785 72 China Telecom (Shanghai) 7474 379 216 259 SingTel Optus Pty Ltd 4802 360 86 149 Wantree Development 17557 351 34 171 Pakistan Telecom 4837 342 4392 153 chinanet IDC center beijing n 17974 337 129 14 PT TELEKOMUNIKASI INDONESIA 2907 336 1749 309 SINET Japan ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1498 6125 982 AT&T WorldNet Services 4323 1330 1005 353 Time Warner Telecom 6478 1124 432 184 AT&T Worldnet Services 2386 1112 570 738 AT&T Data Communications Serv 6197 1022 667 497 BellSouth Network Solutions, 18566 993 288 9 Covad Communications 11492 984 101 18 Cable One 174 941 6792 865 Cogent Communications 701 938 6696 746 UUNET Technologies, Inc. 1239 817 2714 572 Sprint 20115 802 706 422 Charter Communications 7011 795 227 474 Citizens Utilities 19262 756 2591 177 Verizon Global Networks 22773 731 1872 41 Cox Communications, Inc. 209 715 3746 570 Qwest 721 626 21787 274 DLA Systems Automation Center 852 593 1088 379 Telus Advanced Communications 5668 570 160 16 CenturyTel Internet Holdings, 19916 568 49 54 OLM LLC 855 567 250 71 Canadian Research Network RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 539 1879 417 UUNET - Commercial IP service 24863 330 61 23 LINKdotNET AS number 3301 312 1200 291 TeliaNet Sweden 3320 299 4994 250 Deutsche Telekom AG 8220 272 469 263 COLT Telecommunications 6746 269 95 248 Dynamic Network Technologies, 680 257 2044 251 DFN-IP service G-WiN 5416 253 16 16 BATELCO-BH 8708 241 284 228 Romania Data Systems S.A. 3215 238 2224 91 France Telecom Transpac 1257 221 1111 170 SWIPnet Swedish IP Network 3269 217 2519 73 TELECOM ITALIA 3246 208 355 197 Song Networks 30890 204 17 96 SC Kappa Invexim SRL 8551 203 196 28 Bezeq International 20858 197 34 3 EgyNet 3352 193 1783 33 Ibernet, Internet Access Netw 3300 184 171 90 AUCS Communications Services 12479 179 578 6 Uni2 Autonomous System 786 174 1795 174 The JANET IP Service LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1049 2037 210 UniNet S.A. de C.V. 11830 478 297 66 Instituto Costarricense de El 11172 349 109 85 Servicios Alestra S.A de C.V 16814 329 20 8 NSS, S.A. 22047 307 206 11 VTR PUNTO NET S.A. 6471 254 74 30 ENTEL CHILE S.A. 7303 253 142 30 Telecom Argentina Stet-France 14117 239 16 13 Telefonica del Sur S.A. 11556 237 128 4 Cable-Wireless Panama 6147 230 182 20 Telefonica Del Peru 6503 201 171 82 AVANTEL, S.A. 10481 181 72 8 Prima S.A. 20299 173 25 24 NEWCOM AMERICAS 21826 161 29 57 INTERCABLE 23216 153 19 42 RAMtelecom Telecomunicaciones 7910 152 11 32 ANDINET ON LINE 19429 146 91 37 E.T.B. 18822 145 9 10 TELEFONICA MANQUEHUE 14522 142 22 9 SatNet S.A. 10620 136 42 15 TVCABLE BOGOTA AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 290 868 232 The Internet Solution 8452 246 60 6 TEDATA 15475 159 84 4 Nile Online 6713 143 135 11 Itissalat Al-MAGHRIB 2018 138 309 113 Tertiary Education Network 5536 123 8 15 Internet Egypt Network 2905 121 178 94 The Internetworking Company o 33783 111 6 5 EEPAD TISP TELECOM & INTERNET 24835 86 48 6 RAYA Telecom - Egypt 2561 64 6 2 Egyptian Universities Network 15706 55 12 4 Sudatel Internet Exchange Aut 23889 49 16 13 MAURITIUS TELECOM 5713 44 294 34 Telkom SA Ltd 33774 42 12 22 AS Number for Telecom Algeria 16637 33 21 25 Johnnic e-Ventures 33766 33 2 1 Nyala Communications Pty Ltd 8524 30 2 6 AUCEGYPT Autonomous System 12455 27 6 3 Jambonet Autonomous system 21280 27 4 4 Swift Global Kenya Ltd.Is an 33776 27 2 5 Starcomms Nigeria Limited Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4755 1141 1064 Videsh Sanchar Nigam Ltd. Aut 4134 1276 999 CHINANET-BACKBONE 18566 993 984 Covad Communications 4323 1330 977 Time Warner Telecom 11492 984 966 Cable One 6478 1124 940 AT&T Worldnet Services 9498 957 891 BHARTI BT INTERNET LTD. 8151 1049 839 UniNet S.A. de C.V. 9583 1073 703 Sify Limited 22773 731 690 Cox Communications, Inc. 17488 612 584 Hathway IP Over Cable Interne 19262 756 579 Verizon Global Networks 5668 570 554 CenturyTel Internet Holdings, 6197 1022 525 BellSouth Network Solutions, 7545 591 514 TPG Internet Pty Ltd 19916 568 514 OLM LLC 18101 529 507 Reliance Infocom Ltd Internet 855 567 496 Canadian Research Network 15270 509 475 PaeTec.net -a division of Pae 4766 773 462 Korea Telecom (KIX) List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 65535 PRIVATE 189.10.3.0/24 8167 TELESC - Telecomunic 24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com 22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 7.1.1.0/24 1239 Sprint 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 172.33.1.0/24 7018 AT&T WorldNet Services 180.190.0.0/16 24003 JUBILANT ORGANOSYS LTD., INDI 192.0.10.0/24 9498 BHARTI BT INTERNET LTD. 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 192.153.136.0/21 721 DLA Systems Automation Center 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 /8:20 /9:9 /10:12 /11:33 /12:118 /13:227 /14:428 /15:831 /16:9277 /17:3765 /18:6178 /19:13251 /20:14868 /21:13454 /22:17337 /23:18626 /24:113455 /25:727 /26:549 /27:437 /28:68 /29:42 /30:97 /31:26 /32:37 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6478 1078 1124 AT&T Worldnet Services 18566 975 993 Covad Communications 11492 970 984 Cable One 9583 913 1073 Sify Limited 2386 836 1112 AT&T Data Communications Serv 7018 813 1498 AT&T WorldNet Services 6197 794 1022 BellSouth Network Solutions, 23577 762 776 Korea Telecom (ATM-MPLS) 7011 695 795 Citizens Utilities 9498 628 957 BHARTI BT INTERNET LTD. 4766 581 773 Korea Telecom (KIX) 19916 563 568 OLM LLC 4755 546 1141 Videsh Sanchar Nigam Ltd. Aut 4323 529 1330 Time Warner Telecom 15270 477 509 PaeTec.net -a division of Pae 855 466 567 Canadian Research Network 18101 460 529 Reliance Infocom Ltd Internet 4668 445 454 LG-EDS Systems Inc. 5668 440 570 CenturyTel Internet Holdings, 17488 434 612 Hathway IP Over Cable Interne Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:9 7:1 8:65 9:1 12:1799 13:1 15:16 16:3 17:3 18:5 20:36 24:903 25:1 32:52 38:283 40:57 41:93 44:2 47:7 52:4 55:1 56:3 57:25 58:321 59:350 60:220 61:913 62:1035 63:1914 64:3141 65:2318 66:3138 67:735 68:653 69:1744 70:466 71:98 72:1225 73:1 74:188 75:81 76:8 77:67 80:828 81:783 82:660 83:362 84:503 85:737 86:443 87:487 88:248 89:819 90:4 91:221 97:1 116:1 117:1 118:1 119:1 120:1 121:136 122:349 123:60 124:716 125:807 128:307 129:218 130:124 131:348 132:49 133:10 134:188 135:37 136:181 137:92 138:194 139:52 140:499 141:142 142:371 143:212 144:271 145:43 146:320 147:147 148:378 149:186 150:114 151:117 152:94 153:118 154:5 155:248 156:155 157:174 158:169 159:150 160:99 161:89 162:230 163:174 164:451 165:383 166:245 167:280 168:513 169:119 170:387 171:15 172:1 189:208 190:437 192:5739 193:3726 194:3013 195:2193 196:957 198:3737 199:3279 200:4626 201:989 202:7220 203:7378 204:3951 205:2074 206:2386 207:2846 208:2489 209:3590 210:2387 211:926 212:1291 213:1412 214:409 215:39 216:4021 217:1161 218:350 219:270 220:858 221:375 222:264 End of report Report Website: http://thyme.apnic.net