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 26 May, 2007 Report Website: http://thyme.apnic.net This report: http://thyme.apnic.net/ap-data/2007/05/26/0400 Analysis Summary ---------------- BGP routing table entries examined: 221520 Prefixes after maximum aggregation: 117658 Deaggregation factor: 1.88 Unique aggregates announced to Internet: 107449 Total ASes present in the Internet Routing Table: 25272 Prefixes per ASN: 8.77 Origin-only ASes present in the Internet Routing Table: 22014 Origin ASes announcing only one prefix: 10646 Transit ASes present in the Internet Routing Table: 3258 Transit-only ASes present in the Internet Routing Table: 78 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 24 Max AS path prepend of ASN (16327) 21 Prefixes from unregistered ASNs in the Routing Table: 8 Unregistered ASNs in the Routing Table: 9 Prefixes from 32-bit ASNs in the Routing Table: 8 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 11 Number of addresses announced to Internet: 1723331808 Equivalent to 102 /8s, 183 /16s and 244 /24s Percentage of available address space announced: 46.5 Percentage of allocated address space announced: 61.6 Percentage of available address space allocated: 75.5 Total number of prefixes smaller than registry allocations: 116211 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 51095 Total APNIC prefixes after maximum aggregation: 20319 APNIC Deaggregation factor: 2.51 Prefixes being announced from the APNIC address blocks: 48066 Unique aggregates announced from the APNIC address blocks: 21288 APNIC Region origin ASes present in the Internet Routing Table: 2950 APNIC Prefixes per ASN: 16.29 APNIC Region origin ASes announcing only one prefix: 793 APNIC Region transit ASes present in the Internet Routing Table: 444 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 295454624 Equivalent to 17 /8s, 156 /16s and 71 /24s Percentage of available APNIC address space announced: 73.2 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: 106768 Total ARIN prefixes after maximum aggregation: 62251 ARIN Deaggregation factor: 1.72 Prefixes being announced from the ARIN address blocks: 78724 Unique aggregates announced from the ARIN address blocks: 30794 ARIN Region origin ASes present in the Internet Routing Table: 11596 ARIN Prefixes per ASN: 6.79 ARIN Region origin ASes announcing only one prefix: 4449 ARIN Region transit ASes present in the Internet Routing Table: 1052 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 334135168 Equivalent to 19 /8s, 234 /16s and 127 /24s Percentage of available ARIN address space announced: 73.8 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: 45757 Total RIPE prefixes after maximum aggregation: 29916 RIPE Deaggregation factor: 1.53 Prefixes being announced from the RIPE address blocks: 42261 Unique aggregates announced from the RIPE address blocks: 28259 RIPE Region origin ASes present in the Internet Routing Table: 9663 RIPE Prefixes per ASN: 4.37 RIPE Region origin ASes announcing only one prefix: 5093 RIPE Region transit ASes present in the Internet Routing Table: 1550 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 24 Number of RIPE addresses announced to Internet: 306906752 Equivalent to 18 /8s, 75 /16s and 6 /24s Percentage of available RIPE address space announced: 76.2 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 40960-44031 RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 92/7, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 15305 Total LACNIC prefixes after maximum aggregation: 4158 LACNIC Deaggregation factor: 3.68 Prefixes being announced from the LACNIC address blocks: 13391 Unique aggregates announced from the LACNIC address blocks: 7308 LACNIC Region origin ASes present in the Internet Routing Table: 796 LACNIC Prefixes per ASN: 16.82 LACNIC Region origin ASes announcing only one prefix: 255 LACNIC Region transit ASes present in the Internet Routing Table: 142 Average LACNIC Region AS path length visible: 4.2 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 38960896 Equivalent to 2 /8s, 82 /16s and 127 /24s Percentage of available LACNIC address space announced: 58.1 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: 2582 Total AfriNIC prefixes after maximum aggregation: 1000 AfriNIC Deaggregation factor: 2.58 Prefixes being announced from the AfriNIC address blocks: 1966 Unique aggregates announced from the AfriNIC address blocks: 1175 AfriNIC Region origin ASes present in the Internet Routing Table: 188 AfriNIC Prefixes per ASN: 10.46 AfriNIC Region origin ASes announcing only one prefix: 56 AfriNIC Region transit ASes present in the Internet Routing Table: 38 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 6127104 Equivalent to 0 /8s, 93 /16s and 126 /24s Percentage of available AfriNIC address space announced: 18.3 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 1286 9974 277 CHINANET-BACKBONE 4755 1223 383 72 Videsh Sanchar Nigam Ltd. Aut 9583 1111 79 382 Sify Limited 9498 981 469 71 BHARTI BT INTERNET LTD. 4766 783 4943 312 Korea Telecom (KIX) 23577 777 35 707 Korea Telecom (ATM-MPLS) 17488 694 45 38 Hathway IP Over Cable Interne 7545 624 142 77 TPG Internet Pty Ltd 1221 549 1954 424 Telstra Pty Ltd 18101 544 116 36 Reliance Infocom Ltd Internet 4668 505 68 10 LG-EDS Systems Inc. 17676 504 10935 65 Softbank BB Corp. 4812 462 821 76 China Telecom (Shanghai) 9443 455 115 74 Primus Telecommunications 7474 410 218 269 SingTel Optus Pty Ltd 4802 409 86 148 Wantree Development 9829 362 258 14 BSNL National Internet Backbo 17557 356 37 169 Pakistan Telecom 2907 353 1700 301 SINET Japan 17974 349 129 12 PT TELEKOMUNIKASI INDONESIA ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1502 6160 992 AT&T WorldNet Services 4323 1270 1032 365 Time Warner Telecom 2386 1150 596 756 AT&T Data Communications Serv 6478 1100 343 121 AT&T Worldnet Services 11492 1073 104 24 Cable One 6197 1040 706 508 BellSouth Network Solutions, 18566 1010 288 9 Covad Communications 701 958 6598 734 UUNET Technologies, Inc. 174 954 6791 863 Cogent Communications 1239 819 2731 578 Sprint 20115 807 724 428 Charter Communications 7011 798 227 477 Citizens Utilities 19262 776 2662 209 Verizon Global Networks 209 743 3852 582 Qwest 22773 721 1892 44 Cox Communications, Inc. 5668 598 160 17 CenturyTel Internet Holdings, 7385 596 166 463 Linkport Communications 852 589 1090 371 Telus Advanced Communications 7029 587 488 80 Alltel Information Services, 721 573 21659 267 DLA Systems Automation Center RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 517 1939 410 UUNET - Commercial IP service 24863 346 47 32 LINKdotNET AS number 3301 308 1455 288 TeliaNet Sweden 3320 306 4994 253 Deutsche Telekom AG 6746 280 128 255 Dynamic Network Technologies, 680 260 2044 251 DFN-IP service G-WiN 8220 250 459 241 COLT Telecommunications 3215 246 2279 94 France Telecom Transpac 8708 236 288 229 Romania Data Systems S.A. 5089 219 1658 53 NTL Group Limited 3269 216 2647 74 TELECOM ITALIA 8551 206 196 30 Bezeq International 3246 202 337 192 Song Networks 3352 200 1799 36 Ibernet, Internet Access Netw 9116 196 136 25 Goldenlines main autonomous s 1257 190 1180 168 SWIPnet Swedish IP Network 12479 185 578 6 Uni2 Autonomous System 30890 183 15 90 SC Kappa Invexim SRL 3300 182 171 89 AUCS Communications Services 786 176 1795 176 The JANET IP Service LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1302 1870 211 UniNet S.A. de C.V. 11830 483 299 19 Instituto Costarricense de El 11172 366 116 63 Servicios Alestra S.A de C.V 16814 361 22 8 NSS, S.A. 22047 317 238 12 VTR PUNTO NET S.A. 7303 279 143 25 Telecom Argentina Stet-France 6471 265 74 31 ENTEL CHILE S.A. 14117 243 17 14 Telefonica del Sur S.A. 11556 229 128 3 Cable-Wireless Panama 6147 222 168 25 Telefonica Del Peru 6503 217 172 86 AVANTEL, S.A. 20299 195 23 12 NEWCOM AMERICAS 10620 186 53 24 TVCABLE BOGOTA 10481 181 72 8 Prima S.A. 14522 167 27 8 SatNet S.A. 7910 157 11 31 ANDINET ON LINE 23216 157 19 42 RAMtelecom Telecomunicaciones 21826 155 27 59 INTERCABLE 19429 154 94 43 E.T.B. 7738 143 474 22 Telecomunicacoes da Bahia S.A AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 284 867 224 The Internet Solution 8452 228 188 7 TEDATA 6713 143 135 11 Itissalat Al-MAGHRIB 2018 136 301 111 Tertiary Education Network 15475 134 84 4 Nile Online 5536 123 8 15 Internet Egypt Network 33783 119 8 9 EEPAD TISP TELECOM & INTERNET 24835 85 48 6 RAYA Telecom - Egypt 2905 77 174 73 The Internetworking Company o 2561 61 6 2 Egyptian Universities Network 15706 56 12 4 Sudatel Internet Exchange Aut 23889 49 16 13 MAURITIUS TELECOM 5713 44 294 34 Telkom SA Ltd 33774 42 13 23 AS Number for Telecom Algeria 16637 33 21 25 Johnnic e-Ventures 33776 31 2 6 Starcomms Nigeria Limited 8524 30 2 6 AUCEGYPT Autonomous System 21280 27 4 4 Swift Global Kenya Ltd.Is an 33766 26 2 1 Nyala Communications Pty Ltd 12455 25 6 3 Jambonet Autonomous system Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4755 1223 1151 Videsh Sanchar Nigam Ltd. Aut 8151 1302 1091 UniNet S.A. de C.V. 11492 1073 1049 Cable One 4134 1286 1009 CHINANET-BACKBONE 18566 1010 1001 Covad Communications 6478 1100 979 AT&T Worldnet Services 9498 981 910 BHARTI BT INTERNET LTD. 4323 1270 905 Time Warner Telecom 9583 1111 729 Sify Limited 22773 721 677 Cox Communications, Inc. 17488 694 656 Hathway IP Over Cable Interne 5668 598 581 CenturyTel Internet Holdings, 19262 776 567 Verizon Global Networks 7545 624 547 TPG Internet Pty Ltd 6197 1040 532 BellSouth Network Solutions, 19916 568 517 OLM LLC 18101 544 508 Reliance Infocom Ltd Internet 7029 587 507 Alltel Information Services, 15270 541 506 PaeTec.net -a division of Pae 855 566 495 Canadian Research Network List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 65019 PRIVATE 63.138.117.0/24 19034 Norcom Networks Corp 65332 PRIVATE 63.166.106.192/27 1803 SPRINT 65242 PRIVATE 64.222.142.0/24 13674 Bell Atlantic Global 64858 PRIVATE 84.36.180.0/24 20858 EgyNet 36628 UNALLOCATED 192.41.162.0/24 2914 Verio, Inc. 36628 UNALLOCATED 199.7.59.0/24 2914 Verio, Inc. 24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE 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 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 /8:19 /9:9 /10:14 /11:35 /12:123 /13:237 /14:452 /15:870 /16:9413 /17:3894 /18:6371 /19:13491 /20:15488 /21:13991 /22:18197 /23:19419 /24:117340 /25:764 /26:825 /27:474 /28:66 /29:8 /30:8 /31:0 /32:12 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6478 1091 1100 AT&T Worldnet Services 11492 1059 1073 Cable One 18566 992 1010 Covad Communications 9583 948 1111 Sify Limited 2386 845 1150 AT&T Data Communications Serv 7018 809 1502 AT&T WorldNet Services 6197 795 1040 BellSouth Network Solutions, 23577 763 777 Korea Telecom (ATM-MPLS) 7011 699 798 Citizens Utilities 8151 680 1302 UniNet S.A. de C.V. 9498 652 981 BHARTI BT INTERNET LTD. 4755 620 1223 Videsh Sanchar Nigam Ltd. Aut 4766 590 783 Korea Telecom (KIX) 19916 563 568 OLM LLC 4323 526 1270 Time Warner Telecom 17488 515 694 Hathway IP Over Cable Interne 15270 508 541 PaeTec.net -a division of Pae 4668 495 505 LG-EDS Systems Inc. 18101 466 544 Reliance Infocom Ltd Internet 855 464 566 Canadian Research Network Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:9 7:1 8:73 9:1 12:1808 15:19 16:3 17:3 18:8 20:38 24:946 25:1 32:52 33:2 38:311 40:61 41:134 44:2 47:5 52:4 55:3 56:3 57:25 58:397 59:391 60:296 61:947 62:895 63:1980 64:3126 65:2368 66:3279 67:814 68:637 69:1850 70:515 71:105 72:1322 73:1 74:481 75:262 76:60 77:199 78:2 80:816 81:802 82:581 83:387 84:408 85:766 86:342 87:465 88:274 89:863 90:7 91:315 97:6 116:73 121:185 122:531 123:104 124:817 125:935 128:282 129:223 130:129 131:365 132:52 133:9 134:192 135:38 136:186 137:80 138:140 139:70 140:477 141:171 142:368 143:234 144:293 145:43 146:322 147:118 148:396 149:143 150:115 151:159 152:92 153:124 154:4 155:254 156:152 157:186 158:158 159:158 160:106 161:91 162:234 163:185 164:447 165:404 166:240 167:283 168:498 169:120 170:402 171:16 172:1 189:524 190:624 192:5772 193:3851 194:3128 195:2221 196:939 198:3736 199:3292 200:4784 201:1031 202:7285 203:7525 204:3968 205:2061 206:2361 207:2875 208:2697 209:3590 210:2467 211:964 212:1319 213:1460 214:413 215:40 216:4031 217:1154 218:360 219:379 220:948 221:402 222:263 End of report