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 28 Jul, 2007 Report Website: http://thyme.apnic.net This report: http://thyme.apnic.net/ap-data/2007/07/28/0400 Analysis Summary ---------------- BGP routing table entries examined: 226532 Prefixes after maximum aggregation: 119080 Deaggregation factor: 1.90 Unique aggregates announced to Internet: 110145 Total ASes present in the Internet Routing Table: 25797 Prefixes per ASN: 8.78 Origin-only ASes present in the Internet Routing Table: 22498 Origin ASes announcing only one prefix: 10979 Transit ASes present in the Internet Routing Table: 3299 Transit-only ASes present in the Internet Routing Table: 75 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 20 Max AS path prepend of ASN (35389) 16 Prefixes from unregistered ASNs in the Routing Table: 43 Unregistered ASNs in the Routing Table: 42 Prefixes from 32-bit ASNs in the Routing Table: 5 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 13 Number of addresses announced to Internet: 1741416032 Equivalent to 103 /8s, 203 /16s and 230 /24s Percentage of available address space announced: 47.0 Percentage of allocated address space announced: 62.3 Percentage of available address space allocated: 75.5 Total number of prefixes smaller than registry allocations: 119302 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 53152 Total APNIC prefixes after maximum aggregation: 20688 APNIC Deaggregation factor: 2.57 Prefixes being announced from the APNIC address blocks: 50093 Unique aggregates announced from the APNIC address blocks: 21971 APNIC Region origin ASes present in the Internet Routing Table: 3018 APNIC Prefixes per ASN: 16.60 APNIC Region origin ASes announcing only one prefix: 810 APNIC Region transit ASes present in the Internet Routing Table: 456 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 305578144 Equivalent to 18 /8s, 54 /16s and 192 /24s Percentage of available APNIC address space announced: 75.7 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: 107556 Total ARIN prefixes after maximum aggregation: 62458 ARIN Deaggregation factor: 1.72 Prefixes being announced from the ARIN address blocks: 79143 Unique aggregates announced from the ARIN address blocks: 31408 ARIN Region origin ASes present in the Internet Routing Table: 11717 ARIN Prefixes per ASN: 6.75 ARIN Region origin ASes announcing only one prefix: 4536 ARIN Region transit ASes present in the Internet Routing Table: 1068 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 341064192 Equivalent to 20 /8s, 84 /16s and 58 /24s Percentage of available ARIN address space announced: 75.3 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, 96/6, 199/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 47563 Total RIPE prefixes after maximum aggregation: 30571 RIPE Deaggregation factor: 1.56 Prefixes being announced from the RIPE address blocks: 43908 Unique aggregates announced from the RIPE address blocks: 28983 RIPE Region origin ASes present in the Internet Routing Table: 9954 RIPE Prefixes per ASN: 4.41 RIPE Region origin ASes announcing only one prefix: 5300 RIPE Region transit ASes present in the Internet Routing Table: 1562 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 322920832 Equivalent to 19 /8s, 63 /16s and 97 /24s Percentage of available RIPE address space announced: 80.2 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: 15674 Total LACNIC prefixes after maximum aggregation: 4318 LACNIC Deaggregation factor: 3.63 Prefixes being announced from the LACNIC address blocks: 13722 Unique aggregates announced from the LACNIC address blocks: 7765 LACNIC Region origin ASes present in the Internet Routing Table: 834 LACNIC Prefixes per ASN: 16.45 LACNIC Region origin ASes announcing only one prefix: 272 LACNIC Region transit ASes present in the Internet Routing Table: 140 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 40924928 Equivalent to 2 /8s, 112 /16s and 119 /24s Percentage of available LACNIC address space announced: 61.0 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: 2578 Total AfriNIC prefixes after maximum aggregation: 1035 AfriNIC Deaggregation factor: 2.49 Prefixes being announced from the AfriNIC address blocks: 2119 Unique aggregates announced from the AfriNIC address blocks: 1283 AfriNIC Region origin ASes present in the Internet Routing Table: 198 AfriNIC Prefixes per ASN: 10.70 AfriNIC Region origin ASes announcing only one prefix: 61 AfriNIC Region transit ASes present in the Internet Routing Table: 35 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 6368000 Equivalent to 0 /8s, 97 /16s and 43 /24s Percentage of available AfriNIC address space announced: 19.0 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 1363 10954 288 CHINANET-BACKBONE 4755 1302 382 71 Videsh Sanchar Nigam Ltd. Aut 9583 1122 80 400 Sify Limited 9498 1001 533 70 BHARTI BT INTERNET LTD. 4766 793 4930 316 Korea Telecom (KIX) 23577 788 34 685 Korea Telecom (ATM-MPLS) 17488 734 48 58 Hathway IP Over Cable Interne 7545 700 150 114 TPG Internet Pty Ltd 18101 578 117 41 Reliance Infocom Ltd Internet 1221 546 1951 424 Telstra Pty Ltd 4812 528 913 95 China Telecom (Shanghai) 4668 512 68 10 LG-EDS Systems Inc. 17676 504 10935 65 Softbank BB Corp. 9443 471 122 77 Primus Telecommunications 7474 411 218 265 SingTel Optus Pty Ltd 4802 410 105 150 Wantree Development 4808 376 670 127 CNCGROUP IP network: China169 9829 362 258 14 BSNL National Internet Backbo 17974 362 130 13 PT TELEKOMUNIKASI INDONESIA 4837 352 4944 164 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1466 6073 992 AT&T WorldNet Services 4323 1322 1021 374 Time Warner Telecom 2386 1215 633 754 AT&T Data Communications Serv 6478 1119 319 133 AT&T Worldnet Services 11492 1107 108 20 Cable One 6197 1025 717 508 BellSouth Network Solutions, 18566 1016 288 9 Covad Communications 174 966 6778 853 Cogent Communications 701 939 6562 716 UUNET Technologies, Inc. 7011 901 258 545 Citizens Utilities 1239 810 2741 582 Sprint 20115 803 737 431 Charter Communications 19262 765 2761 189 Verizon Global Networks 22773 747 2148 49 Cox Communications, Inc. 209 745 3878 600 Qwest 5668 619 169 21 CenturyTel Internet Holdings, 855 575 254 73 Canadian Research Network 852 572 1093 363 Telus Advanced Communications 6517 569 159 36 Yipes Communications, Inc. 7029 568 488 79 Alltel Information Services, RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 2119 515 1075 138 Telenor Internet Access 702 503 1922 404 UUNET - Commercial IP service 24863 361 56 41 LINKdotNET AS number 9116 321 168 25 Goldenlines main autonomous s 3301 312 1456 292 TeliaNet Sweden 3320 309 6034 256 Deutsche Telekom AG 6746 285 129 261 Dynamic Network Technologies, 5089 268 1658 53 NTL Group Limited 680 264 2044 255 DFN-IP service G-WiN 8220 259 445 242 COLT Telecommunications 3215 255 2376 96 France Telecom Transpac 8708 251 420 240 Romania Data Systems S.A. 3352 224 1864 41 Ibernet, Internet Access Netw 3269 221 2775 73 TELECOM ITALIA 8551 215 212 27 Bezeq International 9121 210 1441 24 TTnet Autonomous System 3292 194 1379 174 TDC Tele Danmark 1257 193 1195 171 SWIPnet Swedish IP Network 12479 190 578 6 Uni2 Autonomous System 3246 185 253 176 Song Networks LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 894 1958 209 UniNet S.A. de C.V. 11830 483 299 9 Instituto Costarricense de El 11172 373 116 63 Servicios Alestra S.A de C.V 16814 361 22 8 NSS, S.A. 22047 318 246 13 VTR PUNTO NET S.A. 6471 312 75 33 ENTEL CHILE S.A. 7303 312 149 39 Telecom Argentina Stet-France 14117 279 19 15 Telefonica del Sur S.A. 11556 231 128 4 Cable-Wireless Panama 6147 225 172 27 Telefonica Del Peru 10620 213 60 18 TVCABLE BOGOTA 6503 206 172 85 AVANTEL, S.A. 23216 196 16 43 RAMtelecom Telecomunicaciones 10481 181 72 8 Prima S.A. 14522 177 28 7 SatNet S.A. 8163 176 11 9 METROTEL REDES S.A. 7738 159 506 23 Telecomunicacoes da Bahia S.A 7910 157 11 29 ANDINET ON LINE 20299 157 23 13 NEWCOM AMERICAS 21826 157 27 60 INTERCABLE AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 282 867 223 The Internet Solution 8452 226 188 7 TEDATA 6713 142 135 11 Itissalat Al-MAGHRIB 2018 138 301 115 Tertiary Education Network 5536 124 8 10 Internet Egypt Network 33783 124 8 12 EEPAD TISP TELECOM & INTERNET 2905 75 174 72 The Internetworking Company o 15475 75 84 4 Nile Online 24835 66 48 6 RAYA Telecom - Egypt 2561 62 6 2 Egyptian Universities Network 15706 56 12 4 Sudatel Internet Exchange Aut 23889 52 24 15 MAURITIUS TELECOM 5713 46 294 36 Telkom SA Ltd 33774 45 29 24 AS Number for Telecom Algeria 16637 37 21 29 Johnnic e-Ventures 33776 35 2 6 Starcomms Nigeria Limited 8524 32 2 8 AUCEGYPT Autonomous System 12455 32 6 3 Jambonet Autonomous system 21280 29 4 4 Swift Global Kenya Ltd.Is an 10798 24 2 15 Standard Bank of South Africa Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4755 1302 1231 Videsh Sanchar Nigam Ltd. Aut 11492 1107 1087 Cable One 4134 1363 1075 CHINANET-BACKBONE 18566 1016 1007 Covad Communications 6478 1119 986 AT&T Worldnet Services 4323 1322 948 Time Warner Telecom 9498 1001 931 BHARTI BT INTERNET LTD. 9583 1122 722 Sify Limited 22773 747 698 Cox Communications, Inc. 8151 894 685 UniNet S.A. de C.V. 17488 734 676 Hathway IP Over Cable Interne 5668 619 598 CenturyTel Internet Holdings, 7545 700 586 TPG Internet Pty Ltd 19262 765 576 Verizon Global Networks 18101 578 537 Reliance Infocom Ltd Internet 6517 569 533 Yipes Communications, Inc. 15270 562 525 PaeTec.net -a division of Pae 6197 1025 517 BellSouth Network Solutions, 19916 568 517 OLM LLC 855 575 502 Canadian Research Network List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 65000 PRIVATE 41.204.180.0/24 36866 Jamii Telecommunicat 43346 UNALLOCATED 77.87.168.0/21 28906 CJSC "TransTelecom-N 43087 UNALLOCATED 77.95.88.0/21 12389 JSC Rostelecom 43185 UNALLOCATED 77.95.208.0/21 12779 ITGATE.Net 42864 UNALLOCATED 77.242.144.0/20 8928 Interoute Telecommun 43082 UNALLOCATED 77.246.160.0/20 174 Cogent Communication 43345 UNALLOCATED 78.40.40.0/24 702 UUNET - Commercial I 43328 UNALLOCATED 78.40.112.0/21 21448 Crosswired Mancheste 43391 UNALLOCATED 78.40.224.0/21 9121 TTnet Autonomous Sys 43203 UNALLOCATED 78.108.152.0/22 2819 KPNQwest Czechia AS 43314 UNALLOCATED 78.109.128.0/20 21127 JSC Zap-Sib TransTel 39389 UNALLOCATED 80.67.165.0/24 20766 The main Autonomous 43157 UNALLOCATED 83.143.224.0/21 174 Cogent Communication 24982 UNALLOCATED 85.112.68.0/24 39010 TerraNet sal 43378 UNALLOCATED 89.45.176.0/20 5606 KPNQwest Romania AS 43286 UNALLOCATED 91.149.120.0/22 3216 Teleross, Moscow, Ru 42976 UNALLOCATED 91.194.4.0/24 8551 Bezeq International 43103 UNALLOCATED 91.194.72.0/23 21219 Datacom Autonomous S 43290 UNALLOCATED 91.194.198.0/23 20751 max4eu.net InterNet- 43376 UNALLOCATED 91.194.234.0/23 2914 Verio, Inc. 43067 UNALLOCATED 91.196.80.0/22 31305 Kriviy Rih City netw 43103 UNALLOCATED 91.196.92.0/22 21219 Datacom Autonomous S 43319 UNALLOCATED 91.197.8.0/22 12452 VSTN AS 43359 UNALLOCATED 91.197.36.0/22 25441 Irish Broadband Inte 43164 UNALLOCATED 91.198.0.0/24 16016 VOLJATEL Autonomous 43194 UNALLOCATED 91.198.5.0/24 5486 Euronet Digital Comm 43187 UNALLOCATED 91.198.7.0/24 3340 DataNet Telecommunic 43212 UNALLOCATED 91.198.19.0/24 21294 SC Idilis S.A. 38347 UNALLOCATED 116.212.160.0/21 9389 BEIJING SHENZHOU GRE 38347 UNALLOCATED 116.212.168.0/21 9389 BEIJING SHENZHOU GRE 42512 UNALLOCATED 193.110.76.0/22 13121 Navigator Online ISP 43028 UNALLOCATED 193.200.201.0/24 21016 LVRTC Autonomous Sys 43034 UNALLOCATED 193.200.207.0/24 9119 Softnet 35396 UNALLOCATED 193.247.0.0/19 6830 UPC Distribution Ser 43122 UNALLOCATED 194.110.128.0/24 8220 COLT Telecommunicati 42752 UNALLOCATED 194.110.150.0/24 9121 TTnet Autonomous Sys 42795 UNALLOCATED 194.110.245.0/24 174 Cogent Communication 41431 UNALLOCATED 194.246.85.0/24 12843 TelemaxX Autonomous 39094 UNALLOCATED 195.66.64.0/24 12578 LATTELEKOM-APOLLO 65001 PRIVATE 195.250.120.0/23 8534 InfoSky - Informatik 24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE 64516 PRIVATE 209.43.37.0/24 7332 IQuest Internet 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 95.192.0.0/16 12654 RIPE NCC RIS Project 95.255.248.0/21 12654 RIPE NCC RIS Project 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 /8:18 /9:9 /10:15 /11:36 /12:130 /13:255 /14:468 /15:901 /16:9563 /17:4026 /18:6518 /19:13795 /20:16064 /21:14569 /22:18919 /23:19865 /24:119060 /25:749 /26:1004 /27:484 /28:71 /29:5 /30:0 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6478 1118 1119 AT&T Worldnet Services 11492 1098 1107 Cable One 18566 998 1016 Covad Communications 9583 964 1122 Sify Limited 2386 908 1215 AT&T Data Communications Serv 7018 800 1466 AT&T WorldNet Services 7011 799 901 Citizens Utilities 6197 779 1025 BellSouth Network Solutions, 23577 779 788 Korea Telecom (ATM-MPLS) 4755 697 1302 Videsh Sanchar Nigam Ltd. Aut 9498 671 1001 BHARTI BT INTERNET LTD. 4766 593 793 Korea Telecom (KIX) 19916 563 568 OLM LLC 17488 557 734 Hathway IP Over Cable Interne 4323 555 1322 Time Warner Telecom 6517 535 569 Yipes Communications, Inc. 15270 527 562 PaeTec.net -a division of Pae 4668 502 512 LG-EDS Systems Inc. 18101 490 578 Reliance Infocom Ltd Internet 5668 484 619 CenturyTel Internet Holdings, Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:8 7:1 8:85 9:1 12:1808 15:19 16:3 17:3 18:12 20:37 24:926 25:1 32:50 33:3 38:337 40:60 41:221 44:2 47:4 52:4 55:3 56:3 57:25 58:468 59:381 60:341 61:989 62:886 63:1983 64:3146 65:2370 66:3309 67:745 68:625 69:1921 70:441 71:100 72:1362 73:2 74:582 75:254 76:81 77:260 78:23 80:823 81:824 82:660 83:374 84:537 85:856 86:344 87:463 88:285 89:947 90:12 91:437 97:6 98:3 116:256 117:82 121:246 122:585 123:132 124:884 125:962 128:291 129:212 130:138 131:363 132:54 133:9 134:193 135:38 136:182 137:81 138:156 139:71 140:494 141:172 142:377 143:255 144:289 145:45 146:325 147:121 148:399 149:140 150:112 151:160 152:85 153:123 154:2 155:257 156:157 157:212 158:158 159:171 160:103 161:94 162:209 163:182 164:470 165:396 166:286 167:290 168:507 169:120 170:412 171:23 172:1 189:64 190:759 192:5743 193:3925 194:3171 195:2236 196:952 198:3797 199:3279 200:4973 201:1111 202:7387 203:7566 204:3943 205:2007 206:2415 207:2820 208:2735 209:3485 210:2418 211:964 212:1268 213:1483 214:417 215:40 216:3967 217:1160 218:358 219:387 220:1014 221:412 222:266 End of report