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 25 Aug, 2007 Report Website: http://thyme.apnic.net This report: http://thyme.apnic.net/ap-data/2007/08/25/0400 Analysis Summary ---------------- BGP routing table entries examined: 229751 Prefixes after maximum aggregation: 119874 Deaggregation factor: 1.92 Unique aggregates announced to Internet: 110416 Total ASes present in the Internet Routing Table: 26036 Prefixes per ASN: 8.82 Origin-only ASes present in the Internet Routing Table: 22668 Origin ASes announcing only one prefix: 11045 Transit ASes present in the Internet Routing Table: 3368 Transit-only ASes present in the Internet Routing Table: 76 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 21 Max AS path prepend of ASN (35389) 16 Prefixes from unregistered ASNs in the Routing Table: 5 Unregistered ASNs in the Routing Table: 5 Prefixes from 32-bit ASNs in the Routing Table: 6 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 11 Number of addresses announced to Internet: 1755282784 Equivalent to 104 /8s, 159 /16s and 125 /24s Percentage of available address space announced: 47.4 Percentage of allocated address space announced: 62.0 Percentage of available address space allocated: 76.4 Total number of prefixes smaller than registry allocations: 121765 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 53875 Total APNIC prefixes after maximum aggregation: 20446 APNIC Deaggregation factor: 2.63 Prefixes being announced from the APNIC address blocks: 50793 Unique aggregates announced from the APNIC address blocks: 21320 APNIC Region origin ASes present in the Internet Routing Table: 3034 APNIC Prefixes per ASN: 16.74 APNIC Region origin ASes announcing only one prefix: 806 APNIC Region transit ASes present in the Internet Routing Table: 468 Average APNIC Region AS path length visible: 3.7 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 312948384 Equivalent to 18 /8s, 167 /16s and 54 /24s Percentage of available APNIC address space announced: 77.5 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, 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: 108606 Total ARIN prefixes after maximum aggregation: 62865 ARIN Deaggregation factor: 1.73 Prefixes being announced from the ARIN address blocks: 79932 Unique aggregates announced from the ARIN address blocks: 31815 ARIN Region origin ASes present in the Internet Routing Table: 11778 ARIN Prefixes per ASN: 6.79 ARIN Region origin ASes announcing only one prefix: 4530 ARIN Region transit ASes present in the Internet Routing Table: 1080 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 14 Number of ARIN addresses announced to Internet: 342669824 Equivalent to 20 /8s, 108 /16s and 186 /24s Percentage of available ARIN address space announced: 75.6 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: 48155 Total RIPE prefixes after maximum aggregation: 31109 RIPE Deaggregation factor: 1.55 Prefixes being announced from the RIPE address blocks: 44559 Unique aggregates announced from the RIPE address blocks: 29324 RIPE Region origin ASes present in the Internet Routing Table: 10092 RIPE Prefixes per ASN: 4.42 RIPE Region origin ASes announcing only one prefix: 5367 RIPE Region transit ASes present in the Internet Routing Table: 1605 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 325478784 Equivalent to 19 /8s, 102 /16s and 105 /24s Percentage of available RIPE address space announced: 74.6 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, 80/4, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 16376 Total LACNIC prefixes after maximum aggregation: 4412 LACNIC Deaggregation factor: 3.71 Prefixes being announced from the LACNIC address blocks: 14510 Unique aggregates announced from the LACNIC address blocks: 7783 LACNIC Region origin ASes present in the Internet Routing Table: 849 LACNIC Prefixes per ASN: 17.09 LACNIC Region origin ASes announcing only one prefix: 273 LACNIC Region transit ASes present in the Internet Routing Table: 146 Average LACNIC Region AS path length visible: 3.9 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 42072832 Equivalent to 2 /8s, 129 /16s and 251 /24s Percentage of available LACNIC address space announced: 62.7 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: 2728 Total AfriNIC prefixes after maximum aggregation: 1030 AfriNIC Deaggregation factor: 2.65 Prefixes being announced from the AfriNIC address blocks: 2272 Unique aggregates announced from the AfriNIC address blocks: 1342 AfriNIC Region origin ASes present in the Internet Routing Table: 206 AfriNIC Prefixes per ASN: 11.03 AfriNIC Region origin ASes announcing only one prefix: 69 AfriNIC Region transit ASes present in the Internet Routing Table: 32 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 7439360 Equivalent to 0 /8s, 113 /16s and 132 /24s Percentage of available AfriNIC address space announced: 22.2 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 4755 1337 383 73 Videsh Sanchar Nigam Ltd. Aut 4134 1336 11150 289 CHINANET-BACKBONE 9583 1133 108 17 Sify Limited 9498 995 532 66 BHARTI BT INTERNET LTD. 4766 800 5441 316 Korea Telecom (KIX) 23577 786 34 683 Korea Telecom (ATM-MPLS) 17488 778 51 54 Hathway IP Over Cable Interne 7545 732 159 121 TPG Internet Pty Ltd 18101 592 119 48 Reliance Infocom Ltd Internet 4812 547 968 96 China Telecom (Shanghai) 1221 543 1951 424 Telstra Pty Ltd 4668 516 68 10 LG-EDS Systems Inc. 17676 503 10919 64 Softbank BB Corp. 4808 476 768 107 CNCGROUP IP network: China169 9443 464 122 77 Primus Telecommunications 4802 431 116 157 Wantree Development 7474 381 216 269 SingTel Optus Pty Ltd 4837 366 5104 167 chinanet IDC center beijing n 9829 363 258 14 BSNL National Internet Backbo 17974 363 130 13 PT TELEKOMUNIKASI INDONESIA ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1479 6076 994 AT&T WorldNet Services 4323 1324 992 372 Time Warner Telecom 2386 1215 617 749 AT&T Data Communications Serv 6478 1141 322 134 AT&T Worldnet Services 11492 1135 110 16 Cable One 6197 1029 718 509 BellSouth Network Solutions, 18566 1020 288 9 Covad Communications 174 971 6780 861 Cogent Communications 701 943 6578 723 UUNET Technologies, Inc. 7011 918 277 554 Citizens Utilities 20115 815 748 434 Charter Communications 1239 796 2720 564 Sprint 19262 767 2743 186 Verizon Global Networks 22773 759 2148 49 Cox Communications, Inc. 209 739 3820 584 Qwest 5668 630 171 24 CenturyTel Internet Holdings, 6517 589 165 37 Yipes Communications, Inc. 852 577 1096 362 Telus Advanced Communications 3356 571 10826 339 Level 3 Communications, LLC 855 570 254 73 Canadian Research Network RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 2119 505 918 378 Telenor Internet Access 702 491 1921 393 UUNET - Commercial IP service 24863 366 57 40 LINKdotNET AS number 9116 344 168 26 Goldenlines main autonomous s 3320 314 6035 261 Deutsche Telekom AG 3301 313 1456 293 TeliaNet Sweden 6746 288 130 264 Dynamic Network Technologies, 680 265 2061 256 DFN-IP service G-WiN 8708 262 420 241 Romania Data Systems S.A. 8220 260 445 243 COLT Telecommunications 3215 258 2424 98 France Telecom Transpac 8551 232 228 27 Bezeq International 3352 226 1868 38 Ibernet, Internet Access Netw 3269 221 2775 73 TELECOM ITALIA 9121 214 1441 24 TTnet Autonomous System 3292 195 1379 175 TDC Tele Danmark 12479 194 578 6 Uni2 Autonomous System 1257 192 1195 170 SWIPnet Swedish IP Network 3300 192 172 93 AUCS Communications Services 3246 186 252 177 Song Networks LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 925 1973 209 UniNet S.A. de C.V. 11830 483 299 9 Instituto Costarricense de El 16814 426 26 9 NSS, S.A. 11172 375 115 61 Servicios Alestra S.A de C.V 7303 334 175 42 Telecom Argentina Stet-France 14522 334 28 7 SatNet S.A. 6471 322 75 33 ENTEL CHILE S.A. 22047 318 246 13 VTR PUNTO NET S.A. 14117 281 19 15 Telefonica del Sur S.A. 10481 278 104 9 Prima S.A. 11556 237 128 4 Cable-Wireless Panama 6147 227 178 24 Telefonica Del Peru 10620 218 61 20 TVCABLE BOGOTA 6503 201 170 82 AVANTEL, S.A. 23216 195 16 43 RAMtelecom Telecomunicaciones 20299 179 25 31 NEWCOM AMERICAS 8163 177 11 6 METROTEL REDES S.A. 19169 164 12 15 Telconet 21826 164 29 58 INTERCABLE 7738 162 506 23 Telecomunicacoes da Bahia S.A AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 283 868 224 The Internet Solution 8452 233 188 7 TEDATA 6713 142 135 11 Itissalat Al-MAGHRIB 2018 140 301 115 Tertiary Education Network 33783 126 8 11 EEPAD TISP TELECOM & INTERNET 5536 124 8 10 Internet Egypt Network 33776 99 6 8 Starcomms Nigeria Limited 24835 88 48 7 RAYA Telecom - Egypt 15475 76 84 4 Nile Online 2905 74 174 71 The Internetworking Company o 2561 62 6 2 Egyptian Universities Network 15706 52 12 4 Sudatel Internet Exchange Aut 23889 52 24 15 MAURITIUS TELECOM 5713 46 294 36 Telkom SA Ltd 16637 46 21 29 Johnnic e-Ventures 33774 46 29 24 AS Number for Telecom Algeria 8524 31 2 10 AUCEGYPT Autonomous System 21280 30 4 4 Swift Global Kenya Ltd.Is an 10798 27 16 1 Standard Bank of South Africa 12455 27 6 3 Jambonet Autonomous system Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4755 1337 1264 Videsh Sanchar Nigam Ltd. Aut 11492 1135 1119 Cable One 9583 1133 1116 Sify Limited 4134 1336 1047 CHINANET-BACKBONE 18566 1020 1011 Covad Communications 6478 1141 1007 AT&T Worldnet Services 4323 1324 952 Time Warner Telecom 9498 995 929 BHARTI BT INTERNET LTD. 17488 778 724 Hathway IP Over Cable Interne 8151 925 716 UniNet S.A. de C.V. 22773 759 710 Cox Communications, Inc. 7545 732 611 TPG Internet Pty Ltd 5668 630 606 CenturyTel Internet Holdings, 19262 767 581 Verizon Global Networks 6517 589 552 Yipes Communications, Inc. 18101 592 544 Reliance Infocom Ltd Internet 15270 568 530 PaeTec.net -a division of Pae 6197 1029 520 BellSouth Network Solutions, 19916 568 517 OLM LLC 4668 516 506 LG-EDS Systems Inc. List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 64539 PRIVATE 170.213.128.0/24 7132 SBC Internet Service 64539 PRIVATE 170.213.129.0/24 7132 SBC Internet Service 64539 PRIVATE 170.213.132.0/24 7132 SBC Internet Service 64501 RESERVED 195.189.160.0/24 35041 Crystone Autonomous 24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE 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 /8:18 /9:9 /10:15 /11:37 /12:134 /13:260 /14:471 /15:920 /16:9611 /17:4076 /18:6589 /19:13938 /20:16134 /21:14919 /22:19185 /23:20139 /24:120884 /25:781 /26:1032 /27:504 /28:82 /29:5 /30:0 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6478 1140 1141 AT&T Worldnet Services 11492 1128 1135 Cable One 18566 1002 1020 Covad Communications 9583 966 1133 Sify Limited 2386 908 1215 AT&T Data Communications Serv 7018 817 1479 AT&T WorldNet Services 7011 814 918 Citizens Utilities 6197 782 1029 BellSouth Network Solutions, 23577 777 786 Korea Telecom (ATM-MPLS) 4755 720 1337 Videsh Sanchar Nigam Ltd. Aut 9498 668 995 BHARTI BT INTERNET LTD. 17488 601 778 Hathway IP Over Cable Interne 4766 598 800 Korea Telecom (KIX) 19916 563 568 OLM LLC 4323 557 1324 Time Warner Telecom 6517 555 589 Yipes Communications, Inc. 15270 532 568 PaeTec.net -a division of Pae 4668 506 516 LG-EDS Systems Inc. 18101 499 592 Reliance Infocom Ltd Internet 5668 495 630 CenturyTel Internet Holdings, Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:8 7:1 8:88 12:1814 13:1 15:19 16:3 17:3 18:13 20:37 24:964 25:1 32:56 33:3 38:347 40:60 41:315 44:2 47:4 52:4 55:3 56:3 57:25 58:470 59:386 60:364 61:1006 62:935 63:2001 64:3189 65:2364 66:3402 67:778 68:651 69:1963 70:445 71:104 72:1381 73:2 74:634 75:261 76:126 77:295 78:46 80:832 81:832 82:655 83:378 84:598 85:855 86:337 87:484 88:281 89:954 90:25 91:503 97:5 116:296 117:142 121:268 122:592 123:151 124:671 125:991 128:275 129:214 130:140 131:363 132:55 133:9 134:197 135:34 136:189 137:81 138:156 139:72 140:494 141:173 142:379 143:255 144:298 145:46 146:327 147:124 148:410 149:143 150:110 151:159 152:88 153:122 154:3 155:263 156:161 157:213 158:158 159:171 160:113 161:96 162:175 163:180 164:480 165:394 166:275 167:297 168:511 169:122 170:391 171:22 172:2 189:67 190:989 192:5740 193:3969 194:3185 195:2264 196:987 198:3811 199:3277 200:5138 201:1180 202:7408 203:7699 204:3928 205:1977 206:2414 207:2803 208:2786 209:3487 210:2461 211:1086 212:1329 213:1466 214:417 215:41 216:3978 217:1184 218:363 219:381 220:1026 221:412 222:264 End of report