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 07 Jul, 2007 Report Website: http://thyme.apnic.net This report: http://thyme.apnic.net/ap-data/2007/07/07/0400 Analysis Summary ---------------- BGP routing table entries examined: 224940 Prefixes after maximum aggregation: 118452 Deaggregation factor: 1.90 Unique aggregates announced to Internet: 109238 Total ASes present in the Internet Routing Table: 25608 Prefixes per ASN: 8.78 Origin-only ASes present in the Internet Routing Table: 22305 Origin ASes announcing only one prefix: 10844 Transit ASes present in the Internet Routing Table: 3303 Transit-only ASes present in the Internet Routing Table: 71 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: 8 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: 11 Number of addresses announced to Internet: 1732627296 Equivalent to 103 /8s, 69 /16s and 203 /24s Percentage of available address space announced: 46.7 Percentage of allocated address space announced: 61.9 Percentage of available address space allocated: 75.5 Total number of prefixes smaller than registry allocations: 118245 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 52740 Total APNIC prefixes after maximum aggregation: 20549 APNIC Deaggregation factor: 2.57 Prefixes being announced from the APNIC address blocks: 49622 Unique aggregates announced from the APNIC address blocks: 21775 APNIC Region origin ASes present in the Internet Routing Table: 2997 APNIC Prefixes per ASN: 16.56 APNIC Region origin ASes announcing only one prefix: 802 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: 21 Number of APNIC addresses announced to Internet: 301953440 Equivalent to 17 /8s, 255 /16s and 113 /24s Percentage of available APNIC address space announced: 74.8 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: 107095 Total ARIN prefixes after maximum aggregation: 62227 ARIN Deaggregation factor: 1.72 Prefixes being announced from the ARIN address blocks: 78778 Unique aggregates announced from the ARIN address blocks: 31062 ARIN Region origin ASes present in the Internet Routing Table: 11665 ARIN Prefixes per ASN: 6.75 ARIN Region origin ASes announcing only one prefix: 4495 ARIN Region transit ASes present in the Internet Routing Table: 1062 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 338547520 Equivalent to 20 /8s, 45 /16s and 211 /24s Percentage of available ARIN address space announced: 74.7 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: 47138 Total RIPE prefixes after maximum aggregation: 30397 RIPE Deaggregation factor: 1.55 Prefixes being announced from the RIPE address blocks: 43530 Unique aggregates announced from the RIPE address blocks: 28835 RIPE Region origin ASes present in the Internet Routing Table: 9860 RIPE Prefixes per ASN: 4.41 RIPE Region origin ASes announcing only one prefix: 5223 RIPE Region transit ASes present in the Internet Routing Table: 1570 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 321193280 Equivalent to 19 /8s, 37 /16s and 5 /24s Percentage of available RIPE address space announced: 79.8 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: 15414 Total LACNIC prefixes after maximum aggregation: 4257 LACNIC Deaggregation factor: 3.62 Prefixes being announced from the LACNIC address blocks: 13442 Unique aggregates announced from the LACNIC address blocks: 7607 LACNIC Region origin ASes present in the Internet Routing Table: 821 LACNIC Prefixes per ASN: 16.37 LACNIC Region origin ASes announcing only one prefix: 266 LACNIC Region transit ASes present in the Internet Routing Table: 144 Average LACNIC Region AS path length visible: 4.2 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 40256000 Equivalent to 2 /8s, 102 /16s and 66 /24s Percentage of available LACNIC address space announced: 60.0 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: 2546 Total AfriNIC prefixes after maximum aggregation: 1012 AfriNIC Deaggregation factor: 2.52 Prefixes being announced from the AfriNIC address blocks: 2033 Unique aggregates announced from the AfriNIC address blocks: 1243 AfriNIC Region origin ASes present in the Internet Routing Table: 193 AfriNIC Prefixes per ASN: 10.53 AfriNIC Region origin ASes announcing only one prefix: 58 AfriNIC Region transit ASes present in the Internet Routing Table: 36 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 6277888 Equivalent to 0 /8s, 95 /16s and 203 /24s Percentage of available AfriNIC address space announced: 18.7 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 1349 10237 282 CHINANET-BACKBONE 4755 1265 382 71 Videsh Sanchar Nigam Ltd. Aut 9583 1112 79 396 Sify Limited 9498 993 469 66 BHARTI BT INTERNET LTD. 23577 800 34 693 Korea Telecom (ATM-MPLS) 4766 781 4927 314 Korea Telecom (KIX) 17488 712 46 52 Hathway IP Over Cable Interne 7545 688 151 115 TPG Internet Pty Ltd 18101 563 117 36 Reliance Infocom Ltd Internet 1221 545 1950 425 Telstra Pty Ltd 4812 527 903 92 China Telecom (Shanghai) 4668 510 68 10 LG-EDS Systems Inc. 17676 504 10935 65 Softbank BB Corp. 9443 470 122 77 Primus Telecommunications 4802 411 105 151 Wantree Development 7474 409 218 269 SingTel Optus Pty Ltd 17974 370 130 13 PT TELEKOMUNIKASI INDONESIA 2907 362 1701 302 SINET Japan 9829 362 258 14 BSNL National Internet Backbo 17557 351 41 171 Pakistan Telecom ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1451 6057 985 AT&T WorldNet Services 4323 1321 1038 369 Time Warner Telecom 2386 1212 616 754 AT&T Data Communications Serv 6478 1128 368 147 AT&T Worldnet Services 11492 1095 107 24 Cable One 6197 1027 717 509 BellSouth Network Solutions, 18566 1012 288 9 Covad Communications 174 965 6778 864 Cogent Communications 701 946 6597 721 UUNET Technologies, Inc. 7011 851 252 537 Citizens Utilities 1239 812 2734 580 Sprint 20115 798 728 424 Charter Communications 19262 777 2724 200 Verizon Global Networks 209 748 3859 581 Qwest 22773 733 1892 46 Cox Communications, Inc. 5668 616 169 21 CenturyTel Internet Holdings, 7029 614 488 79 Alltel Information Services, 855 575 254 73 Canadian Research Network 852 572 1089 362 Telus Advanced Communications 6198 568 613 260 BellSouth Network Solutions, RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 2119 514 1075 136 Telenor Internet Access 702 503 1930 402 UUNET - Commercial IP service 24863 356 56 37 LINKdotNET AS number 3301 310 1455 290 TeliaNet Sweden 3320 310 6034 257 Deutsche Telekom AG 6746 280 129 256 Dynamic Network Technologies, 5089 268 1658 53 NTL Group Limited 680 263 2044 255 DFN-IP service G-WiN 9116 260 136 25 Goldenlines main autonomous s 3215 255 2376 96 France Telecom Transpac 8708 250 420 239 Romania Data Systems S.A. 8220 248 444 240 COLT Telecommunications 8551 223 213 28 Bezeq International 3269 222 2775 74 TELECOM ITALIA 3352 219 1864 41 Ibernet, Internet Access Netw 9121 210 1441 24 TTnet Autonomous System 1257 195 1196 173 SWIPnet Swedish IP Network 3246 194 328 184 Song Networks 12479 190 578 6 Uni2 Autonomous System 3300 185 172 91 AUCS Communications Services LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 856 1917 208 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 313 238 12 VTR PUNTO NET S.A. 7303 300 145 32 Telecom Argentina Stet-France 6471 295 74 33 ENTEL CHILE S.A. 14117 279 19 15 Telefonica del Sur S.A. 11556 231 128 4 Cable-Wireless Panama 6147 225 172 27 Telefonica Del Peru 6503 208 172 85 AVANTEL, S.A. 10620 207 59 14 TVCABLE BOGOTA 23216 195 16 43 RAMtelecom Telecomunicaciones 10481 181 72 8 Prima S.A. 14522 176 28 7 SatNet S.A. 8163 173 11 7 METROTEL REDES S.A. 7738 156 506 23 Telecomunicacoes da Bahia S.A 21826 156 27 59 INTERCABLE 7910 155 11 30 ANDINET ON LINE 19169 153 10 31 Telconet AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 278 867 220 The Internet Solution 8452 211 188 7 TEDATA 6713 142 135 11 Itissalat Al-MAGHRIB 2018 136 301 111 Tertiary Education Network 33783 124 8 12 EEPAD TISP TELECOM & INTERNET 5536 123 8 15 Internet Egypt Network 24835 86 48 6 RAYA Telecom - Egypt 2905 77 174 73 The Internetworking Company o 15475 76 84 4 Nile Online 2561 62 6 2 Egyptian Universities Network 15706 56 12 4 Sudatel Internet Exchange Aut 23889 49 16 14 MAURITIUS TELECOM 5713 45 294 35 Telkom SA Ltd 33774 43 29 24 AS Number for Telecom Algeria 16637 37 21 29 Johnnic e-Ventures 12455 35 6 3 Jambonet Autonomous system 33776 35 2 3 Starcomms Nigeria Limited 8524 32 2 8 AUCEGYPT Autonomous System 21280 28 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 1265 1194 Videsh Sanchar Nigam Ltd. Aut 11492 1095 1071 Cable One 4134 1349 1067 CHINANET-BACKBONE 18566 1012 1003 Covad Communications 6478 1128 981 AT&T Worldnet Services 4323 1321 952 Time Warner Telecom 9498 993 927 BHARTI BT INTERNET LTD. 9583 1112 716 Sify Limited 22773 733 687 Cox Communications, Inc. 17488 712 660 Hathway IP Over Cable Interne 8151 856 648 UniNet S.A. de C.V. 5668 616 595 CenturyTel Internet Holdings, 19262 777 577 Verizon Global Networks 7545 688 573 TPG Internet Pty Ltd 7029 614 535 Alltel Information Services, 18101 563 527 Reliance Infocom Ltd Internet 6517 561 525 Yipes Communications, Inc. 6197 1027 518 BellSouth Network Solutions, 19916 568 517 OLM LLC 15270 555 517 PaeTec.net -a division of Pae List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 65332 PRIVATE 63.166.106.192/27 1803 SPRINT 38347 UNALLOCATED 116.212.160.0/21 9389 BEIJING SHENZHOU GRE 38347 UNALLOCATED 116.212.168.0/21 9389 BEIJING SHENZHOU GRE 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 /8:18 /9:9 /10:15 /11:36 /12:127 /13:251 /14:464 /15:897 /16:9540 /17:4008 /18:6496 /19:13704 /20:15962 /21:14303 /22:18729 /23:19656 /24:118349 /25:791 /26:991 /27:480 /28:77 /29:10 /30:14 /31:0 /32:13 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6478 1118 1128 AT&T Worldnet Services 11492 1086 1095 Cable One 18566 994 1012 Covad Communications 9583 954 1112 Sify Limited 2386 904 1212 AT&T Data Communications Serv 23577 791 800 Korea Telecom (ATM-MPLS) 7018 789 1451 AT&T WorldNet Services 6197 780 1027 BellSouth Network Solutions, 7011 750 851 Citizens Utilities 9498 663 993 BHARTI BT INTERNET LTD. 4755 660 1265 Videsh Sanchar Nigam Ltd. Aut 4766 588 781 Korea Telecom (KIX) 19916 563 568 OLM LLC 4323 553 1321 Time Warner Telecom 17488 535 712 Hathway IP Over Cable Interne 6517 527 561 Yipes Communications, Inc. 15270 519 555 PaeTec.net -a division of Pae 4668 500 510 LG-EDS Systems Inc. 5668 480 616 CenturyTel Internet Holdings, 18101 478 563 Reliance Infocom Ltd Internet Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:8 7:1 8:84 9:1 12:1811 15:19 16:3 17:3 18:11 20:37 24:936 25:1 32:50 33:3 38:332 40:61 41:180 44:2 47:3 52:4 55:3 56:3 57:25 58:425 59:391 60:319 61:985 62:876 63:1965 64:3111 65:2347 66:3298 67:747 68:627 69:1895 70:434 71:106 72:1341 73:2 74:564 75:265 76:72 77:265 78:18 80:842 81:813 82:673 83:384 84:480 85:854 86:341 87:449 88:283 89:885 90:7 91:408 97:6 98:4 116:246 117:45 121:219 122:571 123:122 124:834 125:948 128:291 129:214 130:139 131:362 132:54 133:9 134:195 135:38 136:181 137:81 138:149 139:73 140:480 141:173 142:374 143:243 144:297 145:43 146:325 147:120 148:404 149:145 150:113 151:160 152:92 153:126 154:4 155:254 156:153 157:212 158:157 159:158 160:105 161:92 162:222 163:180 164:466 165:416 166:294 167:287 168:504 169:120 170:406 171:18 172:1 189:62 190:710 192:5749 193:3896 194:3166 195:2250 196:929 198:3804 199:3268 200:4912 201:1093 202:7360 203:7556 204:3955 205:2025 206:2406 207:2833 208:2705 209:3501 210:2451 211:967 212:1307 213:1467 214:399 215:42 216:4008 217:1149 218:359 219:384 220:980 221:414 222:264 End of report