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 23 Sep, 2006 Analysis Summary ---------------- BGP routing table entries examined: 198182 Prefixes after maximum aggregation: 108186 Unique aggregates announced to Internet: 96256 Total ASes present in the Internet Routing Table: 23166 Origin-only ASes present in the Internet Routing Table: 20205 Origin ASes announcing only one prefix: 9692 Transit ASes present in the Internet Routing Table: 2961 Transit-only ASes present in the Internet Routing Table: 68 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 29 Max AS path prepend of ASN (36728) 27 Prefixes from unregistered ASNs in the Routing Table: 2 Unregistered ASNs in the Routing Table: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 9 Number of addresses announced to Internet: 1600876812 Equivalent to 95 /8s, 107 /16s and 113 /24s Percentage of available address space announced: 43.2 Percentage of allocated address space announced: 61.3 Percentage of available address space allocated: 70.5 Total number of prefixes smaller than registry allocations: 98999 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 43558 Total APNIC prefixes after maximum aggregation: 17528 Prefixes being announced from the APNIC address blocks: 41156 Unique aggregates announced from the APNIC address blocks: 18382 APNIC Region origin ASes present in the Internet Routing Table: 2701 APNIC Region origin ASes announcing only one prefix: 761 APNIC Region transit ASes present in the Internet Routing Table: 404 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 24 Number of APNIC addresses announced to Internet: 262496864 Equivalent to 15 /8s, 165 /16s and 98 /24s Percentage of available APNIC address space announced: 82.1 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, 121/8, 122/7, 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: 99951 Total ARIN prefixes after maximum aggregation: 59286 Prefixes being announced from the ARIN address blocks: 73496 Unique aggregates announced from the ARIN address blocks: 27740 ARIN Region origin ASes present in the Internet Routing Table: 10993 ARIN Region origin ASes announcing only one prefix: 4169 ARIN Region transit ASes present in the Internet Routing Table: 1009 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 29 Number of ARIN addresses announced to Internet: 301835520 Equivalent to 17 /8s, 253 /16s and 165 /24s Percentage of available ARIN address space announced: 78.2 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, 199/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 40144 Total RIPE prefixes after maximum aggregation: 26667 Prefixes being announced from the RIPE address blocks: 37075 Unique aggregates announced from the RIPE address blocks: 24951 RIPE Region origin ASes present in the Internet Routing Table: 8515 RIPE Region origin ASes announcing only one prefix: 4465 RIPE Region transit ASes present in the Internet Routing Table: 1369 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 24 Number of RIPE addresses announced to Internet: 266115492 Equivalent to 15 /8s, 220 /16s and 153 /24s Percentage of available RIPE address space announced: 72.1 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 40960-41983 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: 12223 Total LACNIC prefixes after maximum aggregation: 3791 Prefixes being announced from the LACNIC address blocks: 10229 Unique aggregates announced from the LACNIC address blocks: 6121 LACNIC Region origin ASes present in the Internet Routing Table: 729 LACNIC Region origin ASes announcing only one prefix: 249 LACNIC Region transit ASes present in the Internet Routing Table: 127 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 26 Number of LACNIC addresses announced to Internet: 32739840 Equivalent to 1 /8s, 243 /16s and 146 /24s Percentage of available LACNIC address space announced: 48.8 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: 2304 Total AfriNIC prefixes after maximum aggregation: 914 Prefixes being announced from the AfriNIC address blocks: 1612 Unique aggregates announced from the AfriNIC address blocks: 1055 AfriNIC Region origin ASes present in the Internet Routing Table: 160 AfriNIC Region origin ASes announcing only one prefix: 48 AfriNIC Region transit ASes present in the Internet Routing Table: 24 Average AfriNIC Region AS path length visible: 3.5 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 4240640 Equivalent to 0 /8s, 64 /16s and 181 /24s Percentage of available AfriNIC address space announced: 12.6 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 1239 8156 238 CHINANET-BACKBONE 4755 996 255 66 Videsh Sanchar Nigam Ltd. Aut 9583 956 109 19 Sify Limited 9498 853 212 72 BHARTI BT INTERNET LTD. 4766 740 4436 307 Korea Telecom (KIX) 1221 609 1780 467 Telstra Pty Ltd 7545 540 124 74 TPG Internet Pty Ltd 17488 533 33 18 Hathway IP Over Cable Interne 17676 499 10933 63 Softbank BB Corp. 9443 454 111 74 Primus Telecommunications 18101 454 85 18 Reliance Infocom Ltd Internet 9942 430 77 126 COMindico Australia 17849 424 31 127 Telecommunications Technology 4802 411 84 150 Wantree Development 4812 397 741 61 China Telecom (Shanghai) 17974 374 129 12 PT TELEKOMUNIKASI INDONESIA 17557 346 28 166 Pakistan Telecom 2907 337 1734 313 SINET Japan 10139 334 23 6 Meridian Telekoms 4837 323 3554 139 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1522 6277 989 AT&T WorldNet Services 6197 1030 640 479 BellSouth Network Solutions, 2386 1027 569 777 AT&T Data Communications Serv 4323 1023 782 291 Time Warner Telecom 721 980 21909 306 DLA Systems Automation Center 174 970 6825 900 Cogent Communications 18566 962 272 8 Covad Communications 701 949 6741 779 UUNET Technologies, Inc. 1239 842 2764 592 Sprint 19262 745 2328 186 Verizon Global Networks 11492 741 90 12 Cable One 20115 740 662 384 Charter Communications 22773 706 1744 46 Cox Communications, Inc. 209 705 3631 555 Qwest 7011 667 207 421 Citizens Utilities 852 587 1069 385 Telus Advanced Communications 19916 565 49 54 OLM LLC 855 552 249 74 Canadian Research Network 5668 533 145 18 CenturyTel Internet Holdings, 3602 511 125 104 Sprint Canada, Inc. RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 547 1929 427 UUNET - Commercial IP service 3301 315 1186 299 TeliaNet Sweden 3320 297 5013 242 Deutsche Telekom AG 8220 279 455 265 COLT Telecommunications 24863 272 41 32 LINKdotNET AS number 680 249 2041 245 DFN-IP service G-WiN 6746 238 90 217 Dynamic Network Technologies, 3246 228 469 218 Song Networks 9116 226 134 23 Goldenlines main autonomous s 1257 222 740 169 SWIPnet Swedish IP Network 8708 216 278 203 Romania Data Systems S.A. 3215 208 1832 96 France Telecom Transpac 3269 204 2262 74 TELECOM ITALIA 8551 202 182 27 Bezeq International 30890 201 18 79 SC Kappa Invexim SRL 6830 198 879 43 UPC Distribution Services 8866 184 37 15 Bulgarian Telecommunication C 5416 180 12 11 BATELCO-BH 3300 175 171 97 AUCS Communications Services 786 172 1779 172 The JANET IP Service LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 641 1811 225 UniNet S.A. de C.V. 11172 367 98 90 Servicios Alestra S.A de C.V 16814 329 20 8 NSS, S.A. 22047 303 206 11 VTR PUNTO NET S.A. 6147 275 142 23 Telefonica Del Peru 6471 256 74 30 ENTEL CHILE S.A. 14117 216 13 7 Telefonica del Sur S.A. 7303 188 88 19 Telecom Argentina Stet-France 6503 183 167 83 AVANTEL, S.A. 10481 181 72 8 Prima S.A. 23216 143 21 10 RAMtelecom Telecomunicaciones 21826 141 18 25 INTERCABLE 7910 137 9 16 ANDINET ON LINE 19169 136 9 21 Telconet 19429 135 83 37 E.T.B. 11556 132 96 4 Cable-Wireless Panama 18822 129 8 10 TELEFONICA MANQUEHUE 14522 116 18 9 SatNet S.A. 7738 113 410 20 Telecomunicacoes da Bahia S.A 14259 112 10 15 GTD Internet S.A. AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 288 803 232 The Internet Solution 8452 171 60 7 TEDATA 6713 144 135 11 Itissalat Al-MAGHRIB 15475 141 84 4 Nile Online 2018 135 297 111 Tertiary Education Network 5536 121 8 18 Internet Egypt Network 24835 116 48 6 RAYA Telecom - Egypt 33783 107 6 2 EEPAD TISP TELECOM & INTERNET 2905 80 159 71 The Internetworking Company o 15706 55 12 4 Sudatel Internet Exchange Aut 2561 54 6 2 Egyptian Universities Network 5713 36 293 32 Telkom SA Ltd 33774 32 7 20 AS Number for Telecom Algeria 23889 26 8 11 MAURITIUS TELECOM 16637 25 19 23 Johnnic e-Ventures 21280 24 4 4 Swift Global Kenya Ltd.Is an 10798 23 1 14 Standard Bank of South Africa 8524 22 1 5 AUCEGYPT Autonomous System 21491 22 17 2 UTL On-line is RF broadband I 33766 21 2 1 Nyala Communications Pty Ltd Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4134 1239 1001 CHINANET-BACKBONE 18566 962 954 Covad Communications 9583 956 937 Sify Limited 4755 996 930 Videsh Sanchar Nigam Ltd. Aut 9498 853 781 BHARTI BT INTERNET LTD. 4323 1023 732 Time Warner Telecom 11492 741 729 Cable One 721 980 674 DLA Systems Automation Center 22773 706 660 Cox Communications, Inc. 19262 745 559 Verizon Global Networks 6197 1030 551 BellSouth Network Solutions, 5668 533 515 CenturyTel Internet Holdings, 17488 533 515 Hathway IP Over Cable Interne 19916 565 511 OLM LLC 855 552 478 Canadian Research Network 7545 540 466 TPG Internet Pty Ltd 17676 499 436 Softbank BB Corp. 18101 454 436 Reliance Infocom Ltd Internet 4766 740 433 Korea Telecom (KIX) 15270 464 429 PaeTec.net -a division of Pae List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 64521 PRIVATE 130.117.124.0/24 174 Cogent Communication 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 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 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 192.84.205.0/24 719 LANLINK autonomous system 192.172.0.0/19 721 DLA Systems Automation Center 192.249.0.0/20 3450 University of Tennessee, Knox Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:18 /9:10 /10:13 /11:31 /12:106 /13:212 /14:384 /15:760 /16:9009 /17:3479 /18:5676 /19:12278 /20:13841 /21:12164 /22:15411 /23:16810 /24:106687 /25:429 /26:433 /27:189 /28:66 /29:42 /30:87 /31:0 /32:47 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 945 962 Covad Communications 6197 809 1030 BellSouth Network Solutions, 7018 793 1522 AT&T WorldNet Services 9583 783 956 Sify Limited 2386 744 1027 AT&T Data Communications Serv 11492 729 741 Cable One 7011 572 667 Citizens Utilities 19916 559 565 OLM LLC 4766 549 740 Korea Telecom (KIX) 9498 509 853 BHARTI BT INTERNET LTD. 15270 433 464 PaeTec.net -a division of Pae 855 432 552 Canadian Research Network 4755 429 996 Videsh Sanchar Nigam Ltd. Aut 5668 416 533 CenturyTel Internet Holdings, 17849 412 424 Telecommunications Technology 1239 409 842 Sprint 18101 388 454 Reliance Infocom Ltd Internet 22773 372 706 Cox Communications, Inc. 33588 370 391 Bresnan Communications, LLC. 17488 353 533 Hathway IP Over Cable Interne Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:8 8:54 12:1632 13:1 15:16 16:3 17:3 18:4 20:41 24:823 25:1 32:57 38:255 40:56 41:18 44:3 47:6 52:4 55:1 56:3 57:25 58:233 59:268 60:182 61:902 62:926 63:1894 64:3085 65:2220 66:3054 67:644 68:657 69:1638 70:393 71:89 72:930 74:79 75:7 80:824 81:682 82:597 83:396 84:400 85:652 86:418 87:460 88:220 89:466 121:34 122:14 123:1 124:377 125:641 128:149 129:230 130:120 131:308 132:32 133:9 134:167 135:51 136:178 137:97 138:224 139:51 140:523 141:135 142:362 143:192 144:243 145:42 146:319 147:136 148:360 149:174 150:114 151:121 152:76 153:122 154:5 155:231 156:158 157:196 158:155 159:174 160:98 161:85 162:218 163:168 164:231 165:242 166:236 167:250 168:487 169:129 170:366 171:11 190:207 192:5739 193:3489 194:2737 195:2069 196:883 198:3883 199:3321 200:4469 201:931 202:6879 203:7148 204:3933 205:2091 206:2433 207:2938 208:2300 209:3499 210:2180 211:833 212:1327 213:1437 214:377 215:40 216:4015 217:1153 218:337 219:257 220:795 221:383 222:232 End of report Report Website: http://thyme.apnic.net