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 19 May, 2007 Report Website: http://thyme.apnic.net This report: http://thyme.apnic.net/ap-data/2007/05/19/0400 Analysis Summary ---------------- BGP routing table entries examined: 220732 Prefixes after maximum aggregation: 117049 Deaggregation factor: 1.89 Unique aggregates announced to Internet: 105996 Total ASes present in the Internet Routing Table: 25225 Prefixes per ASN: 8.75 Origin-only ASes present in the Internet Routing Table: 21975 Origin ASes announcing only one prefix: 10641 Transit ASes present in the Internet Routing Table: 3250 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: 25 Max AS path prepend of ASN (16327) 21 Prefixes from unregistered ASNs in the Routing Table: 5 Unregistered ASNs in the Routing Table: 6 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: 1719963072 Equivalent to 102 /8s, 132 /16s and 141 /24s Percentage of available address space announced: 46.4 Percentage of allocated address space announced: 61.5 Percentage of available address space allocated: 75.5 Total number of prefixes smaller than registry allocations: 115734 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 50831 Total APNIC prefixes after maximum aggregation: 19941 APNIC Deaggregation factor: 2.55 Prefixes being announced from the APNIC address blocks: 47840 Unique aggregates announced from the APNIC address blocks: 20175 APNIC Region origin ASes present in the Internet Routing Table: 2942 APNIC Prefixes per ASN: 16.26 APNIC Region origin ASes announcing only one prefix: 784 APNIC Region transit ASes present in the Internet Routing Table: 441 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 293387456 Equivalent to 17 /8s, 124 /16s and 188 /24s Percentage of available APNIC address space announced: 72.7 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: 106442 Total ARIN prefixes after maximum aggregation: 62110 ARIN Deaggregation factor: 1.71 Prefixes being announced from the ARIN address blocks: 78505 Unique aggregates announced from the ARIN address blocks: 30674 ARIN Region origin ASes present in the Internet Routing Table: 11581 ARIN Prefixes per ASN: 6.78 ARIN Region origin ASes announcing only one prefix: 4443 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: 333456768 Equivalent to 19 /8s, 224 /16s and 37 /24s Percentage of available ARIN address space announced: 73.6 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: 45700 Total RIPE prefixes after maximum aggregation: 29847 RIPE Deaggregation factor: 1.53 Prefixes being announced from the RIPE address blocks: 42217 Unique aggregates announced from the RIPE address blocks: 28140 RIPE Region origin ASes present in the Internet Routing Table: 9643 RIPE Prefixes per ASN: 4.38 RIPE Region origin ASes announcing only one prefix: 5100 RIPE Region transit ASes present in the Internet Routing Table: 1549 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 24 Number of RIPE addresses announced to Internet: 306226304 Equivalent to 18 /8s, 64 /16s and 164 /24s Percentage of available RIPE address space announced: 76.1 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 40960-44031 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: 15169 Total LACNIC prefixes after maximum aggregation: 4140 LACNIC Deaggregation factor: 3.66 Prefixes being announced from the LACNIC address blocks: 13253 Unique aggregates announced from the LACNIC address blocks: 7253 LACNIC Region origin ASes present in the Internet Routing Table: 792 LACNIC Prefixes per ASN: 16.73 LACNIC Region origin ASes announcing only one prefix: 259 LACNIC Region transit ASes present in the Internet Routing Table: 141 Average LACNIC Region AS path length visible: 4.2 Max LACNIC Region AS path length visible: 25 Number of LACNIC addresses announced to Internet: 38868736 Equivalent to 2 /8s, 81 /16s and 23 /24s Percentage of available LACNIC address space announced: 57.9 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: 2580 Total AfriNIC prefixes after maximum aggregation: 1001 AfriNIC Deaggregation factor: 2.58 Prefixes being announced from the AfriNIC address blocks: 1955 Unique aggregates announced from the AfriNIC address blocks: 1176 AfriNIC Region origin ASes present in the Internet Routing Table: 188 AfriNIC Prefixes per ASN: 10.40 AfriNIC Region origin ASes announcing only one prefix: 55 AfriNIC Region transit ASes present in the Internet Routing Table: 37 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 6057984 Equivalent to 0 /8s, 92 /16s and 112 /24s Percentage of available AfriNIC address space announced: 18.1 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 1281 9697 273 CHINANET-BACKBONE 4755 1215 383 72 Videsh Sanchar Nigam Ltd. Aut 9583 1106 109 17 Sify Limited 9498 982 469 72 BHARTI BT INTERNET LTD. 4766 783 4943 312 Korea Telecom (KIX) 23577 778 35 707 Korea Telecom (ATM-MPLS) 17488 676 44 35 Hathway IP Over Cable Interne 7545 624 142 78 TPG Internet Pty Ltd 1221 547 1954 422 Telstra Pty Ltd 18101 537 116 33 Reliance Infocom Ltd Internet 4668 507 68 10 LG-EDS Systems Inc. 17676 504 10935 65 Softbank BB Corp. 4812 459 807 76 China Telecom (Shanghai) 9443 454 115 74 Primus Telecommunications 7474 414 218 270 SingTel Optus Pty Ltd 9829 362 258 14 BSNL National Internet Backbo 4802 360 86 148 Wantree Development 17557 355 37 168 Pakistan Telecom 17974 350 129 12 PT TELEKOMUNIKASI INDONESIA 4837 343 4693 158 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1502 6163 990 AT&T WorldNet Services 4323 1266 1027 361 Time Warner Telecom 2386 1140 580 753 AT&T Data Communications Serv 6478 1097 341 122 AT&T Worldnet Services 11492 1054 104 23 Cable One 6197 1034 687 503 BellSouth Network Solutions, 18566 1006 288 9 Covad Communications 174 954 6792 864 Cogent Communications 701 946 6612 725 UUNET Technologies, Inc. 1239 817 2731 579 Sprint 20115 808 725 429 Charter Communications 7011 793 226 474 Citizens Utilities 19262 775 2645 208 Verizon Global Networks 209 726 3847 582 Qwest 22773 713 1888 43 Cox Communications, Inc. 5668 599 160 17 CenturyTel Internet Holdings, 7385 597 166 463 Linkport Communications 721 592 21739 269 DLA Systems Automation Center 852 589 1096 370 Telus Advanced Communications 7029 587 456 79 Alltel Information Services, RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 519 1939 412 UUNET - Commercial IP service 24863 346 47 32 LINKdotNET AS number 3301 308 1455 288 TeliaNet Sweden 3320 305 4993 252 Deutsche Telekom AG 6746 278 128 254 Dynamic Network Technologies, 680 257 2044 250 DFN-IP service G-WiN 8220 249 459 240 COLT Telecommunications 3215 238 2254 95 France Telecom Transpac 8708 235 287 228 Romania Data Systems S.A. 3269 216 2647 74 TELECOM ITALIA 3246 209 340 199 Song Networks 8551 206 196 30 Bezeq International 3352 201 1783 37 Ibernet, Internet Access Netw 30890 201 17 93 SC Kappa Invexim SRL 20858 197 34 4 EgyNet 9116 196 136 25 Goldenlines main autonomous s 1257 190 1180 168 SWIPnet Swedish IP Network 3300 184 171 90 AUCS Communications Services 12479 184 578 6 Uni2 Autonomous System 786 177 1795 177 The JANET IP Service LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1250 1870 211 UniNet S.A. de C.V. 11830 483 299 19 Instituto Costarricense de El 11172 365 116 63 Servicios Alestra S.A de C.V 16814 361 22 8 NSS, S.A. 22047 318 238 12 VTR PUNTO NET S.A. 7303 280 143 28 Telecom Argentina Stet-France 6471 259 74 31 ENTEL CHILE S.A. 14117 243 17 14 Telefonica del Sur S.A. 11556 229 128 3 Cable-Wireless Panama 6147 221 166 25 Telefonica Del Peru 6503 215 172 86 AVANTEL, S.A. 20299 194 23 12 NEWCOM AMERICAS 10620 186 53 24 TVCABLE BOGOTA 10481 181 72 8 Prima S.A. 14522 167 27 8 SatNet S.A. 23216 157 19 42 RAMtelecom Telecomunicaciones 21826 155 27 59 INTERCABLE 7910 154 11 29 ANDINET ON LINE 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 283 867 224 The Internet Solution 8452 229 188 7 TEDATA 6713 143 135 11 Itissalat Al-MAGHRIB 2018 136 301 111 Tertiary Education Network 15475 129 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 8524 30 2 6 AUCEGYPT Autonomous System 21280 28 4 4 Swift Global Kenya Ltd.Is an 33766 26 2 1 Nyala Communications Pty Ltd 33776 26 2 8 Starcomms Nigeria Limited 12455 25 6 3 Jambonet Autonomous system Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4755 1215 1143 Videsh Sanchar Nigam Ltd. Aut 9583 1106 1089 Sify Limited 8151 1250 1039 UniNet S.A. de C.V. 11492 1054 1031 Cable One 4134 1281 1008 CHINANET-BACKBONE 18566 1006 997 Covad Communications 6478 1097 975 AT&T Worldnet Services 9498 982 910 BHARTI BT INTERNET LTD. 4323 1266 905 Time Warner Telecom 22773 713 670 Cox Communications, Inc. 17488 676 641 Hathway IP Over Cable Interne 5668 599 582 CenturyTel Internet Holdings, 19262 775 567 Verizon Global Networks 7545 624 546 TPG Internet Pty Ltd 6197 1034 531 BellSouth Network Solutions, 19916 568 517 OLM LLC 7029 587 508 Alltel Information Services, 18101 537 504 Reliance Infocom Ltd Internet 15270 534 499 PaeTec.net -a division of Pae 4668 507 497 LG-EDS Systems Inc. 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 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 /12:122 /13:237 /14:451 /15:870 /16:9384 /17:3857 /18:6379 /19:13473 /20:15366 /21:13900 /22:18105 /23:19310 /24:117055 /25:775 /26:819 /27:477 /28:62 /29:5 /30:0 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6478 1088 1097 AT&T Worldnet Services 11492 1040 1054 Cable One 18566 988 1006 Covad Communications 9583 934 1106 Sify Limited 2386 837 1140 AT&T Data Communications Serv 7018 808 1502 AT&T WorldNet Services 6197 794 1034 BellSouth Network Solutions, 23577 764 778 Korea Telecom (ATM-MPLS) 7011 695 793 Citizens Utilities 9498 649 982 BHARTI BT INTERNET LTD. 8151 627 1250 UniNet S.A. de C.V. 4755 611 1215 Videsh Sanchar Nigam Ltd. Aut 4766 590 783 Korea Telecom (KIX) 19916 563 568 OLM LLC 4323 523 1266 Time Warner Telecom 15270 501 534 PaeTec.net -a division of Pae 17488 497 676 Hathway IP Over Cable Interne 4668 496 507 LG-EDS Systems Inc. 855 464 566 Canadian Research Network 5668 464 599 CenturyTel Internet Holdings, Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:8 7:1 8:73 9:1 12:1798 15:19 16:3 17:3 18:8 20:38 24:942 25:1 32:52 33:2 38:313 40:60 41:125 44:2 47:5 52:4 55:2 56:3 57:24 58:398 59:387 60:273 61:946 62:971 63:1968 64:3115 65:2366 66:3267 67:813 68:639 69:1829 70:510 71:105 72:1324 73:1 74:460 75:259 76:58 77:192 78:1 80:852 81:802 82:578 83:376 84:442 85:764 86:351 87:464 88:272 89:875 90:6 91:304 97:6 116:73 121:184 122:524 123:99 124:806 125:934 128:282 129:222 130:126 131:362 132:52 133:10 134:192 135:39 136:185 137:80 138:139 139:70 140:476 141:170 142:371 143:234 144:290 145:43 146:322 147:117 148:388 149:143 150:114 151:160 152:92 153:123 154:4 155:253 156:151 157:188 158:160 159:159 160:105 161:91 162:234 163:185 164:448 165:403 166:235 167:282 168:491 169:120 170:401 171:16 172:1 189:469 190:611 192:5760 193:3842 194:3120 195:2220 196:942 198:3739 199:3289 200:4771 201:1015 202:7277 203:7485 204:3952 205:2083 206:2359 207:2884 208:2686 209:3579 210:2481 211:968 212:1309 213:1471 214:406 215:40 216:4013 217:1150 218:356 219:363 220:948 221:393 222:264 End of report