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 12 May, 2007 Report Website: http://thyme.apnic.net This report: http://thyme.apnic.net/ap-data/2007/05/12/0400 Analysis Summary ---------------- BGP routing table entries examined: 219961 Prefixes after maximum aggregation: 117145 Deaggregation factor: 1.88 Unique aggregates announced to Internet: 106816 Total ASes present in the Internet Routing Table: 25145 Prefixes per ASN: 8.75 Origin-only ASes present in the Internet Routing Table: 21900 Origin ASes announcing only one prefix: 10598 Transit ASes present in the Internet Routing Table: 3245 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 (15941) 12 Prefixes from unregistered ASNs in the Routing Table: 6 Unregistered ASNs in the Routing Table: 7 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: 1718002624 Equivalent to 102 /8s, 102 /16s and 163 /24s Percentage of available address space announced: 46.4 Percentage of allocated address space announced: 62.9 Percentage of available address space allocated: 73.7 Total number of prefixes smaller than registry allocations: 115143 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 50626 Total APNIC prefixes after maximum aggregation: 20239 APNIC Deaggregation factor: 2.50 Prefixes being announced from the APNIC address blocks: 47626 Unique aggregates announced from the APNIC address blocks: 21252 APNIC Region origin ASes present in the Internet Routing Table: 2938 APNIC Prefixes per ASN: 16.21 APNIC Region origin ASes announcing only one prefix: 789 APNIC Region transit ASes present in the Internet Routing Table: 437 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 292851136 Equivalent to 17 /8s, 116 /16s and 141 /24s Percentage of available APNIC address space announced: 72.5 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: 106230 Total ARIN prefixes after maximum aggregation: 62027 ARIN Deaggregation factor: 1.71 Prefixes being announced from the ARIN address blocks: 78316 Unique aggregates announced from the ARIN address blocks: 30543 ARIN Region origin ASes present in the Internet Routing Table: 11559 ARIN Prefixes per ASN: 6.78 ARIN Region origin ASes announcing only one prefix: 4431 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: 332297344 Equivalent to 19 /8s, 206 /16s and 116 /24s Percentage of available ARIN address space announced: 73.4 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: 45499 Total RIPE prefixes after maximum aggregation: 29737 RIPE Deaggregation factor: 1.53 Prefixes being announced from the RIPE address blocks: 42028 Unique aggregates announced from the RIPE address blocks: 28098 RIPE Region origin ASes present in the Internet Routing Table: 9594 RIPE Prefixes per ASN: 4.38 RIPE Region origin ASes announcing only one prefix: 5070 RIPE Region transit ASes present in the Internet Routing Table: 1548 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 305989504 Equivalent to 18 /8s, 61 /16s and 7 /24s Percentage of available RIPE address space announced: 76.0 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: 15036 Total LACNIC prefixes after maximum aggregation: 4117 LACNIC Deaggregation factor: 3.65 Prefixes being announced from the LACNIC address blocks: 13136 Unique aggregates announced from the LACNIC address blocks: 7191 LACNIC Region origin ASes present in the Internet Routing Table: 786 LACNIC Prefixes per ASN: 16.71 LACNIC Region origin ASes announcing only one prefix: 252 LACNIC Region transit ASes present in the Internet Routing Table: 140 Average LACNIC Region AS path length visible: 4.2 Max LACNIC Region AS path length visible: 25 Number of LACNIC addresses announced to Internet: 38730752 Equivalent to 2 /8s, 78 /16s and 252 /24s Percentage of available LACNIC address space announced: 57.7 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: 2560 Total AfriNIC prefixes after maximum aggregation: 1015 AfriNIC Deaggregation factor: 2.52 Prefixes being announced from the AfriNIC address blocks: 1927 Unique aggregates announced from the AfriNIC address blocks: 1188 AfriNIC Region origin ASes present in the Internet Routing Table: 189 AfriNIC Prefixes per ASN: 10.20 AfriNIC Region origin ASes announcing only one prefix: 56 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: 15 Number of AfriNIC addresses announced to Internet: 6036480 Equivalent to 0 /8s, 92 /16s and 28 /24s Percentage of available AfriNIC address space announced: 18.0 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 1283 9605 275 CHINANET-BACKBONE 4755 1213 383 72 Videsh Sanchar Nigam Ltd. Aut 9583 1108 79 382 Sify Limited 9498 976 469 72 BHARTI BT INTERNET LTD. 4766 783 4943 312 Korea Telecom (KIX) 23577 776 35 705 Korea Telecom (ATM-MPLS) 17488 676 44 35 Hathway IP Over Cable Interne 7545 628 142 80 TPG Internet Pty Ltd 1221 543 1954 422 Telstra Pty Ltd 18101 536 116 28 Reliance Infocom Ltd Internet 4668 508 68 10 LG-EDS Systems Inc. 17676 504 10935 65 Softbank BB Corp. 4812 460 807 76 China Telecom (Shanghai) 9443 452 115 74 Primus Telecommunications 7474 413 217 269 SingTel Optus Pty Ltd 4802 360 86 148 Wantree Development 17557 356 37 169 Pakistan Telecom 17974 350 129 12 PT TELEKOMUNIKASI INDONESIA 4837 344 4709 159 chinanet IDC center beijing n 4808 331 669 112 CNCGROUP IP network: China169 ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1498 6144 993 AT&T WorldNet Services 4323 1265 1027 360 Time Warner Telecom 2386 1125 580 752 AT&T Data Communications Serv 6478 1094 339 133 AT&T Worldnet Services 11492 1047 104 22 Cable One 6197 1033 688 503 BellSouth Network Solutions, 18566 1006 288 9 Covad Communications 174 967 6792 875 Cogent Communications 701 958 6660 730 UUNET Technologies, Inc. 20115 818 742 428 Charter Communications 1239 816 2716 577 Sprint 19262 774 2620 209 Verizon Global Networks 7011 752 217 463 Citizens Utilities 209 729 3847 583 Qwest 22773 714 1888 43 Cox Communications, Inc. 5668 601 160 17 CenturyTel Internet Holdings, 721 597 21755 271 DLA Systems Automation Center 852 589 1096 370 Telus Advanced Communications 7029 584 456 79 Alltel Information Services, 19916 568 49 51 OLM LLC RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 522 1941 415 UUNET - Commercial IP service 24863 344 47 30 LINKdotNET AS number 3301 309 1455 289 TeliaNet Sweden 3320 303 4993 251 Deutsche Telekom AG 6746 277 128 254 Dynamic Network Technologies, 680 257 2044 250 DFN-IP service G-WiN 8220 253 460 244 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 208 340 198 Song Networks 8551 206 196 30 Bezeq International 3352 203 1783 37 Ibernet, Internet Access Netw 30890 202 17 94 SC Kappa Invexim SRL 20858 196 34 4 EgyNet 9116 193 136 25 Goldenlines main autonomous s 1257 190 1180 168 SWIPnet Swedish IP Network 12479 184 578 6 Uni2 Autonomous System 3300 183 171 89 AUCS Communications Services 786 177 1795 177 The JANET IP Service LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1208 1870 213 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 362 22 8 NSS, S.A. 22047 318 238 12 VTR PUNTO NET S.A. 7303 280 143 29 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 190 23 12 NEWCOM AMERICAS 10620 185 53 23 TVCABLE BOGOTA 10481 181 72 8 Prima S.A. 23216 157 19 42 RAMtelecom Telecomunicaciones 14522 155 25 7 SatNet S.A. 21826 155 27 59 INTERCABLE 7910 154 11 29 ANDINET ON LINE 19429 151 93 41 E.T.B. 19169 143 9 26 Telconet AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 290 868 232 The Internet Solution 8452 229 188 7 TEDATA 6713 143 135 11 Itissalat Al-MAGHRIB 2018 137 309 112 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 76 174 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 43 13 24 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 12455 25 6 3 Jambonet Autonomous system 10798 24 2 15 Standard Bank of South Africa 33776 24 2 7 Starcomms Nigeria Limited Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4755 1213 1141 Videsh Sanchar Nigam Ltd. Aut 11492 1047 1025 Cable One 4134 1283 1008 CHINANET-BACKBONE 18566 1006 997 Covad Communications 8151 1208 995 UniNet S.A. de C.V. 6478 1094 961 AT&T Worldnet Services 4323 1265 905 Time Warner Telecom 9498 976 904 BHARTI BT INTERNET LTD. 9583 1108 726 Sify Limited 22773 714 671 Cox Communications, Inc. 17488 676 641 Hathway IP Over Cable Interne 5668 601 584 CenturyTel Internet Holdings, 19262 774 565 Verizon Global Networks 7545 628 548 TPG Internet Pty Ltd 6197 1033 530 BellSouth Network Solutions, 19916 568 517 OLM LLC 18101 536 508 Reliance Infocom Ltd Internet 7029 584 505 Alltel Information Services, 4668 508 498 LG-EDS Systems Inc. 15270 531 496 PaeTec.net -a division of Pae 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 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 /8:19 /9:9 /10:14 /11:34 /12:123 /13:238 /14:450 /15:866 /16:9378 /17:3849 /18:6400 /19:13475 /20:15351 /21:13875 /22:17960 /23:19236 /24:116532 /25:775 /26:829 /27:476 /28:59 /29:5 /30:0 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6478 1085 1094 AT&T Worldnet Services 11492 1033 1047 Cable One 18566 988 1006 Covad Communications 9583 946 1108 Sify Limited 2386 822 1125 AT&T Data Communications Serv 7018 808 1498 AT&T WorldNet Services 6197 794 1033 BellSouth Network Solutions, 23577 762 776 Korea Telecom (ATM-MPLS) 7011 660 752 Citizens Utilities 9498 642 976 BHARTI BT INTERNET LTD. 4755 608 1213 Videsh Sanchar Nigam Ltd. Aut 4766 590 783 Korea Telecom (KIX) 8151 584 1208 UniNet S.A. de C.V. 19916 563 568 OLM LLC 4323 524 1265 Time Warner Telecom 15270 498 531 PaeTec.net -a division of Pae 4668 497 508 LG-EDS Systems Inc. 17488 497 676 Hathway IP Over Cable Interne 5668 466 601 CenturyTel Internet Holdings, 855 464 566 Canadian Research Network Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:8 7:1 8:73 9:1 12:1798 13:1 15:19 16:3 17:3 18:8 20:37 24:944 25:1 32:53 38:311 40:60 41:122 44:2 47:5 52:4 55:2 56:3 57:26 58:393 59:341 60:273 61:939 62:970 63:1971 64:3071 65:2359 66:3272 67:801 68:634 69:1828 70:499 71:104 72:1327 73:1 74:437 75:259 76:51 77:151 80:845 81:802 82:600 83:373 84:435 85:767 86:359 87:471 88:270 89:862 90:6 91:293 97:6 116:59 121:181 122:526 123:94 124:796 125:930 128:281 129:219 130:124 131:364 132:52 133:11 134:193 135:39 136:183 137:78 138:138 139:66 140:477 141:170 142:371 143:234 144:291 145:43 146:324 147:117 148:386 149:144 150:115 151:159 152:92 153:120 154:4 155:253 156:152 157:187 158:160 159:157 160:105 161:90 162:234 163:176 164:452 165:406 166:228 167:281 168:495 169:120 170:379 171:16 172:1 189:427 190:604 192:5758 193:3809 194:3097 195:2203 196:924 198:3742 199:3295 200:4759 201:1005 202:7238 203:7485 204:3951 205:2072 206:2361 207:2881 208:2673 209:3582 210:2481 211:945 212:1311 213:1458 214:409 215:40 216:4010 217:1147 218:355 219:358 220:952 221:408 222:264 End of report