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[routing-wg]Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Jun 1 20:03:33 CEST 2007
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 at lists.apnic.net For historical data, please see http://thyme.apnic.net. If you have any comments please contact Philip Smith <pfs at cisco.com>. Routing Table Report 04:00 +10GMT Sat 02 Jun, 2007 Report Website: http://thyme.apnic.net This report: http://thyme.apnic.net/ap-data/2007/06/02/0400 Analysis Summary ---------------- BGP routing table entries examined: 222527 Prefixes after maximum aggregation: 118143 Deaggregation factor: 1.88 Unique aggregates announced to Internet: 107718 Total ASes present in the Internet Routing Table: 25331 Prefixes per ASN: 8.78 Origin-only ASes present in the Internet Routing Table: 22061 Origin ASes announcing only one prefix: 10698 Transit ASes present in the Internet Routing Table: 3270 Transit-only ASes present in the Internet Routing Table: 79 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 22 Max AS path prepend of ASN (35389) 16 Prefixes from unregistered ASNs in the Routing Table: 4 Unregistered ASNs in the Routing Table: 6 Prefixes from 32-bit ASNs in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1727916640 Equivalent to 102 /8s, 253 /16s and 234 /24s Percentage of available address space announced: 46.6 Percentage of allocated address space announced: 61.8 Percentage of available address space allocated: 75.5 Total number of prefixes smaller than registry allocations: 116970 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 51280 Total APNIC prefixes after maximum aggregation: 20366 APNIC Deaggregation factor: 2.52 Prefixes being announced from the APNIC address blocks: 48238 Unique aggregates announced from the APNIC address blocks: 21361 APNIC Region origin ASes present in the Internet Routing Table: 2956 APNIC Prefixes per ASN: 16.32 APNIC Region origin ASes announcing only one prefix: 791 APNIC Region transit ASes present in the Internet Routing Table: 449 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 296333216 Equivalent to 17 /8s, 169 /16s and 175 /24s Percentage of available APNIC address space announced: 73.4 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: 106864 Total ARIN prefixes after maximum aggregation: 62339 ARIN Deaggregation factor: 1.71 Prefixes being announced from the ARIN address blocks: 78779 Unique aggregates announced from the ARIN address blocks: 30822 ARIN Region origin ASes present in the Internet Routing Table: 11600 ARIN Prefixes per ASN: 6.79 ARIN Region origin ASes announcing only one prefix: 4462 ARIN Region transit ASes present in the Internet Routing Table: 1055 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 334613120 Equivalent to 19 /8s, 241 /16s and 202 /24s Percentage of available ARIN address space announced: 73.9 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: 46341 Total RIPE prefixes after maximum aggregation: 30274 RIPE Deaggregation factor: 1.53 Prefixes being announced from the RIPE address blocks: 42871 Unique aggregates announced from the RIPE address blocks: 28438 RIPE Region origin ASes present in the Internet Routing Table: 9708 RIPE Prefixes per ASN: 4.42 RIPE Region origin ASes announcing only one prefix: 5135 RIPE Region transit ASes present in the Internet Routing Table: 1557 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 310116352 Equivalent to 18 /8s, 124 /16s and 0 /24s Percentage of available RIPE address space announced: 77.0 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: 15435 Total LACNIC prefixes after maximum aggregation: 4150 LACNIC Deaggregation factor: 3.72 Prefixes being announced from the LACNIC address blocks: 13551 Unique aggregates announced from the LACNIC address blocks: 7305 LACNIC Region origin ASes present in the Internet Routing Table: 798 LACNIC Prefixes per ASN: 16.98 LACNIC Region origin ASes announcing only one prefix: 256 LACNIC Region transit ASes present in the Internet Routing Table: 143 Average LACNIC Region AS path length visible: 4.2 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 39014144 Equivalent to 2 /8s, 83 /16s and 79 /24s Percentage of available LACNIC address space announced: 58.1 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: 2597 Total AfriNIC prefixes after maximum aggregation: 1002 AfriNIC Deaggregation factor: 2.59 Prefixes being announced from the AfriNIC address blocks: 1974 Unique aggregates announced from the AfriNIC address blocks: 1180 AfriNIC Region origin ASes present in the Internet Routing Table: 189 AfriNIC Prefixes per ASN: 10.44 AfriNIC Region origin ASes announcing only one prefix: 54 AfriNIC Region transit ASes present in the Internet Routing Table: 37 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 6123264 Equivalent to 0 /8s, 93 /16s and 111 /24s Percentage of available AfriNIC address space announced: 18.2 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 4134 1289 9975 279 CHINANET-BACKBONE 4755 1225 382 72 Videsh Sanchar Nigam Ltd. Aut 9583 1106 79 386 Sify Limited 9498 984 469 68 BHARTI BT INTERNET LTD. 4766 786 4943 312 Korea Telecom (KIX) 23577 779 35 706 Korea Telecom (ATM-MPLS) 17488 698 45 39 Hathway IP Over Cable Interne 7545 628 142 78 TPG Internet Pty Ltd 18101 554 117 35 Reliance Infocom Ltd Internet 1221 551 1954 425 Telstra Pty Ltd 4668 507 68 10 LG-EDS Systems Inc. 17676 504 10935 65 Softbank BB Corp. 9443 467 121 77 Primus Telecommunications 4812 463 837 77 China Telecom (Shanghai) 7474 410 218 269 SingTel Optus Pty Ltd 4802 409 86 148 Wantree Development 9829 362 258 15 BSNL National Internet Backbo 2907 360 1700 302 SINET Japan 17557 357 41 170 Pakistan Telecom 17974 343 129 12 PT TELEKOMUNIKASI INDONESIA ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1501 6144 992 AT&T WorldNet Services 4323 1274 1033 367 Time Warner Telecom 2386 1153 597 760 AT&T Data Communications Serv 6478 1078 354 179 AT&T Worldnet Services 11492 1073 104 24 Cable One 6197 1041 707 509 BellSouth Network Solutions, 18566 1010 288 9 Covad Communications 701 957 6614 733 UUNET Technologies, Inc. 174 955 6777 866 Cogent Communications 1239 807 2731 573 Sprint 20115 807 725 429 Charter Communications 7011 804 228 481 Citizens Utilities 19262 775 2694 207 Verizon Global Networks 209 740 3836 581 Qwest 22773 721 1892 44 Cox Communications, Inc. 7029 604 488 80 Alltel Information Services, 5668 600 160 17 CenturyTel Internet Holdings, 7385 598 166 465 Linkport Communications 852 589 1090 371 Telus Advanced Communications 721 568 21659 266 DLA Systems Automation Center RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 519 1939 410 UUNET - Commercial IP service 2119 509 918 381 Telenor Internet Access 24863 345 47 32 LINKdotNET AS number 3301 310 1455 289 TeliaNet Sweden 3320 303 4994 253 Deutsche Telekom AG 6746 279 128 255 Dynamic Network Technologies, 680 260 2044 251 DFN-IP service G-WiN 8220 251 460 242 COLT Telecommunications 3215 246 2280 94 France Telecom Transpac 8708 237 416 230 Romania Data Systems S.A. 5089 221 1658 53 NTL Group Limited 3269 216 2647 74 TELECOM ITALIA 3352 211 1863 34 Ibernet, Internet Access Netw 9121 210 1441 24 TTnet Autonomous System 8551 207 197 27 Bezeq International 3246 200 334 190 Song Networks 9116 198 136 25 Goldenlines main autonomous s 1257 196 1196 174 SWIPnet Swedish IP Network 12479 185 578 6 Uni2 Autonomous System 30890 183 15 90 SC Kappa Invexim SRL LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1325 1855 209 UniNet S.A. de C.V. 11830 483 299 19 Instituto Costarricense de El 11172 367 116 63 Servicios Alestra S.A de C.V 16814 361 22 8 NSS, S.A. 22047 317 238 12 VTR PUNTO NET S.A. 7303 288 143 29 Telecom Argentina Stet-France 6471 268 74 32 ENTEL CHILE S.A. 14117 244 17 14 Telefonica del Sur S.A. 11556 229 128 3 Cable-Wireless Panama 6147 224 168 25 Telefonica Del Peru 6503 213 188 84 AVANTEL, S.A. 20299 195 23 12 NEWCOM AMERICAS 10620 187 53 25 TVCABLE BOGOTA 10481 181 72 8 Prima S.A. 14522 167 27 8 SatNet S.A. 7910 157 11 31 ANDINET ON LINE 23216 157 19 42 RAMtelecom Telecomunicaciones 19429 155 95 44 E.T.B. 21826 155 27 59 INTERCABLE 7738 144 474 22 Telecomunicacoes da Bahia S.A AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 277 866 219 The Internet Solution 8452 229 188 7 TEDATA 6713 143 135 11 Itissalat Al-MAGHRIB 2018 136 301 111 Tertiary Education Network 15475 136 84 4 Nile Online 5536 123 8 15 Internet Egypt Network 33783 120 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 37 21 29 Johnnic e-Ventures 8524 32 2 8 AUCEGYPT Autonomous System 33776 31 2 6 Starcomms Nigeria Limited 21280 27 4 4 Swift Global Kenya Ltd.Is an 33766 26 2 1 Nyala Communications Pty Ltd 12455 25 6 3 Jambonet Autonomous system Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4755 1225 1153 Videsh Sanchar Nigam Ltd. Aut 8151 1325 1116 UniNet S.A. de C.V. 11492 1073 1049 Cable One 4134 1289 1010 CHINANET-BACKBONE 18566 1010 1001 Covad Communications 9498 984 916 BHARTI BT INTERNET LTD. 4323 1274 907 Time Warner Telecom 6478 1078 899 AT&T Worldnet Services 9583 1106 720 Sify Limited 22773 721 677 Cox Communications, Inc. 17488 698 659 Hathway IP Over Cable Interne 5668 600 583 CenturyTel Internet Holdings, 19262 775 568 Verizon Global Networks 7545 628 550 TPG Internet Pty Ltd 6197 1041 532 BellSouth Network Solutions, 7029 604 524 Alltel Information Services, 18101 554 519 Reliance Infocom Ltd Internet 19916 568 517 OLM LLC 15270 543 508 PaeTec.net -a division of Pae 855 568 497 Canadian Research Network 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 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 94.110.196.0/24 21161 Bechtle Autonomous System 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 /12:123 /13:238 /14:452 /15:873 /16:9430 /17:3979 /18:6386 /19:13513 /20:15516 /21:14079 /22:18333 /23:19506 /24:117823 /25:780 /26:839 /27:478 /28:68 /29:9 /30:13 /31:0 /32:12 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6478 1068 1078 AT&T Worldnet Services 11492 1064 1073 Cable One 18566 992 1010 Covad Communications 9583 944 1106 Sify Limited 2386 850 1153 AT&T Data Communications Serv 7018 809 1501 AT&T WorldNet Services 6197 795 1041 BellSouth Network Solutions, 23577 765 779 Korea Telecom (ATM-MPLS) 7011 705 804 Citizens Utilities 8151 704 1325 UniNet S.A. de C.V. 9498 654 984 BHARTI BT INTERNET LTD. 4755 623 1225 Videsh Sanchar Nigam Ltd. Aut 4766 593 786 Korea Telecom (KIX) 19916 563 568 OLM LLC 4323 522 1274 Time Warner Telecom 17488 519 698 Hathway IP Over Cable Interne 15270 510 543 PaeTec.net -a division of Pae 4668 497 507 LG-EDS Systems Inc. 18101 470 554 Reliance Infocom Ltd Internet 855 466 568 Canadian Research Network Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:9 7:1 8:74 9:1 12:1804 15:19 16:3 17:3 18:8 20:38 24:948 25:1 32:52 33:2 38:318 40:61 41:150 44:2 47:5 52:4 55:3 56:3 57:24 58:410 59:397 60:302 61:966 62:897 63:1974 64:3113 65:2359 66:3297 67:811 68:634 69:1873 70:521 71:107 72:1326 73:1 74:482 75:264 76:75 77:226 78:2 80:821 81:818 82:645 83:413 84:410 85:804 86:341 87:449 88:275 89:874 90:7 91:323 94:1 97:6 98:3 116:97 121:156 122:534 123:107 124:816 125:943 128:283 129:224 130:130 131:366 132:52 133:9 134:192 135:38 136:185 137:80 138:140 139:70 140:478 141:171 142:370 143:233 144:293 145:43 146:312 147:118 148:398 149:143 150:114 151:159 152:92 153:123 154:4 155:254 156:152 157:185 158:158 159:157 160:107 161:91 162:233 163:185 164:451 165:403 166:240 167:284 168:502 169:120 170:402 171:16 172:1 189:550 190:638 192:5771 193:3869 194:3143 195:2239 196:937 198:3749 199:3285 200:4837 201:1050 202:7326 203:7523 204:3972 205:2034 206:2362 207:2857 208:2705 209:3578 210:2470 211:967 212:1321 213:1469 214:408 215:40 216:4036 217:1158 218:352 219:381 220:958 221:401 222:263 End of report
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