This archive is retained to ensure existing URLs remain functional. It will not contain any emails sent to this mailing list after July 1, 2024. For all messages, including those sent before and after this date, please visit the new location of the archive at https://mailman.ripe.net/archives/list/[email protected]/
[routing-wg] Weekly Routing Table Report
- Previous message (by thread): [routing-wg] Weekly Routing Table Report
- Next message (by thread): [routing-wg] The Cidr Report
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
Routing Analysis Role Account
cscora at apnic.net
Fri Mar 25 19:38:39 CET 2011
This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG, CaribNOG and the RIPE Routing Working Group. Daily listings are sent to bgp-stats at lists.apnic.net For historical data, please see http://thyme.rand.apnic.net. If you have any comments please contact Philip Smith <pfs at cisco.com>. Routing Table Report 04:00 +10GMT Sat 26 Mar, 2011 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 351425 Prefixes after maximum aggregation: 159549 Deaggregation factor: 2.20 Unique aggregates announced to Internet: 173538 Total ASes present in the Internet Routing Table: 37074 Prefixes per ASN: 9.48 Origin-only ASes present in the Internet Routing Table: 31157 Origin ASes announcing only one prefix: 14986 Transit ASes present in the Internet Routing Table: 4992 Transit-only ASes present in the Internet Routing Table: 129 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 31 Max AS path prepend of ASN (36992) 29 Prefixes from unregistered ASNs in the Routing Table: 451 Unregistered ASNs in the Routing Table: 217 Number of 32-bit ASNs allocated by the RIRs: 1230 Number of 32-bit ASNs visible in the Routing Table: 925 Prefixes from 32-bit ASNs in the Routing Table: 2001 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 191 Number of addresses announced to Internet: 2390772288 Equivalent to 142 /8s, 128 /16s and 74 /24s Percentage of available address space announced: 64.5 Percentage of allocated address space announced: 64.5 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 89.6 Total number of prefixes smaller than registry allocations: 145378 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 87775 Total APNIC prefixes after maximum aggregation: 29913 APNIC Deaggregation factor: 2.93 Prefixes being announced from the APNIC address blocks: 84659 Unique aggregates announced from the APNIC address blocks: 36676 APNIC Region origin ASes present in the Internet Routing Table: 4370 APNIC Prefixes per ASN: 19.37 APNIC Region origin ASes announcing only one prefix: 1214 APNIC Region transit ASes present in the Internet Routing Table: 692 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 20 Number of APNIC region 32-bit ASNs visible in the Routing Table: 45 Number of APNIC addresses announced to Internet: 600588608 Equivalent to 35 /8s, 204 /16s and 65 /24s Percentage of available APNIC address space announced: 76.2 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079 55296-56319, 131072-132095 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 138605 Total ARIN prefixes after maximum aggregation: 70811 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 111045 Unique aggregates announced from the ARIN address blocks: 44885 ARIN Region origin ASes present in the Internet Routing Table: 14277 ARIN Prefixes per ASN: 7.78 ARIN Region origin ASes announcing only one prefix: 5432 ARIN Region transit ASes present in the Internet Routing Table: 1472 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 23 Number of ARIN region 32-bit ASNs visible in the Routing Table: 10 Number of ARIN addresses announced to Internet: 797226496 Equivalent to 47 /8s, 132 /16s and 182 /24s Percentage of available ARIN address space announced: 63.4 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, 46080-47103 53248-55295, 393216-394239 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8, 174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 82875 Total RIPE prefixes after maximum aggregation: 47359 RIPE Deaggregation factor: 1.75 Prefixes being announced from the RIPE address blocks: 76234 Unique aggregates announced from the RIPE address blocks: 50044 RIPE Region origin ASes present in the Internet Routing Table: 15444 RIPE Prefixes per ASN: 4.94 RIPE Region origin ASes announcing only one prefix: 7777 RIPE Region transit ASes present in the Internet Routing Table: 2412 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 30 Number of RIPE region 32-bit ASNs visible in the Routing Table: 684 Number of RIPE addresses announced to Internet: 465041152 Equivalent to 27 /8s, 183 /16s and 247 /24s Percentage of available RIPE address space announced: 74.9 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 40960-45055, 47104-52223, 56320-58367 196608-198655 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 32341 Total LACNIC prefixes after maximum aggregation: 7367 LACNIC Deaggregation factor: 4.39 Prefixes being announced from the LACNIC address blocks: 31251 Unique aggregates announced from the LACNIC address blocks: 16237 LACNIC Region origin ASes present in the Internet Routing Table: 1436 LACNIC Prefixes per ASN: 21.76 LACNIC Region origin ASes announcing only one prefix: 434 LACNIC Region transit ASes present in the Internet Routing Table: 265 Average LACNIC Region AS path length visible: 4.4 Max LACNIC Region AS path length visible: 19 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 181 Number of LACNIC addresses announced to Internet: 81456768 Equivalent to 4 /8s, 218 /16s and 238 /24s Percentage of available LACNIC address space announced: 53.9 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 plus ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 7620 Total AfriNIC prefixes after maximum aggregation: 1814 AfriNIC Deaggregation factor: 4.20 Prefixes being announced from the AfriNIC address blocks: 5993 Unique aggregates announced from the AfriNIC address blocks: 1854 AfriNIC Region origin ASes present in the Internet Routing Table: 437 AfriNIC Prefixes per ASN: 13.71 AfriNIC Region origin ASes announcing only one prefix: 129 AfriNIC Region transit ASes present in the Internet Routing Table: 95 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5 Number of AfriNIC addresses announced to Internet: 22659584 Equivalent to 1 /8s, 89 /16s and 194 /24s Percentage of available AfriNIC address space announced: 33.8 AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4766 2409 9509 896 Korea Telecom (KIX) 7545 1553 301 83 TPG Internet Pty Ltd 4755 1481 653 159 TATA Communications formerly 17974 1455 480 33 PT TELEKOMUNIKASI INDONESIA 24560 1130 321 203 Bharti Airtel Ltd., Telemedia 9583 1055 77 493 Sify Limited 4808 1026 2096 294 CNCGROUP IP network: China169 9829 1004 868 53 BSNL National Internet Backbo 18101 938 116 142 Reliance Infocom Ltd Internet 17488 935 162 98 Hathway IP Over Cable Interne Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 3673 3838 257 bellsouth.net, inc. 4323 2566 1093 401 Time Warner Telecom 1785 1786 681 131 PaeTec Communications, Inc. 18566 1606 331 195 Covad Communications 6478 1571 302 36 AT&T Worldnet Services 20115 1530 1540 650 Charter Communications 19262 1487 4935 303 Verizon Global Networks 7018 1357 6675 883 AT&T WorldNet Services 11492 1325 240 15 Cable One 22773 1285 2865 79 Cox Communications, Inc. Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6830 515 1780 318 UPC Distribution Services 3292 454 2013 391 TDC Tele Danmark 34984 454 95 205 BILISIM TELEKOM 8866 443 133 24 Bulgarian Telecommunication C 9198 422 267 15 Kazakhtelecom Data Network Ad 3320 412 7604 359 Deutsche Telekom AG 20940 411 98 317 Akamai Technologies European 8551 402 353 46 Bezeq International 12479 397 577 6 Uni2 Autonomous System 702 393 1800 307 UUNET - Commercial IP service Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 10620 1401 261 153 TVCABLE BOGOTA 28573 1248 970 83 NET Servicos de Comunicao S.A 8151 1236 2671 366 UniNet S.A. de C.V. 6503 1221 354 73 AVANTEL, S.A. 7303 923 465 148 Telecom Argentina Stet-France 14420 638 52 91 CORPORACION NACIONAL DE TELEC 22047 567 310 15 VTR PUNTO NET S.A. 3816 515 225 98 Empresa Nacional de Telecomun 13489 490 213 111 Orbitel S.A. E.S.P. 11172 487 83 80 Servicios Alestra S.A de C.V Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 8452 843 445 11 TEDATA 24863 774 147 39 LINKdotNET AS number 15475 421 90 8 Nile Online 36992 298 271 14 Etisalat MISR 3741 265 985 227 The Internet Solution 24835 232 78 10 RAYA Telecom - Egypt 33776 230 13 5 Starcomms Nigeria Limited 6713 211 199 11 Itissalat Al-MAGHRIB 29571 192 17 11 Ci Telecom Autonomous system 16637 148 441 86 MTN Network Solutions Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 3673 3838 257 bellsouth.net, inc. 4323 2566 1093 401 Time Warner Telecom 4766 2409 9509 896 Korea Telecom (KIX) 23456 2001 489 1093 32-bit ASN transition 1785 1786 681 131 PaeTec Communications, Inc. 18566 1606 331 195 Covad Communications 6478 1571 302 36 AT&T Worldnet Services 7545 1553 301 83 TPG Internet Pty Ltd 20115 1530 1540 650 Charter Communications 19262 1487 4935 303 Verizon Global Networks Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 2566 2165 Time Warner Telecom 1785 1786 1655 PaeTec Communications, Inc. 6478 1571 1535 AT&T Worldnet Services 4766 2409 1513 Korea Telecom (KIX) 7545 1553 1470 TPG Internet Pty Ltd 17974 1455 1422 PT TELEKOMUNIKASI INDONESIA 18566 1606 1411 Covad Communications 4755 1481 1322 TATA Communications formerly 11492 1325 1310 Cable One 10620 1401 1248 TVCABLE BOGOTA Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom 13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom 26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic 25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic 13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic Complete listing at http://thyme.rand.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 2.56.0.0/16 44559 E-Rent LLC 24.225.128.0/18 36377 Comcast Telecommunications, I 24.225.192.0/23 36377 Comcast Telecommunications, I 24.225.192.0/18 36377 Comcast Telecommunications, I 24.225.224.0/21 36377 Comcast Telecommunications, I 24.225.237.0/24 36377 Comcast Telecommunications, I 24.225.248.0/21 36377 Comcast Telecommunications, I 31.186.112.0/21 8681 Jersey Telecoms Island Networ 31.186.160.0/21 35467 DataCenter Fryslan AS 41.57.192.0/18 22750 BCSNET Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:19 /9:11 /10:26 /11:74 /12:218 /13:448 /14:766 /15:1370 /16:11586 /17:5699 /18:9423 /19:19078 /20:24728 /21:25237 /22:33660 /23:32188 /24:183717 /25:1131 /26:1289 /27:700 /28:40 /29:9 /30:2 /31:0 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2267 3673 bellsouth.net, inc. 18566 1585 1606 Covad Communications 6478 1525 1571 AT&T Worldnet Services 4323 1377 2566 Time Warner Telecom 10620 1292 1401 TVCABLE BOGOTA 11492 1273 1325 Cable One 23456 1085 2001 32-bit ASN transition 7011 1063 1164 Citizens Utilities 1785 1056 1786 PaeTec Communications, Inc. 6503 997 1221 AVANTEL, S.A. Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:288 2:54 4:14 5:1 8:346 12:2020 13:1 14:429 15:15 16:3 17:8 20:9 23:3 24:1571 27:699 31:14 32:60 33:3 34:2 37:1 38:749 39:1 40:101 41:2367 44:3 46:750 47:4 49:146 50:119 52:13 55:5 56:2 57:30 58:817 59:500 60:387 61:1167 62:1005 63:1919 64:3881 65:2354 66:4375 67:1799 68:1061 69:2912 70:701 71:359 72:1900 73:1 74:2327 75:284 76:337 77:842 78:696 79:455 80:1087 81:826 82:511 83:463 84:647 85:1027 86:553 87:760 88:343 89:1567 90:176 91:3657 92:504 93:1044 94:1228 95:776 96:452 97:251 98:809 99:35 101:49 106:1 107:4 108:47 109:925 110:517 111:703 112:325 113:378 114:511 115:720 116:972 117:672 118:758 119:1096 120:281 121:760 122:1607 123:1059 124:1323 125:1256 128:234 129:171 130:173 131:564 132:101 133:20 134:216 135:49 136:212 137:142 138:299 139:112 140:485 141:173 142:380 143:391 144:476 145:52 146:440 147:192 148:634 149:271 150:167 151:187 152:298 153:180 154:3 155:389 156:185 157:347 158:131 159:377 160:313 161:208 162:278 163:165 164:493 165:350 166:501 167:413 168:721 169:155 170:776 171:70 172:2 173:1256 174:529 175:350 177:66 178:756 180:791 181:4 182:411 183:239 184:230 185:1 186:1106 187:899 188:918 189:1027 190:4732 192:5768 193:4788 194:3487 195:2939 196:1212 197:15 198:3591 199:3885 200:5581 201:1585 202:8395 203:8458 204:4114 205:2313 206:2647 207:3025 208:3907 209:3496 210:2725 211:1363 212:1953 213:1712 214:761 215:66 216:4881 217:1621 218:556 219:382 220:1192 221:478 222:317 223:103 End of report
- Previous message (by thread): [routing-wg] Weekly Routing Table Report
- Next message (by thread): [routing-wg] The Cidr Report
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]