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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Apr 23 20:10:24 CEST 2010
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 24 Apr, 2010 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 319297 Prefixes after maximum aggregation: 147421 Deaggregation factor: 2.17 Unique aggregates announced to Internet: 154986 Total ASes present in the Internet Routing Table: 33849 Prefixes per ASN: 9.43 Origin-only ASes present in the Internet Routing Table: 29368 Origin ASes announcing only one prefix: 14321 Transit ASes present in the Internet Routing Table: 4481 Transit-only ASes present in the Internet Routing Table: 107 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 24 Max AS path prepend of ASN (32374) 19 Prefixes from unregistered ASNs in the Routing Table: 551 Unregistered ASNs in the Routing Table: 130 Number of 32-bit ASNs allocated by the RIRs: 530 Prefixes from 32-bit ASNs in the Routing Table: 593 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 207 Number of addresses announced to Internet: 2232801984 Equivalent to 133 /8s, 21 /16s and 218 /24s Percentage of available address space announced: 60.2 Percentage of allocated address space announced: 66.2 Percentage of available address space allocated: 90.9 Percentage of address space in use by end-sites: 82.4 Total number of prefixes smaller than registry allocations: 153040 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 76246 Total APNIC prefixes after maximum aggregation: 26542 APNIC Deaggregation factor: 2.87 Prefixes being announced from the APNIC address blocks: 73091 Unique aggregates announced from the APNIC address blocks: 32073 APNIC Region origin ASes present in the Internet Routing Table: 4002 APNIC Prefixes per ASN: 18.26 APNIC Region origin ASes announcing only one prefix: 1098 APNIC Region transit ASes present in the Internet Routing Table: 629 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 510246208 Equivalent to 30 /8s, 105 /16s and 189 /24s Percentage of available APNIC address space announced: 76.0 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, 43/8, 58/8, 59/8, 60/8, 61/8, 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: 133660 Total ARIN prefixes after maximum aggregation: 68828 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 106521 Unique aggregates announced from the ARIN address blocks: 40566 ARIN Region origin ASes present in the Internet Routing Table: 13641 ARIN Prefixes per ASN: 7.81 ARIN Region origin ASes announcing only one prefix: 5259 ARIN Region transit ASes present in the Internet Routing Table: 1352 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 725747232 Equivalent to 43 /8s, 66 /16s and 6 /24s Percentage of available ARIN address space announced: 61.8 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, 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, 54/8, 55/8, 56/8, 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, 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: 73238 Total RIPE prefixes after maximum aggregation: 42689 RIPE Deaggregation factor: 1.72 Prefixes being announced from the RIPE address blocks: 66217 Unique aggregates announced from the RIPE address blocks: 43594 RIPE Region origin ASes present in the Internet Routing Table: 14395 RIPE Prefixes per ASN: 4.60 RIPE Region origin ASes announcing only one prefix: 7445 RIPE Region transit ASes present in the Internet Routing Table: 2152 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 422167200 Equivalent to 25 /8s, 41 /16s and 194 /24s Percentage of available RIPE address space announced: 78.6 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, 196608-197631 RIPE Address Blocks 2/8, 25/8, 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, 178/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 28362 Total LACNIC prefixes after maximum aggregation: 6743 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 26765 Unique aggregates announced from the LACNIC address blocks: 13820 LACNIC Region origin ASes present in the Internet Routing Table: 1270 LACNIC Prefixes per ASN: 21.07 LACNIC Region origin ASes announcing only one prefix: 413 LACNIC Region transit ASes present in the Internet Routing Table: 226 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 72457408 Equivalent to 4 /8s, 81 /16s and 156 /24s Percentage of available LACNIC address space announced: 72.0 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 plus ERX transfers LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 6764 Total AfriNIC prefixes after maximum aggregation: 1783 AfriNIC Deaggregation factor: 3.79 Prefixes being announced from the AfriNIC address blocks: 5154 Unique aggregates announced from the AfriNIC address blocks: 1460 AfriNIC Region origin ASes present in the Internet Routing Table: 357 AfriNIC Prefixes per ASN: 14.44 AfriNIC Region origin ASes announcing only one prefix: 106 AfriNIC Region transit ASes present in the Internet Routing Table: 82 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 18 Number of AfriNIC addresses announced to Internet: 14435328 Equivalent to 0 /8s, 220 /16s and 68 /24s Percentage of available AfriNIC address space announced: 43.0 AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4766 1845 8406 479 Korea Telecom (KIX) 17488 1308 136 125 Hathway IP Over Cable Interne 4755 1295 291 148 TATA Communications formerly 7545 1145 205 109 TPG Internet Pty Ltd 17974 1010 281 18 PT TELEKOMUNIKASI INDONESIA 9583 985 72 485 Sify Limited 4134 938 20414 395 CHINANET-BACKBONE 24560 883 303 169 Bharti Airtel Ltd., Telemedia 4808 843 1587 215 CNCGROUP IP network: China169 9829 811 679 41 BSNL National Internet Backbo Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 4001 3837 296 bellsouth.net, inc. 4323 3830 1116 403 Time Warner Telecom 1785 1782 699 132 PaeTec Communications, Inc. 7018 1557 5741 989 AT&T WorldNet Services 20115 1512 1500 658 Charter Communications 2386 1309 585 927 AT&T Data Communications Serv 3356 1217 10924 423 Level 3 Communications, LLC 6478 1209 249 149 AT&T Worldnet Services 11492 1145 222 14 Cable One 22773 1143 2605 71 Cox Communications, Inc. Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 35805 616 56 6 United Telecom of Georgia 3292 449 1899 390 TDC Tele Danmark 30890 433 99 201 Evolva Telecom 702 416 1869 331 UUNET - Commercial IP service 8551 401 356 37 Bezeq International 8866 395 117 18 Bulgarian Telecommunication C 3301 365 1413 320 TeliaNet Sweden 3320 363 7072 316 Deutsche Telekom AG 3215 348 3238 104 France Telecom Transpac 12479 332 576 5 Uni2 Autonomous System Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1544 2965 242 UniNet S.A. de C.V. 10620 1035 239 157 TVCABLE BOGOTA 28573 923 735 89 NET Servicos de Comunicao S.A 7303 705 363 103 Telecom Argentina Stet-France 22047 549 310 15 VTR PUNTO NET S.A. 6503 541 171 211 AVANTEL, S.A. 18881 532 268 11 Global Village Telecom 7738 477 922 30 Telecomunicacoes da Bahia S.A 3816 459 195 70 Empresa Nacional de Telecomun 14117 455 30 13 Telefonica del Sur S.A. Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 8452 1054 189 9 TEDATA 24863 712 145 41 LINKdotNET AS number 36992 575 240 160 Etisalat MISR 3741 272 850 232 The Internet Solution 33776 219 12 14 Starcomms Nigeria Limited 2018 216 230 110 Tertiary Education Network 6713 176 167 12 Itissalat Al-MAGHRIB 29571 172 19 9 Ci Telecom Autonomous system 29975 133 506 14 Vodacom 5536 113 8 3 Internet Egypt Network Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 4001 3837 296 bellsouth.net, inc. 4323 3830 1116 403 Time Warner Telecom 4766 1845 8406 479 Korea Telecom (KIX) 1785 1782 699 132 PaeTec Communications, Inc. 7018 1557 5741 989 AT&T WorldNet Services 8151 1544 2965 242 UniNet S.A. de C.V. 20115 1512 1500 658 Charter Communications 2386 1309 585 927 AT&T Data Communications Serv 17488 1308 136 125 Hathway IP Over Cable Interne 4755 1295 291 148 TATA Communications formerly Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 3830 3427 Time Warner Telecom 1785 1782 1650 PaeTec Communications, Inc. 4766 1845 1366 Korea Telecom (KIX) 8151 1544 1302 UniNet S.A. de C.V. 17488 1308 1183 Hathway IP Over Cable Interne 4755 1295 1147 TATA Communications formerly 11492 1145 1131 Cable One 22773 1143 1072 Cox Communications, Inc. 6478 1209 1060 AT&T Worldnet Services 18566 1059 1049 Covad Communications Complete listing at http://thyme.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 16927 UNALLOCATED 12.0.252.0/23 7018 AT&T WorldNet Servic 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic 13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.152.0/24 1239 Sprint 26973 UNALLOCATED 12.39.154.0/23 1239 Sprint 26973 UNALLOCATED 12.39.155.0/24 1239 Sprint 26973 UNALLOCATED 12.39.159.0/24 1239 Sprint 25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic Complete listing at http://thyme.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 14.0.0.0/8 38639 NTT Communications Corporatio 41.190.64.0/22 28683 Office des Postes et telecomm 41.190.66.0/24 37039 >>UNKNOWN<< 41.202.96.0/19 29571 Ci Telecom Autonomous system 41.220.144.0/20 36918 ORASCOM TELECOM ALGERIE VSAT 41.220.159.0/24 36918 ORASCOM TELECOM ALGERIE VSAT 41.222.79.0/24 36938 >>UNKNOWN<< 41.223.92.0/22 36936 >>UNKNOWN<< 41.223.188.0/24 22351 Intelsat 41.223.189.0/24 26452 Local Communications Networks Complete listing at http://thyme.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 /8:21 /9:10 /10:25 /11:66 /12:192 /13:396 /14:684 /15:1247 /16:11068 /17:5231 /18:8929 /19:18342 /20:22449 /21:22552 /22:29289 /23:28964 /24:166838 /25:977 /26:1225 /27:627 /28:141 /29:9 /30:7 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2566 4001 bellsouth.net, inc. 4323 2340 3830 Time Warner Telecom 4766 1480 1845 Korea Telecom (KIX) 1785 1242 1782 PaeTec Communications, Inc. 17488 1060 1308 Hathway IP Over Cable Interne 11492 1056 1145 Cable One 18566 1040 1059 Covad Communications 8452 954 1054 TEDATA 10620 945 1035 TVCABLE BOGOTA 7018 936 1557 AT&T WorldNet Services Complete listing at http://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:13 8:257 12:2001 13:10 15:23 16:3 17:8 20:25 24:1409 27:51 32:48 33:12 38:660 40:99 41:2141 44:3 46:1 47:25 52:6 55:7 56:2 57:24 58:711 59:535 60:427 61:1097 62:1011 63:1993 64:3852 65:2361 66:4137 67:1797 68:1057 69:2826 70:707 71:236 72:1814 73:2 74:2243 75:246 76:308 77:844 78:604 79:387 80:984 81:782 82:464 83:444 84:693 85:1038 86:441 87:692 88:327 89:1557 90:85 91:2719 92:460 93:1102 94:1385 95:577 96:229 97:306 98:545 99:26 109:450 110:313 111:473 112:247 113:273 114:390 115:599 116:1021 117:629 118:424 119:923 120:149 121:787 122:1427 123:872 124:1107 125:1293 128:209 129:204 130:163 131:558 132:245 133:17 134:195 135:44 136:227 137:171 138:255 139:92 140:487 141:136 142:374 143:389 144:465 145:53 146:416 147:169 148:586 149:289 150:150 151:180 152:277 153:168 154:2 155:328 156:184 157:328 158:107 159:368 160:315 161:179 162:268 163:168 164:405 165:528 166:507 167:405 168:801 169:160 170:729 171:50 172:1 173:662 174:653 175:75 178:66 180:419 182:36 183:247 184:35 186:365 187:300 188:1249 189:746 190:3628 192:5732 193:4673 194:3367 195:2777 196:1139 197:1 198:3563 199:3419 200:5326 201:1516 202:7922 203:8319 204:4053 205:2324 206:2542 207:3044 208:3955 209:3474 210:2513 211:1239 212:1717 213:1663 214:596 215:70 216:4574 217:1531 218:500 219:395 220:1109 221:383 222:313 End of report
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