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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Jun 15 21:05:08 CEST 2012
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, TRNOG, 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 <pfsinoz at gmail.com>. Routing Table Report 04:00 +10GMT Sat 16 Jun, 2012 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 413957 Prefixes after maximum aggregation: 175177 Deaggregation factor: 2.36 Unique aggregates announced to Internet: 201673 Total ASes present in the Internet Routing Table: 41298 Prefixes per ASN: 10.02 Origin-only ASes present in the Internet Routing Table: 33296 Origin ASes announcing only one prefix: 15667 Transit ASes present in the Internet Routing Table: 5521 Transit-only ASes present in the Internet Routing Table: 139 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 28 Max AS path prepend of ASN ( 36992) 22 Prefixes from unregistered ASNs in the Routing Table: 413 Unregistered ASNs in the Routing Table: 140 Number of 32-bit ASNs allocated by the RIRs: 2842 Number of 32-bit ASNs visible in the Routing Table: 2481 Prefixes from 32-bit ASNs in the Routing Table: 6297 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 331 Number of addresses announced to Internet: 2566262828 Equivalent to 152 /8s, 246 /16s and 16 /24s Percentage of available address space announced: 69.2 Percentage of allocated address space announced: 69.3 Percentage of available address space allocated: 99.9 Percentage of address space in use by end-sites: 92.9 Total number of prefixes smaller than registry allocations: 143956 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 100691 Total APNIC prefixes after maximum aggregation: 32639 APNIC Deaggregation factor: 3.08 Prefixes being announced from the APNIC address blocks: 101099 Unique aggregates announced from the APNIC address blocks: 41731 APNIC Region origin ASes present in the Internet Routing Table: 4707 APNIC Prefixes per ASN: 21.48 APNIC Region origin ASes announcing only one prefix: 1248 APNIC Region transit ASes present in the Internet Routing Table: 742 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 227 Number of APNIC addresses announced to Internet: 702947456 Equivalent to 41 /8s, 230 /16s and 32 /24s Percentage of available APNIC address space announced: 82.2 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 131072-133119 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, 150/8, 153/8, 163/8, 171/8, 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: 151879 Total ARIN prefixes after maximum aggregation: 77226 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 152854 Unique aggregates announced from the ARIN address blocks: 68024 ARIN Region origin ASes present in the Internet Routing Table: 15161 ARIN Prefixes per ASN: 10.08 ARIN Region origin ASes announcing only one prefix: 5752 ARIN Region transit ASes present in the Internet Routing Table: 1600 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 16 Number of ARIN addresses announced to Internet: 1081034368 Equivalent to 64 /8s, 111 /16s and 70 /24s Percentage of available ARIN address space announced: 57.2 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, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 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: 103555 Total RIPE prefixes after maximum aggregation: 54773 RIPE Deaggregation factor: 1.89 Prefixes being announced from the RIPE address blocks: 105450 Unique aggregates announced from the RIPE address blocks: 66502 RIPE Region origin ASes present in the Internet Routing Table: 16625 RIPE Prefixes per ASN: 6.34 RIPE Region origin ASes announcing only one prefix: 8065 RIPE Region transit ASes present in the Internet Routing Table: 2664 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1645 Number of RIPE addresses announced to Internet: 630722692 Equivalent to 37 /8s, 152 /16s and 16 /24s Percentage of available RIPE address space announced: 91.7 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 59392-61439, 196608-199679 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, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 42038 Total LACNIC prefixes after maximum aggregation: 8316 LACNIC Deaggregation factor: 5.06 Prefixes being announced from the LACNIC address blocks: 44471 Unique aggregates announced from the LACNIC address blocks: 21854 LACNIC Region origin ASes present in the Internet Routing Table: 1603 LACNIC Prefixes per ASN: 27.74 LACNIC Region origin ASes announcing only one prefix: 436 LACNIC Region transit ASes present in the Internet Routing Table: 306 Average LACNIC Region AS path length visible: 4.5 Max LACNIC Region AS path length visible: 19 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 588 Number of LACNIC addresses announced to Internet: 110613672 Equivalent to 6 /8s, 151 /16s and 212 /24s Percentage of available LACNIC address space announced: 65.9 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, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 9310 Total AfriNIC prefixes after maximum aggregation: 2159 AfriNIC Deaggregation factor: 4.31 Prefixes being announced from the AfriNIC address blocks: 9752 Unique aggregates announced from the AfriNIC address blocks: 3261 AfriNIC Region origin ASes present in the Internet Routing Table: 546 AfriNIC Prefixes per ASN: 17.86 AfriNIC Region origin ASes announcing only one prefix: 166 AfriNIC Region transit ASes present in the Internet Routing Table: 119 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 25 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5 Number of AfriNIC addresses announced to Internet: 40404480 Equivalent to 2 /8s, 104 /16s and 134 /24s Percentage of available AfriNIC address space announced: 40.1 AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4766 2672 11116 1158 Korea Telecom (KIX) 17974 1929 531 82 PT TELEKOMUNIKASI INDONESIA 7545 1684 301 86 TPG Internet Pty Ltd 4755 1593 386 155 TATA Communications formerly 9829 1300 1085 28 BSNL National Internet Backbo 9583 1183 89 509 Sify Limited 4808 1103 2049 314 CNCGROUP IP network: China169 7552 1089 1062 11 Vietel Corporation 24560 1031 385 163 Bharti Airtel Ltd., Telemedia 9498 966 291 63 BHARTI Airtel Ltd. 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 3405 3791 191 bellsouth.net, inc. 7029 3298 986 159 Windstream Communications Inc 18566 2091 382 181 Covad Communications 1785 1919 681 132 PaeTec Communications, Inc. 22773 1649 2911 121 Cox Communications, Inc. 20115 1643 1570 613 Charter Communications 4323 1574 1043 385 Time Warner Telecom 30036 1433 266 752 Mediacom Communications Corp 7018 1226 10014 825 AT&T WorldNet Services 11492 1189 216 356 Cable One 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 8402 1771 544 16 Corbina telecom 2118 1239 97 14 EUnet/RELCOM Autonomous Syste 12479 745 713 90 Uni2 Autonomous System 34984 708 188 172 BILISIM TELEKOM 31148 685 37 9 FreeNet ISP 20940 676 222 528 Akamai Technologies European 6830 661 2219 427 UPC Distribution Services 8551 575 364 61 Bezeq International 3320 489 8442 402 Deutsche Telekom AG 3292 475 2108 408 TDC Tele Danmark 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 1967 342 205 TVCABLE BOGOTA 28573 1917 1188 52 NET Servicos de Comunicao S.A 6503 1527 418 65 AVANTEL, S.A. 8151 1487 3068 336 UniNet S.A. de C.V. 7303 1440 901 195 Telecom Argentina Stet-France 26615 900 696 35 Tim Brasil S.A. 27947 705 73 93 Telconet S.A 11172 646 91 74 Servicios Alestra S.A de C.V 3816 584 245 92 Empresa Nacional de Telecomun 22047 583 326 15 VTR PUNTO NET S.A. 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 1254 958 13 TEDATA 24863 854 274 35 LINKdotNET AS number 6713 497 649 18 Itissalat Al-MAGHRIB 24835 321 80 8 RAYA Telecom - Egypt 3741 262 905 223 The Internet Solution 33776 210 12 21 Starcomms Nigeria Limited 12258 197 28 62 Vodacom Internet Company 16637 171 664 87 MTN Network Solutions 29975 167 571 19 Vodacom 29571 157 15 16 Ci Telecom Autonomous system 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 3405 3791 191 bellsouth.net, inc. 7029 3298 986 159 Windstream Communications Inc 4766 2672 11116 1158 Korea Telecom (KIX) 18566 2091 382 181 Covad Communications 10620 1967 342 205 TVCABLE BOGOTA 17974 1929 531 82 PT TELEKOMUNIKASI INDONESIA 1785 1919 681 132 PaeTec Communications, Inc. 28573 1917 1188 52 NET Servicos de Comunicao S.A 8402 1771 544 16 Corbina telecom 7545 1684 301 86 TPG Internet Pty Ltd Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 7029 3298 3139 Windstream Communications Inc 18566 2091 1910 Covad Communications 28573 1917 1865 NET Servicos de Comunicao S.A 17974 1929 1847 PT TELEKOMUNIKASI INDONESIA 1785 1919 1787 PaeTec Communications, Inc. 10620 1967 1762 TVCABLE BOGOTA 8402 1771 1755 Corbina telecom 7545 1684 1598 TPG Internet Pty Ltd 22773 1649 1528 Cox Communications, Inc. 4766 2672 1514 Korea Telecom (KIX) 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 25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic 13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic 23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic 17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic 17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies, 16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic 32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser 32873 UNALLOCATED 12.46.102.0/24 10912 InterNAP Network Ser 14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic Complete listing at http://thyme.rand.apnic.net/current/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 128.0.0.0/21 12654 RIPE NCC RIS Project 128.0.24.0/24 12654 RIPE NCC RIS Project Complete listing at http://thyme.rand.apnic.net/current/data-dsua Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 5.83.16.0/21 35362 Best ISP 14.192.0.0/22 45464 Room 201, TGU Bldg 14.192.4.0/22 45464 Room 201, TGU Bldg 14.192.8.0/22 45464 Room 201, TGU Bldg 14.192.12.0/22 45464 Room 201, TGU Bldg 14.192.16.0/22 45464 Room 201, TGU Bldg 14.192.20.0/22 45464 Room 201, TGU Bldg 14.192.24.0/22 45464 Room 201, TGU Bldg 14.192.28.0/22 45464 Room 201, TGU Bldg 27.112.114.0/24 23884 Proimage Engineering and Comm 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 /9:13 /10:28 /11:83 /12:236 /13:462 /14:834 /15:1508 /16:12304 /17:6324 /18:10705 /19:20805 /20:29533 /21:31182 /22:40852 /23:38649 /24:216623 /25:1232 /26:1440 /27:848 /28:169 /29:68 /30:18 /31:0 /32:22 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 7029 2679 3298 Windstream Communications Inc 18566 2040 2091 Covad Communications 6389 1876 3405 bellsouth.net, inc. 8402 1465 1771 Corbina telecom 30036 1373 1433 Mediacom Communications Corp 11492 1152 1189 Cable One 22773 1081 1649 Cox Communications, Inc. 6503 1061 1527 AVANTEL, S.A. 1785 1032 1919 PaeTec Communications, Inc. 8452 1023 1254 TEDATA Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:529 2:767 3:1 4:13 5:60 6:3 8:426 12:2016 13:1 14:625 15:12 16:3 17:5 20:25 23:183 24:1777 27:1311 31:990 32:56 33:2 34:2 36:9 37:722 38:811 40:127 41:3113 42:135 44:3 46:1420 47:2 49:392 50:562 52:13 54:12 55:10 56:1 57:34 58:964 59:496 60:260 61:1213 62:1007 63:2007 64:4218 65:2251 66:4453 67:2007 68:1160 69:3172 70:981 71:509 72:1825 74:2599 75:478 76:329 77:958 78:979 79:491 80:1222 81:947 82:658 83:541 84:504 85:1190 86:424 87:926 88:337 89:1723 90:293 91:4931 92:572 93:1384 94:1591 95:1227 96:373 97:315 98:902 99:38 100:17 101:248 103:1163 106:103 107:186 108:332 109:1376 110:778 111:922 112:418 113:618 114:637 115:849 116:950 117:732 118:922 119:1223 120:350 121:692 122:1671 123:1090 124:1393 125:1254 128:559 129:199 130:250 131:633 132:289 133:22 134:244 135:61 136:215 137:239 138:334 139:191 140:494 141:253 142:416 143:377 144:531 145:73 146:510 147:292 148:768 149:314 150:161 151:176 152:472 153:173 154:16 155:447 156:223 157:381 158:188 159:603 160:350 161:268 162:352 163:190 164:641 165:416 166:588 167:473 168:862 169:127 170:882 171:138 172:4 173:1779 174:599 175:429 176:544 177:803 178:1455 180:1262 181:97 182:1018 183:229 184:535 185:1 186:2307 187:1106 188:1348 189:1842 190:5589 192:6010 193:5529 194:4539 195:3411 196:1222 197:156 198:3664 199:4787 200:5889 201:1948 202:8651 203:8543 204:4349 205:2539 206:2810 207:2795 208:4012 209:3608 210:2774 211:1548 212:2034 213:1931 214:868 215:86 216:5114 217:1565 218:553 219:312 220:1237 221:570 222:317 223:362 End of report
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