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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Jul 13 21:10:16 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 14 Jul, 2012 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 416525 Prefixes after maximum aggregation: 175957 Deaggregation factor: 2.37 Unique aggregates announced to Internet: 202804 Total ASes present in the Internet Routing Table: 41495 Prefixes per ASN: 10.04 Origin-only ASes present in the Internet Routing Table: 33311 Origin ASes announcing only one prefix: 15683 Transit ASes present in the Internet Routing Table: 5581 Transit-only ASes present in the Internet Routing Table: 135 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 31 Max AS path prepend of ASN ( 51742) 24 Prefixes from unregistered ASNs in the Routing Table: 404 Unregistered ASNs in the Routing Table: 131 Number of 32-bit ASNs allocated by the RIRs: 2974 Number of 32-bit ASNs visible in the Routing Table: 2603 Prefixes from 32-bit ASNs in the Routing Table: 6761 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 162 Number of addresses announced to Internet: 2565104428 Equivalent to 152 /8s, 228 /16s and 99 /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: 93.0 Total number of prefixes smaller than registry allocations: 144361 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 101982 Total APNIC prefixes after maximum aggregation: 32789 APNIC Deaggregation factor: 3.11 Prefixes being announced from the APNIC address blocks: 102433 Unique aggregates announced from the APNIC address blocks: 42106 APNIC Region origin ASes present in the Internet Routing Table: 4715 APNIC Prefixes per ASN: 21.72 APNIC Region origin ASes announcing only one prefix: 1243 APNIC Region transit ASes present in the Internet Routing Table: 739 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 245 Number of APNIC addresses announced to Internet: 704212608 Equivalent to 41 /8s, 249 /16s and 110 /24s Percentage of available APNIC address space announced: 82.3 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: 152258 Total ARIN prefixes after maximum aggregation: 77460 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 153294 Unique aggregates announced from the ARIN address blocks: 68403 ARIN Region origin ASes present in the Internet Routing Table: 15189 ARIN Prefixes per ASN: 10.09 ARIN Region origin ASes announcing only one prefix: 5766 ARIN Region transit ASes present in the Internet Routing Table: 1612 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 17 Number of ARIN addresses announced to Internet: 1071305600 Equivalent to 63 /8s, 218 /16s and 211 /24s Percentage of available ARIN address space announced: 56.7 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: 103627 Total RIPE prefixes after maximum aggregation: 55173 RIPE Deaggregation factor: 1.88 Prefixes being announced from the RIPE address blocks: 105822 Unique aggregates announced from the RIPE address blocks: 67104 RIPE Region origin ASes present in the Internet Routing Table: 16657 RIPE Prefixes per ASN: 6.35 RIPE Region origin ASes announcing only one prefix: 8072 RIPE Region transit ASes present in the Internet Routing Table: 2711 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1715 Number of RIPE addresses announced to Internet: 635650436 Equivalent to 37 /8s, 227 /16s and 65 /24s Percentage of available RIPE address space announced: 92.4 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: 42512 Total LACNIC prefixes after maximum aggregation: 8355 LACNIC Deaggregation factor: 5.09 Prefixes being announced from the LACNIC address blocks: 45201 Unique aggregates announced from the LACNIC address blocks: 21759 LACNIC Region origin ASes present in the Internet Routing Table: 1610 LACNIC Prefixes per ASN: 28.08 LACNIC Region origin ASes announcing only one prefix: 430 LACNIC Region transit ASes present in the Internet Routing Table: 307 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 621 Number of LACNIC addresses announced to Internet: 112309160 Equivalent to 6 /8s, 177 /16s and 179 /24s Percentage of available LACNIC address space announced: 66.9 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: 9181 Total AfriNIC prefixes after maximum aggregation: 2126 AfriNIC Deaggregation factor: 4.32 Prefixes being announced from the AfriNIC address blocks: 9613 Unique aggregates announced from the AfriNIC address blocks: 3291 AfriNIC Region origin ASes present in the Internet Routing Table: 553 AfriNIC Prefixes per ASN: 17.38 AfriNIC Region origin ASes announcing only one prefix: 172 AfriNIC Region transit ASes present in the Internet Routing Table: 124 Average AfriNIC Region AS path length visible: 4.4 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: 41186304 Equivalent to 2 /8s, 116 /16s and 116 /24s Percentage of available AfriNIC address space announced: 40.9 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 2733 11119 1236 Korea Telecom (KIX) 17974 2217 558 80 PT TELEKOMUNIKASI INDONESIA 7545 1690 301 86 TPG Internet Pty Ltd 4755 1613 388 162 TATA Communications formerly 9829 1303 1085 28 BSNL National Internet Backbo 9583 1167 88 505 Sify Limited 7552 1128 1062 11 Vietel Corporation 4808 1117 2053 318 CNCGROUP IP network: China169 24560 1037 385 165 Bharti Airtel Ltd., Telemedia 9498 982 291 68 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 3389 3773 187 bellsouth.net, inc. 7029 3337 998 177 Windstream Communications Inc 18566 2088 382 181 Covad Communications 1785 1935 681 130 PaeTec Communications, Inc. 22773 1665 2911 121 Cox Communications, Inc. 20115 1648 1571 615 Charter Communications 4323 1575 1043 384 Time Warner Telecom 30036 1388 269 785 Mediacom Communications Corp 7018 1258 10044 823 AT&T WorldNet Services 7011 1197 320 696 Citizens Utilities 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 1589 544 16 Corbina telecom 2118 1023 97 14 EUnet/RELCOM Autonomous Syste 12479 796 741 94 Uni2 Autonomous System 34984 728 189 174 BILISIM TELEKOM 6830 709 2292 443 UPC Distribution Services 31148 702 37 9 FreeNet ISP 20940 684 220 531 Akamai Technologies European 8551 577 364 61 Bezeq International 13188 576 100 10 Educational Network 3320 500 8443 410 Deutsche Telekom AG 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 28573 2003 1214 55 NET Servicos de Comunicao S.A 10620 1990 346 208 TVCABLE BOGOTA 6503 1523 418 66 AVANTEL, S.A. 8151 1466 3042 343 UniNet S.A. de C.V. 7303 1454 934 194 Telecom Argentina Stet-France 6458 854 81 15 GUATEL 27947 714 73 93 Telconet S.A 11172 643 91 74 Servicios Alestra S.A de C.V 3816 588 246 90 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 1156 958 13 TEDATA 24863 863 274 32 LINKdotNET AS number 6713 508 649 18 Itissalat Al-MAGHRIB 24835 285 80 8 RAYA Telecom - Egypt 3741 262 905 223 The Internet Solution 12258 197 28 62 Vodacom Internet Company 33776 194 12 18 Starcomms Nigeria Limited 29975 191 667 21 Vodacom 16637 170 664 87 MTN Network Solutions 15706 159 32 6 Sudatel Internet Exchange Aut 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 3389 3773 187 bellsouth.net, inc. 7029 3337 998 177 Windstream Communications Inc 4766 2733 11119 1236 Korea Telecom (KIX) 17974 2217 558 80 PT TELEKOMUNIKASI INDONESIA 18566 2088 382 181 Covad Communications 28573 2003 1214 55 NET Servicos de Comunicao S.A 10620 1990 346 208 TVCABLE BOGOTA 1785 1935 681 130 PaeTec Communications, Inc. 7545 1690 301 86 TPG Internet Pty Ltd 22773 1665 2911 121 Cox Communications, Inc. 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 3337 3160 Windstream Communications Inc 17974 2217 2137 PT TELEKOMUNIKASI INDONESIA 28573 2003 1948 NET Servicos de Comunicao S.A 18566 2088 1907 Covad Communications 1785 1935 1805 PaeTec Communications, Inc. 10620 1990 1782 TVCABLE BOGOTA 7545 1690 1604 TPG Internet Pty Ltd 8402 1589 1573 Corbina telecom 22773 1665 1544 Cox Communications, Inc. 4766 2733 1497 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 14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic 33649 UNALLOCATED 12.111.112.0/24 19029 New Edge Networks 29760 UNALLOCATED 12.145.34.0/23 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 198.18.0.0/15 14744 Internap Network Services Complete listing at http://thyme.rand.apnic.net/current/data-dsua Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 5.144.160.0/20 12637 SEEWEB srl 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 /9:12 /10:28 /11:82 /12:236 /13:471 /14:843 /15:1519 /16:12288 /17:6367 /18:10787 /19:20871 /20:29736 /21:31544 /22:41211 /23:39218 /24:217439 /25:1237 /26:1489 /27:857 /28:168 /29:62 /30:18 /31:0 /32:23 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 7029 2673 3337 Windstream Communications Inc 18566 2038 2088 Covad Communications 6389 1868 3389 bellsouth.net, inc. 30036 1323 1388 Mediacom Communications Corp 8402 1285 1589 Corbina telecom 11492 1154 1191 Cable One 22773 1095 1665 Cox Communications, Inc. 6503 1051 1523 AVANTEL, S.A. 1785 1043 1935 PaeTec Communications, Inc. 7011 934 1197 Citizens Utilities Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:579 2:691 3:1 4:13 5:128 6:3 8:419 12:2007 13:1 14:636 15:12 16:3 17:5 20:24 23:188 24:1786 27:1329 31:1014 32:56 33:2 34:2 36:8 37:615 38:822 39:1 40:128 41:3016 42:141 44:3 46:1523 47:2 49:430 50:553 52:13 54:14 55:7 56:1 57:34 58:978 59:527 60:245 61:1335 62:923 63:2005 64:4229 65:2238 66:4495 67:2025 68:1140 69:3195 70:980 71:512 72:1868 74:2599 75:479 76:334 77:934 78:905 79:492 80:1215 81:942 82:650 83:523 84:500 85:1160 86:425 87:933 88:357 89:1684 90:303 91:5015 92:582 93:1302 94:1563 95:1242 96:357 97:321 98:887 99:39 100:20 101:256 103:1248 106:115 107:189 108:370 109:1461 110:789 111:939 112:428 113:654 114:655 115:905 116:920 117:722 118:903 119:1220 120:349 121:798 122:1662 123:1164 124:1380 125:1254 128:552 129:185 130:264 131:632 132:300 133:22 134:246 135:61 136:218 137:239 138:334 139:177 140:493 141:246 142:431 143:374 144:474 145:77 146:518 147:281 148:769 149:317 150:151 151:185 152:475 153:176 154:17 155:432 156:220 157:381 158:190 159:625 160:343 161:274 162:379 163:192 164:666 165:410 166:589 167:532 168:914 169:125 170:896 171:146 172:5 173:1726 174:607 175:437 176:563 177:955 178:1619 180:1303 181:104 182:989 183:230 184:539 186:1983 187:1089 188:1367 189:1592 190:6058 192:6008 193:5525 194:4476 195:3229 196:1211 197:170 198:3677 199:4860 200:5959 201:1992 202:8712 203:8667 204:4381 205:2523 206:2786 207:2761 208:4031 209:3626 210:2791 211:1561 212:1970 213:1813 214:867 215:83 216:5088 217:1550 218:556 219:339 220:1228 221:569 222:337 223:350 End of report
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