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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Jan 4 19:44:28 CET 2013
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 05 Jan, 2013 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 438213 Prefixes after maximum aggregation: 181057 Deaggregation factor: 2.42 Unique aggregates announced to Internet: 215491 Total ASes present in the Internet Routing Table: 42975 Prefixes per ASN: 10.20 Origin-only ASes present in the Internet Routing Table: 33999 Origin ASes announcing only one prefix: 15908 Transit ASes present in the Internet Routing Table: 5711 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: 31 Max AS path prepend of ASN ( 28730) 25 Prefixes from unregistered ASNs in the Routing Table: 374 Unregistered ASNs in the Routing Table: 129 Number of 32-bit ASNs allocated by the RIRs: 3618 Number of 32-bit ASNs visible in the Routing Table: 3265 Prefixes from 32-bit ASNs in the Routing Table: 8876 Special use prefixes present in the Routing Table: 15 Prefixes being announced from unallocated address space: 178 Number of addresses announced to Internet: 2622004844 Equivalent to 156 /8s, 72 /16s and 158 /24s Percentage of available address space announced: 70.8 Percentage of allocated address space announced: 70.8 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 94.1 Total number of prefixes smaller than registry allocations: 154787 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 105421 Total APNIC prefixes after maximum aggregation: 32827 APNIC Deaggregation factor: 3.21 Prefixes being announced from the APNIC address blocks: 106384 Unique aggregates announced from the APNIC address blocks: 43509 APNIC Region origin ASes present in the Internet Routing Table: 4810 APNIC Prefixes per ASN: 22.12 APNIC Region origin ASes announcing only one prefix: 1246 APNIC Region transit ASes present in the Internet Routing Table: 804 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 23 Number of APNIC region 32-bit ASNs visible in the Routing Table: 404 Number of APNIC addresses announced to Internet: 716927840 Equivalent to 42 /8s, 187 /16s and 115 /24s Percentage of available APNIC address space announced: 83.8 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: 156128 Total ARIN prefixes after maximum aggregation: 78474 ARIN Deaggregation factor: 1.99 Prefixes being announced from the ARIN address blocks: 156813 Unique aggregates announced from the ARIN address blocks: 70729 ARIN Region origin ASes present in the Internet Routing Table: 15368 ARIN Prefixes per ASN: 10.20 ARIN Region origin ASes announcing only one prefix: 5812 ARIN Region transit ASes present in the Internet Routing Table: 1589 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 17 Number of ARIN addresses announced to Internet: 1090414976 Equivalent to 64 /8s, 254 /16s and 105 /24s Percentage of available ARIN address space announced: 57.7 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: 112772 Total RIPE prefixes after maximum aggregation: 58370 RIPE Deaggregation factor: 1.93 Prefixes being announced from the RIPE address blocks: 115760 Unique aggregates announced from the RIPE address blocks: 74317 RIPE Region origin ASes present in the Internet Routing Table: 17013 RIPE Prefixes per ASN: 6.80 RIPE Region origin ASes announcing only one prefix: 8158 RIPE Region transit ASes present in the Internet Routing Table: 2767 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 2106 Number of RIPE addresses announced to Internet: 650081892 Equivalent to 38 /8s, 191 /16s and 118 /24s Percentage of available RIPE address space announced: 94.5 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: 45236 Total LACNIC prefixes after maximum aggregation: 8993 LACNIC Deaggregation factor: 5.03 Prefixes being announced from the LACNIC address blocks: 48856 Unique aggregates announced from the LACNIC address blocks: 23141 LACNIC Region origin ASes present in the Internet Routing Table: 1764 LACNIC Prefixes per ASN: 27.70 LACNIC Region origin ASes announcing only one prefix: 504 LACNIC Region transit ASes present in the Internet Routing Table: 335 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: 732 Number of LACNIC addresses announced to Internet: 121174312 Equivalent to 7 /8s, 56 /16s and 249 /24s Percentage of available LACNIC address space announced: 72.2 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: 9660 Total AfriNIC prefixes after maximum aggregation: 2340 AfriNIC Deaggregation factor: 4.13 Prefixes being announced from the AfriNIC address blocks: 10222 Unique aggregates announced from the AfriNIC address blocks: 3636 AfriNIC Region origin ASes present in the Internet Routing Table: 585 AfriNIC Prefixes per ASN: 17.47 AfriNIC Region origin ASes announcing only one prefix: 188 AfriNIC Region transit ASes present in the Internet Routing Table: 127 Average AfriNIC Region AS path length visible: 4.7 Max AfriNIC Region AS path length visible: 25 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6 Number of AfriNIC addresses announced to Internet: 43102208 Equivalent to 2 /8s, 145 /16s and 176 /24s Percentage of available AfriNIC address space announced: 42.8 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 2928 11555 911 Korea Telecom (KIX) 17974 2487 829 54 PT TELEKOMUNIKASI INDONESIA 7545 1815 301 88 TPG Internet Pty Ltd 4755 1664 381 175 TATA Communications formerly 9829 1409 1155 41 BSNL National Internet Backbo 9583 1198 89 501 Sify Limited 7552 1142 1070 12 Vietel Corporation 4808 1124 2040 316 CNCGROUP IP network: China169 9498 1052 309 74 BHARTI Airtel Ltd. 24560 1038 385 161 Bharti Airtel Ltd., Telemedia 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 7029 3457 1266 216 Windstream Communications Inc 6389 3117 3701 131 bellsouth.net, inc. 18566 2081 382 180 Covad Communications 22773 1952 2932 131 Cox Communications, Inc. 1785 1945 678 124 PaeTec Communications, Inc. 20115 1690 1604 620 Charter Communications 4323 1596 1155 397 Time Warner Telecom 30036 1354 288 708 Mediacom Communications Corp 7018 1293 10549 853 AT&T WorldNet Services 7011 1206 321 685 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 1738 544 16 Corbina telecom 2118 1052 97 15 EUnet/RELCOM Autonomous Syste 34984 904 211 232 BILISIM TELEKOM 12479 869 777 64 Uni2 Autonomous System 13188 770 96 117 Educational Network 31148 743 38 15 FreeNet ISP 20940 734 242 572 Akamai Technologies European 6830 714 2313 435 UPC Distribution Services 8551 658 367 39 Bezeq International 58113 633 70 378 LIR DATACENTER TELECOM SRL 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 2270 387 207 TVCABLE BOGOTA 28573 2258 1299 70 NET Servicos de Comunicao S.A 7303 1674 1139 202 Telecom Argentina Stet-France 6503 1452 435 67 AVANTEL, S.A. 8151 1417 2913 354 UniNet S.A. de C.V. 18881 747 716 18 Global Village Telecom 27947 745 85 94 Telconet S.A 3816 672 309 71 Empresa Nacional de Telecomun 11172 602 86 66 Servicios Alestra S.A de C.V 7738 587 1242 34 Telecomunicacoes da Bahia 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 24863 878 275 36 LINKdotNET AS number 36998 749 48 3 MOBITEL 8452 543 958 13 TEDATA 6713 499 602 20 Itissalat Al-MAGHRIB 24835 291 80 8 RAYA Telecom - Egypt 3741 267 906 225 The Internet Solution 12258 193 28 67 Vodacom Internet Company 15706 191 32 6 Sudatel Internet Exchange Aut 29975 191 667 21 Vodacom 16637 181 697 88 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 7029 3457 1266 216 Windstream Communications Inc 6389 3117 3701 131 bellsouth.net, inc. 4766 2928 11555 911 Korea Telecom (KIX) 17974 2487 829 54 PT TELEKOMUNIKASI INDONESIA 10620 2270 387 207 TVCABLE BOGOTA 28573 2258 1299 70 NET Servicos de Comunicao S.A 18566 2081 382 180 Covad Communications 22773 1952 2932 131 Cox Communications, Inc. 1785 1945 678 124 PaeTec Communications, Inc. 7545 1815 301 88 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 6389 3117 2986 bellsouth.net, inc. 17974 2487 2433 PT TELEKOMUNIKASI INDONESIA 28573 2258 2188 NET Servicos de Comunicao S.A 10620 2270 2063 TVCABLE BOGOTA 4766 2928 2017 Korea Telecom (KIX) 18566 2081 1901 Covad Communications 22773 1952 1821 Cox Communications, Inc. 1785 1945 1821 PaeTec Communications, Inc. 7545 1815 1727 TPG Internet Pty Ltd 8402 1738 1722 Corbina telecom 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 30031 UNALLOCATED 12.27.122.0/24 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 12.45.103.0/24 209 Qwest 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 26064 UNALLOCATED 12.149.37.0/24 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 128.0.0.0/24 2876 Jump Management SRL 128.0.24.0/21 41794 Altline LLC 128.0.64.0/22 49466 Declic Telecom SAS 128.0.68.0/22 49466 Declic Telecom SAS 128.0.72.0/21 23456 32-bit ASN transition 128.0.80.0/20 52041 Timer LTD 128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol 128.0.106.0/24 23456 32-bit ASN transition 128.0.128.0/20 29285 AMT closed joint-stock compan 128.0.144.0/22 59675 mywire Datentechnik GmbH Complete listing at http://thyme.rand.apnic.net/current/data-dsua Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 27.112.114.0/24 23884 Proimage Engineering and Comm 31.210.16.0/22 15657 Neural Networks ASN 41.222.80.0/21 37110 Moztel LDA 62.12.96.0/19 38478 SunnyVision Limited 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 62.61.221.0/24 24974 Tachyon Europe BV - Wireless 64.66.32.0/20 18864 >>UNKNOWN<< 64.185.224.0/24 27431 JTL Networks Inc. 64.185.225.0/24 27431 JTL Networks Inc. 64.185.226.0/24 27431 JTL Networks Inc. 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 /8:18 /9:13 /10:29 /11:87 /12:245 /13:478 /14:859 /15:1546 /16:12490 /17:6562 /18:10926 /19:21636 /20:31075 /21:33048 /22:44245 /23:40846 /24:230123 /25:1300 /26:1682 /27:871 /28:41 /29:59 /30:13 /31:0 /32:21 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 7029 2723 3457 Windstream Communications Inc 18566 2031 2081 Covad Communications 6389 1773 3117 bellsouth.net, inc. 8402 1463 1738 Corbina telecom 22773 1283 1952 Cox Communications, Inc. 30036 1255 1354 Mediacom Communications Corp 11492 1157 1194 Cable One 1785 1027 1945 PaeTec Communications, Inc. 6503 979 1452 AVANTEL, S.A. 7011 954 1206 Citizens Utilities Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:685 2:697 3:3 4:13 5:703 6:3 8:477 12:1938 13:3 14:701 15:11 16:3 17:6 20:27 23:221 24:1793 27:1473 31:1367 32:54 33:2 34:2 36:11 37:1160 38:842 39:2 40:139 41:2599 42:180 44:3 46:1705 47:3 49:531 50:649 52:12 54:28 55:8 57:28 58:1071 59:561 60:236 61:1317 62:1033 63:2021 64:4361 65:2200 66:4499 67:2088 68:1197 69:3334 70:939 71:551 72:1888 74:2619 75:470 76:295 77:1050 78:1034 79:545 80:1214 81:982 82:655 83:532 84:530 85:1165 86:463 87:969 88:360 89:1737 90:304 91:5387 92:610 93:1617 94:1982 95:1618 96:489 97:337 98:983 99:48 100:32 101:298 103:1969 105:501 106:125 107:207 108:508 109:1743 110:839 111:988 112:470 113:742 114:682 115:896 116:900 117:775 118:967 119:1268 120:373 121:707 122:1725 123:1168 124:1315 125:1301 128:810 129:201 130:309 131:641 132:319 133:142 134:255 135:62 136:209 137:232 138:342 139:169 140:182 141:300 142:514 143:355 144:490 145:89 146:520 147:326 148:727 149:335 150:158 151:248 152:398 153:188 154:24 155:413 156:232 157:379 158:256 159:680 160:335 161:422 162:370 163:193 164:587 165:461 166:464 167:569 168:1005 169:131 170:1001 171:164 172:4 173:1590 174:770 175:470 176:950 177:1522 178:1705 180:1361 181:189 182:1148 183:292 184:656 185:155 186:2175 187:1437 188:1910 189:1552 190:6202 192:6103 193:5714 194:4493 195:3607 196:1227 197:287 198:4045 199:5162 200:6024 201:2017 202:8790 203:8730 204:4475 205:2538 206:2799 207:2773 208:4066 209:3665 210:2900 211:1560 212:1995 213:1882 214:873 215:91 216:5136 217:1564 218:596 219:323 220:1259 221:544 222:323 223:395 End of report
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