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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Nov 23 19:52:49 CET 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 24 Nov, 2012 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 433102 Prefixes after maximum aggregation: 180255 Deaggregation factor: 2.40 Unique aggregates announced to Internet: 212958 Total ASes present in the Internet Routing Table: 42668 Prefixes per ASN: 10.15 Origin-only ASes present in the Internet Routing Table: 33846 Origin ASes announcing only one prefix: 15810 Transit ASes present in the Internet Routing Table: 5685 Transit-only ASes present in the Internet Routing Table: 146 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 40 Max AS path prepend of ASN ( 22394) 36 Prefixes from unregistered ASNs in the Routing Table: 1075 Unregistered ASNs in the Routing Table: 391 Number of 32-bit ASNs allocated by the RIRs: 3517 Number of 32-bit ASNs visible in the Routing Table: 3137 Prefixes from 32-bit ASNs in the Routing Table: 8493 Special use prefixes present in the Routing Table: 15 Prefixes being announced from unallocated address space: 142 Number of addresses announced to Internet: 2614015436 Equivalent to 155 /8s, 206 /16s and 181 /24s Percentage of available address space announced: 70.6 Percentage of allocated address space announced: 70.6 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 93.9 Total number of prefixes smaller than registry allocations: 152688 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 104685 Total APNIC prefixes after maximum aggregation: 32638 APNIC Deaggregation factor: 3.21 Prefixes being announced from the APNIC address blocks: 105522 Unique aggregates announced from the APNIC address blocks: 43207 APNIC Region origin ASes present in the Internet Routing Table: 4790 APNIC Prefixes per ASN: 22.03 APNIC Region origin ASes announcing only one prefix: 1245 APNIC Region transit ASes present in the Internet Routing Table: 785 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: 369 Number of APNIC addresses announced to Internet: 714988544 Equivalent to 42 /8s, 157 /16s and 220 /24s Percentage of available APNIC address space announced: 83.6 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: 155445 Total ARIN prefixes after maximum aggregation: 78480 ARIN Deaggregation factor: 1.98 Prefixes being announced from the ARIN address blocks: 156204 Unique aggregates announced from the ARIN address blocks: 70101 ARIN Region origin ASes present in the Internet Routing Table: 15305 ARIN Prefixes per ASN: 10.21 ARIN Region origin ASes announcing only one prefix: 5768 ARIN Region transit ASes present in the Internet Routing Table: 1600 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 40 Number of ARIN region 32-bit ASNs visible in the Routing Table: 17 Number of ARIN addresses announced to Internet: 1087357824 Equivalent to 64 /8s, 207 /16s and 195 /24s Percentage of available ARIN address space announced: 57.5 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: 110433 Total RIPE prefixes after maximum aggregation: 57925 RIPE Deaggregation factor: 1.91 Prefixes being announced from the RIPE address blocks: 113258 Unique aggregates announced from the RIPE address blocks: 73050 RIPE Region origin ASes present in the Internet Routing Table: 16968 RIPE Prefixes per ASN: 6.67 RIPE Region origin ASes announcing only one prefix: 8133 RIPE Region transit ASes present in the Internet Routing Table: 2751 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 2029 Number of RIPE addresses announced to Internet: 648840484 Equivalent to 38 /8s, 172 /16s and 133 /24s Percentage of available RIPE address space announced: 94.3 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: 44379 Total LACNIC prefixes after maximum aggregation: 8880 LACNIC Deaggregation factor: 5.00 Prefixes being announced from the LACNIC address blocks: 47907 Unique aggregates announced from the LACNIC address blocks: 22966 LACNIC Region origin ASes present in the Internet Routing Table: 1715 LACNIC Prefixes per ASN: 27.93 LACNIC Region origin ASes announcing only one prefix: 487 LACNIC Region transit ASes present in the Internet Routing Table: 328 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 24 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 716 Number of LACNIC addresses announced to Internet: 119525160 Equivalent to 7 /8s, 31 /16s and 207 /24s Percentage of available LACNIC address space announced: 71.2 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: 9551 Total AfriNIC prefixes after maximum aggregation: 2277 AfriNIC Deaggregation factor: 4.19 Prefixes being announced from the AfriNIC address blocks: 10069 Unique aggregates announced from the AfriNIC address blocks: 3511 AfriNIC Region origin ASes present in the Internet Routing Table: 574 AfriNIC Prefixes per ASN: 17.54 AfriNIC Region origin ASes announcing only one prefix: 177 AfriNIC Region transit ASes present in the Internet Routing Table: 129 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: 43010560 Equivalent to 2 /8s, 144 /16s and 74 /24s Percentage of available AfriNIC address space announced: 42.7 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 2949 11557 900 Korea Telecom (KIX) 17974 2431 826 46 PT TELEKOMUNIKASI INDONESIA 7545 1802 301 89 TPG Internet Pty Ltd 4755 1622 374 158 TATA Communications formerly 9829 1411 1155 42 BSNL National Internet Backbo 9583 1181 88 498 Sify Limited 7552 1140 1062 11 Vietel Corporation 4808 1126 2056 317 CNCGROUP IP network: China169 24560 1040 385 165 Bharti Airtel Ltd., Telemedia 9498 1028 310 75 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 7029 3201 991 190 Windstream Communications Inc 6389 3152 3720 151 bellsouth.net, inc. 18566 2084 382 180 Covad Communications 22773 1945 2931 129 Cox Communications, Inc. 1785 1932 678 126 PaeTec Communications, Inc. 20115 1684 1607 625 Charter Communications 4323 1587 1153 393 Time Warner Telecom 30036 1365 281 749 Mediacom Communications Corp 7018 1281 10276 851 AT&T WorldNet Services 7011 1222 334 692 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 1765 544 16 Corbina telecom 12479 857 777 64 Uni2 Autonomous System 34984 848 210 214 BILISIM TELEKOM 13188 739 94 130 Educational Network 31148 731 37 9 FreeNet ISP 6830 716 2313 435 UPC Distribution Services 20940 710 228 548 Akamai Technologies European 58113 602 67 365 LIR DATACENTER TELECOM SRL 8551 601 367 39 Bezeq International 2118 595 97 14 EUnet/RELCOM Autonomous Syste 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 2260 386 205 TVCABLE BOGOTA 28573 2178 1285 66 NET Servicos de Comunicao S.A 7303 1668 1138 201 Telecom Argentina Stet-France 8151 1600 3045 361 UniNet S.A. de C.V. 6503 1538 435 67 AVANTEL, S.A. 27947 752 77 92 Telconet S.A 3816 660 309 70 Empresa Nacional de Telecomun 11172 603 85 68 Servicios Alestra S.A de C.V 18881 594 716 18 Global Village Telecom 22047 579 326 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 24863 871 274 36 LINKdotNET AS number 36998 772 48 3 MOBITEL 6713 518 666 20 Itissalat Al-MAGHRIB 8452 515 958 13 TEDATA 24835 289 80 8 RAYA Telecom - Egypt 3741 268 906 225 The Internet Solution 12258 194 28 66 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 3201 991 190 Windstream Communications Inc 6389 3152 3720 151 bellsouth.net, inc. 4766 2949 11557 900 Korea Telecom (KIX) 17974 2431 826 46 PT TELEKOMUNIKASI INDONESIA 10620 2260 386 205 TVCABLE BOGOTA 28573 2178 1285 66 NET Servicos de Comunicao S.A 18566 2084 382 180 Covad Communications 22773 1945 2931 129 Cox Communications, Inc. 1785 1932 678 126 PaeTec Communications, Inc. 7545 1802 301 89 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 3152 3001 bellsouth.net, inc. 17974 2431 2385 PT TELEKOMUNIKASI INDONESIA 28573 2178 2112 NET Servicos de Comunicao S.A 10620 2260 2055 TVCABLE BOGOTA 4766 2949 2049 Korea Telecom (KIX) 18566 2084 1904 Covad Communications 22773 1945 1816 Cox Communications, Inc. 1785 1932 1806 PaeTec Communications, Inc. 8402 1765 1749 Corbina telecom 7545 1802 1713 TPG Internet Pty Ltd Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 59505 UNALLOCATED 5.2.65.0/24 50673 Serverius AS 59505 UNALLOCATED 5.2.66.0/24 50673 Serverius AS 59530 UNALLOCATED 5.8.182.0/24 31261 GARS Telecom 61408 UNALLOCATED 5.56.0.0/21 174 Cogent Communication 61395 UNALLOCATED 5.83.56.0/22 3292 TDC Tele Danmark 59414 UNALLOCATED 5.102.144.0/21 15576 Nextra backbone in D 59395 UNALLOCATED 5.133.16.0/21 3549 Global Crossing 59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH 59521 UNALLOCATED 5.134.192.0/21 29518 Labs2 59441 UNALLOCATED 5.144.128.0/21 50810 Mobin Net Communicat 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 >>UNKNOWN<< Complete listing at http://thyme.rand.apnic.net/current/data-dsua Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 14.192.20.0/22 45464 Room 201, TGU Bldg 14.192.24.0/22 45464 Room 201, TGU Bldg 27.112.114.0/24 23884 Proimage Engineering and Comm 41.222.80.0/21 37110 Moztel LDA 41.223.108.0/22 36966 >>UNKNOWN<< 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<< 64.187.208.0/24 174 Cogent Communications 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 /11:88 /12:242 /13:477 /14:857 /15:1556 /16:12439 /17:6547 /18:10885 /19:21423 /20:30769 /21:32783 /22:43599 /23:40541 /24:226565 /25:1364 /26:1713 /27:894 /28:178 /29:79 /30:17 /31:0 /32:26 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 7029 2641 3201 Windstream Communications Inc 18566 2034 2084 Covad Communications 6389 1782 3152 bellsouth.net, inc. 8402 1483 1765 Corbina telecom 30036 1279 1365 Mediacom Communications Corp 22773 1275 1945 Cox Communications, Inc. 11492 1145 1180 Cable One 6503 1055 1538 AVANTEL, S.A. 1785 1017 1932 PaeTec Communications, Inc. 7011 957 1222 Citizens Utilities Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:654 2:779 3:1 4:13 5:654 6:3 8:487 12:1958 13:3 14:698 15:11 16:3 17:6 20:27 23:213 24:1779 27:1417 31:1277 32:54 33:2 34:2 36:7 37:1042 38:843 39:2 40:140 41:2612 42:179 44:3 46:1668 47:2 49:506 50:612 52:12 54:27 55:4 57:28 58:1062 59:549 60:234 61:1284 62:1029 63:2025 64:4337 65:2200 66:4513 67:2101 68:1162 69:3232 70:928 71:556 72:1895 74:2617 75:484 76:299 77:993 78:1013 79:505 80:1234 81:985 82:622 83:539 84:523 85:1159 86:514 87:957 88:348 89:1745 90:305 91:5348 92:589 93:1530 94:1815 95:1413 96:409 97:323 98:976 99:40 100:31 101:291 103:1830 105:514 106:119 107:203 108:480 109:1653 110:821 111:983 112:459 113:735 114:686 115:901 116:887 117:779 118:961 119:1241 120:367 121:677 122:1739 123:1170 124:1327 125:1289 128:561 129:201 130:294 131:664 132:310 133:143 134:253 135:62 136:218 137:238 138:340 139:175 140:507 141:290 142:498 143:363 144:483 145:87 146:529 147:265 148:738 149:330 150:148 151:220 152:398 153:183 154:22 155:434 156:227 157:370 158:274 159:670 160:337 161:414 162:370 163:191 164:581 165:449 166:478 167:560 168:976 169:130 170:918 171:149 172:6 173:1707 174:636 175:436 176:735 177:1478 178:1671 180:1384 181:175 182:1113 183:302 184:638 185:90 186:2056 187:1410 188:1773 189:1593 190:5950 192:6050 193:5417 194:4260 195:3591 196:1233 197:270 198:3951 199:5115 200:5955 201:1926 202:8810 203:8714 204:4441 205:2547 206:2774 207:2814 208:4078 209:3590 210:2875 211:1520 212:2132 213:1864 214:868 215:75 216:5199 217:1600 218:583 219:311 220:1258 221:529 222:337 223:414 End of report
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