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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Nov 30 19:55:37 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 01 Dec, 2012 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 434185 Prefixes after maximum aggregation: 180393 Deaggregation factor: 2.41 Unique aggregates announced to Internet: 212775 Total ASes present in the Internet Routing Table: 42729 Prefixes per ASN: 10.16 Origin-only ASes present in the Internet Routing Table: 33874 Origin ASes announcing only one prefix: 15815 Transit ASes present in the Internet Routing Table: 5690 Transit-only ASes present in the Internet Routing Table: 135 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 41 Max AS path prepend of ASN ( 22394) 35 Prefixes from unregistered ASNs in the Routing Table: 1103 Unregistered ASNs in the Routing Table: 406 Number of 32-bit ASNs allocated by the RIRs: 3544 Number of 32-bit ASNs visible in the Routing Table: 3165 Prefixes from 32-bit ASNs in the Routing Table: 8591 Special use prefixes present in the Routing Table: 15 Prefixes being announced from unallocated address space: 146 Number of addresses announced to Internet: 2614823628 Equivalent to 155 /8s, 219 /16s and 10 /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: 153016 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 104809 Total APNIC prefixes after maximum aggregation: 32640 APNIC Deaggregation factor: 3.21 Prefixes being announced from the APNIC address blocks: 105681 Unique aggregates announced from the APNIC address blocks: 43268 APNIC Region origin ASes present in the Internet Routing Table: 4800 APNIC Prefixes per ASN: 22.02 APNIC Region origin ASes announcing only one prefix: 1244 APNIC Region transit ASes present in the Internet Routing Table: 786 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: 375 Number of APNIC addresses announced to Internet: 715311872 Equivalent to 42 /8s, 162 /16s and 203 /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: 155613 Total ARIN prefixes after maximum aggregation: 78549 ARIN Deaggregation factor: 1.98 Prefixes being announced from the ARIN address blocks: 156347 Unique aggregates announced from the ARIN address blocks: 69911 ARIN Region origin ASes present in the Internet Routing Table: 15313 ARIN Prefixes per ASN: 10.21 ARIN Region origin ASes announcing only one prefix: 5771 ARIN Region transit ASes present in the Internet Routing Table: 1598 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 41 Number of ARIN region 32-bit ASNs visible in the Routing Table: 18 Number of ARIN addresses announced to Internet: 1087539840 Equivalent to 64 /8s, 210 /16s and 138 /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: 110794 Total RIPE prefixes after maximum aggregation: 57939 RIPE Deaggregation factor: 1.91 Prefixes being announced from the RIPE address blocks: 113671 Unique aggregates announced from the RIPE address blocks: 73036 RIPE Region origin ASes present in the Internet Routing Table: 16973 RIPE Prefixes per ASN: 6.70 RIPE Region origin ASes announcing only one prefix: 8130 RIPE Region transit ASes present in the Internet Routing Table: 2750 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: 2051 Number of RIPE addresses announced to Internet: 648513060 Equivalent to 38 /8s, 167 /16s and 134 /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: 44625 Total LACNIC prefixes after maximum aggregation: 8910 LACNIC Deaggregation factor: 5.01 Prefixes being announced from the LACNIC address blocks: 48145 Unique aggregates announced from the LACNIC address blocks: 22869 LACNIC Region origin ASes present in the Internet Routing Table: 1732 LACNIC Prefixes per ASN: 27.80 LACNIC Region origin ASes announcing only one prefix: 496 LACNIC Region transit ASes present in the Internet Routing Table: 330 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 27 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 715 Number of LACNIC addresses announced to Internet: 120089384 Equivalent to 7 /8s, 40 /16s and 107 /24s Percentage of available LACNIC address space announced: 71.6 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: 9637 Total AfriNIC prefixes after maximum aggregation: 2298 AfriNIC Deaggregation factor: 4.19 Prefixes being announced from the AfriNIC address blocks: 10195 Unique aggregates announced from the AfriNIC address blocks: 3564 AfriNIC Region origin ASes present in the Internet Routing Table: 578 AfriNIC Prefixes per ASN: 17.64 AfriNIC Region origin ASes announcing only one prefix: 174 AfriNIC Region transit ASes present in the Internet Routing Table: 131 Average AfriNIC Region AS path length visible: 4.7 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6 Number of AfriNIC addresses announced to Internet: 43071488 Equivalent to 2 /8s, 145 /16s and 56 /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 2942 11557 900 Korea Telecom (KIX) 17974 2431 826 46 PT TELEKOMUNIKASI INDONESIA 7545 1811 301 90 TPG Internet Pty Ltd 4755 1625 374 159 TATA Communications formerly 9829 1412 1155 42 BSNL National Internet Backbo 9583 1182 88 499 Sify Limited 7552 1142 1062 11 Vietel Corporation 4808 1126 2056 317 CNCGROUP IP network: China169 24560 1040 385 165 Bharti Airtel Ltd., Telemedia 9498 1032 310 74 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 3196 994 218 Windstream Communications Inc 6389 3145 3719 148 bellsouth.net, inc. 18566 2083 382 180 Covad Communications 22773 1938 2932 131 Cox Communications, Inc. 1785 1935 678 124 PaeTec Communications, Inc. 20115 1684 1607 625 Charter Communications 4323 1589 1153 394 Time Warner Telecom 30036 1360 280 750 Mediacom Communications Corp 7018 1279 10275 848 AT&T WorldNet Services 7011 1223 334 693 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 1715 544 16 Corbina telecom 12479 856 777 64 Uni2 Autonomous System 34984 849 210 215 BILISIM TELEKOM 2118 784 97 15 EUnet/RELCOM Autonomous Syste 13188 742 94 132 Educational Network 31148 738 38 13 FreeNet ISP 6830 717 2313 436 UPC Distribution Services 20940 705 227 545 Akamai Technologies European 8551 603 367 39 Bezeq International 58113 603 68 366 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 2261 386 206 TVCABLE BOGOTA 28573 2160 1285 66 NET Servicos de Comunicao S.A 7303 1668 1138 201 Telecom Argentina Stet-France 8151 1601 3022 356 UniNet S.A. de C.V. 6503 1538 435 67 AVANTEL, S.A. 27947 754 77 92 Telconet S.A 3816 659 309 70 Empresa Nacional de Telecomun 11172 603 85 68 Servicios Alestra S.A de C.V 18881 595 716 18 Global Village Telecom 7738 579 1178 33 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 873 274 36 LINKdotNET AS number 36998 772 48 3 MOBITEL 8452 536 958 13 TEDATA 6713 519 666 20 Itissalat Al-MAGHRIB 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 179 697 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 3196 994 218 Windstream Communications Inc 6389 3145 3719 148 bellsouth.net, inc. 4766 2942 11557 900 Korea Telecom (KIX) 17974 2431 826 46 PT TELEKOMUNIKASI INDONESIA 10620 2261 386 206 TVCABLE BOGOTA 28573 2160 1285 66 NET Servicos de Comunicao S.A 18566 2083 382 180 Covad Communications 22773 1938 2932 131 Cox Communications, Inc. 1785 1935 678 124 PaeTec Communications, Inc. 7545 1811 301 90 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 3145 2997 bellsouth.net, inc. 17974 2431 2385 PT TELEKOMUNIKASI INDONESIA 28573 2160 2094 NET Servicos de Comunicao S.A 10620 2261 2055 TVCABLE BOGOTA 4766 2942 2042 Korea Telecom (KIX) 18566 2083 1903 Covad Communications 1785 1935 1811 PaeTec Communications, Inc. 22773 1938 1807 Cox Communications, Inc. 7545 1811 1721 TPG Internet Pty Ltd 8402 1715 1699 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 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 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 64.187.209.0/24 23005 Power Pulse 65.111.1.0/24 32258 SDN Global 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 /12:243 /13:478 /14:858 /15:1555 /16:12467 /17:6553 /18:10881 /19:21495 /20:30777 /21:32846 /22:43646 /23:40544 /24:227407 /25:1363 /26:1734 /27:885 /28:184 /29:79 /30:17 /31:0 /32:25 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 7029 2620 3196 Windstream Communications Inc 18566 2033 2083 Covad Communications 6389 1781 3145 bellsouth.net, inc. 8402 1424 1715 Corbina telecom 22773 1273 1938 Cox Communications, Inc. 30036 1273 1360 Mediacom Communications Corp 11492 1146 1181 Cable One 6503 1054 1538 AVANTEL, S.A. 1785 1021 1935 PaeTec Communications, Inc. 7011 958 1223 Citizens Utilities Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:646 2:753 3:1 4:13 5:660 6:3 8:488 12:1953 13:3 14:701 15:10 16:3 17:6 20:27 23:217 24:1779 27:1416 31:1297 32:54 33:2 34:2 36:7 37:1057 38:845 39:2 40:140 41:2624 42:179 44:3 46:1699 47:3 49:507 50:619 52:12 54:27 55:7 57:28 58:1067 59:550 60:234 61:1287 62:1026 63:2022 64:4332 65:2200 66:4499 67:2100 68:1165 69:3238 70:926 71:557 72:1893 74:2622 75:479 76:299 77:986 78:1020 79:506 80:1227 81:982 82:632 83:540 84:529 85:1159 86:477 87:960 88:354 89:1744 90:305 91:5352 92:590 93:1574 94:2014 95:1202 96:408 97:323 98:972 99:40 100:31 101:285 103:1868 105:516 106:119 107:202 108:487 109:1669 110:814 111:972 112:459 113:737 114:643 115:898 116:888 117:777 118:962 119:1253 120:376 121:678 122:1738 123:1179 124:1326 125:1290 128:572 129:201 130:294 131:666 132:317 133:143 134:254 135:62 136:215 137:238 138:340 139:168 140:492 141:294 142:499 143:363 144:492 145:83 146:523 147:287 148:735 149:330 150:155 151:221 152:398 153:183 154:22 155:440 156:226 157:375 158:279 159:673 160:335 161:414 162:370 163:192 164:581 165:449 166:479 167:561 168:980 169:130 170:977 171:151 172:6 173:1699 174:640 175:441 176:889 177:1451 178:1681 180:1351 181:178 182:1116 183:303 184:621 185:104 186:2065 187:1437 188:1790 189:1603 190:5975 192:6064 193:5428 194:4395 195:3659 196:1238 197:272 198:3951 199:5098 200:6018 201:1971 202:8803 203:8741 204:4439 205:2554 206:2759 207:2802 208:4067 209:3651 210:2900 211:1527 212:2149 213:1870 214:886 215:74 216:5180 217:1605 218:588 219:311 220:1258 221:533 222:336 223:419 End of report
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