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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Oct 5 20:51:50 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 06 Oct, 2012 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 427627 Prefixes after maximum aggregation: 178902 Deaggregation factor: 2.39 Unique aggregates announced to Internet: 210176 Total ASes present in the Internet Routing Table: 42285 Prefixes per ASN: 10.11 Origin-only ASes present in the Internet Routing Table: 33697 Origin ASes announcing only one prefix: 15772 Transit ASes present in the Internet Routing Table: 5625 Transit-only ASes present in the Internet Routing Table: 145 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 30 Max AS path prepend of ASN ( 36992) 22 Prefixes from unregistered ASNs in the Routing Table: 789 Unregistered ASNs in the Routing Table: 291 Number of 32-bit ASNs allocated by the RIRs: 3352 Number of 32-bit ASNs visible in the Routing Table: 2963 Prefixes from 32-bit ASNs in the Routing Table: 8030 Special use prefixes present in the Routing Table: 12 Prefixes being announced from unallocated address space: 150 Number of addresses announced to Internet: 2604413548 Equivalent to 155 /8s, 60 /16s and 50 /24s Percentage of available address space announced: 70.3 Percentage of allocated address space announced: 70.3 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 93.7 Total number of prefixes smaller than registry allocations: 149866 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 102911 Total APNIC prefixes after maximum aggregation: 32526 APNIC Deaggregation factor: 3.16 Prefixes being announced from the APNIC address blocks: 103613 Unique aggregates announced from the APNIC address blocks: 42879 APNIC Region origin ASes present in the Internet Routing Table: 4770 APNIC Prefixes per ASN: 21.72 APNIC Region origin ASes announcing only one prefix: 1242 APNIC Region transit ASes present in the Internet Routing Table: 777 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: 323 Number of APNIC addresses announced to Internet: 710790048 Equivalent to 42 /8s, 93 /16s and 203 /24s Percentage of available APNIC address space announced: 83.1 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: 154470 Total ARIN prefixes after maximum aggregation: 78240 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 155372 Unique aggregates announced from the ARIN address blocks: 69352 ARIN Region origin ASes present in the Internet Routing Table: 15256 ARIN Prefixes per ASN: 10.18 ARIN Region origin ASes announcing only one prefix: 5767 ARIN Region transit ASes present in the Internet Routing Table: 1596 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 22 Number of ARIN region 32-bit ASNs visible in the Routing Table: 17 Number of ARIN addresses announced to Internet: 1086601856 Equivalent to 64 /8s, 196 /16s and 58 /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: 108678 Total RIPE prefixes after maximum aggregation: 57231 RIPE Deaggregation factor: 1.90 Prefixes being announced from the RIPE address blocks: 111305 Unique aggregates announced from the RIPE address blocks: 71705 RIPE Region origin ASes present in the Internet Routing Table: 16893 RIPE Prefixes per ASN: 6.59 RIPE Region origin ASes announcing only one prefix: 8136 RIPE Region transit ASes present in the Internet Routing Table: 2722 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 30 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1925 Number of RIPE addresses announced to Internet: 647652644 Equivalent to 38 /8s, 154 /16s and 101 /24s Percentage of available RIPE address space announced: 94.2 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: 43672 Total LACNIC prefixes after maximum aggregation: 8610 LACNIC Deaggregation factor: 5.07 Prefixes being announced from the LACNIC address blocks: 46973 Unique aggregates announced from the LACNIC address blocks: 22575 LACNIC Region origin ASes present in the Internet Routing Table: 1661 LACNIC Prefixes per ASN: 28.28 LACNIC Region origin ASes announcing only one prefix: 453 LACNIC Region transit ASes present in the Internet Routing Table: 317 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: 692 Number of LACNIC addresses announced to Internet: 117172520 Equivalent to 6 /8s, 251 /16s and 233 /24s Percentage of available LACNIC address space announced: 69.8 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: 9742 Total AfriNIC prefixes after maximum aggregation: 2237 AfriNIC Deaggregation factor: 4.35 Prefixes being announced from the AfriNIC address blocks: 10214 Unique aggregates announced from the AfriNIC address blocks: 3532 AfriNIC Region origin ASes present in the Internet Routing Table: 563 AfriNIC Prefixes per ASN: 18.14 AfriNIC Region origin ASes announcing only one prefix: 174 AfriNIC Region transit ASes present in the Internet Routing Table: 126 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: 41908992 Equivalent to 2 /8s, 127 /16s and 123 /24s Percentage of available AfriNIC address space announced: 41.6 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 2972 11428 904 Korea Telecom (KIX) 17974 2362 830 54 PT TELEKOMUNIKASI INDONESIA 7545 1764 301 86 TPG Internet Pty Ltd 4755 1626 387 163 TATA Communications formerly 9829 1396 1154 41 BSNL National Internet Backbo 9583 1223 90 517 Sify Limited 4808 1122 2046 317 CNCGROUP IP network: China169 7552 1064 1062 11 Vietel Corporation 24560 1034 385 162 Bharti Airtel Ltd., Telemedia 9498 1018 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 6389 3234 3728 174 bellsouth.net, inc. 7029 3166 990 161 Windstream Communications Inc 18566 2084 382 180 Covad Communications 1785 1924 678 128 PaeTec Communications, Inc. 22773 1903 2931 128 Cox Communications, Inc. 20115 1656 1582 618 Charter Communications 4323 1577 1154 387 Time Warner Telecom 30036 1349 270 757 Mediacom Communications Corp 7018 1267 10304 842 AT&T WorldNet Services 7011 1205 329 699 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 1734 544 16 Corbina telecom 2118 1399 97 14 EUnet/RELCOM Autonomous Syste 12479 847 776 68 Uni2 Autonomous System 34984 793 206 180 BILISIM TELEKOM 31148 722 37 9 FreeNet ISP 6830 721 2313 445 UPC Distribution Services 20940 700 222 532 Akamai Technologies European 13188 698 92 147 Educational Network 58113 631 70 366 LIR DATACENTER TELECOM SRL 8551 576 364 61 Bezeq International 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 2200 379 222 TVCABLE BOGOTA 28573 2122 1269 58 NET Servicos de Comunicao S.A 8151 1594 3047 354 UniNet S.A. de C.V. 7303 1566 1035 202 Telecom Argentina Stet-France 6503 1538 435 69 AVANTEL, S.A. 27947 724 74 91 Telconet S.A 3816 643 309 70 Empresa Nacional de Telecomun 11172 594 101 67 Servicios Alestra S.A de C.V 14420 589 87 101 CORPORACION NACIONAL DE TELEC 22047 580 326 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 891 275 36 LINKdotNET AS number 36998 772 48 3 MOBITEL 8452 714 958 13 TEDATA 6713 517 650 19 Itissalat Al-MAGHRIB 24835 269 80 8 RAYA Telecom - Egypt 3741 267 906 225 The Internet Solution 12258 194 28 66 Vodacom Internet Company 15706 192 32 6 Sudatel Internet Exchange Aut 29975 191 667 21 Vodacom 16637 172 682 85 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 6389 3234 3728 174 bellsouth.net, inc. 7029 3166 990 161 Windstream Communications Inc 4766 2972 11428 904 Korea Telecom (KIX) 17974 2362 830 54 PT TELEKOMUNIKASI INDONESIA 10620 2200 379 222 TVCABLE BOGOTA 28573 2122 1269 58 NET Servicos de Comunicao S.A 18566 2084 382 180 Covad Communications 1785 1924 678 128 PaeTec Communications, Inc. 22773 1903 2931 128 Cox Communications, Inc. 7545 1764 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 3166 3005 Windstream Communications Inc 17974 2362 2308 PT TELEKOMUNIKASI INDONESIA 4766 2972 2068 Korea Telecom (KIX) 28573 2122 2064 NET Servicos de Comunicao S.A 10620 2200 1978 TVCABLE BOGOTA 18566 2084 1904 Covad Communications 1785 1924 1796 PaeTec Communications, Inc. 22773 1903 1775 Cox Communications, Inc. 8402 1734 1718 Corbina telecom 7545 1764 1678 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 59414 UNALLOCATED 5.102.144.0/21 15576 Nextra backbone in D 59395 UNALLOCATED 5.133.16.0/21 12658 Dexterity Networks L 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 59581 UNALLOCATED 5.149.8.0/21 25577 C4L main AS 59457 UNALLOCATED 5.149.64.0/24 35567 DASTO semtel d.o.o. 59457 UNALLOCATED 5.149.64.0/19 35567 DASTO semtel d.o.o. Complete listing at http://thyme.rand.apnic.net/current/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 128.0.24.0/21 41794 Altline LLC 128.0.64.0/22 49466 Declic Telecom SAS 128.0.68.0/22 49466 Declic Telecom SAS 128.0.80.0/20 52041 Timer LTD 128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol 128.0.128.0/20 29285 AMT closed joint-stock compan 128.0.144.0/22 59675 >>UNKNOWN<< 128.0.160.0/21 23456 32-bit ASN transition 128.0.168.0/21 15772 W-NET Kiev 128.0.170.0/24 24685 ISP Elencom autonomous system Complete listing at http://thyme.rand.apnic.net/current/data-dsua Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 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 41.220.80.0/24 38925 DAC AS Germany 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 /9:14 /10:29 /11:87 /12:241 /13:477 /14:846 /15:1541 /16:12439 /17:6488 /18:10864 /19:21105 /20:30363 /21:32352 /22:42772 /23:40053 /24:223715 /25:1354 /26:1670 /27:912 /28:181 /29:65 /30:17 /31:0 /32:24 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 7029 2649 3166 Windstream Communications Inc 18566 2034 2084 Covad Communications 6389 1802 3234 bellsouth.net, inc. 8402 1448 1734 Corbina telecom 30036 1281 1349 Mediacom Communications Corp 22773 1244 1903 Cox Communications, Inc. 11492 1164 1201 Cable One 6503 1054 1538 AVANTEL, S.A. 1785 1016 1924 PaeTec Communications, Inc. 7011 944 1205 Citizens Utilities Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:627 2:711 3:1 4:13 5:553 6:3 8:467 12:1975 13:1 14:670 15:11 16:3 17:6 20:27 23:201 24:1784 27:1367 31:1022 32:54 33:2 34:2 36:7 37:838 38:829 39:2 40:133 41:2928 42:158 44:3 46:1612 47:2 49:459 50:593 52:12 54:22 55:8 56:3 57:27 58:988 59:542 60:238 61:1288 62:939 63:1997 64:4282 65:2234 66:4512 67:2107 68:1170 69:3222 70:986 71:514 72:1875 74:2600 75:484 76:305 77:967 78:977 79:469 80:1242 81:968 82:635 83:537 84:520 85:1159 86:486 87:929 88:364 89:1801 90:303 91:5235 92:593 93:1520 94:1623 95:1098 96:395 97:325 98:963 99:39 100:24 101:264 103:1631 105:512 106:120 107:199 108:466 109:1559 110:803 111:956 112:445 113:711 114:622 115:893 116:888 117:733 118:956 119:1226 120:341 121:688 122:1635 123:1165 124:1332 125:1281 128:562 129:192 130:282 131:635 132:303 133:22 134:251 135:62 136:220 137:239 138:338 139:171 140:498 141:282 142:490 143:385 144:490 145:85 146:518 147:276 148:748 149:326 150:160 151:195 152:451 153:178 154:20 155:422 156:225 157:374 158:258 159:660 160:345 161:410 162:366 163:191 164:698 165:425 166:526 167:554 168:987 169:127 170:911 171:149 172:7 173:1676 174:621 175:446 176:777 177:1258 178:1613 180:1344 181:149 182:1062 183:297 184:608 185:23 186:2187 187:1286 188:1718 189:1589 190:5805 192:6036 193:5729 194:4614 195:3660 196:1229 197:228 198:3829 199:5054 200:6002 201:1962 202:8658 203:8719 204:4400 205:2532 206:2766 207:2834 208:4045 209:3638 210:2848 211:1530 212:2013 213:1812 214:881 215:87 216:5125 217:1573 218:572 219:313 220:1250 221:534 222:337 223:415 End of report
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