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@lists.apnic.net For historical data, please see http://thyme.rand.apnic.net. If you have any comments please contact Philip Smith <pfsinoz@gmail.com>. Routing Table Report 04:00 +10GMT Sat 20 Oct, 2012 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 428559 Prefixes after maximum aggregation: 179230 Deaggregation factor: 2.39 Unique aggregates announced to Internet: 210798 Total ASes present in the Internet Routing Table: 42395 Prefixes per ASN: 10.11 Origin-only ASes present in the Internet Routing Table: 33734 Origin ASes announcing only one prefix: 15789 Transit ASes present in the Internet Routing Table: 5646 Transit-only ASes present in the Internet Routing Table: 141 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: 853 Unregistered ASNs in the Routing Table: 317 Number of 32-bit ASNs allocated by the RIRs: 3396 Number of 32-bit ASNs visible in the Routing Table: 3015 Prefixes from 32-bit ASNs in the Routing Table: 8150 Special use prefixes present in the Routing Table: 13 Prefixes being announced from unallocated address space: 159 Number of addresses announced to Internet: 2606837356 Equivalent to 155 /8s, 97 /16s and 46 /24s Percentage of available address space announced: 70.4 Percentage of allocated address space announced: 70.4 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 93.8 Total number of prefixes smaller than registry allocations: 150124 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 103203 Total APNIC prefixes after maximum aggregation: 32571 APNIC Deaggregation factor: 3.17 Prefixes being announced from the APNIC address blocks: 103964 Unique aggregates announced from the APNIC address blocks: 43021 APNIC Region origin ASes present in the Internet Routing Table: 4773 APNIC Prefixes per ASN: 21.78 APNIC Region origin ASes announcing only one prefix: 1245 APNIC Region transit ASes present in the Internet Routing Table: 773 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: 334 Number of APNIC addresses announced to Internet: 711007648 Equivalent to 42 /8s, 97 /16s and 29 /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: 154687 Total ARIN prefixes after maximum aggregation: 78240 ARIN Deaggregation factor: 1.98 Prefixes being announced from the ARIN address blocks: 155549 Unique aggregates announced from the ARIN address blocks: 69508 ARIN Region origin ASes present in the Internet Routing Table: 15279 ARIN Prefixes per ASN: 10.18 ARIN Region origin ASes announcing only one prefix: 5776 ARIN Region transit ASes present in the Internet Routing Table: 1594 Average ARIN Region AS path length visible: 4.2 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: 1086895232 Equivalent to 64 /8s, 200 /16s and 180 /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: 108941 Total RIPE prefixes after maximum aggregation: 57423 RIPE Deaggregation factor: 1.90 Prefixes being announced from the RIPE address blocks: 111567 Unique aggregates announced from the RIPE address blocks: 71809 RIPE Region origin ASes present in the Internet Routing Table: 16909 RIPE Prefixes per ASN: 6.60 RIPE Region origin ASes announcing only one prefix: 8137 RIPE Region transit ASes present in the Internet Routing Table: 2742 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: 1960 Number of RIPE addresses announced to Internet: 648350500 Equivalent to 38 /8s, 165 /16s and 11 /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: 43966 Total LACNIC prefixes after maximum aggregation: 8703 LACNIC Deaggregation factor: 5.05 Prefixes being announced from the LACNIC address blocks: 47340 Unique aggregates announced from the LACNIC address blocks: 22764 LACNIC Region origin ASes present in the Internet Routing Table: 1679 LACNIC Prefixes per ASN: 28.20 LACNIC Region origin ASes announcing only one prefix: 460 LACNIC Region transit ASes present in the Internet Routing Table: 320 Average LACNIC Region AS path length visible: 4.6 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 698 Number of LACNIC addresses announced to Internet: 117995816 Equivalent to 7 /8s, 8 /16s and 121 /24s Percentage of available LACNIC address space announced: 70.3 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: 9492 Total AfriNIC prefixes after maximum aggregation: 2239 AfriNIC Deaggregation factor: 4.24 Prefixes being announced from the AfriNIC address blocks: 9980 Unique aggregates announced from the AfriNIC address blocks: 3557 AfriNIC Region origin ASes present in the Internet Routing Table: 566 AfriNIC Prefixes per ASN: 17.63 AfriNIC Region origin ASes announcing only one prefix: 171 AfriNIC Region transit ASes present in the Internet Routing Table: 128 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: 42290432 Equivalent to 2 /8s, 133 /16s and 77 /24s Percentage of available AfriNIC address space announced: 42.0 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 2968 11430 899 Korea Telecom (KIX) 17974 2366 830 54 PT TELEKOMUNIKASI INDONESIA 7545 1775 301 87 TPG Internet Pty Ltd 4755 1617 387 163 TATA Communications formerly 9829 1409 1154 41 BSNL National Internet Backbo 9583 1199 89 512 Sify Limited 4808 1112 2056 315 CNCGROUP IP network: China169 7552 1090 1062 15 Vietel Corporation 24560 1036 385 162 Bharti Airtel Ltd., Telemedia 9498 1019 307 69 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 3187 3726 166 bellsouth.net, inc. 7029 3136 990 162 Windstream Communications Inc 18566 2084 382 180 Covad Communications 1785 1926 678 126 PaeTec Communications, Inc. 22773 1907 2931 128 Cox Communications, Inc. 20115 1660 1583 615 Charter Communications 4323 1590 1155 392 Time Warner Telecom 30036 1353 269 748 Mediacom Communications Corp 7018 1270 10303 843 AT&T WorldNet Services 7011 1220 333 690 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 1783 544 16 Corbina telecom 2118 1172 97 14 EUnet/RELCOM Autonomous Syste 12479 851 776 64 Uni2 Autonomous System 34984 813 207 189 BILISIM TELEKOM 31148 725 37 9 FreeNet ISP 6830 723 2313 445 UPC Distribution Services 20940 706 223 548 Akamai Technologies European 13188 702 93 144 Educational Network 58113 602 67 364 LIR DATACENTER TELECOM SRL 8551 575 364 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 2194 378 227 TVCABLE BOGOTA 28573 2139 1277 60 NET Servicos de Comunicao S.A 7303 1662 1131 203 Telecom Argentina Stet-France 8151 1590 3028 355 UniNet S.A. de C.V. 6503 1539 435 69 AVANTEL, S.A. 27947 737 74 95 Telconet S.A 3816 649 309 70 Empresa Nacional de Telecomun 11172 596 85 66 Servicios Alestra S.A de C.V 14420 589 87 102 CORPORACION NACIONAL DE TELEC 7738 586 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 895 275 36 LINKdotNET AS number 36998 672 48 3 MOBITEL 8452 644 958 13 TEDATA 6713 516 650 19 Itissalat Al-MAGHRIB 24835 270 80 8 RAYA Telecom - Egypt 3741 266 906 224 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 3187 3726 166 bellsouth.net, inc. 7029 3136 990 162 Windstream Communications Inc 4766 2968 11430 899 Korea Telecom (KIX) 17974 2366 830 54 PT TELEKOMUNIKASI INDONESIA 10620 2194 378 227 TVCABLE BOGOTA 28573 2139 1277 60 NET Servicos de Comunicao S.A 18566 2084 382 180 Covad Communications 1785 1926 678 126 PaeTec Communications, Inc. 22773 1907 2931 128 Cox Communications, Inc. 8402 1783 544 16 Corbina telecom 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 3136 2974 Windstream Communications Inc 17974 2366 2312 PT TELEKOMUNIKASI INDONESIA 28573 2139 2079 NET Servicos de Comunicao S.A 4766 2968 2069 Korea Telecom (KIX) 10620 2194 1967 TVCABLE BOGOTA 18566 2084 1904 Covad Communications 1785 1926 1800 PaeTec Communications, Inc. 22773 1907 1779 Cox Communications, Inc. 8402 1783 1767 Corbina telecom 7545 1775 1688 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 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 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 128.0.72.0/21 23456 32-bit ASN transition 128.0.80.0/20 52041 Timer LTD 128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol 128.0.128.0/20 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 Complete listing at http://thyme.rand.apnic.net/current/data-dsua Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 14.192.12.0/22 45464 Room 201, TGU Bldg 14.192.16.0/22 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 41.220.81.0/24 38925 DAC AS Germany 41.220.94.0/23 42235 Intra Data Communication 41.222.80.0/21 37110 Moztel LDA 41.223.108.0/22 36966 >>UNKNOWN<< 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 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 /12:242 /13:478 /14:849 /15:1547 /16:12450 /17:6502 /18:10844 /19:21201 /20:30464 /21:32460 /22:42916 /23:40154 /24:224076 /25:1352 /26:1684 /27:907 /28:177 /29:66 /30:17 /31:0 /32:25 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 7029 2625 3136 Windstream Communications Inc 18566 2034 2084 Covad Communications 6389 1792 3187 bellsouth.net, inc. 8402 1493 1783 Corbina telecom 30036 1280 1353 Mediacom Communications Corp 22773 1247 1907 Cox Communications, Inc. 11492 1148 1183 Cable One 6503 1054 1539 AVANTEL, S.A. 1785 1016 1926 PaeTec Communications, Inc. 7011 956 1220 Citizens Utilities Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:648 2:771 3:1 4:13 5:576 6:3 8:474 12:1982 13:1 14:669 15:11 16:3 17:6 20:27 23:211 24:1789 27:1369 31:1031 32:54 33:2 34:2 36:7 37:860 38:830 39:2 40:136 41:2757 42:158 44:3 46:1650 47:2 49:455 50:598 52:12 54:25 55:8 56:5 57:27 58:983 59:546 60:236 61:1294 62:940 63:2001 64:4281 65:2231 66:4529 67:2077 68:1153 69:3231 70:987 71:505 72:1868 74:2609 75:481 76:309 77:984 78:981 79:503 80:1233 81:970 82:623 83:542 84:521 85:1153 86:484 87:943 88:360 89:1804 90:304 91:5257 92:584 93:1465 94:1644 95:1143 96:396 97:325 98:973 99:39 100:32 101:269 103:1663 105:428 106:121 107:201 108:484 109:1586 110:805 111:972 112:435 113:727 114:629 115:891 116:895 117:755 118:945 119:1223 120:332 121:689 122:1698 123:1163 124:1340 125:1282 128:569 129:196 130:284 131:611 132:304 133:22 134:250 135:62 136:219 137:241 138:338 139:170 140:492 141:286 142:492 143:380 144:498 145:82 146:507 147:268 148:756 149:331 150:154 151:199 152:448 153:179 154:20 155:431 156:227 157:373 158:258 159:660 160:339 161:412 162:365 163:191 164:706 165:442 166:526 167:555 168:993 169:126 170:920 171:166 172:7 173:1657 174:616 175:453 176:766 177:1285 178:1611 180:1347 181:162 182:1106 183:314 184:608 185:28 186:2218 187:1334 188:1692 189:1599 190:5822 192:6050 193:5535 194:4595 195:3663 196:1230 197:244 198:3864 199:5098 200:5982 201:1969 202:8683 203:8719 204:4413 205:2530 206:2771 207:2804 208:4070 209:3627 210:2834 211:1535 212:2009 213:1851 214:897 215:87 216:5121 217:1570 218:572 219:314 220:1252 221:532 222:337 223:410 End of report