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 22 Dec, 2012 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 438165 Prefixes after maximum aggregation: 180937 Deaggregation factor: 2.42 Unique aggregates announced to Internet: 215621 Total ASes present in the Internet Routing Table: 42906 Prefixes per ASN: 10.21 Origin-only ASes present in the Internet Routing Table: 33973 Origin ASes announcing only one prefix: 15870 Transit ASes present in the Internet Routing Table: 5700 Transit-only ASes present in the Internet Routing Table: 138 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: 1211 Unregistered ASNs in the Routing Table: 437 Number of 32-bit ASNs allocated by the RIRs: 3595 Number of 32-bit ASNs visible in the Routing Table: 3233 Prefixes from 32-bit ASNs in the Routing Table: 8730 Special use prefixes present in the Routing Table: 15 Prefixes being announced from unallocated address space: 175 Number of addresses announced to Internet: 2620290828 Equivalent to 156 /8s, 46 /16s and 119 /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: 154819 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 105281 Total APNIC prefixes after maximum aggregation: 32772 APNIC Deaggregation factor: 3.21 Prefixes being announced from the APNIC address blocks: 106205 Unique aggregates announced from the APNIC address blocks: 43419 APNIC Region origin ASes present in the Internet Routing Table: 4807 APNIC Prefixes per ASN: 22.09 APNIC Region origin ASes announcing only one prefix: 1243 APNIC Region transit ASes present in the Internet Routing Table: 792 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 23 Number of APNIC region 32-bit ASNs visible in the Routing Table: 389 Number of APNIC addresses announced to Internet: 716469376 Equivalent to 42 /8s, 180 /16s and 116 /24s Percentage of available APNIC address space announced: 83.7 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: 156086 Total ARIN prefixes after maximum aggregation: 78438 ARIN Deaggregation factor: 1.99 Prefixes being announced from the ARIN address blocks: 156771 Unique aggregates announced from the ARIN address blocks: 70691 ARIN Region origin ASes present in the Internet Routing Table: 15356 ARIN Prefixes per ASN: 10.21 ARIN Region origin ASes announcing only one prefix: 5800 ARIN Region transit ASes present in the Internet Routing Table: 1591 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 18 Number of ARIN addresses announced to Internet: 1089414016 Equivalent to 64 /8s, 239 /16s and 35 /24s Percentage of available ARIN address space announced: 57.6 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: 112749 Total RIPE prefixes after maximum aggregation: 58303 RIPE Deaggregation factor: 1.93 Prefixes being announced from the RIPE address blocks: 115652 Unique aggregates announced from the RIPE address blocks: 74554 RIPE Region origin ASes present in the Internet Routing Table: 17002 RIPE Prefixes per ASN: 6.80 RIPE Region origin ASes announcing only one prefix: 8144 RIPE Region transit ASes present in the Internet Routing Table: 2761 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: 2091 Number of RIPE addresses announced to Internet: 650235364 Equivalent to 38 /8s, 193 /16s and 205 /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: 45459 Total LACNIC prefixes after maximum aggregation: 9016 LACNIC Deaggregation factor: 5.04 Prefixes being announced from the LACNIC address blocks: 49029 Unique aggregates announced from the LACNIC address blocks: 23167 LACNIC Region origin ASes present in the Internet Routing Table: 1751 LACNIC Prefixes per ASN: 28.00 LACNIC Region origin ASes announcing only one prefix: 493 LACNIC Region transit ASes present in the Internet Routing Table: 336 Average LACNIC Region AS path length visible: 4.6 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 729 Number of LACNIC addresses announced to Internet: 120904232 Equivalent to 7 /8s, 52 /16s and 218 /24s Percentage of available LACNIC address space announced: 72.1 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: 9738 Total AfriNIC prefixes after maximum aggregation: 2355 AfriNIC Deaggregation factor: 4.14 Prefixes being announced from the AfriNIC address blocks: 10333 Unique aggregates announced from the AfriNIC address blocks: 3634 AfriNIC Region origin ASes present in the Internet Routing Table: 588 AfriNIC Prefixes per ASN: 17.57 AfriNIC Region origin ASes announcing only one prefix: 190 AfriNIC Region transit ASes present in the Internet Routing Table: 130 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: 42899456 Equivalent to 2 /8s, 142 /16s and 152 /24s Percentage of available AfriNIC address space announced: 42.6 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 2926 11556 908 Korea Telecom (KIX) 17974 2488 829 54 PT TELEKOMUNIKASI INDONESIA 7545 1816 301 89 TPG Internet Pty Ltd 4755 1661 381 174 TATA Communications formerly 9829 1415 1156 42 BSNL National Internet Backbo 9583 1182 88 502 Sify Limited 7552 1148 1070 12 Vietel Corporation 4808 1123 2040 316 CNCGROUP IP network: China169 9498 1038 307 69 BHARTI Airtel Ltd. 24560 1037 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 3473 1010 215 Windstream Communications Inc 6389 3120 3717 132 bellsouth.net, inc. 18566 2081 382 180 Covad Communications 22773 1947 2932 131 Cox Communications, Inc. 1785 1941 678 125 PaeTec Communications, Inc. 20115 1692 1608 622 Charter Communications 4323 1596 1155 396 Time Warner Telecom 30036 1382 292 716 Mediacom Communications Corp 7018 1293 10533 854 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 1756 544 16 Corbina telecom 2118 1052 97 15 EUnet/RELCOM Autonomous Syste 34984 884 211 230 BILISIM TELEKOM 12479 869 777 64 Uni2 Autonomous System 13188 765 95 121 Educational Network 31148 743 38 15 FreeNet ISP 20940 725 238 564 Akamai Technologies European 6830 714 2313 435 UPC Distribution Services 58113 633 70 378 LIR DATACENTER TELECOM SRL 8551 619 367 39 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 2268 387 206 TVCABLE BOGOTA 28573 2249 1298 69 NET Servicos de Comunicao S.A 7303 1674 1139 202 Telecom Argentina Stet-France 8151 1574 2970 352 UniNet S.A. de C.V. 6503 1453 435 67 AVANTEL, S.A. 27947 766 85 94 Telconet S.A 18881 740 716 18 Global Village Telecom 3816 662 309 71 Empresa Nacional de Telecomun 11172 601 86 66 Servicios Alestra S.A de C.V 7738 588 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 874 275 36 LINKdotNET AS number 36998 749 48 3 MOBITEL 8452 557 958 13 TEDATA 6713 485 602 20 Itissalat Al-MAGHRIB 24835 291 80 8 RAYA Telecom - Egypt 3741 267 906 225 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 3473 1010 215 Windstream Communications Inc 6389 3120 3717 132 bellsouth.net, inc. 4766 2926 11556 908 Korea Telecom (KIX) 17974 2488 829 54 PT TELEKOMUNIKASI INDONESIA 10620 2268 387 206 TVCABLE BOGOTA 28573 2249 1298 69 NET Servicos de Comunicao S.A 18566 2081 382 180 Covad Communications 22773 1947 2932 131 Cox Communications, Inc. 1785 1941 678 125 PaeTec Communications, Inc. 7545 1816 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 3120 2988 bellsouth.net, inc. 17974 2488 2434 PT TELEKOMUNIKASI INDONESIA 28573 2249 2180 NET Servicos de Comunicao S.A 10620 2268 2062 TVCABLE BOGOTA 4766 2926 2018 Korea Telecom (KIX) 18566 2081 1901 Covad Communications 22773 1947 1816 Cox Communications, Inc. 1785 1941 1816 PaeTec Communications, Inc. 8402 1756 1740 Corbina telecom 7545 1816 1727 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 61309 UNALLOCATED 5.1.96.0/21 41562 Host4all Sarl 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 61395 UNALLOCATED 5.83.60.0/22 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 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 128.0.16.0/21 43568 RIPE Network Coordination Cen 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<< 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<< 64.185.224.0/24 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 /12:244 /13:477 /14:858 /15:1544 /16:12488 /17:6566 /18:10963 /19:21629 /20:30998 /21:33005 /22:44366 /23:40789 /24:229935 /25:1310 /26:1688 /27:856 /28:182 /29:81 /30:17 /31:0 /32:22 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 7029 2728 3473 Windstream Communications Inc 18566 2031 2081 Covad Communications 6389 1775 3120 bellsouth.net, inc. 8402 1481 1756 Corbina telecom 30036 1285 1382 Mediacom Communications Corp 22773 1279 1947 Cox Communications, Inc. 11492 1156 1193 Cable One 1785 1023 1941 PaeTec Communications, Inc. 6503 980 1453 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) ---------------------------------------------- 1:694 2:718 3:3 4:13 5:697 6:3 8:488 12:1934 13:3 14:701 15:11 16:3 17:6 20:27 23:220 24:1794 27:1466 31:1339 32:54 33:2 34:2 36:11 37:1140 38:844 39:2 40:142 41:2654 42:179 44:3 46:1717 47:3 49:509 50:652 52:12 54:28 55:8 56:1 57:28 58:1068 59:558 60:237 61:1306 62:1037 63:2019 64:4354 65:2201 66:4497 67:2084 68:1202 69:3334 70:937 71:557 72:1895 74:2626 75:476 76:293 77:1037 78:1025 79:519 80:1207 81:980 82:643 83:536 84:531 85:1158 86:458 87:970 88:354 89:1756 90:304 91:5376 92:610 93:1625 94:1971 95:1610 96:487 97:338 98:969 99:40 100:31 101:287 103:1964 105:501 106:117 107:203 108:508 109:1738 110:833 111:980 112:459 113:744 114:643 115:904 116:891 117:778 118:966 119:1266 120:375 121:708 122:1730 123:1173 124:1320 125:1296 128:808 129:200 130:304 131:643 132:316 133:142 134:255 135:62 136:215 137:235 138:344 139:169 140:182 141:300 142:514 143:351 144:488 145:89 146:517 147:324 148:728 149:334 150:147 151:239 152:399 153:187 154:23 155:444 156:231 157:381 158:257 159:685 160:334 161:416 162:371 163:192 164:577 165:457 166:475 167:570 168:1003 169:133 170:1008 171:164 172:4 173:1654 174:628 175:464 176:879 177:1484 178:1742 180:1357 181:189 182:1116 183:294 184:633 185:135 186:2145 187:1432 188:1889 189:1570 190:6187 192:6085 193:5711 194:4490 195:3596 196:1247 197:291 198:4007 199:5153 200:6046 201:2027 202:8858 203:8744 204:4479 205:2556 206:2827 207:2828 208:4067 209:3655 210:2905 211:1548 212:2108 213:1875 214:862 215:90 216:5186 217:1552 218:595 219:321 220:1259 221:543 222:324 223:374 End of report