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 23 Mar, 2013 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 446728 Prefixes after maximum aggregation: 183292 Deaggregation factor: 2.44 Unique aggregates announced to Internet: 220037 Total ASes present in the Internet Routing Table: 43605 Prefixes per ASN: 10.24 Origin-only ASes present in the Internet Routing Table: 34346 Origin ASes announcing only one prefix: 16005 Transit ASes present in the Internet Routing Table: 5773 Transit-only ASes present in the Internet Routing Table: 138 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 29 Max AS path prepend of ASN ( 28730) 25 Prefixes from unregistered ASNs in the Routing Table: 380 Unregistered ASNs in the Routing Table: 135 Number of 32-bit ASNs allocated by the RIRs: 4642 Number of 32-bit ASNs visible in the Routing Table: 3486 Prefixes from 32-bit ASNs in the Routing Table: 10051 Special use prefixes present in the Routing Table: 16 Prefixes being announced from unallocated address space: 190 Number of addresses announced to Internet: 2623636172 Equivalent to 156 /8s, 97 /16s and 130 /24s Percentage of available address space announced: 70.9 Percentage of allocated address space announced: 70.9 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 94.4 Total number of prefixes smaller than registry allocations: 157705 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 107650 Total APNIC prefixes after maximum aggregation: 33185 APNIC Deaggregation factor: 3.24 Prefixes being announced from the APNIC address blocks: 108812 Unique aggregates announced from the APNIC address blocks: 44235 APNIC Region origin ASes present in the Internet Routing Table: 4823 APNIC Prefixes per ASN: 22.56 APNIC Region origin ASes announcing only one prefix: 1232 APNIC Region transit ASes present in the Internet Routing Table: 818 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 23 Number of APNIC region 32-bit ASNs visible in the Routing Table: 471 Number of APNIC addresses announced to Internet: 719866944 Equivalent to 42 /8s, 232 /16s and 76 /24s Percentage of available APNIC address space announced: 84.1 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: 157052 Total ARIN prefixes after maximum aggregation: 79231 ARIN Deaggregation factor: 1.98 Prefixes being announced from the ARIN address blocks: 157702 Unique aggregates announced from the ARIN address blocks: 72021 ARIN Region origin ASes present in the Internet Routing Table: 15558 ARIN Prefixes per ASN: 10.14 ARIN Region origin ASes announcing only one prefix: 5892 ARIN Region transit ASes present in the Internet Routing Table: 1613 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 27 Number of ARIN region 32-bit ASNs visible in the Routing Table: 18 Number of ARIN addresses announced to Internet: 1078545024 Equivalent to 64 /8s, 73 /16s and 74 /24s Percentage of available ARIN address space announced: 57.1 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: 114247 Total RIPE prefixes after maximum aggregation: 59056 RIPE Deaggregation factor: 1.93 Prefixes being announced from the RIPE address blocks: 117881 Unique aggregates announced from the RIPE address blocks: 76026 RIPE Region origin ASes present in the Internet Routing Table: 17109 RIPE Prefixes per ASN: 6.89 RIPE Region origin ASes announcing only one prefix: 8154 RIPE Region transit ASes present in the Internet Routing Table: 2789 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 2244 Number of RIPE addresses announced to Internet: 654647012 Equivalent to 39 /8s, 5 /16s and 30 /24s Percentage of available RIPE address space announced: 95.2 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: 47537 Total LACNIC prefixes after maximum aggregation: 9355 LACNIC Deaggregation factor: 5.08 Prefixes being announced from the LACNIC address blocks: 51460 Unique aggregates announced from the LACNIC address blocks: 23836 LACNIC Region origin ASes present in the Internet Routing Table: 1868 LACNIC Prefixes per ASN: 27.55 LACNIC Region origin ASes announcing only one prefix: 548 LACNIC Region transit ASes present in the Internet Routing Table: 346 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 747 Number of LACNIC addresses announced to Internet: 124820520 Equivalent to 7 /8s, 112 /16s and 156 /24s Percentage of available LACNIC address space announced: 74.4 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: 10057 Total AfriNIC prefixes after maximum aggregation: 2415 AfriNIC Deaggregation factor: 4.16 Prefixes being announced from the AfriNIC address blocks: 10683 Unique aggregates announced from the AfriNIC address blocks: 3745 AfriNIC Region origin ASes present in the Internet Routing Table: 594 AfriNIC Prefixes per ASN: 17.98 AfriNIC Region origin ASes announcing only one prefix: 179 AfriNIC Region transit ASes present in the Internet Routing Table: 124 Average AfriNIC Region AS path length visible: 4.8 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: 45373696 Equivalent to 2 /8s, 180 /16s and 89 /24s Percentage of available AfriNIC address space announced: 45.1 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 2950 11558 922 Korea Telecom (KIX) 17974 2504 840 86 PT TELEKOMUNIKASI INDONESIA 7545 1845 301 89 TPG Internet Pty Ltd 4755 1726 392 197 TATA Communications formerly 9829 1464 1173 43 BSNL National Internet Backbo 9583 1279 97 525 Sify Limited 7552 1158 1062 11 Vietel Corporation 4808 1115 2056 320 CNCGROUP IP network: China169 9498 1069 310 74 BHARTI Airtel Ltd. 24560 1060 385 165 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 6389 3033 3694 87 bellsouth.net, inc. 7029 2216 1266 213 Windstream Communications Inc 18566 2080 382 185 Covad Communications 22773 1993 2929 125 Cox Communications, Inc. 1785 1967 677 125 PaeTec Communications, Inc. 20115 1683 1613 620 Charter Communications 4323 1613 1139 401 Time Warner Telecom 30036 1320 291 678 Mediacom Communications Corp 7018 1313 10810 849 AT&T WorldNet Services 11492 1210 222 329 Cable One 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 1832 544 16 Corbina telecom 2118 1116 97 13 EUnet/RELCOM Autonomous Syste 34984 1108 234 206 BILISIM TELEKOM 12479 841 786 66 Uni2 Autonomous System 13188 836 99 36 Educational Network 20940 799 278 635 Akamai Technologies European 31148 786 41 19 FreeNet ISP 6830 714 2314 435 UPC Distribution Services 8551 714 370 43 Bezeq International 58113 664 73 386 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 28573 2468 1338 90 NET Servicos de Comunicao S.A 10620 2362 407 238 TVCABLE BOGOTA 7303 1673 1148 209 Telecom Argentina Stet-France 8151 1357 2680 401 UniNet S.A. de C.V. 6503 1176 435 68 AVANTEL, S.A. 14754 942 128 85 Telgua S. A. 18881 834 716 18 Global Village Telecom 27947 795 87 96 Telconet S.A 11830 726 364 14 Instituto Costarricense de El 3816 692 306 85 Empresa Nacional de Telecomun 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 36998 1286 80 4 MOBITEL 24863 732 274 34 LINKdotNET AS number 6713 535 615 23 Itissalat Al-MAGHRIB 8452 345 958 13 TEDATA 24835 342 80 8 RAYA Telecom - Egypt 3741 262 906 220 The Internet Solution 12258 193 28 67 Vodacom Internet Company 15706 191 32 6 Sudatel Internet Exchange Aut 29975 191 667 21 Vodacom 16637 190 698 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 6389 3033 3694 87 bellsouth.net, inc. 4766 2950 11558 922 Korea Telecom (KIX) 17974 2504 840 86 PT TELEKOMUNIKASI INDONESIA 28573 2468 1338 90 NET Servicos de Comunicao S.A 10620 2362 407 238 TVCABLE BOGOTA 7029 2216 1266 213 Windstream Communications Inc 18566 2080 382 185 Covad Communications 22773 1993 2929 125 Cox Communications, Inc. 1785 1967 677 125 PaeTec Communications, Inc. 7545 1845 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 17974 2504 2418 PT TELEKOMUNIKASI INDONESIA 28573 2468 2378 NET Servicos de Comunicao S.A 10620 2362 2124 TVCABLE BOGOTA 4766 2950 2028 Korea Telecom (KIX) 7029 2216 2003 Windstream Communications Inc 18566 2080 1895 Covad Communications 22773 1993 1868 Cox Communications, Inc. 1785 1967 1842 PaeTec Communications, Inc. 8402 1832 1816 Corbina telecom 7545 1845 1756 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 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 30031 UNALLOCATED 12.27.122.0/24 7018 AT&T WorldNet Servic 13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic 23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic 17300 UNALLOCATED 12.45.103.0/24 209 Qwest 17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies, 16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic 14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic 33649 UNALLOCATED 12.111.112.0/24 19029 New Edge Networks 26064 UNALLOCATED 12.149.37.0/24 7018 AT&T WorldNet Servic 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 128.0.72.0/21 23456 32-bit ASN transition 128.0.80.0/20 52041 Timer LTD 128.0.96.0/21 12886 LEWTelNet GmbH 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 mywire Datentechnik GmbH Complete listing at http://thyme.rand.apnic.net/current/data-dsua Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 41.222.80.0/21 37110 Moztel LDA 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 64.185.224.0/24 27431 JTL Networks Inc. 64.185.225.0/24 27431 JTL Networks Inc. 64.185.226.0/24 27431 JTL Networks Inc. 64.185.227.0/24 27431 JTL Networks Inc. 64.185.228.0/24 27431 JTL Networks Inc. 64.185.229.0/24 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 /8:17 /9:13 /10:29 /11:88 /12:247 /13:483 /14:872 /15:1562 /16:12654 /17:6593 /18:10867 /19:21699 /20:31663 /21:33513 /22:46051 /23:41513 /24:234663 /25:1364 /26:1675 /27:864 /28:182 /29:78 /30:18 /31:0 /32:20 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 2030 2080 Covad Communications 6389 1743 3033 bellsouth.net, inc. 7029 1614 2216 Windstream Communications Inc 8402 1547 1832 Corbina telecom 22773 1304 1993 Cox Communications, Inc. 36998 1280 1286 MOBITEL 30036 1203 1320 Mediacom Communications Corp 11492 1172 1210 Cable One 1785 1043 1967 PaeTec Communications, Inc. 7011 942 1187 Citizens Utilities Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:728 2:777 3:3 4:13 5:834 6:3 8:511 12:1936 13:3 14:764 15:11 16:3 17:8 20:19 23:246 24:1802 27:1470 31:1176 32:44 33:2 34:5 36:43 37:1447 38:857 39:2 40:159 41:2657 42:183 44:6 46:1743 47:2 49:614 50:668 52:12 54:28 55:11 57:27 58:1104 59:600 60:304 61:1449 62:1017 63:2038 64:4290 65:2175 66:4282 67:2055 68:1118 69:3268 70:871 71:527 72:1898 74:2548 75:401 76:293 77:1084 78:1017 79:577 80:1229 81:973 82:613 83:557 84:563 85:1149 86:466 87:946 88:380 89:1767 90:262 91:5450 92:602 93:1702 94:1858 95:1552 96:499 97:336 98:1051 99:41 100:29 101:312 103:2312 105:517 106:133 107:207 108:517 109:1815 110:856 111:1040 112:499 113:764 114:684 115:1011 116:867 117:808 118:1007 119:1258 120:378 121:825 122:1740 123:1191 124:1323 125:1316 128:555 129:221 130:320 131:652 132:332 133:143 134:257 135:60 136:221 137:242 138:343 139:181 140:199 141:320 142:535 143:368 144:485 145:90 146:522 147:364 148:701 149:357 150:158 151:476 152:415 153:194 154:34 155:384 156:251 157:392 158:268 159:709 160:334 161:423 162:376 163:203 164:579 165:452 166:376 167:574 168:1018 169:131 170:1020 171:169 172:5 173:1580 174:583 175:431 176:1143 177:1826 178:1974 179:1 180:1380 181:292 182:1224 183:350 184:660 185:303 186:2359 187:1235 188:1906 189:1401 190:6632 192:6421 193:5677 194:4512 195:3464 196:1260 197:871 198:4244 199:5266 200:6034 201:2371 202:8903 203:8772 204:4488 205:2552 206:2785 207:2825 208:4057 209:3536 210:2916 211:1566 212:2007 213:1959 214:916 215:95 216:5194 217:1565 218:604 219:350 220:1269 221:547 222:318 223:492 End of report