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 13 Apr, 2013 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 450537 Prefixes after maximum aggregation: 184360 Deaggregation factor: 2.44 Unique aggregates announced to Internet: 222129 Total ASes present in the Internet Routing Table: 43823 Prefixes per ASN: 10.28 Origin-only ASes present in the Internet Routing Table: 34458 Origin ASes announcing only one prefix: 16077 Transit ASes present in the Internet Routing Table: 5796 Transit-only ASes present in the Internet Routing Table: 140 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 29 Max AS path prepend of ASN ( 19037) 22 Prefixes from unregistered ASNs in the Routing Table: 375 Unregistered ASNs in the Routing Table: 138 Number of 32-bit ASNs allocated by the RIRs: 4720 Number of 32-bit ASNs visible in the Routing Table: 3569 Prefixes from 32-bit ASNs in the Routing Table: 10153 Special use prefixes present in the Routing Table: 19 Prefixes being announced from unallocated address space: 212 Number of addresses announced to Internet: 2612870220 Equivalent to 155 /8s, 189 /16s and 60 /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: 94.4 Total number of prefixes smaller than registry allocations: 159211 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 108096 Total APNIC prefixes after maximum aggregation: 33356 APNIC Deaggregation factor: 3.24 Prefixes being announced from the APNIC address blocks: 109305 Unique aggregates announced from the APNIC address blocks: 44363 APNIC Region origin ASes present in the Internet Routing Table: 4819 APNIC Prefixes per ASN: 22.68 APNIC Region origin ASes announcing only one prefix: 1225 APNIC Region transit ASes present in the Internet Routing Table: 813 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 21 Number of APNIC region 32-bit ASNs visible in the Routing Table: 493 Number of APNIC addresses announced to Internet: 720693952 Equivalent to 42 /8s, 244 /16s and 234 /24s Percentage of available APNIC address space announced: 84.2 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: 157854 Total ARIN prefixes after maximum aggregation: 79682 ARIN Deaggregation factor: 1.98 Prefixes being announced from the ARIN address blocks: 158545 Unique aggregates announced from the ARIN address blocks: 72575 ARIN Region origin ASes present in the Internet Routing Table: 15633 ARIN Prefixes per ASN: 10.14 ARIN Region origin ASes announcing only one prefix: 5945 ARIN Region transit ASes present in the Internet Routing Table: 1614 Average ARIN Region AS path length visible: 4.2 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: 1062493824 Equivalent to 63 /8s, 84 /16s and 94 /24s Percentage of available ARIN address space announced: 56.2 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: 116555 Total RIPE prefixes after maximum aggregation: 59393 RIPE Deaggregation factor: 1.96 Prefixes being announced from the RIPE address blocks: 120091 Unique aggregates announced from the RIPE address blocks: 77021 RIPE Region origin ASes present in the Internet Routing Table: 17131 RIPE Prefixes per ASN: 7.01 RIPE Region origin ASes announcing only one prefix: 8159 RIPE Region transit ASes present in the Internet Routing Table: 2805 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: 2294 Number of RIPE addresses announced to Internet: 656281316 Equivalent to 39 /8s, 30 /16s and 14 /24s Percentage of available RIPE address space announced: 95.4 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: 47674 Total LACNIC prefixes after maximum aggregation: 9391 LACNIC Deaggregation factor: 5.08 Prefixes being announced from the LACNIC address blocks: 51709 Unique aggregates announced from the LACNIC address blocks: 24114 LACNIC Region origin ASes present in the Internet Routing Table: 1889 LACNIC Prefixes per ASN: 27.37 LACNIC Region origin ASes announcing only one prefix: 561 LACNIC Region transit ASes present in the Internet Routing Table: 351 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: 757 Number of LACNIC addresses announced to Internet: 126775336 Equivalent to 7 /8s, 142 /16s and 112 /24s Percentage of available LACNIC address space announced: 75.6 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-62463, 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: 10065 Total AfriNIC prefixes after maximum aggregation: 2490 AfriNIC Deaggregation factor: 4.04 Prefixes being announced from the AfriNIC address blocks: 10675 Unique aggregates announced from the AfriNIC address blocks: 3859 AfriNIC Region origin ASes present in the Internet Routing Table: 614 AfriNIC Prefixes per ASN: 17.39 AfriNIC Region origin ASes announcing only one prefix: 187 AfriNIC Region transit ASes present in the Internet Routing Table: 127 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: 7 Number of AfriNIC addresses announced to Internet: 46187264 Equivalent to 2 /8s, 192 /16s and 195 /24s Percentage of available AfriNIC address space announced: 45.9 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 2957 11557 923 Korea Telecom (KIX) 17974 2510 840 86 PT TELEKOMUNIKASI INDONESIA 7545 1884 320 109 TPG Internet Pty Ltd 4755 1734 392 198 TATA Communications formerly 9829 1511 1205 40 BSNL National Internet Backbo 9583 1283 98 538 Sify Limited 7552 1171 1066 12 Vietel Corporation 4808 1121 2109 325 CNCGROUP IP network: China169 9498 1070 310 73 BHARTI Airtel Ltd. 24560 1066 385 163 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 3037 3694 87 bellsouth.net, inc. 7029 2174 1265 212 Windstream Communications Inc 18566 2068 382 184 Covad Communications 22773 2013 2929 125 Cox Communications, Inc. 1785 1974 677 122 PaeTec Communications, Inc. 20115 1669 1611 611 Charter Communications 4323 1608 1139 397 Time Warner Telecom 30036 1340 296 658 Mediacom Communications Corp 7018 1316 10807 856 AT&T WorldNet Services 11492 1218 224 333 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 1840 544 16 Corbina telecom 2118 1430 97 13 EUnet/RELCOM Autonomous Syste 34984 1145 234 207 BILISIM TELEKOM 12479 844 786 66 Uni2 Autonomous System 13188 837 99 33 Educational Network 20940 822 288 652 Akamai Technologies European 31148 793 41 21 FreeNet ISP 6830 752 2318 442 UPC Distribution Services 8551 734 368 56 Bezeq International 58113 666 74 386 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 2601 1433 98 NET Servicos de Comunicao S.A 10620 2361 409 223 TVCABLE BOGOTA 7303 1674 1153 211 Telecom Argentina Stet-France 8151 1228 2684 404 UniNet S.A. de C.V. 6503 1151 435 68 AVANTEL, S.A. 14754 1119 153 37 Telgua S. A. 18881 850 716 18 Global Village Telecom 27947 809 88 97 Telconet S.A 11830 725 364 14 Instituto Costarricense de El 3816 695 306 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 1137 80 4 MOBITEL 24863 691 274 33 LINKdotNET AS number 6713 543 617 25 Itissalat Al-MAGHRIB 8452 353 956 9 TEDATA 24835 275 80 8 RAYA Telecom - Egypt 3741 262 906 220 The Internet Solution 12258 193 28 67 Vodacom Internet Company 29975 191 667 21 Vodacom 16637 184 696 90 MTN Network Solutions 33776 167 11 18 Starcomms Nigeria Limited 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 3037 3694 87 bellsouth.net, inc. 4766 2957 11557 923 Korea Telecom (KIX) 28573 2601 1433 98 NET Servicos de Comunicao S.A 17974 2510 840 86 PT TELEKOMUNIKASI INDONESIA 10620 2361 409 223 TVCABLE BOGOTA 7029 2174 1265 212 Windstream Communications Inc 18566 2068 382 184 Covad Communications 22773 2013 2929 125 Cox Communications, Inc. 1785 1974 677 122 PaeTec Communications, Inc. 7545 1884 320 109 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 28573 2601 2503 NET Servicos de Comunicao S.A 17974 2510 2424 PT TELEKOMUNIKASI INDONESIA 10620 2361 2138 TVCABLE BOGOTA 4766 2957 2034 Korea Telecom (KIX) 7029 2174 1962 Windstream Communications Inc 22773 2013 1888 Cox Communications, Inc. 18566 2068 1884 Covad Communications 1785 1974 1852 PaeTec Communications, Inc. 8402 1840 1824 Corbina telecom 7545 1884 1775 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 128.0.55.0/24 48571 SC efectRO SRL 128.0.56.0/24 60996 Visionware SRL 128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys 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 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 62.61.220.0/24 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. 64.185.230.0/24 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 /8:16 /9:13 /10:29 /11:88 /12:248 /13:485 /14:884 /15:1558 /16:12677 /17:6608 /18:10914 /19:21813 /20:31911 /21:33781 /22:46684 /23:41774 /24:236885 /25:1390 /26:1771 /27:862 /28:45 /29:67 /30:15 /31:0 /32:19 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 2019 2068 Covad Communications 6389 1742 3037 bellsouth.net, inc. 7029 1613 2174 Windstream Communications Inc 8402 1537 1840 Corbina telecom 22773 1318 2013 Cox Communications, Inc. 30036 1217 1340 Mediacom Communications Corp 11492 1179 1218 Cable One 36998 1131 1137 MOBITEL 1785 1047 1974 PaeTec Communications, Inc. 6983 1006 1134 ITC^Deltacom Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:767 2:796 3:3 4:15 5:861 6:4 8:542 12:1920 13:3 14:769 15:11 16:3 17:9 20:19 23:257 24:1776 27:1451 31:1207 32:42 33:2 34:5 36:43 37:1798 38:861 39:2 40:169 41:2626 42:185 44:6 46:1789 47:2 49:619 50:676 52:12 54:30 55:9 57:27 58:1108 59:588 60:305 61:1446 62:992 63:2033 64:4287 65:2183 66:4294 67:2066 68:1119 69:3252 70:876 71:529 72:1917 74:2565 75:411 76:294 77:1096 78:1040 79:590 80:1235 81:976 82:613 83:579 84:589 85:1165 86:471 87:964 88:527 89:1806 90:281 91:5489 92:614 93:1718 94:1871 95:1610 96:503 97:340 98:1050 99:41 100:29 101:311 103:2412 105:488 106:135 107:207 108:515 109:1783 110:851 111:1046 112:501 113:783 114:689 115:1014 116:876 117:778 118:1016 119:1249 120:389 121:817 122:1730 123:1176 124:1332 125:1328 128:635 129:226 130:332 131:654 132:336 133:148 134:258 135:62 136:222 137:248 138:344 139:185 140:199 141:317 142:542 143:372 144:485 145:93 146:510 147:384 148:697 149:366 150:163 151:528 152:419 153:194 154:44 155:395 156:259 157:394 158:267 159:717 160:337 161:424 162:379 163:202 164:575 165:450 166:336 167:578 168:1026 169:133 170:1025 171:174 172:5 173:1609 174:580 175:445 176:1233 177:1842 178:1808 179:2 180:1394 181:378 182:1130 183:374 184:662 185:354 186:2449 187:1255 188:2007 189:1361 190:6606 192:6488 193:5833 194:4646 195:3643 196:1333 197:826 198:4322 199:5280 200:6034 201:2373 202:8860 203:8755 204:4518 205:2553 206:2822 207:2833 208:4065 209:3561 210:2928 211:1565 212:2025 213:1917 214:943 215:98 216:5212 217:1575 218:624 219:347 220:1270 221:547 222:314 223:443 End of report