bgp-stats September 2013

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Routing Table Report - Japan view
by Routing Analysis Role Account 01 Sep '13

01 Sep '13

Routing Table Report 04:00 +10GMT Mon 02 Sep, 2013 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 465179 Prefixes after maximum aggregation: 187553 Deaggregation factor: 2.48 Unique aggregates announced to Internet: 231053 Total ASes present in the Internet Routing Table: 44842 Prefixes per ASN: 10.37 Origin-only ASes present in the Internet Routing Table: 35040 Origin ASes announcing only one prefix: 16241 Transit ASes present in the Internet Routing Table: 5918 Transit-only ASes present in the Internet Routing Table: 179 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 29 Max AS path prepend of ASN ( 36992) 22 Prefixes from unregistered ASNs in the Routing Table: 5428 Unregistered ASNs in the Routing Table: 1780 Number of 32-bit ASNs allocated by the RIRs: 4995 Number of 32-bit ASNs visible in the Routing Table: 3884 Prefixes from 32-bit ASNs in the Routing Table: 11831 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 355 Number of addresses announced to Internet: 2639075788 Equivalent to 157 /8s, 77 /16s and 25 /24s Percentage of available address space announced: 71.3 Percentage of allocated address space announced: 71.3 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 94.9 Total number of prefixes smaller than registry allocations: 162853 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 110175 Total APNIC prefixes after maximum aggregation: 33449 APNIC Deaggregation factor: 3.29 Prefixes being announced from the APNIC address blocks: 112071 Unique aggregates announced from the APNIC address blocks: 46601 APNIC Region origin ASes present in the Internet Routing Table: 4867 APNIC Prefixes per ASN: 23.03 APNIC Region origin ASes announcing only one prefix: 1219 APNIC Region transit ASes present in the Internet Routing Table: 827 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: 653 Number of APNIC addresses announced to Internet: 727633600 Equivalent to 43 /8s, 94 /16s and 206 /24s Percentage of available APNIC address space announced: 85.0 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: 161346 Total ARIN prefixes after maximum aggregation: 80936 ARIN Deaggregation factor: 1.99 Prefixes being announced from the ARIN address blocks: 161826 Unique aggregates announced from the ARIN address blocks: 75303 ARIN Region origin ASes present in the Internet Routing Table: 15843 ARIN Prefixes per ASN: 10.21 ARIN Region origin ASes announcing only one prefix: 6025 ARIN Region transit ASes present in the Internet Routing Table: 1664 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: 20 Number of ARIN addresses announced to Internet: 1071021824 Equivalent to 63 /8s, 214 /16s and 127 /24s Percentage of available ARIN address space announced: 56.7 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, 62464-63487, 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: 119422 Total RIPE prefixes after maximum aggregation: 60946 RIPE Deaggregation factor: 1.96 Prefixes being announced from the RIPE address blocks: 123292 Unique aggregates announced from the RIPE address blocks: 79226 RIPE Region origin ASes present in the Internet Routing Table: 17381 RIPE Prefixes per ASN: 7.09 RIPE Region origin ASes announcing only one prefix: 8236 RIPE Region transit ASes present in the Internet Routing Table: 2819 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 2394 Number of RIPE addresses announced to Internet: 657221604 Equivalent to 39 /8s, 44 /16s and 103 /24s Percentage of available RIPE address space announced: 95.5 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: 50735 Total LACNIC prefixes after maximum aggregation: 9634 LACNIC Deaggregation factor: 5.27 Prefixes being announced from the LACNIC address blocks: 55447 Unique aggregates announced from the LACNIC address blocks: 25701 LACNIC Region origin ASes present in the Internet Routing Table: 2000 LACNIC Prefixes per ASN: 27.72 LACNIC Region origin ASes announcing only one prefix: 567 LACNIC Region transit ASes present in the Internet Routing Table: 376 Average LACNIC Region AS path length visible: 4.8 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 811 Number of LACNIC addresses announced to Internet: 135925032 Equivalent to 8 /8s, 26 /16s and 13 /24s Percentage of available LACNIC address space announced: 81.0 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 262144-263679 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: 11581 Total AfriNIC prefixes after maximum aggregation: 2540 AfriNIC Deaggregation factor: 4.56 Prefixes being announced from the AfriNIC address blocks: 12188 Unique aggregates announced from the AfriNIC address blocks: 3893 AfriNIC Region origin ASes present in the Internet Routing Table: 653 AfriNIC Prefixes per ASN: 18.66 AfriNIC Region origin ASes announcing only one prefix: 194 AfriNIC Region transit ASes present in the Internet Routing Table: 137 Average AfriNIC Region AS path length visible: 4.7 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6 Number of AfriNIC addresses announced to Internet: 46533632 Equivalent to 2 /8s, 198 /16s and 12 /24s Percentage of available AfriNIC address space announced: 46.2 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 2917 11561 924 Korea Telecom (KIX) 17974 2667 903 91 PT TELEKOMUNIKASI INDONESIA 7545 2061 320 111 TPG Internet Pty Ltd 4755 1768 391 191 TATA Communications formerly 9829 1535 1221 45 BSNL National Internet Backbo 9583 1227 92 506 Sify Limited 9498 1182 309 70 BHARTI Airtel Ltd. 4808 1155 2128 337 CNCGROUP IP network: China169 7552 1139 1080 13 Vietel Corporation 24560 1089 394 160 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 3069 3689 62 bellsouth.net, inc. 18566 2065 382 184 Covad Communications 22773 2043 2933 125 Cox Communications, Inc. 1785 2006 679 125 PaeTec Communications, Inc. 20115 1674 1645 630 Charter Communications 4323 1615 1103 408 Time Warner Telecom 701 1514 11119 792 UUNET Technologies, Inc. 30036 1349 302 641 Mediacom Communications Corp 7018 1310 11277 828 AT&T WorldNet Services 11492 1220 218 366 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 1705 544 16 Corbina telecom 2118 1368 97 13 EUnet/RELCOM Autonomous Syste 34984 1307 244 221 BILISIM TELEKOM 31148 982 43 18 FreeNet ISP 20940 980 351 756 Akamai Technologies European 6830 895 2367 428 UPC Distribution Services 13188 846 99 72 Educational Network 8551 752 370 41 Bezeq International 12479 687 797 53 Uni2 Autonomous System 58113 541 55 339 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 3212 1695 101 NET Servicos de Comunicao S.A 10620 2612 422 239 TVCABLE BOGOTA 7303 1733 1158 223 Telecom Argentina Stet-France 18881 1452 844 20 Global Village Telecom 8151 1286 2774 391 UniNet S.A. de C.V. 11830 933 364 15 Instituto Costarricense de El 27947 839 94 91 Telconet S.A 6503 792 434 63 AVANTEL, S.A. 6147 734 374 25 Telefonica Del Peru 3816 723 302 83 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 1861 112 5 MOBITEL 24863 870 274 30 LINKdotNET AS number 6713 543 633 26 Itissalat Al-MAGHRIB 8452 435 956 9 TEDATA 24835 291 80 8 RAYA Telecom - Egypt 3741 258 921 217 The Internet Solution 36992 222 501 28 Etisalat MISR 15706 221 32 6 Sudatel Internet Exchange Aut 29571 220 17 12 Ci Telecom Autonomous system 12258 193 28 71 Vodacom Internet Company 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 28573 3212 1695 101 NET Servicos de Comunicao S.A 6389 3069 3689 62 bellsouth.net, inc. 4766 2917 11561 924 Korea Telecom (KIX) 17974 2667 903 91 PT TELEKOMUNIKASI INDONESIA 10620 2612 422 239 TVCABLE BOGOTA 18566 2065 382 184 Covad Communications 7545 2061 320 111 TPG Internet Pty Ltd 22773 2043 2933 125 Cox Communications, Inc. 1785 2006 679 125 PaeTec Communications, Inc. 36998 1861 112 5 MOBITEL 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 3069 3007 bellsouth.net, inc. 17974 2667 2576 PT TELEKOMUNIKASI INDONESIA 10620 2612 2373 TVCABLE BOGOTA 4766 2917 1993 Korea Telecom (KIX) 7545 2061 1950 TPG Internet Pty Ltd 22773 2043 1918 Cox Communications, Inc. 18566 2065 1881 Covad Communications 1785 2006 1881 PaeTec Communications, Inc. 36998 1861 1856 MOBITEL 8402 1705 1689 Corbina telecom 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 30621 UNALLOCATED 12.151.74.0/23 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 100.100.0.0/24 4847 China Networks Inter-Exchange Complete listing at http://thyme.rand.apnic.net/current/data-dsua Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 23.90.128.0/18 27418 OUTOFWALL INC. 23.90.192.0/18 36086 Broad Communications Technolo 23.91.0.0/19 40676 Psychz Networks 23.91.32.0/19 36315 Servpac Inc. 23.92.16.0/21 8001 Net Access Corporation 23.92.24.0/22 6939 Hurricane Electric 23.92.48.0/20 29761 OC3 Networks & Web Solutions, 23.92.64.0/24 54540 Incero LLC 23.92.65.0/24 54540 Incero LLC 23.92.66.0/24 54540 Incero LLC 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 /9:11 /10:30 /11:93 /12:250 /13:480 /14:906 /15:1619 /16:12778 /17:6669 /18:11086 /19:22668 /20:32316 /21:34988 /22:49135 /23:42881 /24:246775 /25:865 /26:997 /27:465 /28:44 /29:77 /30:17 /31:0 /32:13 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 2016 2065 Covad Communications 36998 1826 1861 MOBITEL 6389 1714 3069 bellsouth.net, inc. 8402 1435 1705 Corbina telecom 22773 1329 2043 Cox Communications, Inc. 30036 1212 1349 Mediacom Communications Corp 11492 1181 1220 Cable One 1785 1078 2006 PaeTec Communications, Inc. 6983 1025 1152 ITC^Deltacom 10620 942 2612 TVCABLE BOGOTA Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:803 2:839 3:3 4:19 5:932 6:19 8:604 12:1896 13:2 14:872 15:11 16:3 17:11 18:19 20:18 23:373 24:1742 27:1553 31:1416 32:45 33:2 34:5 36:73 37:1847 38:900 39:4 40:179 41:3241 42:245 44:9 46:1960 47:4 49:662 50:838 52:12 54:37 55:4 57:26 58:1169 59:617 60:336 61:1415 62:1221 63:1990 64:4570 65:2296 66:4175 67:2076 68:1088 69:3297 70:863 71:496 72:2003 74:2540 75:326 76:304 77:1159 78:1055 79:627 80:1316 81:1023 82:634 83:583 84:578 85:1239 86:479 87:1046 88:539 89:1827 90:158 91:5595 92:635 93:1669 94:2021 95:1551 96:524 97:347 98:1039 99:44 100:29 101:595 103:3229 105:519 106:139 107:209 108:497 109:1869 110:949 111:1114 112:568 113:792 114:712 115:1030 116:973 117:805 118:1126 119:1292 120:367 121:740 122:1867 123:1244 124:1381 125:1419 128:612 129:222 130:311 131:671 132:351 133:160 134:286 135:67 136:266 137:268 138:347 139:179 140:197 141:322 142:552 143:380 144:490 145:100 146:518 147:489 148:679 149:355 150:151 151:565 152:413 153:195 154:30 155:481 156:274 157:406 158:282 159:753 160:350 161:460 162:622 163:222 164:627 165:551 166:255 167:605 168:1029 169:126 170:1081 171:191 172:25 173:1601 174:514 175:495 176:1196 177:2129 178:1917 179:119 180:1522 181:686 182:1245 183:443 184:639 185:795 186:2475 187:1375 188:1913 189:1285 190:7035 192:6933 193:5844 194:4707 195:3590 196:1334 197:1006 198:4648 199:5442 200:5960 201:2592 202:8925 203:8895 204:4520 205:2596 206:2832 207:2903 208:4001 209:3625 210:2939 211:1554 212:2260 213:2052 214:913 215:101 216:5291 217:1651 218:623 219:314 220:1277 221:555 222:325 223:504 End of report

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bgp-stats September 2013