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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Thu 01 Aug, 2013
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 461882 Prefixes after maximum aggregation: 186887 Deaggregation factor: 2.47 Unique aggregates announced to Internet: 228320 Total ASes present in the Internet Routing Table: 44614 Prefixes per ASN: 10.35 Origin-only ASes present in the Internet Routing Table: 34925 Origin ASes announcing only one prefix: 16198 Transit ASes present in the Internet Routing Table: 5882 Transit-only ASes present in the Internet Routing Table: 155 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: 3714 Unregistered ASNs in the Routing Table: 1421 Number of 32-bit ASNs allocated by the RIRs: 4911 Number of 32-bit ASNs visible in the Routing Table: 3807 Prefixes from 32-bit ASNs in the Routing Table: 11454 Special use prefixes present in the Routing Table: 29 Prefixes being announced from unallocated address space: 265 Number of addresses announced to Internet: 2631299300 Equivalent to 156 /8s, 214 /16s and 112 /24s Percentage of available address space announced: 71.1 Percentage of allocated address space announced: 71.1 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 94.8 Total number of prefixes smaller than registry allocations: 162064
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 111319 Total APNIC prefixes after maximum aggregation: 33933 APNIC Deaggregation factor: 3.28 Prefixes being announced from the APNIC address blocks: 113077 Unique aggregates announced from the APNIC address blocks: 46043 APNIC Region origin ASes present in the Internet Routing Table: 4869 APNIC Prefixes per ASN: 23.22 APNIC Region origin ASes announcing only one prefix: 1223 APNIC Region transit ASes present in the Internet Routing Table: 821 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: 619 Number of APNIC addresses announced to Internet: 725729760 Equivalent to 43 /8s, 65 /16s and 193 /24s Percentage of available APNIC address space announced: 84.8
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: 159861 Total ARIN prefixes after maximum aggregation: 80532 ARIN Deaggregation factor: 1.99 Prefixes being announced from the ARIN address blocks: 160476 Unique aggregates announced from the ARIN address blocks: 74166 ARIN Region origin ASes present in the Internet Routing Table: 15797 ARIN Prefixes per ASN: 10.16 ARIN Region origin ASes announcing only one prefix: 5992 ARIN Region transit ASes present in the Internet Routing Table: 1645 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: 19 Number of ARIN addresses announced to Internet: 1068098880 Equivalent to 63 /8s, 169 /16s and 229 /24s Percentage of available ARIN address space announced: 56.5
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, 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: 118224 Total RIPE prefixes after maximum aggregation: 60324 RIPE Deaggregation factor: 1.96 Prefixes being announced from the RIPE address blocks: 122006 Unique aggregates announced from the RIPE address blocks: 78510 RIPE Region origin ASes present in the Internet Routing Table: 17321 RIPE Prefixes per ASN: 7.04 RIPE Region origin ASes announcing only one prefix: 8209 RIPE Region transit ASes present in the Internet Routing Table: 2825 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: 2373 Number of RIPE addresses announced to Internet: 656924836 Equivalent to 39 /8s, 39 /16s and 224 /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: 49315 Total LACNIC prefixes after maximum aggregation: 9510 LACNIC Deaggregation factor: 5.19 Prefixes being announced from the LACNIC address blocks: 53852 Unique aggregates announced from the LACNIC address blocks: 25419 LACNIC Region origin ASes present in the Internet Routing Table: 1992 LACNIC Prefixes per ASN: 27.03 LACNIC Region origin ASes announcing only one prefix: 583 LACNIC Region transit ASes present in the Internet Routing Table: 366 Average LACNIC Region AS path length visible: 4.6 Max LACNIC Region AS path length visible: 24 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 790 Number of LACNIC addresses announced to Internet: 133615392 Equivalent to 7 /8s, 246 /16s and 207 /24s Percentage of available LACNIC address space announced: 79.6
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: 11620 Total AfriNIC prefixes after maximum aggregation: 2547 AfriNIC Deaggregation factor: 4.56 Prefixes being announced from the AfriNIC address blocks: 12206 Unique aggregates announced from the AfriNIC address blocks: 3935 AfriNIC Region origin ASes present in the Internet Routing Table: 645 AfriNIC Prefixes per ASN: 18.92 AfriNIC Region origin ASes announcing only one prefix: 191 AfriNIC Region transit ASes present in the Internet Routing Table: 132 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: 46602240 Equivalent to 2 /8s, 199 /16s and 24 /24s Percentage of available AfriNIC address space announced: 46.3
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 2918 11561 917 Korea Telecom (KIX) 17974 2648 871 92 PT TELEKOMUNIKASI INDONESIA 7545 2040 320 110 TPG Internet Pty Ltd 4755 1781 393 200 TATA Communications formerly 9829 1538 1221 45 BSNL National Internet Backbo 9583 1224 92 505 Sify Limited 4808 1173 2153 341 CNCGROUP IP network: China169 9498 1172 309 71 BHARTI Airtel Ltd. 7552 1131 1080 13 Vietel Corporation 24560 1087 394 164 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 2982 3689 64 bellsouth.net, inc. 18566 2065 382 184 Covad Communications 1785 2004 679 124 PaeTec Communications, Inc. 22773 2001 2927 123 Cox Communications, Inc. 20115 1671 1623 622 Charter Communications 4323 1613 1101 403 Time Warner Telecom 701 1524 11120 801 UUNET Technologies, Inc. 30036 1339 300 648 Mediacom Communications Corp 7018 1314 11036 833 AT&T WorldNet Services 11492 1221 218 363 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 1639 544 16 Corbina telecom 34984 1299 244 221 BILISIM TELEKOM 2118 1235 97 13 EUnet/RELCOM Autonomous Syste 31148 951 43 19 FreeNet ISP 20940 945 330 745 Akamai Technologies European 6830 848 2371 431 UPC Distribution Services 13188 840 98 78 Educational Network 8551 780 370 45 Bezeq International 12479 675 793 56 Uni2 Autonomous System 9198 611 343 21 Kazakhtelecom Data Network Ad
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 2955 1591 110 NET Servicos de Comunicao S.A 10620 2641 420 226 TVCABLE BOGOTA 7303 1730 1155 219 Telecom Argentina Stet-France 8151 1272 2753 386 UniNet S.A. de C.V. 18881 1252 844 20 Global Village Telecom 27947 834 94 90 Telconet S.A 6503 819 434 63 AVANTEL, S.A. 11830 749 364 15 Instituto Costarricense de El 3816 724 306 85 Empresa Nacional de Telecomun 7738 698 1370 35 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 36998 1815 112 5 MOBITEL 24863 875 274 30 LINKdotNET AS number 6713 542 617 25 Itissalat Al-MAGHRIB 8452 435 956 9 TEDATA 24835 339 80 8 RAYA Telecom - Egypt 3741 258 921 217 The Internet Solution 15706 221 32 6 Sudatel Internet Exchange Aut 29571 220 17 12 Ci Telecom Autonomous system 36992 206 527 22 Etisalat MISR 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 6389 2982 3689 64 bellsouth.net, inc. 28573 2955 1591 110 NET Servicos de Comunicao S.A 4766 2918 11561 917 Korea Telecom (KIX) 17974 2648 871 92 PT TELEKOMUNIKASI INDONESIA 10620 2641 420 226 TVCABLE BOGOTA 18566 2065 382 184 Covad Communications 7545 2040 320 110 TPG Internet Pty Ltd 1785 2004 679 124 PaeTec Communications, Inc. 22773 2001 2927 123 Cox Communications, Inc. 36998 1815 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 28573 2955 2845 NET Servicos de Comunicao S.A 17974 2648 2556 PT TELEKOMUNIKASI INDONESIA 10620 2641 2415 TVCABLE BOGOTA 4766 2918 2001 Korea Telecom (KIX) 7545 2040 1930 TPG Internet Pty Ltd 18566 2065 1881 Covad Communications 1785 2004 1880 PaeTec Communications, Inc. 22773 2001 1878 Cox Communications, Inc. 36998 1815 1810 MOBITEL 8402 1639 1623 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 128.0.0.0/24 2541 >>UNKNOWN<< 128.0.16.0/21 43568 RIPE Network Coordination Cen 128.0.24.0/21 41794 Altline LLC 128.0.40.0/24 60449 >>UNKNOWN<< 128.0.42.0/24 60619 >>UNKNOWN<< 128.0.43.0/24 60619 >>UNKNOWN<< 128.0.45.0/24 60657 >>UNKNOWN<< 128.0.46.0/23 39743 Mobimax Telecom SRL 128.0.53.0/24 60993 Totalsoft SA 128.0.54.0/24 60972 Carpatair SA
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 62.61.221.0/24 24974 Tachyon Europe BV - Wireless 62.182.96.0/23 15830 TELECITY London 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 /9:11 /10:30 /11:92 /12:249 /13:479 /14:903 /15:1605 /16:12741 /17:6656 /18:11087 /19:22497 /20:32120 /21:34711 /22:48681 /23:42687 /24:243458 /25:1273 /26:1627 /27:831 /28:37 /29:63 /30:13 /31:0 /32:15
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 2016 2065 Covad Communications 36998 1780 1815 MOBITEL 6389 1715 2982 bellsouth.net, inc. 8402 1337 1639 Corbina telecom 22773 1303 2001 Cox Communications, Inc. 30036 1204 1339 Mediacom Communications Corp 11492 1182 1221 Cable One 1785 1078 2004 PaeTec Communications, Inc. 6983 1020 1147 ITC^Deltacom 10620 985 2641 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:828 2:707 3:3 4:19 5:839 6:17 8:578 12:1925 13:2 14:869 15:11 16:3 17:10 18:19 20:17 23:295 24:1770 27:1520 31:1337 32:45 33:2 34:5 36:67 37:1844 38:891 39:2 40:174 41:3298 42:249 44:8 46:1939 47:2 49:660 50:814 52:12 54:37 55:7 57:26 58:1165 59:613 60:332 61:1502 62:1179 63:2009 64:4356 65:2148 66:4188 67:2021 68:1094 69:3287 70:798 71:489 72:1914 74:2506 75:324 76:306 77:1129 78:1051 79:610 80:1295 81:1015 82:633 83:584 84:579 85:1234 86:468 87:1028 88:543 89:1802 90:153 91:5539 92:633 93:1690 94:1906 95:1631 96:594 97:344 98:1026 99:43 100:30 101:594 103:3061 105:522 106:141 107:208 108:519 109:1836 110:946 111:1071 112:563 113:815 114:698 115:1094 116:957 117:806 118:1140 119:1305 120:363 121:852 122:1808 123:1248 124:1371 125:1394 128:636 129:222 130:304 131:656 132:361 133:160 134:269 135:72 136:240 137:244 138:343 139:189 140:209 141:318 142:531 143:395 144:514 145:90 146:526 147:405 148:662 149:351 150:154 151:553 152:409 153:190 154:28 155:413 156:275 157:354 158:275 159:745 160:349 161:455 162:510 163:223 164:583 165:514 166:254 167:598 168:1021 169:126 170:1061 171:185 172:23 173:1582 174:559 175:499 176:1155 177:2111 178:1883 179:70 180:1502 181:577 182:1290 183:419 184:673 185:700 186:2335 187:1363 188:1889 189:1282 190:6810 192:6841 193:5701 194:4709 195:3576 196:1347 197:947 198:4557 199:5365 200:5978 201:2446 202:8827 203:8885 204:4512 205:2595 206:2823 207:2897 208:4011 209:3601 210:2945 211:1530 212:2244 213:2024 214:914 215:99 216:5252 217:1619 218:618 219:333 220:1284 221:552 222:315 223:463
End of report
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