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[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Fri 05 Oct, 2018
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 718417 Prefixes after maximum aggregation (per Origin AS): 276382 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 345298 Total ASes present in the Internet Routing Table: 61973 Prefixes per ASN: 11.59 Origin-only ASes present in the Internet Routing Table: 53524 Origin ASes announcing only one prefix: 23329 Transit ASes present in the Internet Routing Table: 8449 Transit-only ASes present in the Internet Routing Table: 260 Average AS path length visible in the Internet Routing Table: 4.0 Max AS path length visible: 43 Max AS path prepend of ASN ( 22394) 40 Prefixes from unregistered ASNs in the Routing Table: 46 Number of instances of unregistered ASNs: 46 Number of 32-bit ASNs allocated by the RIRs: 24307 Number of 32-bit ASNs visible in the Routing Table: 19605 Prefixes from 32-bit ASNs in the Routing Table: 82625 Number of bogon 32-bit ASNs visible in the Routing Table: 12 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 274 Number of addresses announced to Internet: 2854219523 Equivalent to 170 /8s, 31 /16s and 239 /24s Percentage of available address space announced: 77.1 Percentage of allocated address space announced: 77.1 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.1 Total number of prefixes smaller than registry allocations: 240171
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 195388 Total APNIC prefixes after maximum aggregation: 55736 APNIC Deaggregation factor: 3.51 Prefixes being announced from the APNIC address blocks: 193189 Unique aggregates announced from the APNIC address blocks: 79869 APNIC Region origin ASes present in the Internet Routing Table: 9127 APNIC Prefixes per ASN: 21.17 APNIC Region origin ASes announcing only one prefix: 2568 APNIC Region transit ASes present in the Internet Routing Table: 1362 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 4096 Number of APNIC addresses announced to Internet: 767541442 Equivalent to 45 /8s, 191 /16s and 192 /24s APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-139577 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: 214195 Total ARIN prefixes after maximum aggregation: 101406 ARIN Deaggregation factor: 2.11 Prefixes being announced from the ARIN address blocks: 213876 Unique aggregates announced from the ARIN address blocks: 101835 ARIN Region origin ASes present in the Internet Routing Table: 18260 ARIN Prefixes per ASN: 11.71 ARIN Region origin ASes announcing only one prefix: 6786 ARIN Region transit ASes present in the Internet Routing Table: 1814 Average ARIN Region AS path length visible: 3.6 Max ARIN Region AS path length visible: 43 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2452 Number of ARIN addresses announced to Internet: 1098521760 Equivalent to 65 /8s, 122 /16s and 28 /24s 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, 64198-64296, 393216-399260 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: 195918 Total RIPE prefixes after maximum aggregation: 93729 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 192235 Unique aggregates announced from the RIPE address blocks: 113851 RIPE Region origin ASes present in the Internet Routing Table: 25499 RIPE Prefixes per ASN: 7.54 RIPE Region origin ASes announcing only one prefix: 11485 RIPE Region transit ASes present in the Internet Routing Table: 3515 Average RIPE Region AS path length visible: 4.1 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 7440 Number of RIPE addresses announced to Internet: 713937280 Equivalent to 42 /8s, 141 /16s and 209 /24s 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, 61952-62463, 64396-64495 196608-210331 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: 93230 Total LACNIC prefixes after maximum aggregation: 21296 LACNIC Deaggregation factor: 4.38 Prefixes being announced from the LACNIC address blocks: 94623 Unique aggregates announced from the LACNIC address blocks: 41327 LACNIC Region origin ASes present in the Internet Routing Table: 7600 LACNIC Prefixes per ASN: 12.45 LACNIC Region origin ASes announcing only one prefix: 2082 LACNIC Region transit ASes present in the Internet Routing Table: 1421 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 27 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 5143 Number of LACNIC addresses announced to Internet: 172312608 Equivalent to 10 /8s, 69 /16s and 72 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-268700 + 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: 19639 Total AfriNIC prefixes after maximum aggregation: 4174 AfriNIC Deaggregation factor: 4.71 Prefixes being announced from the AfriNIC address blocks: 24220 Unique aggregates announced from the AfriNIC address blocks: 8172 AfriNIC Region origin ASes present in the Internet Routing Table: 1202 AfriNIC Prefixes per ASN: 20.15 AfriNIC Region origin ASes announcing only one prefix: 408 AfriNIC Region transit ASes present in the Internet Routing Table: 246 Average AfriNIC Region AS path length visible: 4.4 Max AfriNIC Region AS path length visible: 29 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 474 Number of AfriNIC addresses announced to Internet: 101483520 Equivalent to 6 /8s, 12 /16s and 132 /24s 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 4538 4645 4192 74 ERX-CERNET-BKB China Education and Rese 7545 4448 485 475 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 2995 1154 93 VIETEL-AS-AP Viettel Group, VN 4766 2822 11130 764 KIXS-AS-KR Korea Telecom, KR 45899 2762 1674 159 VNPT-AS-VN VNPT Corp, VN 9829 2743 1492 555 BSNL-NIB National Internet Backbone, IN 9394 2589 4907 31 CTTNET China TieTong Telecommunications 9808 2270 8699 26 CMNET-GD Guangdong Mobile Communication 17974 2257 968 51 TELKOMNET-AS2-AP PT Telekomunikasi Indo 4755 2133 421 171 TATACOMM-AS TATA Communications formerl
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 11492 3542 228 471 CABLEONE - CABLE ONE, INC., US 6327 3451 1324 83 SHAW - Shaw Communications Inc., CA 22773 3243 2971 156 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi 16509 2311 5005 813 AMAZON-02 - Amazon.com, Inc., US 18566 2157 405 109 MEGAPATH5-US - MegaPath Corporation, US 20115 2152 2739 521 CHARTER-NET-HKY-NC - Charter Communicat 16625 2107 1107 1545 AKAMAI-AS - Akamai Technologies, Inc., 5650 2085 3074 1461 FRONTIER-FRTR - Frontier Communications 30036 2047 346 149 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom 209 2044 5081 602 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
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 12479 4906 1613 129 UNI2-AS, ES 39891 3778 203 20 ALJAWWALSTC-AS, SA 8551 3054 378 50 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 2566 592 1915 AKAMAI-ASN1, US 12389 2112 2057 681 ROSTELECOM-AS, RU 34984 2047 337 509 TELLCOM-AS, TR 9121 1836 1691 17 TTNET, TR 13188 1604 100 45 TRIOLAN, UA 8402 1258 544 14 CORBINA-AS OJSC "Vimpelcom", RU 6849 1241 355 21 UKRTELNET, UA
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 8151 5420 3306 603 Uninet S.A. de C.V., MX 10620 3195 489 804 Telmex Colombia S.A., CO 11830 2654 370 81 Instituto Costarricense de Electricidad 6503 1648 444 65 Axtel, S.A.B. de C.V., MX 7303 1432 955 206 Telecom Argentina S.A., AR 28573 1121 2238 188 CLARO S.A., BR 6147 1036 377 31 Telefonica del Peru S.A.A., PE 3816 1014 509 121 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11172 933 144 71 Alestra, S. de R.L. de C.V., MX 18881 919 1114 28 TELEFÔNICA BRASIL S.A, BR
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 1205 396 48 LINKdotNET-AS, EG 37611 898 107 9 Afrihost, ZA 36903 795 399 143 MT-MPLS, MA 36992 747 1411 41 ETISALAT-MISR, EG 24835 653 802 18 RAYA-AS, EG 8452 607 1728 15 TE-AS TE-AS, EG 37492 465 470 57 ORANGE-, TN 29571 463 70 11 ORANGE-COTE-IVOIRE, CI 37342 394 32 1 MOVITEL, MZ 23889 375 231 15 MauritiusTelecom, MU
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 8151 5420 3306 603 Uninet S.A. de C.V., MX 12479 4906 1613 129 UNI2-AS, ES 4538 4645 4192 74 ERX-CERNET-BKB China Education and Rese 7545 4448 485 475 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 3778 203 20 ALJAWWALSTC-AS, SA 11492 3542 228 471 CABLEONE - CABLE ONE, INC., US 6327 3451 1324 83 SHAW - Shaw Communications Inc., CA 22773 3243 2971 156 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi 10620 3195 489 804 Telmex Colombia S.A., CO 8551 3054 378 50 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 12479 4906 4777 UNI2-AS, ES 4538 4645 4571 ERX-CERNET-BKB China Education and Research Net 7545 4448 3973 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 3778 3758 ALJAWWALSTC-AS, SA 6327 3451 3368 SHAW - Shaw Communications Inc., CA 22773 3243 3087 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 11492 3542 3071 CABLEONE - CABLE ONE, INC., US 8551 3054 3004 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 2995 2902 VIETEL-AS-AP Viettel Group, VN 45899 2762 2603 VNPT-AS-VN VNPT Corp, VN
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 230105 UNALLOCATED 38.110.79.0/24 23015 CMC180-TOR-AS - Cambridge Merc 64500 DOCUMENT 45.43.56.0/24 45474 NEXUSGUARD-AS-AP Suite 2101~02 268582 UNALLOCATED 45.162.232.0/22 268267 UNKNOWN 266842 UNALLOCATED 45.238.156.0/22 265680 HNTELCO S.A, HN 65001 PRIVATE 46.237.40.0/21 13118 ASN-YARTELECOM PJSC Rostelecom 64121 UNALLOCATED 98.159.9.0/24 19555 KMI-NETWORK - Kinder Morgan, I 64121 UNALLOCATED 98.159.12.0/24 19555 KMI-NETWORK - Kinder Morgan, I 64140 UNALLOCATED 98.159.14.0/24 64121 UNKNOWN 65001 PRIVATE 109.161.56.0/24 13118 ASN-YARTELECOM PJSC Rostelecom 64643 PRIVATE 119.44.18.0/24 9394 CTTNET China TieTong Telecommu
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 198.18.1.19/32 7497 CSTNET-AS-AP Computer Network Information Cente
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 27.100.7.0/24 56096 UNKNOWN 41.78.92.0/22 14988 BTC-GATE1, BW 41.78.180.0/23 37265 -Reserved AS-, ZZ 45.121.32.0/22 134356 UNKNOWN 45.121.136.0/22 22552 ESITED - eSited Solutions, US 45.124.164.0/22 38803 GTELECOM-AUSTRALIA Gtelecom-AUSTRALIA, AU 45.162.232.0/22 268582 UNKNOWN 45.252.236.0/22 38803 GTELECOM-AUSTRALIA Gtelecom-AUSTRALIA, AU 64.28.160.0/20 20475 AS20475 - Global Capacity, LLC, US 64.29.240.0/20 27279 -Reserved AS-, ZZ
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 /8:14 /9:11 /10:36 /11:98 /12:289 /13:565 /14:1102 /15:1884 /16:13324 /17:7886 /18:13749 /19:25336 /20:39508 /21:45872 /22:89199 /23:73143 /24:404197 /25:817 /26:618 /27:633 /28:38 /29:21 /30:21 /31:4 /32:52
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 12479 3683 4906 UNI2-AS, ES 6327 3237 3451 SHAW - Shaw Communications Inc., CA 39891 2946 3778 ALJAWWALSTC-AS, SA 11492 2796 3542 CABLEONE - CABLE ONE, INC., US 8551 2510 3054 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2505 3243 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 18566 2051 2157 MEGAPATH5-US - MegaPath Corporation, US 11830 2004 2654 Instituto Costarricense de Electricidad y Telec 30036 1795 2047 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi 5650 1762 2085 FRONTIER-FRTR - Frontier Communications of Amer
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:1602 2:885 4:18 5:2657 6:44 7:1 8:1139 12:1866 13:218 14:1822 15:33 16:3 17:193 18:55 20:50 23:2495 24:2428 25:2 27:2506 31:1977 32:88 35:29 36:537 37:2872 38:1547 39:261 40:121 41:3226 42:711 43:1947 44:122 45:5669 46:3060 47:217 49:1347 50:1062 51:318 52:1087 54:364 55:1 56:12 57:41 58:1622 59:987 60:417 61:2085 62:1874 63:1796 64:5042 65:2207 66:4799 67:2676 68:1155 69:3361 70:1155 71:579 72:2253 74:2725 75:419 76:459 77:1652 78:1721 79:2221 80:1566 81:1416 82:1061 83:786 84:1042 85:2015 86:560 87:1450 88:916 89:2350 90:207 91:6426 92:1283 93:2400 94:2436 95:2993 96:931 97:353 98:928 99:142 100:86 101:1185 102:232 103:18736 104:3545 105:218 106:772 107:1806 108:708 109:3361 110:1665 111:1811 112:1332 113:1307 114:1140 115:1680 116:1663 117:1787 118:2204 119:1679 120:1083 121:1045 122:2381 123:1645 124:1446 125:1934 128:1178 129:691 130:498 131:1631 132:732 133:191 134:1035 135:236 136:523 137:659 138:1937 139:691 140:546 141:753 142:855 143:1014 144:845 145:496 146:1238 147:741 148:1677 149:774 150:765 151:997 152:863 153:325 154:1874 155:932 156:1490 157:813 158:661 159:1867 160:1485 161:837 162:2652 163:625 164:1094 165:1555 166:453 167:1257 168:3166 169:850 170:3970 171:495 172:1033 173:2090 174:999 175:807 176:2100 177:4072 178:2513 179:1334 180:2119 181:2459 182:2378 183:1302 184:1144 185:14143 186:3587 187:2493 188:2916 189:2017 190:8212 191:1371 192:9857 193:6275 194:5103 195:4024 196:2759 197:1609 198:5662 199:5980 200:7322 201:4990 202:10228 203:10190 204:4600 205:3001 206:3211 207:3180 208:3929 209:4149 210:3830 211:1987 212:3030 213:2801 214:1047 215:54 216:6012 217:2149 218:864 219:573 220:1802 221:1000 222:986 223:1387
End of report
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