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[bgp-stats] IPv4 Routing Table Report - Japan (Global) view
IPv4 Routing Table Report 04:00 +10GMT Sun 15 Sep, 2024
IPv4 BGP Table (Global) as seen at Japan.
Report Website: https://thyme.apnic.net Detailed Analysis: https://thyme.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 959872 Prefixes after maximum aggregation (per Origin AS): 365854 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 465978 Number of IPv4 prefixes with a valid ROA: 401708 Number of IPv4 prefixes with an invalid ROA: 1288 Number of IPv4 prefixes with no ROA: 556876 Total ASes present in the Internet Routing Table: 76186 Prefixes per ASN: 12.60 Origin-only ASes present in the Internet Routing Table: 65228 Origin ASes announcing only one prefix: 26830 Transit ASes present in the Internet Routing Table: 10958 Transit-only ASes present in the Internet Routing Table: 527 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 84 Max AS path prepend of ASN (152107) 80 Prefixes from unregistered ASNs in the Routing Table: 1003 Number of instances of unregistered ASNs: 1013 Number of 32-bit ASNs allocated by the RIRs: 45368 Number of 32-bit ASNs visible in the Routing Table: 37060 Prefixes from 32-bit ASNs in the Routing Table: 192398 Number of bogon 32-bit ASNs visible in the Routing Table: 54 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 570 Number of addresses announced to Internet: 3034538240 Equivalent to 180 /8s, 223 /16s and 97 /24s Percentage of available address space announced: 82.0 Percentage of allocated address space announced: 82.0 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 314028
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 257572 Total APNIC prefixes after maximum aggregation: 75580 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 249223 Unique aggregates announced from the APNIC address blocks: 100735 APNIC Region origin ASes present in the Internet Routing Table: 14340 APNIC Prefixes per ASN: 17.38 APNIC Region origin ASes announcing only one prefix: 4372 APNIC Region transit ASes present in the Internet Routing Table: 1912 Average APNIC Region AS path length visible: 5.5 Max APNIC Region AS path length visible: 84 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9758 Number of APNIC addresses announced to Internet: 762136192 Equivalent to 45 /8s, 109 /16s and 70 /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, 131072-153913 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: 279841 Total ARIN prefixes after maximum aggregation: 126102 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 283767 Unique aggregates announced from the ARIN address blocks: 134983 ARIN Region origin ASes present in the Internet Routing Table: 19158 ARIN Prefixes per ASN: 14.81 ARIN Region origin ASes announcing only one prefix: 6965 ARIN Region transit ASes present in the Internet Routing Table: 2009 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5004 Number of ARIN addresses announced to Internet: 1266919424 Equivalent to 75 /8s, 131 /16s and 168 /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, 393216-402332 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, 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: 266694 Total RIPE prefixes after maximum aggregation: 128727 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 263022 Unique aggregates announced from the RIPE address blocks: 166922 RIPE Region origin ASes present in the Internet Routing Table: 28733 RIPE Prefixes per ASN: 9.15 RIPE Region origin ASes announcing only one prefix: 12125 RIPE Region transit ASes present in the Internet Routing Table: 3983 Average RIPE Region AS path length visible: 5.4 Max RIPE Region AS path length visible: 43 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11994 Number of RIPE addresses announced to Internet: 723307648 Equivalent to 43 /8s, 28 /16s and 204 /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 196608-216475 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: 122589 Total LACNIC prefixes after maximum aggregation: 28386 LACNIC Deaggregation factor: 4.32 Prefixes being announced from the LACNIC address blocks: 120394 Unique aggregates announced from the LACNIC address blocks: 48503 LACNIC Region origin ASes present in the Internet Routing Table: 11157 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2687 LACNIC Region transit ASes present in the Internet Routing Table: 2484 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 61 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9061 Number of LACNIC addresses announced to Internet: 177675008 Equivalent to 10 /8s, 151 /16s and 27 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 32173 Total AfriNIC prefixes after maximum aggregation: 6413 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 42896 Unique aggregates announced from the AfriNIC address blocks: 14357 AfriNIC Region origin ASes present in the Internet Routing Table: 1877 AfriNIC Prefixes per ASN: 22.85 AfriNIC Region origin ASes announcing only one prefix: 681 AfriNIC Region transit ASes present in the Internet Routing Table: 365 Average AfriNIC Region AS path length visible: 6.0 Max AfriNIC Region AS path length visible: 30 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1243 Number of AfriNIC addresses announced to Internet: 104188672 Equivalent to 6 /8s, 53 /16s and 203 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 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 9808 9947 8747 80 CHINAMOBILE-CN China Mobile Communication 7545 5706 840 658 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4950 4192 74 ERX-CERNET-BKB China Education and Resear 18403 4304 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3983 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3789 508 261 BBIL-AP BHARTI Airtel Ltd., IN 7713 3617 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3261 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2809 843 466 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4766 2272 11520 578 KIXS-AS-KR Korea Telecom, KR
Complete listing at https://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 16509 10702 11805 3750 AMAZON-02, US 11492 4642 308 545 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 174 3919 8780 902 COGENT-174, US 6327 3602 1320 79 SHAW, CA 749 3485 55081 2708 DNIC-AS-00749, US 22773 3426 3035 187 ASN-CXA-ALL-CCI-22773-RDC, US 7018 3082 23685 1933 ATT-INTERNET4, US 16625 2856 1268 2131 AKAMAI-AS, US 396982 2814 3570 432 GOOGLE-CLOUD-PLATFORM, US
Complete listing at https://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 12479 7639 1708 145 UNI2-AS, ES 39891 4466 269 55 ALJAWWALSTC-AS, SA 20940 3826 3395 129 AKAMAI-ASN1, NL 9009 3673 313 1864 M247, RO 12389 2938 2295 888 ROSTELECOM-AS, RU 34984 2334 359 585 TELLCOM-AS, TR 212238 1810 129 1333 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1580 1852 14 TE-AS TE-AS, EG 8551 1419 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet
Complete listing at https://thyme.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 11694 3251 497 UNINET, MX 10620 3543 494 935 Telmex Colombia S.A., CO 13999 2552 534 364 Mega Cable, S.A. de C.V., MX 11830 2009 369 64 Instituto Costarricense de Electricidad y 28573 1336 2309 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1320 780 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 11664 1180 278 33 Techtel LMDS Comunicaciones Interactivas 6503 1148 374 163 Axtel, S.A.B. de C.V., MX 6147 1102 369 22 Telefonica del Peru S.A.A., PE 22884 1068 95 376 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
Complete listing at https://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 24835 1612 593 29 RAYA-AS, EG 24863 1607 389 16 LINKdotNET-AS, EG 36992 1411 1519 282 ETISALAT-MISR, EG 29571 1336 85 65 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 953 523 48 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 36914 544 82 3 KENET-AS, KE 15399 512 57 58 WANANCHI-, KE 24757 438 73 5 EthioNet-AS, ET
Complete listing at https://thyme.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary ----------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 11694 3251 497 UNINET, MX 16509 10702 11805 3750 AMAZON-02, US 9808 9947 8747 80 CHINAMOBILE-CN China Mobile Communication 12479 7639 1708 145 UNI2-AS, ES 7545 5706 840 658 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4950 4192 74 ERX-CERNET-BKB China Education and Resear 11492 4642 308 545 CABLEONE, US 39891 4466 269 55 ALJAWWALSTC-AS, SA 18403 4304 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4169 287 89 VIASAT-SP-BACKBONE, US
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary -----------------------------------------
ASN No of nets Net Savings Description 9808 9947 9867 CHINAMOBILE-CN China Mobile Communications Grou 12479 7639 7494 UNI2-AS, ES 16509 10702 6952 AMAZON-02, US 7545 5706 5048 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4950 4876 ERX-CERNET-BKB China Education and Research Net 39891 4466 4411 ALJAWWALSTC-AS, SA 18403 4304 4281 FPT-AS-AP FPT Telecom Company, VN 11492 4642 4097 CABLEONE, US 7155 4169 4080 VIASAT-SP-BACKBONE, US 7552 3983 3962 VIETEL-AS-AP Viettel Group, VN
Complete listing at https://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US 396894 UNALLOCATED 8.28.201.0/24 46887 CROWNCASTLE-AS46887, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US
Complete listing at https://thyme.apnic.net/current/data-badAS
Prefixes from the Special Purpose Address Registry (Global) -----------------------------------------------------------
Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE, US
Complete listing at https://thyme.apnic.net/current/data-spar
Advertised Unallocated Addresses --------------------------------
Unassigned Network ASN Information AS Name 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 6939 HURRICANE, US 23.137.192.0/24 Origin: 31798 DATACITY, CA 23.137.192.0/24 Transit: 21949 BEANFIELD, CA 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US
Complete listing at https://thyme.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 /9:16 /10:37 /11:92 /12:295 /13:575 /14:1167 /15:2070 /16:13236 /17:8272 /18:13756 /19:24661 /20:44584 /21:52066 /22:111902 /23:100372 /24:586037 /25:718 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 12479 6694 7639 UNI2-AS, ES 8151 5862 11694 UNINET, MX 11492 3553 4642 CABLEONE, US 6327 3397 3602 SHAW, CA 39891 3356 4466 ALJAWWALSTC-AS, SA 7155 3113 4169 VIASAT-SP-BACKBONE, US 22773 2560 3426 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2172 3543 Telmex Colombia S.A., CO 16509 2164 10702 AMAZON-02, US 30036 2154 2491 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:2310 2:1526 3:471 4:7 5:4484 6:161 7:6 8:1514 9:1 11:172 12:1429 13:375 14:2415 15:328 16:259 17:361 18:883 20:408 21:4 22:188 23:6864 24:2681 25:2 27:2573 29:19 31:2730 32:47 34:66 35:139 36:2369 37:4498 38:8558 39:916 40:149 41:4116 42:1988 43:2453 44:332 45:17553 46:4619 47:298 49:1997 50:1875 51:574 52:1580 54:314 55:957 56:8 57:216 58:2249 59:1267 60:1065 61:2733 62:2777 63:1850 64:5437 65:2274 66:4668 67:3029 68:1344 69:4003 70:1144 71:566 72:2859 74:2668 75:1568 76:622 77:2536 78:1856 79:1598 80:2209 81:2028 82:1687 83:1377 84:1768 85:3166 86:995 87:2334 88:1251 89:4303 90:682 91:8228 92:2491 93:2762 94:3776 95:4278 96:1274 97:316 98:1067 99:737 100:73 101:1166 102:3377 103:32291 104:4379 105:704 106:994 107:2383 108:1168 109:3951 110:2133 111:3294 112:2059 113:1816 114:1895 115:2088 116:1987 117:2676 118:2872 119:1980 120:1833 121:1416 122:2707 123:2165 124:1635 125:2854 126:64 128:1407 129:942 130:1221 131:1857 132:822 133:428 134:1509 135:310 136:1200 137:1109 138:2845 139:1520 140:1450 141:1449 142:1745 143:1619 144:1026 145:366 146:2095 147:2038 148:2541 149:2802 150:1067 151:1368 152:2102 153:502 154:6536 155:1436 156:2452 157:1811 158:1182 159:2448 160:3068 161:1711 162:3560 163:1761 164:1686 165:2144 166:1313 167:1845 168:4058 169:807 170:4959 171:1049 172:3915 173:3089 174:904 175:1233 176:3464 177:4784 178:3607 179:2198 180:2457 181:3895 182:3318 183:2040 184:2254 185:21059 186:5009 187:4275 188:4120 189:4133 190:9611 191:1517 192:11070 193:9245 194:7545 195:5400 196:3227 197:2994 198:6049 199:8121 200:8193 201:6355 202:10531 203:10368 204:4587 205:3702 206:4530 207:3644 208:4192 209:5138 210:4775 211:2664 212:4440 213:3670 214:1058 215:63 216:6702 217:2948 218:1413 219:556 220:2034 221:1047 222:874 223:2259
End of report
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