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[bgp-stats] IPv4 Routing Table Report - Japan (Global) view
IPv4 Routing Table Report 04:00 +10GMT Fri 11 Mar, 2022
BGP Table (Global) as seen in Japan.
Report Website: https://thyme.apnic.net Detailed Analysis: https://thyme.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 891968 Prefixes after maximum aggregation (per Origin AS): 336039 Deaggregation factor: 2.65 Unique aggregates announced (without unneeded subnets): 428719 Total ASes present in the Internet Routing Table: 72816 Prefixes per ASN: 12.25 Origin-only ASes present in the Internet Routing Table: 62496 Origin ASes announcing only one prefix: 25685 Transit ASes present in the Internet Routing Table: 10320 Transit-only ASes present in the Internet Routing Table: 379 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 53 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 954 Number of instances of unregistered ASNs: 957 Number of 32-bit ASNs allocated by the RIRs: 38750 Number of 32-bit ASNs visible in the Routing Table: 32250 Prefixes from 32-bit ASNs in the Routing Table: 150869 Number of bogon 32-bit ASNs visible in the Routing Table: 23 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 543 Number of addresses announced to Internet: 3069094912 Equivalent to 182 /8s, 238 /16s and 172 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 302627
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 233343 Total APNIC prefixes after maximum aggregation: 66150 APNIC Deaggregation factor: 3.53 Prefixes being announced from the APNIC address blocks: 228335 Unique aggregates announced from the APNIC address blocks: 94478 APNIC Region origin ASes present in the Internet Routing Table: 12461 APNIC Prefixes per ASN: 18.32 APNIC Region origin ASes announcing only one prefix: 3552 APNIC Region transit ASes present in the Internet Routing Table: 1716 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7665 Number of APNIC addresses announced to Internet: 775081600 Equivalent to 46 /8s, 50 /16s and 206 /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, 131072-151865 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: 260305 Total ARIN prefixes after maximum aggregation: 119460 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 260281 Unique aggregates announced from the ARIN address blocks: 124020 ARIN Region origin ASes present in the Internet Routing Table: 18979 ARIN Prefixes per ASN: 13.71 ARIN Region origin ASes announcing only one prefix: 6893 ARIN Region transit ASes present in the Internet Routing Table: 1961 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 32 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4388 Number of ARIN addresses announced to Internet: 1295712000 Equivalent to 77 /8s, 58 /16s and 255 /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, 393216-401308 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: 255438 Total RIPE prefixes after maximum aggregation: 116914 RIPE Deaggregation factor: 2.18 Prefixes being announced from the RIPE address blocks: 252631 Unique aggregates announced from the RIPE address blocks: 149779 RIPE Region origin ASes present in the Internet Routing Table: 28080 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12047 RIPE Region transit ASes present in the Internet Routing Table: 3961 Average RIPE Region AS path length visible: 4.3 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10641 Number of RIPE addresses announced to Internet: 713773184 Equivalent to 42 /8s, 139 /16s and 80 /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 196608-213403 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: 114305 Total LACNIC prefixes after maximum aggregation: 27405 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 114310 Unique aggregates announced from the LACNIC address blocks: 48177 LACNIC Region origin ASes present in the Internet Routing Table: 10927 LACNIC Prefixes per ASN: 10.46 LACNIC Region origin ASes announcing only one prefix: 2640 LACNIC Region transit ASes present in the Internet Routing Table: 2201 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 53 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8621 Number of LACNIC addresses announced to Internet: 176290048 Equivalent to 10 /8s, 129 /16s and 249 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 27623 Total AfriNIC prefixes after maximum aggregation: 5412 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 35868 Unique aggregates announced from the AfriNIC address blocks: 11820 AfriNIC Region origin ASes present in the Internet Routing Table: 1601 AfriNIC Prefixes per ASN: 22.40 AfriNIC Region origin ASes announcing only one prefix: 553 AfriNIC Region transit ASes present in the Internet Routing Table: 319 Average AfriNIC Region AS path length visible: 5.2 Max AfriNIC Region AS path length visible: 34 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 935 Number of AfriNIC addresses announced to Internet: 107887360 Equivalent to 6 /8s, 110 /16s and 59 /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 9104 8886 46 CHINAMOBILE-CN China Mobile Communicati 7545 5883 788 693 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4684 4192 74 ERX-CERNET-BKB China Education and Rese 7552 3603 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3490 1038 51 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3436 1880 57 VNPT-AS-VN VNPT Corp, VN 4766 2547 11122 623 KIXS-AS-KR Korea Telecom, KR 9498 2384 475 238 BBIL-AP BHARTI Airtel Ltd., IN 45090 2169 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2109 429 197 TATACOMM-AS TATA Communications formerl
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 6370 10250 2646 AMAZON-02, US 11492 4448 295 738 CABLEONE, US 22773 3947 3061 369 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3895 263 26 VIASAT-SP-BACKBONE, US 16625 3653 1882 2572 AKAMAI-AS, US 6327 3401 1318 62 SHAW, CA 749 2884 50780 2140 DNIC-AS-00749, US 30036 2613 374 134 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2518 4962 429 CENTURYLINK-US-LEGACY-QWEST, US 20115 2256 3042 499 CHARTER-20115, 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 6803 1730 149 UNI2-AS, ES 9121 6698 1692 17 TTNET, TR 8551 4014 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3933 3348 214 AKAMAI-ASN1, NL 39891 3818 220 33 ALJAWWALSTC-AS, SA 12389 2959 2274 909 ROSTELECOM-AS, RU 6849 2531 355 21 UKRTELNET, UA 9009 2468 249 1287 M247, GB 34984 2242 359 611 TELLCOM-AS, TR 47331 2068 328 1582 TTNET, TR
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 10433 3423 562 Uninet S.A. de C.V., MX 10620 3469 518 716 Telmex Colombia S.A., CO 11830 2429 369 62 Instituto Costarricense de Electricidad 13999 1704 291 470 Mega Cable, S.A. de C.V., MX 6503 1441 354 524 Axtel, S.A.B. de C.V., MX 28573 1396 2332 248 CLARO S.A., BR 3816 1254 666 146 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1138 2349 136 TIM SA, BR 6147 1090 369 21 Telefonica del Peru S.A.A., PE 11664 1006 192 448 Techtel LMDS Comunicaciones Interactiva
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 24863 1589 393 21 LINKdotNET-AS, EG 24835 1545 523 32 RAYA-AS, EG 36992 1300 1518 262 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 907 64 62 ORANGE-COTE-IVOIRE, CI 36935 729 521 40 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 517 51 34 WANANCHI-, KE 37342 469 32 1 MOVITEL, MZ 23889 422 232 16 MauritiusTelecom, MU
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 10433 3423 562 Uninet S.A. de C.V., MX 9808 9104 8886 46 CHINAMOBILE-CN China Mobile Communicati 12479 6803 1730 149 UNI2-AS, ES 9121 6698 1692 17 TTNET, TR 16509 6370 10250 2646 AMAZON-02, US 7545 5883 788 693 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4684 4192 74 ERX-CERNET-BKB China Education and Rese 11492 4448 295 738 CABLEONE, US 8551 4014 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 22773 3947 3061 369 ASN-CXA-ALL-CCI-22773-RDC, 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 9104 9058 CHINAMOBILE-CN China Mobile Communications Grou 9121 6698 6681 TTNET, TR 12479 6803 6654 UNI2-AS, ES 7545 5883 5190 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4684 4610 ERX-CERNET-BKB China Education and Research Net 8551 4014 3975 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3895 3869 VIASAT-SP-BACKBONE, US 39891 3818 3785 ALJAWWALSTC-AS, SA 16509 6370 3724 AMAZON-02, US 20940 3933 3719 AKAMAI-ASN1, NL
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 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 46990 UNALLOCATED 8.5.242.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 395056 UNALLOCATED 8.45.133.0/24 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 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW 41.57.124.0/24 Origin: 37442 UNASSIGNED 41.57.124.0/24 Transit: 37204 TELONE, ZW
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 /9:13 /10:40 /11:102 /12:305 /13:590 /14:1206 /15:2033 /16:13580 /17:8322 /18:13907 /19:25178 /20:43183 /21:52412 /22:108206 /23:95230 /24:526852 /25:793 /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 9121 5850 6698 TTNET, TR 12479 5784 6803 UNI2-AS, ES 8151 4096 10433 Uninet S.A. de C.V., MX 8551 3479 4014 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3361 4448 CABLEONE, US 6327 3213 3401 SHAW, CA 39891 3130 3818 ALJAWWALSTC-AS, SA 7155 2988 3895 VIASAT-SP-BACKBONE, US 22773 2937 3947 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2428 2531 UKRTELNET, UA
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:1720 2:1053 3:154 4:7 5:3786 6:112 7:5 8:1546 9:1 11:172 12:1714 13:306 14:2391 15:171 16:43 17:376 18:146 20:183 21:4 22:188 23:5517 24:2333 25:6 27:2605 29:19 31:2420 32:96 34:1 35:63 36:1747 37:4345 38:2605 39:696 40:150 41:3943 42:846 43:2102 44:297 45:16036 46:4135 47:348 49:1685 50:1912 51:107 52:1374 53:1 54:328 55:761 56:8 57:58 58:1776 59:1200 60:966 61:2264 62:2457 63:1946 64:5476 65:2306 66:4874 67:2958 68:1193 69:4155 70:1351 71:670 72:3074 74:2629 75:1517 76:716 77:2107 78:3877 79:3105 80:1937 81:1682 82:1474 83:1214 84:1346 85:3641 86:719 87:1951 88:2657 89:3239 90:516 91:7603 92:1997 93:2577 94:3500 95:4779 96:1312 97:347 98:987 99:866 100:75 101:1034 102:1985 103:28489 104:4260 105:460 106:851 107:2497 108:796 109:4175 110:2073 111:3268 112:2007 113:1495 114:1492 115:1953 116:1904 117:2510 118:2251 119:1860 120:1673 121:1060 122:2555 123:2113 124:1614 125:2107 128:1191 129:1190 130:925 131:2072 132:745 133:373 134:1932 135:290 136:876 137:868 138:2438 139:1240 140:1137 141:1383 142:1279 143:1492 144:1228 145:344 146:1764 147:1496 148:2206 149:1710 150:854 151:1078 152:1838 153:458 154:3612 155:1436 156:1882 157:1237 158:1025 159:2072 160:2405 161:1310 162:3456 163:1226 164:1675 165:1598 166:675 167:1714 168:3724 169:690 170:4407 171:823 172:3046 173:3080 174:1021 175:1127 176:3505 177:4559 178:3433 179:1959 180:2275 181:2939 182:3230 183:1944 184:2388 185:19368 186:4319 187:3644 188:3856 189:3087 190:8867 191:1310 192:11034 193:8555 194:6956 195:4957 196:2941 197:2357 198:6003 199:6018 200:7518 201:5649 202:10453 203:9981 204:4556 205:3377 206:3775 207:3387 208:4038 209:4656 210:4254 211:2447 212:3994 213:3387 214:1161 215:64 216:6432 217:2632 218:1246 219:596 220:1953 221:984 222:848 223:2172
End of report
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