Check-Host.cc

JP
Country

Japan

Aggregated network and security signals for Japan, sourced from BGP feeds, CT logs, our scan layer and honeypot network.

ASNs observed
1,095
last 30 d
Open IPs
2,016,513
last 90 d
Hosting share
13.5%
of open IPs
Threat hits
502
IOC matches

Top ASNs

ASN Name Open IPs
AS2506 NTT WEST CHUGOKU CORPORATION 44,246
AS2514 NTT PC Communications (InfoSphere) 42,540
AS4713 NTT Communications Corporation (OCN) 38,056
AS9597 KDDI Web Communications 34,316
AS20940 Akamai Technologies 22,049
AS2527 Sony Network Communications 21,963
AS2907 National Institute of Informatics 20,804
AS16509 Amazon.com 16,935
AS4694 IDC Frontier Inc. 16,856
AS131965 XSERVER 13,307
AS8075 Microsoft 11,829
AS7684 SAKURA-A 11,378
AS17506 ARTERIA Networks Corporation (UCOM) 10,388
AS2497 Internet Initiative Japan 9,865
AS18126 Chubu Telecommunications Co.,Inc. (ctc) 8,541
AS31898 Oracle Cloud Infrastructure 8,419
AS24282 KAGOYA JAPAN 7,117
AS2516 KDDI 7,022
AS132203 Tencent Global 6,786
AS9370 SAKURA internet AS9370 6,628

Top Hosting Providers

ASN Name Open IPs
AS2514 NTT PC Communications (InfoSphere) 42,540
AS4713 NTT Communications Corporation (OCN) 38,056
AS9597 KDDI Web Communications 34,316
AS20940 Akamai Technologies 22,049
AS2527 Sony Network Communications 21,963
AS2907 National Institute of Informatics 20,804
AS4694 IDC Frontier Inc. 16,856
AS131965 XSERVER 13,307
AS8075 Microsoft 11,829
AS17506 ARTERIA Networks Corporation (UCOM) 10,388
AS2497 Internet Initiative Japan 9,865
AS31898 Oracle Cloud Infrastructure 8,419
AS24282 KAGOYA JAPAN 7,117
AS2516 KDDI 7,022
AS132203 Tencent Global 6,786

Top open ports

Port Hosts
443 79,088
80 73,697
22 32,253
2000 29,420
5060 28,287
7547 25,788
21 20,718
25 20,065
587 15,950
110 15,128
143 14,832
995 14,566
465 13,684
8080 13,500
993 13,044

Tech-Stack Distribution

Technology Hosts
jQuery 6,044
Google Analytics 1,602
Google Tag Manager 1,547
Google Hosted Libraries 1,169
Bootstrap 1,148
PHP 1,115
Vue.js 1,087
MySQL 1,069
WordPress 1,067
Nuxt.js 907
jsDelivr 839
jQuery UI 776
jQuery Migrate 674
Slick 620
Cloudflare 553

Top Server headers

Server Hosts
Apache 27,487
AkamaiGHost 13,818
nginx 12,663
Microsoft-IIS/10.0 1,794
nginx/1.24.0 (Ubuntu) 1,642
nginx/1.18.0 (Ubuntu) 1,563
Microsoft-HTTPAPI/2.0 1,325
Apache/2.4.52 (Ubuntu) 978
nginx/1.22.1 947
openresty 861
Caddy 790
Router 758
Apache/2.2.15 (CentOS) 724
nginx/1.20.1 712
ver2.4 rev0 456

Top Attack Sources

Feed Category Matched IPs
spamhaus-drop spam 246
firehol-l1 abuse 238
tor-exit anonymizer 18