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
2,015,627
last 90 d
Hosting share
13.4%
of open IPs
Threat hits
502
IOC matches

Top ASNs

ASN Name Open IPs
AS2506 NTT WEST CHUGOKU CORPORATION 44,238
AS2514 NTT PC Communications (InfoSphere) 42,353
AS4713 NTT Communications Corporation (OCN) 37,924
AS9597 KDDI Web Communications 34,176
AS20940 Akamai Technologies 21,972
AS2527 Sony Network Communications 21,875
AS2907 National Institute of Informatics 20,734
AS16509 Amazon.com 16,922
AS4694 IDC Frontier Inc. 16,801
AS131965 XSERVER 13,244
AS8075 Microsoft 11,759
AS7684 SAKURA-A 11,337
AS17506 ARTERIA Networks Corporation (UCOM) 10,343
AS2497 Internet Initiative Japan 9,823
AS18126 Chubu Telecommunications Co.,Inc. (ctc) 8,502
AS31898 Oracle Cloud Infrastructure 8,389
AS24282 KAGOYA JAPAN 7,090
AS2516 KDDI 6,997
AS132203 Tencent Global 6,763
AS9370 SAKURA internet AS9370 6,603

Top Hosting Providers

ASN Name Open IPs
AS2514 NTT PC Communications (InfoSphere) 42,353
AS4713 NTT Communications Corporation (OCN) 37,924
AS9597 KDDI Web Communications 34,176
AS20940 Akamai Technologies 21,972
AS2527 Sony Network Communications 21,875
AS2907 National Institute of Informatics 20,734
AS4694 IDC Frontier Inc. 16,801
AS131965 XSERVER 13,244
AS8075 Microsoft 11,759
AS17506 ARTERIA Networks Corporation (UCOM) 10,343
AS2497 Internet Initiative Japan 9,823
AS31898 Oracle Cloud Infrastructure 8,389
AS24282 KAGOYA JAPAN 7,090
AS2516 KDDI 6,997
AS132203 Tencent Global 6,763

Top open ports

Port Hosts
443 78,787
80 73,389
22 32,114
2000 29,283
5060 28,177
7547 25,678
21 20,624
25 19,979
587 15,862
110 15,076
143 14,769
995 14,503
465 13,620
8080 13,424
993 12,987

Tech-Stack Distribution

Technology Hosts
jQuery 5,999
Google Analytics 1,595
Google Tag Manager 1,540
Google Hosted Libraries 1,162
Bootstrap 1,144
PHP 1,107
Vue.js 1,083
MySQL 1,061
WordPress 1,059
Nuxt.js 906
jsDelivr 833
jQuery UI 776
jQuery Migrate 670
Slick 617
Cloudflare 550

Top Server headers

Server Hosts
Apache 27,344
AkamaiGHost 13,759
nginx 12,600
Microsoft-IIS/10.0 1,780
nginx/1.24.0 (Ubuntu) 1,634
nginx/1.18.0 (Ubuntu) 1,553
Microsoft-HTTPAPI/2.0 1,317
Apache/2.4.52 (Ubuntu) 971
nginx/1.22.1 939
openresty 858
Caddy 788
Router 754
Apache/2.2.15 (CentOS) 723
nginx/1.20.1 709
ver2.4 rev0 452

Top Attack Sources

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