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
1,094
last 30 d
Open IPs
2,011,267
last 90 d
Hosting share
13.2%
of open IPs
Threat hits
502
IOC matches

Top ASNs

ASN Name Open IPs
AS2506 NTT WEST CHUGOKU CORPORATION 44,228
AS2514 NTT PC Communications (InfoSphere) 41,764
AS4713 NTT Communications Corporation (OCN) 37,275
AS9597 KDDI Web Communications 33,655
AS20940 Akamai Technologies 21,552
AS2527 Sony Network Communications 21,479
AS2907 National Institute of Informatics 20,396
AS16509 Amazon.com 16,860
AS4694 IDC Frontier Inc. 16,552
AS131965 XSERVER 13,008
AS8075 Microsoft 11,442
AS7684 SAKURA-A 11,160
AS17506 ARTERIA Networks Corporation (UCOM) 10,171
AS2497 Internet Initiative Japan 9,667
AS18126 Chubu Telecommunications Co.,Inc. (ctc) 8,354
AS31898 Oracle Cloud Infrastructure 8,232
AS24282 KAGOYA JAPAN 6,978
AS2516 KDDI 6,869
AS132203 Tencent Global 6,633
AS9370 SAKURA internet AS9370 6,505

Top Hosting Providers

ASN Name Open IPs
AS2514 NTT PC Communications (InfoSphere) 41,764
AS4713 NTT Communications Corporation (OCN) 37,275
AS9597 KDDI Web Communications 33,655
AS20940 Akamai Technologies 21,552
AS2527 Sony Network Communications 21,479
AS2907 National Institute of Informatics 20,396
AS4694 IDC Frontier Inc. 16,552
AS131965 XSERVER 13,008
AS8075 Microsoft 11,442
AS17506 ARTERIA Networks Corporation (UCOM) 10,171
AS2497 Internet Initiative Japan 9,667
AS31898 Oracle Cloud Infrastructure 8,232
AS24282 KAGOYA JAPAN 6,978
AS2516 KDDI 6,869
AS132203 Tencent Global 6,633

Top open ports

Port Hosts
443 77,487
80 72,027
22 31,557
2000 28,739
5060 27,728
7547 25,203
21 20,224
25 19,660
587 15,559
110 14,798
143 14,546
995 14,207
465 13,339
8080 13,158
993 12,780

Tech-Stack Distribution

Technology Hosts
jQuery 5,892
Google Analytics 1,566
Google Tag Manager 1,511
Google Hosted Libraries 1,140
Bootstrap 1,120
PHP 1,088
Vue.js 1,060
MySQL 1,044
WordPress 1,042
Nuxt.js 887
jsDelivr 822
jQuery UI 760
jQuery Migrate 660
Slick 611
Cloudflare 539

Top Server headers

Server Hosts
Apache 26,792
AkamaiGHost 13,418
nginx 12,348
Microsoft-IIS/10.0 1,725
nginx/1.24.0 (Ubuntu) 1,603
nginx/1.18.0 (Ubuntu) 1,519
Microsoft-HTTPAPI/2.0 1,275
Apache/2.4.52 (Ubuntu) 950
nginx/1.22.1 914
openresty 837
Caddy 768
Router 733
Apache/2.2.15 (CentOS) 710
nginx/1.20.1 691
ver2.4 rev0 441

Top Attack Sources

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