Check-Host.cc

US
Country

United States

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

ASNs observed
13,299
last 30 d
Open IPs
16,768,791
last 90 d
Hosting share
8.6%
of open IPs
Threat hits
5,418
IOC matches

Top ASNs

ASN Name Open IPs
AS396982 Google Cloud 909,768
AS16509 Amazon.com 377,878
AS22394 CELLCO 214,206
AS174 Cogent Communications, Inc. 189,972
AS20940 Akamai Technologies 162,721
AS19551 Thales/Imperva 160,926
AS14061 DigitalOcean 114,084
AS209 Lumen AS209 110,856
AS8075 Microsoft 106,553
AS7922 Comcast 85,579
AS46606 Endurance International Group, Inc 79,741
AS3257 GTT Communications (AS3257) 79,197
AS5650 Frontier Communications of America (FCA) 79,047
AS237 Merit Network 77,139
AS26496 GoDaddy 71,797
AS36352 ColoCrossing 68,215
AS2769 60,680
AS40509 60,165
AS98 59,663
AS31898 Oracle Cloud Infrastructure 54,508

Top Hosting Providers

ASN Name Open IPs
AS174 Cogent Communications, Inc. 189,979
AS20940 Akamai Technologies 162,721
AS19551 Thales/Imperva 160,926
AS14061 DigitalOcean 114,084
AS209 Lumen AS209 110,858
AS8075 Microsoft 106,553
AS46606 Endurance International Group, Inc 79,744
AS3257 GTT Communications (AS3257) 79,197
AS5650 Frontier Communications of America (FCA) 79,047
AS237 Merit Network 77,139
AS26496 GoDaddy 71,797
AS36352 ColoCrossing 68,215
AS31898 Oracle Cloud Infrastructure 54,508
AS7018 AT&T US - 7018 48,982
AS701 Verizon 42,988

Top open ports

Port Hosts
443 851,867
80 755,118
22 359,416
7547 325,467
4567 316,611
21 159,165
2000 154,745
60000 141,322
40000 140,844
25 135,256
8080 128,213
5060 125,745
53 124,050
8443 123,249
8000 121,857

Tech-Stack Distribution

Technology Hosts
jQuery 30,485
Bootstrap 11,086
jQuery UI 4,821
Google Analytics 4,672
Google Tag Manager 4,599
PHP 4,385
MySQL 4,117
WordPress 4,101
jQuery Migrate 4,030
Modernizr 3,565
jsDelivr 2,934
Popper 1,956
cdnjs 1,942
Cloudflare 1,942
RequireJS 1,917

Top Server headers

Server Hosts
CloudFront 177,881
nginx 128,307
AkamaiGHost 105,457
Apache 64,570
squid/3.5.20 17,909
nginx/1.24.0 (Ubuntu) 16,463
Microsoft-IIS/10.0 15,302
Microsoft-HTTPAPI/2.0 14,962
nginx/1.18.0 (Ubuntu) 12,251
Caddy 8,795
gws 8,123
openresty 7,682
awselb/2.0 7,488
AmazonS3 7,444
openresty/1.31.1.1 7,162

Top Attack Sources

Feed Category Matched IPs
firehol-l1 abuse 2,075
spamhaus-drop spam 2,066
tor-exit anonymizer 1,277