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
13,271
last 30 d
Open IPs
16,588,466
last 90 d
Hosting share
9.2%
of open IPs
Threat hits
5,418
IOC matches

Top ASNs

ASN Name Open IPs
AS396982 Google Cloud 927,076
AS16509 Amazon.com 452,584
AS22394 CELLCO 229,431
AS174 Cogent Communications, Inc. 200,230
AS20940 Akamai Technologies 172,815
AS19551 Thales/Imperva 160,991
AS14061 DigitalOcean 121,525
AS209 Lumen AS209 117,855
AS8075 Microsoft 115,862
AS7922 Comcast 90,271
AS3257 GTT Communications (AS3257) 84,094
AS5650 Frontier Communications of America (FCA) 83,810
AS46606 Endurance International Group, Inc 82,453
AS237 Merit Network 77,149
AS26496 GoDaddy 74,786
AS36352 ColoCrossing 72,529
AS2769 60,691
AS40509 60,166
AS98 59,663
AS31898 Oracle Cloud Infrastructure 57,050

Top Hosting Providers

ASN Name Open IPs
AS174 Cogent Communications, Inc. 200,230
AS20940 Akamai Technologies 172,815
AS19551 Thales/Imperva 160,991
AS14061 DigitalOcean 121,525
AS209 Lumen AS209 117,855
AS8075 Microsoft 115,862
AS3257 GTT Communications (AS3257) 84,094
AS5650 Frontier Communications of America (FCA) 83,810
AS46606 Endurance International Group, Inc 82,453
AS237 Merit Network 77,149
AS26496 GoDaddy 74,786
AS36352 ColoCrossing 72,529
AS31898 Oracle Cloud Infrastructure 57,050
AS7018 AT&T US - 7018 51,879
AS701 Verizon 45,776

Top open ports

Port Hosts
443 935,448
80 824,134
22 392,174
7547 347,468
4567 338,820
21 169,504
2000 163,635
60000 151,644
40000 150,524
25 143,221
8080 138,157
5060 133,690
8443 131,791
53 130,188
8000 129,049

Tech-Stack Distribution

Technology Hosts
jQuery 27,859
Bootstrap 10,120
jQuery UI 4,360
Google Analytics 4,250
Google Tag Manager 4,185
PHP 4,016
MySQL 3,763
WordPress 3,748
jQuery Migrate 3,672
Modernizr 3,257
jsDelivr 2,691
Popper 1,778
Cloudflare 1,763
cdnjs 1,763
RequireJS 1,752

Top Server headers

Server Hosts
CloudFront 162,780
nginx 117,898
AkamaiGHost 96,450
Apache 59,144
squid/3.5.20 16,274
nginx/1.24.0 (Ubuntu) 15,057
Microsoft-IIS/10.0 13,905
Microsoft-HTTPAPI/2.0 13,497
nginx/1.18.0 (Ubuntu) 11,266
Caddy 8,024
gws 7,497
openresty 7,029
awselb/2.0 6,969
AmazonS3 6,899
openresty/1.31.1.1 6,601

Top Attack Sources

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