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
13,291
last 30 d
Open IPs
16,712,887
last 90 d
Hosting share
8.5%
of open IPs
Threat hits
5,418
IOC matches

Top ASNs

ASN Name Open IPs
AS396982 Google Cloud 905,327
AS16509 Amazon.com 371,611
AS22394 CELLCO 209,941
AS174 Cogent Communications, Inc. 186,530
AS19551 Thales/Imperva 160,926
AS20940 Akamai Technologies 159,550
AS14061 DigitalOcean 112,030
AS209 Lumen AS209 108,774
AS8075 Microsoft 103,595
AS7922 Comcast 84,028
AS46606 Endurance International Group, Inc 78,845
AS3257 GTT Communications (AS3257) 77,817
AS5650 Frontier Communications of America (FCA) 77,464
AS237 Merit Network 77,132
AS26496 GoDaddy 70,715
AS36352 ColoCrossing 66,850
AS2769 60,679
AS40509 60,164
AS98 59,663
AS31898 Oracle Cloud Infrastructure 53,609

Top Hosting Providers

ASN Name Open IPs
AS174 Cogent Communications, Inc. 186,530
AS19551 Thales/Imperva 160,926
AS20940 Akamai Technologies 159,550
AS14061 DigitalOcean 112,030
AS209 Lumen AS209 108,774
AS8075 Microsoft 103,595
AS46606 Endurance International Group, Inc 78,845
AS3257 GTT Communications (AS3257) 77,820
AS5650 Frontier Communications of America (FCA) 77,466
AS237 Merit Network 77,132
AS26496 GoDaddy 70,715
AS36352 ColoCrossing 66,850
AS31898 Oracle Cloud Infrastructure 53,609
AS7018 AT&T US - 7018 48,125
AS701 Verizon 42,216

Top open ports

Port Hosts
443 834,742
80 739,425
22 352,279
7547 318,094
4567 310,508
21 155,772
2000 151,461
60000 138,252
40000 137,921
25 132,218
8080 125,526
5060 122,977
53 121,273
8443 120,602
8000 119,237

Tech-Stack Distribution

Technology Hosts
jQuery 29,676
Bootstrap 10,809
jQuery UI 4,693
Google Analytics 4,540
Google Tag Manager 4,467
PHP 4,272
MySQL 4,012
WordPress 3,997
jQuery Migrate 3,924
Modernizr 3,469
jsDelivr 2,859
Popper 1,904
Cloudflare 1,887
cdnjs 1,887
RequireJS 1,874

Top Server headers

Server Hosts
CloudFront 173,581
nginx 125,279
AkamaiGHost 102,893
Apache 63,017
squid/3.5.20 17,472
nginx/1.24.0 (Ubuntu) 16,066
Microsoft-IIS/10.0 14,904
Microsoft-HTTPAPI/2.0 14,497
nginx/1.18.0 (Ubuntu) 11,970
Caddy 8,580
gws 7,926
openresty 7,487
awselb/2.0 7,327
AmazonS3 7,298
openresty/1.31.1.1 7,018

Top Attack Sources

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