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
16,696,357
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 904,123
AS16509 Amazon.com 369,651
AS22394 CELLCO 208,797
AS174 Cogent Communications, Inc. 185,491
AS19551 Thales/Imperva 160,926
AS20940 Akamai Technologies 158,482
AS14061 DigitalOcean 111,375
AS209 Lumen AS209 108,126
AS8075 Microsoft 102,781
AS7922 Comcast 83,554
AS46606 Endurance International Group, Inc 78,576
AS3257 GTT Communications (AS3257) 77,336
AS237 Merit Network 77,127
AS5650 Frontier Communications of America (FCA) 77,027
AS26496 GoDaddy 70,427
AS36352 ColoCrossing 66,401
AS2769 60,677
AS40509 60,164
AS98 59,663
AS31898 Oracle Cloud Infrastructure 53,364

Top Hosting Providers

ASN Name Open IPs
AS174 Cogent Communications, Inc. 185,491
AS19551 Thales/Imperva 160,926
AS20940 Akamai Technologies 158,482
AS14061 DigitalOcean 111,375
AS209 Lumen AS209 108,126
AS8075 Microsoft 102,781
AS46606 Endurance International Group, Inc 78,576
AS3257 GTT Communications (AS3257) 77,336
AS237 Merit Network 77,127
AS5650 Frontier Communications of America (FCA) 77,027
AS26496 GoDaddy 70,427
AS36352 ColoCrossing 66,401
AS31898 Oracle Cloud Infrastructure 53,364
AS7018 AT&T US - 7018 47,873
AS701 Verizon 41,960

Top open ports

Port Hosts
443 829,305
80 734,387
22 350,112
7547 315,812
4567 308,807
21 154,669
2000 150,535
60000 137,339
40000 137,031
25 131,432
8080 124,697
5060 122,133
53 120,418
8443 119,818
8000 118,449

Tech-Stack Distribution

Technology Hosts
jQuery 29,464
Bootstrap 10,733
jQuery UI 4,660
Google Analytics 4,507
Google Tag Manager 4,434
PHP 4,245
MySQL 3,986
WordPress 3,971
jQuery Migrate 3,891
Modernizr 3,445
jsDelivr 2,836
Popper 1,894
cdnjs 1,870
Cloudflare 1,870
RequireJS 1,853

Top Server headers

Server Hosts
CloudFront 172,137
nginx 124,322
AkamaiGHost 102,046
Apache 62,541
squid/3.5.20 17,331
nginx/1.24.0 (Ubuntu) 15,959
Microsoft-IIS/10.0 14,783
Microsoft-HTTPAPI/2.0 14,373
nginx/1.18.0 (Ubuntu) 11,888
Caddy 8,518
gws 7,867
openresty 7,429
awselb/2.0 7,274
AmazonS3 7,253
openresty/1.31.1.1 6,975

Top Attack Sources

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