104.21.38.167 — 3 open ports, 0 known CVEs, network Cloudflare, Inc.

Known CVEs on this host

3open ports

195names pointing here

0known CVEs

0known exploited

Open ports and CVEs as of our latest check of this host, 2026-08-26.

No known CVEs on this host.

Network: Cloudflare, Inc. AS13335
Open ports: 443, 8080, 8443 · at our latest check, 2026-08-26
Location: Canada CA
Route: 104.21.32.0/20 · announced by Cloudflare, Inc. AS13335 RPKI valid
Organisation: Cloudflare, Inc. · Content / hosting
Cloud: Cloudflare · cdn
Registry network: CLOUDFLARENET · 104.16.0.0 - 104.31.255.255 · Cloudflare, Inc. · ARIN
Abuse contact: [email protected] · for CLOUDFLARENET
First seen: 2026-08-26 10:45 UTC
Last seen alive: 2026-08-26 10:47 UTC
Hosted domains: 195 names point here

Reputation

Not a Tor relay, not a VPN or privacy relay address, and not on a current public blocklist.

Services (3)

443/tcp TLS first 2026-08-26 · last 2026-08-26

Raw response

8080/tcp HTTP cloudflare first 2026-08-26 · last 2026-08-26

Status: 403 Forbidden
Server: cloudflare

Raw response

HTTP/1.1 403 Forbidden
Date: Wed, 26 Aug 2026 10:45:34 GMT
Content-Type: text/plain; charset=UTF-8
Content-Length: 17
Connection: keep-alive
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Referrer-Policy: same-origin
X-Frame-Options: SAMEORIGIN
Server: cloudflare
CF-RAY: a3123f6b4acbcfdd-SJC

error code: 1003

8443/tcp TLS first 2026-08-26 · last 2026-08-26

Raw response

HTTP/1.1 400 Bad Request
Server: cloudflare
Date: Wed, 26 Aug 2026 10:45:34 GMT
Content-Type: text/html
Content-Length: 655
Connection: close
CF-RAY: -

<html>
<head><title>400 The plain HTTP request was sent to HTTPS port</title></head>
<body>
<center><h1>400 Bad Request</h1></center>
<center>The plain HTTP request was sent to HTTPS port</center>
<hr><center>cloudflare</center>
</body>
</html>
<!-- a padding to disable MSIE and Chrome friendly error page -->
<!-- a padding to disable MSIE and Chrome friendly error page -->
<!-- a padding to disable MSIE and Chrome friendly error page -->
<!-- a padding to disable MSIE and Chrome friendly error page -->
<!-- a padding to disable MSIE and Chrome friendly error page -->
<!-- a padding to disable MSIE and Chrome friendly error page -->

Port history

Every port that has answered a connection on this address, and when. A port is listed as open above only when a service was identified on it. Times are UTC.