JA4H HTTP client fingerprint
op10nn0100_4740ae6347b0
Seen 2026-02-23 to 2026-08-27 across the retained window.
59
Source IPs
1
Networks
10
Countries
4
Ports hit
61
Events
59
IPs / network
This fingerprint is concentrated: many addresses on very few networks, which is what a single coordinated operation tends to look like.
Top networks
Countries
US 23FI 9NL 5CH 4AU 4BR 4BE 4GB 3CA 2DE 1
Ports targeted
What it requests
Source IPCCNetwork
Last seenEvents
About this fingerprint
JA4H fingerprints the shape of an HTTP request: method, version, the ordered set of headers and the cookie and language handling. It identifies the HTTP client independently of the URL it asks for.