User-Agent

Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Firefox/45.0

first seen 2026-08-21 03:45 · last seen 2026-08-21 03:45 · JSON

Decomposed attributes

Browser / clientFirefox 45.0
Operating systemLinux x86_64
Device classdesktop
Noteinferred from the self-declared string — a claim, not a measurement; compare with the wire fingerprints above

Co-observed signals

Signals from other families seen in the same observation. A fingerprint spread thinly across many lower-layer signatures is a classic inconsistency signal.

TLS ClientHello (JA4)

fingerprintco-occurrences
t12d030500_2961bfb1d85d_c70a3c84db072

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn040000_08e7224bf8c7_000000000000_0000000000002

TCP SYN (p0f)

fingerprintco-occurrences
4:48+16:0:1360:62720,7:mss,sok,ts,nop,ws:df,id+:01
6:49+15:0:1360:62580,7:mss,sok,ts,nop,ws:flow:01

TCP SYN (JA4T)

fingerprintco-occurrences
62720_2-4-8-1-3_1360_71
62580_2-4-8-1-3_1360_71

Country

fingerprintco-occurrences
US · United States2

Network (ASN)

fingerprintco-occurrences
AS27385 · QUALYS, Inc.2