User-Agent

Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:109.0) Gecko/20100101 Firefox/115

first seen 2026-06-20 19:13 · last seen 2026-08-08 14:30 · JSON

Decomposed attributes

Browser / clientFirefox 115
Operating systemWindows 6.3
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
t13d131100_f57a46bbacb6_ab7e3b40a677 Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.26.6, go-net/http 1.26.5, go-net/http 1.26.4.The fingerprint page shows the full measured match list. More on the catalog.5
t13d131100_f57a46bbacb6_e5728521abd43
t13d131000_f57a46bbacb6_e7c285222651 Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.23.12.The fingerprint page shows the full measured match list. More on the catalog.1

HTTP request (JA4H)

fingerprintco-occurrences
ge11nr07enus_b23b8373b424_000000000000_0000000000007
ge11nr06enus_c8423ac5074c_000000000000_0000000000002

TCP SYN (p0f)

fingerprintco-occurrences
4:48+16:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:04
4:48+16:0:1460:mss*44,9:mss,sok,ts,nop,ws:df,id+:04
4:50+14:0:1460:mss*44,7:mss,nop,nop,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1460_94
64240_2-4-8-1-3_1460_72
64240_2-1-1-8-1-3_1460_71

Country

fingerprintco-occurrences
SE · Sweden9

Network (ASN)

fingerprintco-occurrences
AS51747 · Internet Vikings International AB3
AS12552 · GlobalConnect AB3
AS42708 · Glesys AB2
AS16312 · Internet Vikings International AB1