User-Agent

Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:126.0) Gecko/20100101 Firefox/126.0

first seen 2026-06-30 16:16 · last seen 2026-07-16 19:13 · JSON

Decomposed attributes

Browser / clientFirefox 126.0
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
t13d151100_8daaf6152771_ab7e3b40a67748
t13d1812h1_85036bcba153_b26ce05bbdd61

HTTP request (JA4H)

fingerprintco-occurrences
ge11nr41engb_c0fe3e80018a_000000000000_0000000000005
ge11nr34engb_ee7234eb47b7_000000000000_0000000000004
ge11nr35engb_34e0270fbbac_000000000000_0000000000004
ge11nr33engb_bbfdbeea19bc_000000000000_0000000000003
ge11nr39engb_d1cf5e80c1a6_000000000000_0000000000003
ge11nr41engb_fd8eed19052c_000000000000_0000000000003
ge11nr33engb_83ed8b88bd45_000000000000_0000000000003
ge11nr40engb_4d2a4bd3cdc8_000000000000_0000000000002
ge11nr39engb_229f6e8f6ea8_000000000000_0000000000002
ge11nr40engb_f77e8c658148_000000000000_0000000000002

TCP SYN (p0f)

fingerprintco-occurrences
4:56+8:0:1460:mss*29,11:mss,sok,ts,nop,ws:df,id+:031
4:54+10:0:1460:mss*29,9:mss,sok,ts,nop,ws:df,id+:013
4:55+9:0:1460:mss*29,9:mss,sok,ts,nop,ws:df,id+:04
4:49+15:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
42340_2-4-8-1-3_1460_1131
42340_2-4-8-1-3_1460_917
64240_2-4-8-1-3_1460_71

Country

fingerprintco-occurrences
NL · Netherlands31
US · United States17
IL · Israel1

Network (ASN)

fingerprintco-occurrences
AS48090 · TECHOFF SRV LIMITED31
AS150303 · SoloRDP13
AS142430 · DIGI VPS4
AS1680 · Cellcom Fixed Line Communication L.P1