User-Agent

Mozilla/5.0 (Macintosh; Intel Mac OS X 14.5; rv:127.0) Gecko/20100101 Firefox/127.0

first seen 2026-06-30 16:16 · last seen 2026-07-16 19:18 · JSON

Decomposed attributes

Browser / clientFirefox 127.0
Operating systemmacOS 14.5
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_ab7e3b40a67753

HTTP request (JA4H)

fingerprintco-occurrences
ge11nr41enus_fd8eed19052c_000000000000_0000000000006
ge11nr40enus_4d2a4bd3cdc8_000000000000_0000000000004
ge11nr39enus_229f6e8f6ea8_000000000000_0000000000004
ge11nr34enus_ee7234eb47b7_000000000000_0000000000004
ge11nr35enus_34e0270fbbac_000000000000_0000000000004
ge11nr33enus_bbfdbeea19bc_000000000000_0000000000003
ge11nr41enus_c0fe3e80018a_000000000000_0000000000003
ge11nr35enus_305c18587f1e_000000000000_0000000000003
ge11nr33enus_83ed8b88bd45_000000000000_0000000000003
ge11nn17enus_686e42ee9771_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:56+8:0:1460:mss*29,11:mss,sok,ts,nop,ws:df,id+:035
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+:05

TCP SYN (JA4T)

fingerprintco-occurrences
42340_2-4-8-1-3_1460_1135
42340_2-4-8-1-3_1460_918

Country

fingerprintco-occurrences
NL · Netherlands35
US · United States18

Network (ASN)

fingerprintco-occurrences
AS48090 · TECHOFF SRV LIMITED35
AS142430 · DIGI VPS9
AS150303 · SoloRDP9