User-Agent

Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0

first seen 2026-06-30 16:16 · last seen 2026-09-12 00:23 · JSON

Last 7 days (2 observations)

Distinct clients per day (last 30 days, peak 1/day)

Distinct clients are counted by IP-hash per complete UTC day — unlike observation counts this is insensitive to one chatty client, but NAT merges clients and address rotation splits them.

Decomposed attributes

Browser / clientFirefox 127.0
Operating systemWindows 10.0
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_ab7e3b40a67751
t13d1411h1_cbb2034c60b8_e7c2852226513

HTTP request (JA4H)

fingerprintco-occurrences
ge11nr34enus_ee7234eb47b7_000000000000_0000000000005
ge11nr39enus_d1cf5e80c1a6_000000000000_0000000000004
ge11nr33enus_83ed8b88bd45_000000000000_0000000000003
ge11nr41enus_c0fe3e80018a_000000000000_0000000000003
ge11nr40enus_4d2a4bd3cdc8_000000000000_0000000000003
ge11nr40enus_f77e8c658148_000000000000_0000000000003
ge11nr35enus_34e0270fbbac_000000000000_0000000000003
ge11nr33enus_bbfdbeea19bc_000000000000_0000000000003
ge11nr41enus_fd8eed19052c_000000000000_0000000000003
ge11nr39enus_229f6e8f6ea8_000000000000_0000000000002

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+:012
4:55+9:0:1460:mss*29,9:mss,sok,ts,nop,ws:df,id+:04
4:120+8:0:1460:mss*44,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:03

TCP SYN (JA4T)

fingerprintco-occurrences
42340_2-4-8-1-3_1460_1135
42340_2-4-8-1-3_1460_916
64240_2-1-3-1-1-4_1460_83

Country

fingerprintco-occurrences
NL · Netherlands38
US · United States16

Network (ASN)

fingerprintco-occurrences
AS48090 · TECHOFF SRV LIMITED35
AS150303 · SoloRDP10
AS142430 · DIGI VPS6
AS197170 · TechTies Inc.3