User-Agent

Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:147.0) Gecko/20100101 Firefox/147.0

first seen 2026-07-13 20:28 · last seen 2026-07-13 20:28 · JSON

Decomposed attributes

Browser / clientFirefox 147.0
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
t13d260900_6d1bcf7a4624_188c7f576dcd5

HTTP request (JA4H)

fingerprintco-occurrences
ge11nr11enus_3ecbe963033f_000000000000_0000000000002
ge11nn12enus_9a9494a1019e_000000000000_0000000000002
ge11nr12enus_9a9494a1019e_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:53+11:0:1460:65535,6:mss,nop,ws,sok,ts:df,id+:03
4:54+10:0:1460:65535,6:mss,nop,ws,sok,ts:df,id+:02

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-1-3-4-8_1460_65

Country

fingerprintco-occurrences
US · United States5

Network (ASN)

fingerprintco-occurrences
AS22616 · ZSCALER, INC.5