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 / client | Firefox 126.0 |
| Operating system | Linux x86_64 |
| Device class | desktop |
| Note | inferred 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)
HTTP request (JA4H)
TCP SYN (p0f)
| fingerprint | co-occurrences |
4:56+8:0:1460:mss*29,11:mss,sok,ts,nop,ws:df,id+:0 | 31 |
4:54+10:0:1460:mss*29,9:mss,sok,ts,nop,ws:df,id+:0 | 13 |
4:55+9:0:1460:mss*29,9:mss,sok,ts,nop,ws:df,id+:0 | 4 |
4:49+15:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:0 | 1 |
TCP SYN (JA4T)
Country
| fingerprint | co-occurrences |
NL · Netherlands | 31 |
US · United States | 17 |
IL · Israel | 1 |
Network (ASN)
| fingerprint | co-occurrences |
AS48090 · TECHOFF SRV LIMITED | 31 |
AS150303 · SoloRDP | 13 |
AS142430 · DIGI VPS | 4 |
AS1680 · Cellcom Fixed Line Communication L.P | 1 |