User-Agent
Mozilla/5.0 (X11; Linux x86_64; rv:133.0) Gecko/20100101 Firefox/133.0
first seen 2026-06-17 13:22 · last seen 2026-06-25 20:10 · JSON
Decomposed attributes
| Browser / client | Firefox 133.0 |
| 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*29,12:mss,sok,ts,nop,ws:df,id+:0 | 5 |
4:56+8:0:1460:mss*30,12:mss,sok,ts,nop,ws:df,id+,ts2+:0 | 1 |
4:48+16:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:0 | 1 |
Country
| fingerprint | co-occurrences |
NL · Netherlands | 6 |
ID · Indonesia | 1 |
Network (ASN)
| fingerprint | co-occurrences |
AS48090 · TECHOFF SRV LIMITED | 6 |
AS55688 · PT. Beon Intermedia | 1 |