first seen 2026-09-03 13:13 · last seen 2026-09-08 08:08 · JSON
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
IP version
4
Initial TTL
46+18
Options length
0
MSS
1460
Window size
65228
Window scale
7
Options layout
mss,nop,ws,sok,ts
Quirks
df
Payload class
0
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.
t13d1717h2_5b57614c22b0_3cbfd9057e0dMatch?Exact match in Thumbprint's published controlled catalog captures: firefox 148.0.2, firefox 144.0.2, firefox 142.0.1, +6 more.The fingerprint page shows the full measured match list. More on the catalog.