first seen 2026-06-27 13:49 · last seen 2026-10-30 23:53 · JSON
Last 7 days (14 observations)
Distinct clients per day (last 30 days, peak 2/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
114+14
Options length
0
MSS
1440
Window size
mss*44
Window scale
0
Options layout
mss,nop,nop,sok
Quirks
df,id+,ecn
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.
0018,0017Match?Exact match in Thumbprint's published controlled catalog captures: powershell 7.6.7, powershell 5.1.26100.33648, curl 8.21.0.The fingerprint page shows the full measured match list. More on the catalog.