first seen 2026-06-23 03:28 · last seen 2026-08-31 18:26 · 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
42+22
Options length
0
MSS
1410
Window size
mss*46
Window scale
7
Options layout
mss,sok,ts,nop,ws
Quirks
df,id+
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.
TLS ClientHello (JA4)
fingerprint
co-occurrences
t13d5212h1_b262b3658495_8e6e362c5eacMatch?Exact match in Thumbprint's published controlled catalog captures: node-fetch 24.19.0, node-fetch 22.23.1, node-fetch 24.21.0, +6 more.The fingerprint page shows the full measured match list. More on the catalog.
11
t13d131100_f57a46bbacb6_ab7e3b40a677Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.26.6, go-net/http 1.26.5, go-net/http 1.26.4.The fingerprint page shows the full measured match list. More on the catalog.