TCP SYN (JA4T)
26883_2-4-8-1-3_1460_10
first seen 2026-07-23 22:56 · last seen 2026-08-26 19:00 · JSON
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
| TCP window | 26883 |
|---|---|
| Option kinds | 2-4-8-1-3 |
| MSS | 1460 |
| Window scale | 10 |
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 |
|---|---|
t13d1516h2_8daaf6152771_d8a2da3f94cd Match?Exact match in Thumbprint's published controlled catalog captures: chromium 149.0.7827.102, chrome 149.0.7827.102, chrome 149.0.7827.156, +25 more.The fingerprint page shows the full measured match list. More on the catalog. | 6 |
HTTP request (JA4H)
| fingerprint | co-occurrences |
|---|---|
ge20nn10zh00_06e2da52e592_000000000000_000000000000 | 4 |
ge20nn090000_6aab3d3a70e6_000000000000_000000000000 | 1 |
ge20nn10zh00_dfc386b48ce4_000000000000_000000000000 | 1 |
HTTP/2 frames (Akamai)
| fingerprint | co-occurrences |
|---|---|
1:65536;2:0;4:6291456;6:262144|15663105|1:1:0:256|m,a,s,p Match?Exact match in Thumbprint's published controlled catalog captures: chromium 131.0.6778.33, chromium 151.0.7922.34, chrome 151.0.7922.137, +43 more.The fingerprint page shows the full measured match list. More on the catalog. | 6 |
TCP SYN (p0f)
| fingerprint | co-occurrences |
|---|---|
4:40+24:0:1460:26883,10:mss,sok,ts,nop,ws:df,id+:0 | 5 |
4:42+22:0:1460:26883,10:mss,sok,ts,nop,ws:df,id+:0 | 1 |
User-Agent
Country
| fingerprint | co-occurrences |
|---|---|
CN · China | 6 |
Network (ASN)
| fingerprint | co-occurrences |
|---|---|
AS55960 · Beijing Guanghuan Xinwang Digital | 6 |