TCP SYN (JA4T)
65535_2-1-3-1-1-4_1372_8
first seen 2026-08-28 09:04 · last seen 2026-08-31 09:57 · 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
| TCP window | 65535 |
|---|---|
| Option kinds | 2-1-3-1-1-4 |
| MSS | 1372 |
| Window scale | 8 |
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. | 4 |
t13d2913h1_723694b0fccc_5671b5df5029 | 1 |
HTTP request (JA4H)
| fingerprint | co-occurrences |
|---|---|
ge20nr16kokr_94fdc06e0694_000000000000_000000000000 | 3 |
ge11nr11lvlv_835281d8e5d9_000000000000_000000000000 | 1 |
ge20nr16enca_94fdc06e0694_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. | 4 |
TCP SYN (p0f)
User-Agent
Country
| fingerprint | co-occurrences |
|---|---|
KR · South Korea | 3 |
CA · Canada | 1 |
CI · Côte d’Ivoire | 1 |
Network (ASN)
| fingerprint | co-occurrences |
|---|---|
AS17858 · LG POWERCOMM | 3 |
AS29571 · Orange Côte d'Ivoire | 1 |
AS46345 · Luciole | 1 |