TCP SYN (JA4T)
65535_2-1-3-1-1-4_1410_8
first seen 2026-08-27 05:21 · last seen 2026-10-25 09:53 · JSON
Last 7 days (1 observations)
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 | 1410 |
| 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 | 4 |
t13d1515h1_8daaf6152771_0a20fe35d3a5 | 2 |
t13d2013h1_2b729b4bf6f3_e24568c0d440 | 1 |
t13d1516h2_8daaf6152771_806a8c22fdea Match?Exact match in Thumbprint's published controlled catalog captures: chrome 150.0.7871.187, chrome 151.0.7922.137, chromium 151.0.7922.34, +28 more.The fingerprint page shows the full measured match list. More on the catalog. | 1 |
t13d1516h1_8daaf6152771_1a63afa7c478 | 1 |
HTTP request (JA4H)
| fingerprint | co-occurrences |
|---|---|
ge20nn13enus_0c2c1d640f3e_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: chrome 151.0.7922.137, chrome 151.0.7922.170, chrome 151.0.7922.108, +39 more.The fingerprint page shows the full measured match list. More on the catalog. | 2 |
ge11nn14enus_4a2973d235de_000000000000_000000000000 | 2 |
ge11nn030000_fe444ad14866_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.16.0, curl 7.88.1, curl 8.21.0, +1 more.The fingerprint page shows the full measured match list. More on the catalog. | 1 |
ge11nn13enus_9db22d02e17a_000000000000_000000000000 | 1 |
ge11nr11kokr_835281d8e5d9_000000000000_000000000000 | 1 |
ge20nr16kokr_94fdc06e0694_000000000000_000000000000 | 1 |
ge20nr16dede_94fdc06e0694_000000000000_000000000000 | 1 |
ge11nr11dech_835281d8e5d9_000000000000_000000000000 | 1 |
ge20nn16dede_94fdc06e0694_000000000000_000000000000 | 1 |
ge11nr11itch_835281d8e5d9_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, +60 more.The fingerprint page shows the full measured match list. More on the catalog. | 5 |
TCP SYN (p0f)
User-Agent
Country
| fingerprint | co-occurrences |
|---|---|
CH · Switzerland | 3 |
DE · Germany | 2 |
KR · South Korea | 2 |
FR · France | 1 |
RU · Russia | 1 |
ES · Spain | 1 |
TW · Taiwan | 1 |
TR · Turkey | 1 |
UY · Uruguay | 1 |
Network (ASN)
| fingerprint | co-occurrences |
|---|---|
AS3320 · Deutsche Telekom AG | 2 |
AS4766 · Korea Telecom | 2 |
AS3303 · Swisscom (Switzerland) Ltd | 2 |
AS6730 · Sunrise GmbH | 1 |
AS51207 · Free Mobile SAS | 1 |
AS19422 · Telefonica Moviles del Uruguay SA | 1 |
AS12430 · VODAFONE ESPANA S.A.U. | 1 |
AS16135 · Turkcell A.S. | 1 |
AS8359 · MTS PJSC | 1 |
AS9674 · Far EastTone Telecommunication Co., Ltd. | 1 |
TLS supported groups
| fingerprint | co-occurrences |
|---|---|
0a0a,11ec,001d,0017,0018 Match?Exact match in Thumbprint's published controlled catalog captures: chrome 156.0.8078.48, edge 155.0.4283.62, chrome 156.0.8078.47, +11 more.The fingerprint page shows the full measured match list. More on the catalog. | 1 |