TCP SYN (p0f)

4:37+27:0:1240:24704,7:mss,sok,ts,nop,ws:df:0

first seen 2026-06-11 23:07 · last seen 2026-06-11 23:07 · JSON

Decomposed attributes

IP version4
Initial TTL37+27
Options length0
MSS1240
Window size24704
Window scale7
Options layoutmss,sok,ts,nop,ws
Quirksdf
Payload class0

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)

fingerprintco-occurrences
t13d1516h2_8daaf6152771_02713d6af862 Match?Exact match in Thumbprint's published controlled catalog captures: chromium 131.0.6778.33, chromium 134.0.6998.35, chromium 133.0.6943.16.The fingerprint page shows the full measured match list. More on the catalog.2

HTTP request (JA4H)

fingerprintco-occurrences
ge20nr130000_df3726b2a0dd_000000000000_0000000000002

HTTP/2 frames (Akamai)

fingerprintco-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.2

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/127.0.6533.0 Safari/537.362

Country

fingerprintco-occurrences
US · United States2

Network (ASN)

fingerprintco-occurrences
AS396982 · Google LLC2