TCP SYN (p0f)

4:106+22:0:1460:65535,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:0

first seen 2026-09-28 07:40 · last seen 2026-09-28 12:54 · JSON

Decomposed attributes

IP version4
Initial TTL106+22
Options length0
MSS1460
Window size65535
Window scale8
Options layoutmss,nop,ws,nop,nop,sok
Quirksdf,id+,ecn
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
t13d1517h2_8daaf6152771_dcad5a05399114

HTTP request (JA4H)

fingerprintco-occurrences
ge20nr12dede_f8a3a1e39dc3_000000000000_0000000000008
ge20nn13dede_e66716e13e58_000000000000_0000000000004
ge20nn14dede_3920ee50bd52_000000000000_0000000000002

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:65536;2:0;4:6291456;6:262144|15663105|1:1:0:220|m,a,s,p Match?Exact match in Thumbprint's published controlled catalog captures: chrome 150.0.7871.187, chromium 149.0.7827.102, chrome 152.0.7977.83, +81 more.The fingerprint page shows the full measured match list. More on the catalog.8
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, +57 more.The fingerprint page shows the full measured match list. More on the catalog.6

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-1-3-1-1-4_1460_814

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.3614

Country

fingerprintco-occurrences
DE · Germany14

Network (ASN)

fingerprintco-occurrences
AS6805 · Telefonica Germany GmbH & Co.OHG14