TCP SYN (p0f)

4:56+8:0:1460:mss*29,13:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-07-24 18:00 · last seen 2026-08-25 20:14 · JSON

Decomposed attributes

IP version4
Initial TTL56+8
Options length0
MSS1460
Window sizemss*29
Window scale13
Options layoutmss,sok,ts,nop,ws
Quirksdf,id+
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
t13d431200_c7886603b240_d339722ba4af2

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn050000_b223a0ebb0b5_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: python-requests 2.34.2, python-requests 2.33.1, python-requests 2.32.3.The fingerprint page shows the full measured match list. More on the catalog.2

TCP SYN (JA4T)

fingerprintco-occurrences
42340_2-4-8-1-3_1460_132

User-Agent

fingerprintco-occurrences
Mozilla/5.02

Country

fingerprintco-occurrences
NL · Netherlands2

Network (ASN)

fingerprintco-occurrences
AS202425 · IP Volume inc2