TCP SYN (p0f)

4:46+18:0:1386:mss*44,7:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-09-16 20:12 · last seen 2026-09-16 20:12 · JSON

Decomposed attributes

IP version4
Initial TTL46+18
Options length0
MSS1386
Window sizemss*44
Window scale7
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
t13d1714h1_ab0a1bf427ad_5ae85263eb3b1

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn06enus_98e697c2fa06_000000000000_0000000000001

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1386_71

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.361

Country

fingerprintco-occurrences
NL · Netherlands1

Network (ASN)

fingerprintco-occurrences
AS9009 · M247 Europe SRL1