TCP SYN (p0f)

4:50+14:0:1460:mss*20,10:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-06-16 23:12 · last seen 2026-06-17 16:35 · JSON

Decomposed attributes

IP version4
Initial TTL50+14
Options length0
MSS1460
Window sizemss*20
Window scale10
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
t13d311000_e8f1e7e78f70_518fb456ca593

HTTP request (JA4H)

fingerprintco-occurrences
ge11nr09enus_a1ca5f23d14f_000000000000_0000000000002
ge11nr12enus_25d14dfbfd78_000000000000_0000000000001

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:143.0) Gecko/20100101 Firefox/143.01
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:148.0) Gecko/20100101 Firefox/148.01
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.6943.141 Safari/537.361

Country

fingerprintco-occurrences
US · United States3

Network (ASN)

fingerprintco-occurrences
AS396190 · Leaseweb USA, Inc.2
AS58065 · Orion Network Limited1