TCP SYN (p0f)

4:47+17:0:1460:mss*20,10:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-06-17 05:23 · last seen 2026-06-17 07:15 · JSON

Decomposed attributes

IP version4
Initial TTL47+17
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_518fb456ca592

HTTP request (JA4H)

fingerprintco-occurrences
ge11nr12enus_25d14dfbfd78_000000000000_0000000000001
ge11nr09enus_a1ca5f23d14f_000000000000_0000000000001

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (X11; Linux x86_64; rv:140.0) Gecko/20100101 Firefox/140.01
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.361

Country

fingerprintco-occurrences
DE · Germany1
US · United States1

Network (ASN)

fingerprintco-occurrences
AS7203 · Leaseweb USA, Inc.1
AS49532 · Eonix Corporation1