TCP SYN (p0f)

4:59+5:0:1460:mss*20,10:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-06-17 07:43 · last seen 2026-06-17 18:28 · JSON

Decomposed attributes

IP version4
Initial TTL59+5
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 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36 Edg/145.0.0.01
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.3.1 Safari/605.1.151
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.6 Safari/605.1.151

Country

fingerprintco-occurrences
US · United States3

Network (ASN)

fingerprintco-occurrences
AS36352 · HostPapa3