TCP SYN (p0f)

4:49+15:0:1460:mss*22,12:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-06-12 14:37 · last seen 2026-06-12 18:05 · JSON

Decomposed attributes

IP version4
Initial TTL49+15
Options length0
MSS1460
Window sizemss*22
Window scale12
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
t13i251000_b78ed14e2fd0_ab7e3b40a6772

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn05en00_813e32c09d15_000000000000_0000000000002

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh, Intel Mac OS X 10_15_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.6.7 Safari/605.1.151
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.361

Country

fingerprintco-occurrences
NL · Netherlands2

Network (ASN)

fingerprintco-occurrences
AS202412 · Omegatech LTD2