TCP SYN (JA4T)

65535_2-1-3-1-1-8-4-0-0_1370_6

first seen 2026-07-29 15:00 · last seen 2026-07-29 16:39 · JSON

Decomposed attributes

TCP window65535
Option kinds2-1-3-1-1-8-4-0-0
MSS1370
Window scale6

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
t13d1813h1_85036bcba153_8d4036f0cf4a2

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn050000_be0d0b335e46_000000000000_0000000000002

TCP SYN (p0f)

fingerprintco-occurrences
6:46+18:0:1370:65535,6:mss,nop,ws,nop,nop,ts,sok,eol+1:flow:02

User-Agent

fingerprintco-occurrences
StartupRadarBot/0.1 (research; krbl1985@gmail.com)2

Country

fingerprintco-occurrences
US · United States2

Network (ASN)

fingerprintco-occurrences
AS7018 · AT&T Enterprises, LLC2