TCP SYN (JA4T)

64240_2-1-1-4_1452_00

first seen 2026-08-28 15:55 · last seen 2026-08-29 00:34 · JSON

Decomposed attributes

TCP window64240
Option kinds2-1-1-4
MSS1452
Window scale00

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
t13d2913h1_723694b0fccc_5671b5df50293

HTTP request (JA4H)

fingerprintco-occurrences
ge11nr11dede_835281d8e5d9_000000000000_0000000000001
ge11nr11itit_835281d8e5d9_000000000000_0000000000001
ge11nn11dede_835281d8e5d9_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:119+9:0:1452:mss*44,0:mss,nop,nop,sok:df,id+:02
4:114+14:0:1452:mss*44,0:mss,nop,nop,sok:df,id+:01

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (iPad; CPU OS 16_7 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.7 Mobile/15E148 Safari/604.12
Mozilla/5.0 (iPhone; CPU iPhone OS 18_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.1 Mobile/15E148 Safari/604.11

Country

fingerprintco-occurrences
DE · Germany2
IT · Italy1

Network (ASN)

fingerprintco-occurrences
AS3320 · Deutsche Telekom AG2
AS30722 · Fastweb SpA1