TCP SYN (JA4T)

7300_2-4-8-1-3_1412_3

first seen 2026-07-16 10:47 · last seen 2026-07-23 19:34 · JSON

Decomposed attributes

TCP window7300
Option kinds2-4-8-1-3
MSS1412
Window scale3

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
t13d4412h1_fd39b124ee10_58ed7828516f2

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn050000_b223a0ebb0b5_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: python-requests 2.34.2, python-requests 2.33.1, python-requests 2.32.3.The fingerprint page shows the full measured match list. More on the catalog.2

TCP SYN (p0f)

fingerprintco-occurrences
4:114+14:0:1412:mss*5,3:mss,sok,ts,nop,ws:df,id+:01
4:38+26:0:1412:mss*5,3:mss,sok,ts,nop,ws:df,id+:01

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.16 Safari/537.361
Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Brave Chrome/88.0.4324.182 Safari/537.361

Country

fingerprintco-occurrences
BR · Brazil1
CL · Chile1

Network (ASN)

fingerprintco-occurrences
AS27901 · Pacifico Cable SPA.1
AS262691 · CONECTA LTDA.1