TCP SYN (JA4T)

64240_2-4-8-1-3_1444_7

first seen 2026-07-25 11:28 · last seen 2026-09-01 10:56 · JSON

Decomposed attributes

TCP window64240
Option kinds2-4-8-1-3
MSS1444
Window scale7

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
t13d1515h1_8daaf6152771_de4a06bb82e32
t13d4412h1_fd39b124ee10_58ed7828516f2
t13d1515h1_8daaf6152771_0a20fe35d3a51

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn13enus_9db22d02e17a_000000000000_0000000000003
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
4:46+18:0:1444:mss*44,7:mss,sok,ts,nop,ws:df,id+:03
4:53+11:0:1444:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:40+24:0:1444:mss*44,7:mss,sok,ts,nop,ws:df,id+:01

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.361
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.361
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.67 Safari/537.361
Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.90 Safari/537.361
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Brave Chrome/88.0.4324.146 Safari/537.361

Country

fingerprintco-occurrences
IL · Israel2
BR · Brazil1
MA · Morocco1
GR · Greece1

Network (ASN)

fingerprintco-occurrences
AS12400 · Partner Communications Ltd.2
AS36884 · Wana Corporate1
AS262620 · Pox Network Telecomunicações Ltda-ME1
AS25472 · Nova Telecommunications & Media Single Member S.A1