TCP SYN (JA4T)

65535_2-1-3-1-1-4-1-1-8_1380_6

first seen 2026-07-23 16:14 · last seen 2026-07-23 18:33 · JSON

Decomposed attributes

TCP window65535
Option kinds2-1-3-1-1-4-1-1-8
MSS1380
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
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
4:40+24:0:1380:65535,6:mss,nop,ws,nop,nop,sok,nop,nop,ts::01
4:44+20:0:1380:65535,6:mss,nop,ws,nop,nop,sok,nop,nop,ts::01

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/36.0.1985.67 Safari/537.361
Mozilla/5.0 (Macintosh; Intel Mac OS X 11_1_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.146 Safari/537.361

Country

fingerprintco-occurrences
IQ · Iraq2

Network (ASN)

fingerprintco-occurrences
AS51684 · ASIACELL COMMUNICATIONS PJSC2