TCP SYN (JA4T)

65535_2-4-1-1-1-1-1-1-1-1-1-1-1-3_1312_6

first seen 2026-07-20 04:57 · last seen 2026-07-27 14:16 · JSON

Decomposed attributes

TCP window65535
Option kinds2-4-1-1-1-1-1-1-1-1-1-1-1-3
MSS1312
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_58ed7828516f3

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.3

TCP SYN (p0f)

fingerprintco-occurrences
4:45+19:0:1312:65535,6:mss,sok,nop,nop,nop,nop,nop,nop,nop,nop,nop,nop,nop,ws::01
4:43+21:0:1312:65535,6:mss,sok,nop,nop,nop,nop,nop,nop,nop,nop,nop,nop,nop,ws::01
4:44+20:0:1312:65535,6:mss,sok,nop,nop,nop,nop,nop,nop,nop,nop,nop,nop,nop,ws::01

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Brave Chrome/78.0.3904.108 Safari/537.361
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.192 Safari/537.361
Mozilla/5.0 (Macintosh; Intel Mac OS X 11_2_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.192 Safari/537.361

Country

fingerprintco-occurrences
BD · Bangladesh3

Network (ASN)

fingerprintco-occurrences
AS24389 · GrameenPhone Ltd.3