TCP SYN (JA4T)

65535_2-4-1-1-1-3_1390_6

first seen 2026-07-25 09:21 · last seen 2026-08-21 16:29 · JSON

Decomposed attributes

TCP window65535
Option kinds2-4-1-1-1-3
MSS1390
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
t13d1515h1_8daaf6152771_0a20fe35d3a51

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
ge11nn13enus_9db22d02e17a_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:43+21:0:1390:65535,6:mss,sok,nop,nop,nop,ws:df,id+:02
4:46+18:0:1390:65535,6:mss,sok,nop,nop,nop,ws:df,id+:01
4:47+17:0:1390:65535,6:mss,sok,nop,nop,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/123.0.0.0 Safari/537.361
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Brave Chrome/86.0.4240.111 Safari/537.361
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.146 Safari/537.361
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.75 Safari/537.361

Country

fingerprintco-occurrences
BD · Bangladesh1
PK · Pakistan1
DZ · Algeria1
UZ · Uzbekistan1

Network (ASN)

fingerprintco-occurrences
AS49273 · COSCOM Liability Limited Company1
AS24389 · GrameenPhone Ltd.1
AS59257 · CMPak Limited1
AS33779 · Wataniya Telecom Algerie1