TCP SYN (JA4T)

65535_2-4-8-1-3_1372_6

first seen 2026-07-24 13:20 · last seen 2026-09-09 17:00 · JSON

Last 7 days (2 observations)

Distinct clients per day (last 30 days, peak 4/day)

Distinct clients are counted by IP-hash per complete UTC day — unlike observation counts this is insensitive to one chatty client, but NAT merges clients and address rotation splits them.

Decomposed attributes

TCP window65535
Option kinds2-4-8-1-3
MSS1372
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
t13d1515h1_8daaf6152771_de4a06bb82e312
t13d4412h1_fd39b124ee10_58ed7828516f9
t13d1515h1_8daaf6152771_0a20fe35d3a58
t13d1516h1_8daaf6152771_1a63afa7c4781

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn13enus_9db22d02e17a_000000000000_00000000000016
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.9
ge11nn14enus_4a2973d235de_000000000000_0000000000005

TCP SYN (p0f)

fingerprintco-occurrences
4:52+12:0:1372:65535,6:mss,sok,ts,nop,ws:df,id+:011
4:43+21:0:1372:65535,6:mss,sok,ts,nop,ws:df,id+:07
4:47+17:0:1372:65535,6:mss,sok,ts,nop,ws:df,id+:03
4:51+13:0:1372:65535,6:mss,sok,ts,nop,ws:df,id+:02
4:48+16:0:1372:65535,6:mss,sok,ts,nop,ws:df,id+:02
4:44+20:0:1372:65535,6:mss,sok,ts,nop,ws:df,id+:02
4:46+18:0:1372:65535,6:mss,sok,ts,nop,ws:df,id+:01
4:30+2:0:1372:65535,6:mss,sok,ts,nop,ws:df,id+:01
4:45+19:0:1372:65535,6: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/123.0.0.0 Safari/537.363
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.363
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.51 Safari/537.363
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.362
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.362
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.362
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.362
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.361
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.361
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.131 Safari/537.361

Country

fingerprintco-occurrences
CI · Côte d’Ivoire10
JO · Jordan8
AR · Argentina6
MD · Moldova3
BR · Brazil2
MX · Mexico1

Network (ASN)

fingerprintco-occurrences
AS29571 · Orange Côte d'Ivoire10
AS8376 · Jordan Data Communications Company LLC8
AS52354 · Atlantica Video Cable S.A.6
AS31204 · ORANGE MOLDOVA S.A.3
AS28554 · Cablemas Telecomunicaciones SA de CV1
AS269455 · GLFIBRA SERVICOS DE TELECOMUNICACOES LTDA1
AS275664 · EDUARDO BEZERRA DA SILVA SERVIÇOS DE INFORMATICA1