TCP SYN (JA4T)

65535_2-4-8-1-3_1410_8

first seen 2026-07-21 00:16 · last seen 2026-09-11 01:28 · JSON

Last 7 days (2 observations)

Distinct clients per day (last 30 days, peak 3/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
MSS1410
Window scale8

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_de4a06bb82e38
t13d4412h1_fd39b124ee10_58ed7828516f7
t13d1515h1_8daaf6152771_0a20fe35d3a55
t13d1516h1_8daaf6152771_1a63afa7c4781

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn13enus_9db22d02e17a_000000000000_0000000000009
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.7
ge11nn14enus_4a2973d235de_000000000000_0000000000005

TCP SYN (p0f)

fingerprintco-occurrences
4:44+20:0:1410:65535,8:mss,sok,ts,nop,ws:df,id+:03
4:39+25:0:1410:65535,8:mss,sok,ts,nop,ws:df,id+:02
4:52+12:0:1410:65535,8:mss,sok,ts,nop,ws:df,id+:02
4:40+24:0:1410:65535,8:mss,sok,ts,nop,ws:df,id+:02
4:41+23:0:1410:65535,8:mss,sok,ts,nop,ws:df,id+:02
4:45+19:0:1410:65535,8:mss,sok,ts,nop,ws:df,id+:02
4:49+15:0:1410:65535,8:mss,sok,ts,nop,ws:df,id+:02
4:55+9:0:1410:65535,8:mss,sok,ts,nop,ws:df,id+:01
4:54+10:0:1410:65535,8:mss,sok,ts,nop,ws:df,id+:01
4:42+22:0:1410:65535,8:mss,sok,ts,nop,ws:df,id+:01

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.0.0 Safari/537.363
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.362
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.362
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 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 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.361
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.361
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.51 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 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.361

Country

fingerprintco-occurrences
KW · Kuwait6
PK · Pakistan3
BD · Bangladesh2
JO · Jordan2
BR · Brazil1
PY · Paraguay1
ES · Spain1
ZA · South Africa1
BY · Belarus1
KE · Kenya1

Network (ASN)

fingerprintco-occurrences
AS42961 · Mobile Telecommunications Company K.S.C.P.6
AS9038 · Al Bahrainia al Urdunia Liltaknia Wa Alitisalat Plc. Co2
AS14593 · Space Exploration Technologies Corporation1
AS33771 · Safaricom Limited1
AS9541 · Cyber Internet Services (Pvt) Ltd.1
AS17557 · Pakistan Telecommunication Company Limited1
AS48728 · Vodafone Qatar P.Q.S.C1
AS134455 · C & C Communication1
AS142577 · Maher International1
AS132165 · Connect Communications1