TCP SYN (JA4T)

62720_2-4-8-1-3_8960_11

first seen 2026-07-14 00:48 · last seen 2026-10-31 18:33 · JSON

Last 7 days (150 observations)

Distinct clients per day (last 30 days, peak 2/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 window62720
Option kinds2-4-8-1-3
MSS8960
Window scale11

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
t13d311000_8ae6a2f5ac15_5ac7197df9d22833
t13d3113h2_e8f1e7e78f70_ce5650b735ce1

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn050000_be0d0b335e46_000000000000_0000000000002833
ge20nn020000_5594a17e7e7e_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.7.1, curl 8.5.0, curl 8.13.0, +11 more.The fingerprint page shows the full measured match list. More on the catalog.1

HTTP/2 frames (Akamai)

fingerprintco-occurrences
3:100;4:1073741824;2:0|1073676289|0|m,p,s,a1

TCP SYN (p0f)

fingerprintco-occurrences
4:48+16:0:8960:mss*7,11:mss,sok,ts,nop,ws:df,id+:01459
4:50+14:0:8960:mss*7,11:mss,sok,ts,nop,ws:df,id+:01282
4:46+18:0:8960:mss*7,11:mss,sok,ts,nop,ws:df,id+:088
4:45+19:0:8960:mss*7,11:mss,sok,ts,nop,ws:df,id+:03
4:47+17:0:8960:mss*7,11:mss,sok,ts,nop,ws:df,id+:01
4:57+7:0:8960:mss*7,11:mss,sok,ts,nop,ws:df,id+:01

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (compatible; SemrushBot/7~bl; +http://www.semrush.com/bot.html)2833
clash-verge/1.01

Country

fingerprintco-occurrences
US · United States2834

Network (ASN)

fingerprintco-occurrences
AS209366 · SEMrush CY LTD2833
AS36007 · Kamatera, Inc.1

TLS supported groups

fingerprintco-occurrences
001d,0017,001e,0019,0018482