TCP SYN (JA4T)

65320_2-4-8-1-3_1420_8

first seen 2026-10-21 20:02 · last seen 2026-10-21 20:02 · JSON

Distinct clients per day (last 30 days, peak 1/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 window65320
Option kinds2-4-8-1-3
MSS1420
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
t13d5212h1_b262b3658495_8e6e362c5eac Match?Exact match in Thumbprint's published controlled catalog captures: node-fetch 24.21.0, node-fetch 24.19.0, node-fetch 22.23.1, +8 more.The fingerprint page shows the full measured match list. More on the catalog.1

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn07*000_fd87022947da_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:58+6:0:1420:mss*46,8:mss,sok,ts,nop,ws:df,id+:01

User-Agent

fingerprintco-occurrences
DistrarcBot/1.0 (+https://distrarc.com; contact work@atharv.me)1

Country

fingerprintco-occurrences
IN · India1

Network (ASN)

fingerprintco-occurrences
AS396982 · Google LLC1

TLS supported groups

fingerprintco-occurrences
11ec,001d,0017,001e,0018,0019,0100,0101 Match?Exact match in Thumbprint's published controlled catalog captures: node-fetch 24.22.1, python-httpx 0.28.1, python-requests 2.34.2, +2 more.The fingerprint page shows the full measured match list. More on the catalog.1