User-Agent

csint.dev/1.0 (public research; contact via site)

first seen 2026-08-31 12:59 · last seen 2026-08-31 13:18 · 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

Browser / clientcsint.dev 1.0
Noteinferred from the self-declared string — a claim, not a measurement; compare with the wire fingerprints above

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
t13d1714h1_ab0a1bf427ad_5ae85263eb3b2

HTTP request (JA4H)

fingerprintco-occurrences
he11nn040000_5b1e8b5f4d2d_000000000000_0000000000002

TCP SYN (p0f)

fingerprintco-occurrences
6:49+15:0:1440:mss*45,10:mss,sok,ts,nop,ws:flow:02

TCP SYN (JA4T)

fingerprintco-occurrences
64800_2-4-8-1-3_1440_102

Country

fingerprintco-occurrences
BE · Belgium2

Network (ASN)

fingerprintco-occurrences
AS6848 · Telenet BV2