User-Agent

ResearchReader/1.0

first seen 2026-10-17 05:29 · last seen 2026-10-17 05:29 · 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 / clientResearchReader 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
t13d2812h1_a01be8c064b6_0d46a1bf4a7c1

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn070000_ed0ca6d606af_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
6:57+7:0:1360:65535,13:mss,sok,ts,nop,ws:flow:01

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-4-8-1-3_1360_131

Country

fingerprintco-occurrences
GB · United Kingdom1

Network (ASN)

fingerprintco-occurrences
AS13335 · Cloudflare, Inc.1

TLS supported groups

fingerprintco-occurrences
11ec,11eb,11ee,001d,0017,001e,0018,0019,0029,0100,01011