User-Agent

libwww-perl/6.77

first seen 2026-08-18 22:58 · last seen 2026-08-18 22:58 · 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 / clientlibwww-perl 6.77
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
t12d650700_0dd215169a35_4446390ac2241

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn040000_17807bc4167d_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:55+9:0:1460:mss*20,7:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
29200_2-4-8-1-3_1460_71

Country

fingerprintco-occurrences
NL · Netherlands1

Network (ASN)

fingerprintco-occurrences
AS49870 · Alsycon B.V.1