User-Agent

header-probe/2.0

first seen 2026-10-25 14:23 · last seen 2026-10-25 14:33 · JSON

Last 7 days (3 observations)

Distinct clients per day (last 30 days, peak 3/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 / clientheader-probe 2.0
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
t13d131100_f57a46bbacb6_ab7e3b40a677 Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.26.6, go-net/http 1.26.5, go-net/http 1.26.4.The fingerprint page shows the full measured match list. More on the catalog.3

HTTP request (JA4H)

fingerprintco-occurrences
he11nr030000_69803879d94f_000000000000_0000000000002
he11nn030000_69803879d94f_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:120+8:0:1460:62727,7:mss,sok,ts,nop,ws:df,id+:02
4:113+15:0:1460:62727,7:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
62727_2-4-8-1-3_1460_73

Country

fingerprintco-occurrences
US · United States3

Network (ASN)

fingerprintco-occurrences
AS14618 · Amazon.com, Inc.3

TLS supported groups

fingerprintco-occurrences
11ec,11eb,11ed,001d,0017,0018,0019 Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.27.3, go-net/http 1.26.10.The fingerprint page shows the full measured match list. More on the catalog.3