User-Agent

Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:108.0) Gecko/20100101 Firefox/108.0

first seen 2026-08-13 05:17 · last seen 2026-10-09 07:46 · 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 / clientFirefox 108.0
Operating systemWindows 10.0
Device classdesktop
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
t12d130600_2d7513195f68_e51b7354d87f2
t13d141000_cbb2034c60b8_e7c285222651 Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.22.12.The fingerprint page shows the full measured match list. More on the catalog.1

HTTP request (JA4H)

fingerprintco-occurrences
ge11nr040000_e1d2031bdfea_000000000000_0000000000002
ge11nr030000_cd680697de12_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
6:53+11:0:1440:mss*30,9:mss,nop,ws:flow:01
4:52+12:0:1460:mss*29,9:mss,nop,ws:df,id+:01
6:48+16:0:1440:mss*30,9:mss,sok,ts,nop,ws:flow:01

TCP SYN (JA4T)

fingerprintco-occurrences
43200_2-1-3_1440_91
43200_2-4-8-1-3_1440_91
42340_2-1-3_1460_91

Country

fingerprintco-occurrences
US · United States2
FR · France1

Network (ASN)

fingerprintco-occurrences
AS6939 · Hurricane Electric LLC2
AS16276 · OVH SAS1