User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 15.7; rv:149.0) Gecko/20100101 Firefox/149.0
first seen 2026-06-12 09:40 · last seen 2026-08-01 18:36 · JSON
Decomposed attributes
| Browser / client | Firefox 149.0 |
|---|---|
| Operating system | macOS 15.7 |
| Device class | desktop |
| Note | inferred 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)
| fingerprint | co-occurrences |
|---|---|
t13d1312h1_f57a46bbacb6_ab7e3b40a677 | 17 |
HTTP request (JA4H)
| fingerprint | co-occurrences |
|---|---|
ge11nr040000_e1d2031bdfea_000000000000_000000000000 | 6 |
ge11nn040000_88d30a62b7ad_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: wget 1.25.0.The fingerprint page shows the full measured match list. More on the catalog. | 5 |
ge11nn040000_e1d2031bdfea_000000000000_000000000000 | 4 |
he11nn030000_fe444ad14866_000000000000_000000000000 | 1 |
ge11nr040000_88d30a62b7ad_000000000000_000000000000 | 1 |
TCP SYN (p0f)
TCP SYN (JA4T)
| fingerprint | co-occurrences |
|---|---|
64240_2-4-8-1-3_1460_7 | 3 |
64800_2-4-8-1-3_1440_7 | 3 |
64240_2-4-8-1-3_1436_7 | 3 |
42340_2-4-8-1-3_1460_13 | 2 |
Country
| fingerprint | co-occurrences |
|---|---|
US · United States | 9 |
NL · Netherlands | 4 |
DE · Germany | 3 |
GB · United Kingdom | 1 |
Network (ASN)
| fingerprint | co-occurrences |
|---|---|
AS9009 · M247 Europe SRL | 5 |
AS211693 · NolimitCloud s.r.o | 3 |
AS7203 · Leaseweb USA, Inc. | 2 |
AS26277 · ServerPoint.com | 2 |
AS203363 · Kuroit Limited | 2 |
AS41608 · NextGenWebs, S.L. | 1 |
AS214481 · Wojciech Czapkowicz | 1 |
AS60404 · Liteserver | 1 |