User-Agent
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:142.0) Gecko/20100101 Firefox/142.0
first seen 2026-06-12 09:48 · last seen 2026-10-12 21:53 · 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 / client | Firefox 142.0 |
|---|---|
| Operating system | Linux x86_64 |
| 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 |
|---|---|
t12i130500_2d7513195f68_e51b7354d87f | 1 |
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. | 1 |
t12d130600_2d7513195f68_e51b7354d87f | 1 |
HTTP request (JA4H)
| fingerprint | co-occurrences |
|---|---|
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. | 2 |
ge11nn030000_cd680697de12_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: powershell 7.6.6, powershell 7.6.5, powershell 7.6.4, +11 more.The fingerprint page shows the full measured match list. More on the catalog. | 1 |
TCP SYN (p0f)
| fingerprint | co-occurrences |
|---|---|
4:51+13:0:1460:mss*29,9:mss,nop,ws:df,id+:0 | 2 |
4:50+14:0:1024:65535,0:mss,sok,ts:df,id+:0 | 1 |
TCP SYN (JA4T)
| fingerprint | co-occurrences |
|---|---|
65535_2-4-8_1024_00 | 1 |
Country
| fingerprint | co-occurrences |
|---|---|
US · United States | 3 |
Network (ASN)
| fingerprint | co-occurrences |
|---|---|
AS6939 · Hurricane Electric LLC | 2 |
AS212512 · Detai Prosperous Technologies Limited | 1 |