User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.121 Safari/537.36
first seen 2026-06-27 18:04 · last seen 2026-10-25 19:33 · 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 | Chrome 85.0.4183.121 |
|---|---|
| Operating system | macOS 10.15.7 |
| 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 |
|---|---|
t13d191000_9dc949149365_e7c285222651 | 34 |
t13d1812h1_85036bcba153_b26ce05bbdd6 | 3 |
HTTP request (JA4H)
TCP SYN (p0f)
TCP SYN (JA4T)
| fingerprint | co-occurrences |
|---|---|
42340_2-4-8-1-3_1460_9 | 32 |
64952_2-4-8-1-3_1412_7 | 3 |
Country
| fingerprint | co-occurrences |
|---|---|
CN · China | 34 |
HK · Hong Kong SAR China | 3 |
Network (ASN)
| fingerprint | co-occurrences |
|---|---|
AS4134 · CHINANET BACKBONE | 34 |
AS135377 · UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED | 3 |
TLS supported groups
| fingerprint | co-occurrences |
|---|---|
001d,0017,001e,0019,0018,0100,0101,0102,0103,0104 Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.13.0, php-guzzle 8.3.1, curl 7.88.1, +10 more.The fingerprint page shows the full measured match list. More on the catalog. | 2 |