User-Agent

Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36 OPR/111.0.0.0

first seen 2026-09-25 22:05 · last seen 2026-10-12 19:42 · 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 / clientOpera 111.0.0.0
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
t13d131100_f57a46bbacb6_f50d94e863eb Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.27.1, go-net/http 1.27.3, go-net/http 1.27.0, +1 more.The fingerprint page shows the full measured match list. More on the catalog.9
t13d131100_f57a46bbacb6_a089bac06eae3

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn13enus_907d1f6f88cf_000000000000_0000000000003
ge11nn13engb_907d1f6f88cf_000000000000_0000000000002
ge11nn050000_97184295d143_000000000000_0000000000001
ge11nn15dede_6ebb72f1bef0_000000000000_0000000000001
ge11nn15enus_1ad518b69192_000000000000_0000000000001
ge11nn15dede_15477488560c_000000000000_0000000000001
ge11nn15engb_0c5f89cec815_000000000000_0000000000001
ge11nn15engb_57e311aaa71e_000000000000_0000000000001
ge11nn15dede_475631471e17_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:51+13:0:1460:mss*29,9:mss,sok,ts,nop,ws:df,id+:06
4:53+11:0:1460:mss*29,9:mss,sok,ts,nop,ws:df,id+:03
4:54+10:0:1460:mss*29,9:mss,sok,ts,nop,ws:df,id+:02
4:55+9:0:1460:mss*29,12:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
42340_2-4-8-1-3_1460_911
42340_2-4-8-1-3_1460_121

Country

fingerprintco-occurrences
NL · Netherlands6
US · United States3
PL · Poland3

Network (ASN)

fingerprintco-occurrences
AS48090 · TECHOFF SRV LIMITED6
AS142430 · DIGI VPS3
AS218785 · TC DATACENTER LIMITED3