User-Agent

Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36 Viewer/99.9.8853.8

first seen 2026-06-27 14:13 · last seen 2026-08-16 23:34 · JSON

Decomposed attributes

Browser / clientViewer 99.9.8853.8
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
t13d131000_f57a46bbacb6_e7c285222651 Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.23.12.The fingerprint page shows the full measured match list. More on the catalog.2
t13d131100_f57a46bbacb6_e5728521abd42

HTTP request (JA4H)

fingerprintco-occurrences
ge11nr07enus_b23b8373b424_000000000000_0000000000003
ge11nr07enus_5412f1360991_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:50+14:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:02
4:48+16:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:48+16:0:1460:mss*44,9:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1460_72
64240_2-4-8-1-3_1460_91

Country

fingerprintco-occurrences
SE · Sweden4

Network (ASN)

fingerprintco-occurrences
AS51747 · Internet Vikings International AB3
AS12552 · GlobalConnect AB1