User-Agent

Mozilla/5.0 (compatible; filter9router/1.0)

first seen 2026-08-14 07:43 · last seen 2026-08-14 07:43 · JSON

Decomposed attributes

Browser / clientfilter9router 1.0
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_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

HTTP request (JA4H)

fingerprintco-occurrences
ge11nr050000_a1c329e38462_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:45+19:0:1460:mss*29,12:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

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

Country

fingerprintco-occurrences
VN · Vietnam1

Network (ASN)

fingerprintco-occurrences
AS135905 · VIETNAM POSTS AND TELECOMMUNICATIONS GROUP1