User-Agent

Mozilla/5.0 (compatible; ReconX-L2S/1.0)

first seen 2026-10-08 06:56 · last seen 2026-10-13 20:32 · 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 / clientReconX-L2S 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
t13d1312h2_f57a46bbacb6_ab7e3b40a677 Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.26.6, go-net/http 1.26.10, go-net/http 1.26.9, +7 more.The fingerprint page shows the full measured match list. More on the catalog.9

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn13enus_1870438f3ce4_000000000000_0000000000001
ge20nn13enus_f78167c75490_000000000000_0000000000001
ge20nn13enus_090b14277034_000000000000_0000000000001
ge20nn13enus_4c9ee28d58c6_000000000000_0000000000001
ge20nn13enus_5992397529c5_000000000000_0000000000001
ge20nn13enus_2994171dda28_000000000000_0000000000001
ge20nn10enus_5d42973b2d21_000000000000_0000000000001
ge20nn13enus_13758eafcc1e_000000000000_0000000000001
ge20nn13enus_e1e5a86441e9_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
2:0;4:4194304;5:16384;6:10485760|1073741824|0|a,m,p,s Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.26.6, go-net/http 1.26.10, go-net/http 1.26.9, +8 more.The fingerprint page shows the full measured match list. More on the catalog.9

TCP SYN (p0f)

fingerprintco-occurrences
4:48+16:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:07
4:57+7:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:02

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1460_79

Country

fingerprintco-occurrences
NL · Netherlands9

Network (ASN)

fingerprintco-occurrences
AS213438 · ColocaTel Inc.7
AS197170 · TechTies Inc.2