User-Agent

Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:126.0) Gecko/20100101 Firefox/126.0

first seen 2026-06-19 04:35 · last seen 2026-08-25 16:50 · JSON

Distinct clients per day (last 30 days, peak 2/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 / clientFirefox 126.0
Operating systemmacOS 10.15
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
t13d1312h2_a44d0ee8b3cc_e381dae6da6b2
t13d251100_b78ed14e2fd0_ab7e3b40a6771
t13d131100_f57a46bbacb6_e5728521abd41

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn18enus_f19a7ce03b58_000000000000_0000000000002
ge11nn040000_209bf58f7e8c_000000000000_0000000000001
ge11nr17enus_9f4f72c36cf0_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
2:0;3:1;4:8388608;5:65536|8323073|0|m,s,a,p2

TCP SYN (p0f)

fingerprintco-occurrences
4:56+8:0:1460:65535,13:mss,sok,ts,nop,ws:df,id+:02
4:50+14:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:48+16:0:1436:mss*44,7:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-4-8-1-3_1460_132
64240_2-4-8-1-3_1436_71

Country

fingerprintco-occurrences
US · United States2
DE · Germany1
NL · Netherlands1

Network (ASN)

fingerprintco-occurrences
AS13335 · Cloudflare, Inc.2
AS202412 · Omegatech LTD2