User-Agent

Mozilla/5.0 (iPhone; CPU iPhone OS 18_7 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) FxiOS/148.0 Mobile/15E148 Safari/605.1.15

first seen 2026-06-19 19:06 · last seen 2026-06-19 19:06 · JSON

Decomposed attributes

Browser / clientFirefox 148.0
Operating systemiOS 18.7
Device classmobile
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
t13d1715h2_5b57614c22b0_a54fffd0eb612

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn15enus_8b009fd57909_000000000000_0000000000001
op20nn15enus_8b009fd57909_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:65536;2:0;4:131072;5:16384|12517377|3:0:0:42|m,p,a,s Match?Exact match in Thumbprint's published controlled catalog captures: firefox 154.0, firefox 152.0.5, firefox 152.0.1, +3 more.The fingerprint page shows the full measured match list. More on the catalog.2

TCP SYN (p0f)

fingerprintco-occurrences
4:110+18:0:1460:mss*44,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:02

Country

fingerprintco-occurrences
DE · Germany2

Network (ASN)

fingerprintco-occurrences
AS8560 · IONOS SE2