TCP SYN (JA4T)

64240_2-1-1-4_1350_00

first seen 2026-09-25 21:05 · last seen 2026-09-25 21:05 · JSON

Decomposed attributes

TCP window64240
Option kinds2-1-1-4
MSS1350
Window scale00

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
t13d2013h2_a09f3c656075_7f0f34a4126d Match?Exact match in Thumbprint's published controlled catalog captures: safari 26.5.2, safari 26.6.2, safari 26.4, +2 more.The fingerprint page shows the full measured match list. More on the catalog.3
t13d1313h2_f57a46bbacb6_7f0f34a4126d1

HTTP request (JA4H)

fingerprintco-occurrences
ge20nr09enus_5ad46a65401a_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: safari 26.5.2, safari 26.6.2, safari 26.6.1, +2 more.The fingerprint page shows the full measured match list. More on the catalog.2
ge20nr08enus_6fbeabe70649_000000000000_0000000000001
ge20nn06enus_73e2b56f38a6_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
2:0;3:100;4:2097152;9:1|10420225|0|m,s,a,p Match?Exact match in Thumbprint's published controlled catalog captures: safari 26.5.2, safari 26.6.2, safari 26.5, +2 more.The fingerprint page shows the full measured match list. More on the catalog.3
2:0;4:2097152;3:100;9:1|10485760|0|m,s,p,a1

TCP SYN (p0f)

fingerprintco-occurrences
4:47+17:0:1350:mss*44,0:mss,nop,nop,sok:df,id+:03
4:48+16:0:1350:mss*44,0:mss,nop,nop,sok:df,id+:01

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (iPhone; CPU iPhone OS 18_7 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) FxiOS/156.1 Mobile/15E148 Safari/604.13
facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php)1

Country

fingerprintco-occurrences
US · United States4

Network (ASN)

fingerprintco-occurrences
AS64294 · Panasonic Avionics Corporation4