TCP SYN (p0f)

6:237+18:0:1432:65535,6:mss,nop,ws,nop,nop,ts,sok,eol+1:ecn,flow:0

first seen 2026-09-26 09:25 · last seen 2026-09-26 09:25 · JSON

Decomposed attributes

IP version6
Initial TTL237+18
Options length0
MSS1432
Window size65535
Window scale6
Options layoutmss,nop,ws,nop,nop,ts,sok,eol+1
Quirksecn,flow
Payload class0

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.2

HTTP request (JA4H)

fingerprintco-occurrences
ge20nr06eses_719d4c646f0f_000000000000_0000000000001
ge20nr10eses_5f1d015f3d9d_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.2

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-1-3-1-1-8-4-0-0_1432_62

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/27.0 Safari/605.1.152

Country

fingerprintco-occurrences
ES · Spain2

Network (ASN)

fingerprintco-occurrences
AS57269 · DIGI SPAIN TELECOM S.A2