TCP SYN (p0f)

6:51+13:0:1440:mss*30,9:mss,sok,ts,nop,ws:flow:0

first seen 2026-06-26 20:51 · last seen 2026-06-26 21:05 · JSON

Decomposed attributes

IP version6
Initial TTL51+13
Options length0
MSS1440
Window sizemss*30
Window scale9
Options layoutmss,sok,ts,nop,ws
Quirksflow
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
t13d1516h2_8daaf6152771_d8a2da3f94cd Match?Exact match in Thumbprint's published controlled catalog captures: chromium 149.0.7827.102, chrome 149.0.7827.102, chrome 149.0.7827.156, +25 more.The fingerprint page shows the full measured match list. More on the catalog.3

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn14zhcn_186438911b7e_000000000000_0000000000001
ge20nn15zhcn_eb14703c0579_000000000000_0000000000001
ge20nn14zhcn_b627e55c4c56_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:65536;2:0;4:6291456;6:262144|15663105|1:1:0:256|m,a,s,p Match?Exact match in Thumbprint's published controlled catalog captures: chromium 131.0.6778.33, chromium 151.0.7922.34, chrome 151.0.7922.137, +43 more.The fingerprint page shows the full measured match list. More on the catalog.3

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.363

Country

fingerprintco-occurrences
CA · Canada3

Network (ASN)

fingerprintco-occurrences
AS852 · TELUS Communications Inc.3