TCP SYN (p0f)

6:52+12:0:1440:65535,9:mss,sok,ts,nop,ws:flow:0

first seen 2026-09-22 17:21 · last seen 2026-09-22 17:21 · JSON

Decomposed attributes

IP version6
Initial TTL52+12
Options length0
MSS1440
Window size65535
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
t13d1517h2_8daaf6152771_3cbfd9057e0d Match?Exact match in Thumbprint's published controlled catalog captures: firefox 155.0.1, firefox 154.0, firefox 156.0, +7 more.The fingerprint page shows the full measured match list. More on the catalog.2

HTTP request (JA4H)

fingerprintco-occurrences
ge20nr10ruru_b3034183f430_000000000000_0000000000001
ge20nn11ruru_3901d4197baf_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:4096;2:0;4:32768;5:16384|12517377|3:0:0:22|m,p,a,s1
1:4096;2:0;4:32768;5:16384|12517377|3:0:0:42|m,p,a,s1

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-4-8-1-3_1440_92

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Android 16; Mobile; rv:156.0) Gecko/156.0 Firefox/156.02

Country

fingerprintco-occurrences
RU · Russia2

Network (ASN)

fingerprintco-occurrences
AS42610 · OJSC National Cable Networks2