TCP SYN (p0f)

4:51+13:0:1460:65535,8:mss,nop,ws,sok,ts:df:0

first seen 2026-07-01 14:35 · last seen 2026-07-01 14:35 · JSON

Decomposed attributes

IP version4
Initial TTL51+13
Options length0
MSS1460
Window size65535
Window scale8
Options layoutmss,nop,ws,sok,ts
Quirksdf
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
t13d301100_1d37bd780c83_8e6e362c5eac1

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn07enus_9cffa57b58a3_000000000000_0000000000001

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-1-3-4-8_1460_81

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (X11; Linux x86_64; rv:121.0) Gecko/20100101 Firefox/121.01

Country

fingerprintco-occurrences
US · United States1

Network (ASN)

fingerprintco-occurrences
AS7922 · Comcast Cable Communications, LLC1