TCP SYN (p0f)

4:48+16:0:1440:mss*10,6:mss,sok,ts,nop,ws:id-:0

first seen 2026-09-10 02:14 · last seen 2026-09-10 02:14 · JSON

Decomposed attributes

IP version4
Initial TTL48+16
Options length0
MSS1440
Window sizemss*10
Window scale6
Options layoutmss,sok,ts,nop,ws
Quirksid-
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
t13d1515h1_8daaf6152771_0a20fe35d3a51

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn14enus_4a2973d235de_000000000000_0000000000001

TCP SYN (JA4T)

fingerprintco-occurrences
14600_2-4-8-1-3_1440_61

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.361

Country

fingerprintco-occurrences
GB · United Kingdom1

Network (ASN)

fingerprintco-occurrences
AS5607 · Sky UK Limited1