TCP SYN (p0f)

4:48+16:0:1452:65535,6:mss,nop,ws,nop,nop,ts,sok,eol+1:df,ecn:0

first seen 2026-07-11 20:42 · last seen 2026-07-11 20:59 · JSON

Decomposed attributes

IP version4
Initial TTL48+16
Options length0
MSS1452
Window size65535
Window scale6
Options layoutmss,nop,ws,nop,nop,ts,sok,eol+1
Quirksdf,ecn
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
t13d1714h1_5b57614c22b0_7baf387fc6ff2

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn050000_5ddb03fb9e99_000000000000_0000000000002

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-1-3-1-1-8-4-0-0_1452_62

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (compatible; showlogbot/1.0; +https://showlog.dev)2

Country

fingerprintco-occurrences
GB · United Kingdom2

Network (ASN)

fingerprintco-occurrences
AS2856 · British Telecommunications Limited2