TCP SYN (p0f)

4:46+18:0:1340:mss*48,7:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-07-26 02:06 · last seen 2026-07-31 23:29 · JSON

Decomposed attributes

IP version4
Initial TTL46+18
Options length0
MSS1340
Window sizemss*48
Window scale7
Options layoutmss,sok,ts,nop,ws
Quirksdf,id+
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
t13d251100_b78ed14e2fd0_ab7e3b40a6772

HTTP request (JA4H)

fingerprintco-occurrences
ge11nr050000_57c5e92682a8_000000000000_0000000000002

TCP SYN (JA4T)

fingerprintco-occurrences
64320_2-4-8-1-3_1340_72

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.6 Mobile/15E148 Safari/604.11
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.5 Mobile/15E148 Safari/604.11

Country

fingerprintco-occurrences
DE · Germany2

Network (ASN)

fingerprintco-occurrences
AS9009 · M247 Europe SRL2