TCP SYN (p0f)

4:47+17:0:1396:mss*44,7:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-06-30 18:46 · last seen 2026-07-01 17:50 · JSON

Decomposed attributes

IP version4
Initial TTL47+17
Options length0
MSS1396
Window sizemss*44
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
t13d4312h1_c7886603b240_b26ce05bbdd63

HTTP request (JA4H)

fingerprintco-occurrences
he11nn06ja00_fb4afd1f380a_000000000000_0000000000002
ge11nn06ja00_fb4afd1f380a_000000000000_0000000000001

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1396_73

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.6 Mobile/15E148 Safari/604.12
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Mobile Safari/537.361

Country

fingerprintco-occurrences
JP · Japan3

Network (ASN)

fingerprintco-occurrences
AS2516 · KDDI CORPORATION3