TCP SYN (p0f)

4:52+12:0:1460:mss*22,7:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-06-30 09:18 · last seen 2026-09-16 13:35 · JSON

Decomposed attributes

IP version4
Initial TTL52+12
Options length0
MSS1460
Window sizemss*22
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
t13d131100_f57a46bbacb6_e5728521abd423
t13i170900_5b57614c22b0_78e6aca7449b2

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn10zhcn_9c0cf7475f83_000000000000_00000000000017
ge11nr10zhcn_9c0cf7475f83_000000000000_0000000000006
ge11nn070000_fd2827074311_000000000000_0000000000001
ge11nn050000_7c1f178bff36_000000000000_0000000000001

TCP SYN (JA4T)

fingerprintco-occurrences
32120_2-4-8-1-3_1460_725

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (iPhone; CPU iPhone OS 13_2_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.3 Mobile/15E148 Safari/604.123
libredtail-http2

Country

fingerprintco-occurrences
US · United States23
VN · Vietnam2

Network (ASN)

fingerprintco-occurrences
AS45102 · Alibaba (US) Technology Co., Ltd.23
AS150862 · VPSTTT COMPUTER COMPANY LIMITED2