TCP SYN (p0f)

4:44+20:0:1460:mss*29,10:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-07-11 10:35 · last seen 2026-08-11 16:57 · JSON

Decomposed attributes

IP version4
Initial TTL44+20
Options length0
MSS1460
Window sizemss*29
Window scale10
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
t12d610700_8a10cb45a794_4446390ac22422

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn040000_4f6f4aad0c1e_000000000000_00000000000022

TCP SYN (JA4T)

fingerprintco-occurrences
42340_2-4-8-1-3_1460_1022

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Linux; Android 5.0) AppleWebKit/537.36 (KHTML, like Gecko) Mobile Safari/537.36 (compatible; Bytespider; https://bytedance.sg.larkoffice.com/docx/K5bxdypulop3IIxrJb0lOjLVgFe)14
Mozilla/5.0 (Linux; Android 5.0) AppleWebKit/537.36 (KHTML, like Gecko) Mobile Safari/537.36 (compatible; Bytespider; spider-feedback@bytedance.com)8

Country

fingerprintco-occurrences
SG · Singapore22

Network (ASN)

fingerprintco-occurrences
AS16509 · Amazon.com, Inc.22