TCP SYN (p0f)

4:48+16:0:1430:mss*22,7:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-06-30 02:04 · last seen 2026-06-30 02:04 · JSON

Decomposed attributes

IP version4
Initial TTL48+16
Options length0
MSS1430
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
t13d3113h2_e8f1e7e78f70_1b3407e2c9361

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn10enus_17421c874a9b_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
3:100;4:33554432;2:0|33488897|0|m,p,s,a Match?Exact match in Thumbprint's published controlled catalog captures: php-curl 7.88.1.The fingerprint page shows the full measured match list. More on the catalog.1

TCP SYN (JA4T)

fingerprintco-occurrences
32120_2-4-8-1-3_1430_71

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.361

Country

fingerprintco-occurrences
DE · Germany1

Network (ASN)

fingerprintco-occurrences
AS13043 · Bayer AG1