TCP SYN (p0f)

4:47+17:0:1340:mss*44,7:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-06-30 23:04 · last seen 2026-07-02 22:38 · JSON

Decomposed attributes

IP version4
Initial TTL47+17
Options length0
MSS1340
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
t13d131100_f57a46bbacb6_ab7e3b40a677 Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.26.6, go-net/http 1.26.5, go-net/http 1.26.4.The fingerprint page shows the full measured match list. More on the catalog.2

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn030000_cd680697de12_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: powershell 7.6.5, powershell 7.6.4, go-net/http 1.27.0, +7 more.The fingerprint page shows the full measured match list. More on the catalog.1
ge11nr030000_cd680697de12_000000000000_0000000000001

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1340_72

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.135 Safari/537.36 Edge/12.2462

Country

fingerprintco-occurrences
CH · Switzerland2

Network (ASN)

fingerprintco-occurrences
AS39351 · 31173 Services AB2