TCP SYN (p0f)

4:51+13:0:8960:mss*7,10:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-06-20 10:27 · last seen 2026-06-20 10:27 · JSON

Decomposed attributes

IP version4
Initial TTL51+13
Options length0
MSS8960
Window sizemss*7
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
t13d3112h1_e8f1e7e78f70_b26ce05bbdd6 Match?Exact match in Thumbprint's published controlled catalog captures: php-guzzle 8.1.0, php-guzzle 8.0.2, php-guzzle 7.14.2, +6 more.The fingerprint page shows the full measured match list. More on the catalog.2

HTTP request (JA4H)

fingerprintco-occurrences
po11nn090000_54aa1084bf84_000000000000_0000000000001
he11nn040000_608e01151bf4_000000000000_0000000000001

User-Agent

fingerprintco-occurrences
python-requests/2.31.01
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36 Assetnote/1.0.01

Country

fingerprintco-occurrences
IN · India2

Network (ASN)

fingerprintco-occurrences
AS31898 · Oracle Corporation2