TCP SYN (p0f)

4:247+8:0:1460:65535,9:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-06-23 02:51 · last seen 2026-07-28 02:47 · JSON

Decomposed attributes

IP version4
Initial TTL247+8
Options length0
MSS1460
Window size65535
Window scale9
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
t13d3613h1_018971650b2c_03eb65375a956
t13d3514h1_bfa337485184_97a66a8f4cb11

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn050000_b223a0ebb0b5_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: python-requests 2.34.2, python-requests 2.33.1, python-requests 2.32.3.The fingerprint page shows the full measured match list. More on the catalog.6
ge11nn040000_608e01151bf4_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: python-requests 2.32.3.The fingerprint page shows the full measured match list. More on the catalog.1

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-4-8-1-3_1460_96

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.0.0 Safari/537.367

Country

fingerprintco-occurrences
US · United States7

Network (ASN)

fingerprintco-occurrences
AS14618 · Amazon.com, Inc.7