TCP SYN (p0f)

4:113+15:0:1301:mss*44,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:0

first seen 2026-09-26 14:26 · last seen 2026-09-26 14:26 · JSON

Decomposed attributes

IP version4
Initial TTL113+15
Options length0
MSS1301
Window sizemss*44
Window scale8
Options layoutmss,nop,ws,nop,nop,sok
Quirksdf,id+,ecn
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
t13d1812h1_85036bcba153_b26ce05bbdd61

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.1

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-1-3-1-1-4_1301_81

User-Agent

fingerprintco-occurrences
python-requests/2.32.41

Country

fingerprintco-occurrences
IR · Iran1

Network (ASN)

fingerprintco-occurrences
AS200436 · Patron Technology Persia Ltd1