TCP SYN (p0f)

4:49+15:0:1460:mss*20,9:mss,sok,ts,nop,ws:df,id+,ecn:0

first seen 2026-06-23 04:49 · last seen 2026-06-23 04:49 · JSON

Decomposed attributes

IP version4
Initial TTL49+15
Options length0
MSS1460
Window sizemss*20
Window scale9
Options layoutmss,sok,ts,nop,ws
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
t13d181100_85036bcba153_d41ae481755e1
t13d1812h1_85036bcba153_b26ce05bbdd61

HTTP request (JA4H)

fingerprintco-occurrences
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
ge11nn030000_6f76d0e5ec76_000000000000_0000000000001

User-Agent

fingerprintco-occurrences
python-requests/2.34.21
Python-urllib/3.111

Country

fingerprintco-occurrences
US · United States2

Network (ASN)

fingerprintco-occurrences
AS36352 · HostPapa2