TCP SYN (p0f)

4:39+25:0:1460:mss*20,4:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-07-26 11:47 · last seen 2026-09-05 00:45 · JSON

Decomposed attributes

IP version4
Initial TTL39+25
Options length0
MSS1460
Window sizemss*20
Window scale4
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
t13d1515h1_8daaf6152771_0a20fe35d3a51
t13d4412h1_fd39b124ee10_58ed7828516f1

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
ge11nn14enus_4a2973d235de_000000000000_0000000000001

TCP SYN (JA4T)

fingerprintco-occurrences
29200_2-4-8-1-3_1460_42

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.361
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.82 Safari/537.361

Country

fingerprintco-occurrences
IL · Israel1
VE · Venezuela1

Network (ASN)

fingerprintco-occurrences
AS12849 · Hot-Net internet services Ltd.1
AS264628 · CORPORACION FIBEX TELECOM, C.A.1