TCP SYN (p0f)

4:48+16:0:1359:65535,9:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-10-01 07:21 · last seen 2026-10-01 07:21 · JSON

Distinct clients per day (last 30 days, peak 1/day)

Distinct clients are counted by IP-hash per complete UTC day — unlike observation counts this is insensitive to one chatty client, but NAT merges clients and address rotation splits them.

Decomposed attributes

IP version4
Initial TTL48+16
Options length0
MSS1359
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
t13d1713h1_5b57614c22b0_eca864cca44a1

HTTP request (JA4H)

fingerprintco-occurrences
ge11cr070000_b0d73ed11437_c00282046cf0_5164c8a8598f1

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-4-8-1-3_1359_91

User-Agent

fingerprintco-occurrences
Dalvik/2.1.0 (Linux; U; Android 13; CMA-LX3 Build/HONORCMA-L43CQ)1

Country

fingerprintco-occurrences
CU · Cuba1

Network (ASN)

fingerprintco-occurrences
AS27725 · Empresa de Telecomunicaciones de Cuba, S.A.1