TCP SYN (p0f)

4:48+16:0:1440:mss*44,1:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-09-04 01:15 · last seen 2026-09-15 04:13 · JSON

Decomposed attributes

IP version4
Initial TTL48+16
Options length0
MSS1440
Window sizemss*44
Window scale1
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_de4a06bb82e34
t13d1515h1_8daaf6152771_0a20fe35d3a53

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn13enus_9db22d02e17a_000000000000_0000000000004
ge11nn14enus_4a2973d235de_000000000000_0000000000003

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1440_17

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.0.0 Safari/537.362
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_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.361
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.361
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.361
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.361

Country

fingerprintco-occurrences
BR · Brazil3
CO · Colombia2
IN · India1
BD · Bangladesh1

Network (ASN)

fingerprintco-occurrences
AS3816 · COLOMBIA TELECOMUNICACIONES S.A. ESP BIC2
AS266360 · UTOPIANET INFORMATICA E TELECOMUNICACOES LTDA1
AS138004 · MIR INFO SYSTEMS LTD.1
AS265015 · RR wifi telecomunicacoes ltda1
AS264955 · A S Jacobi Informatica1
AS150027 · Auriganet Digital Technologies Private Limited1