TCP SYN (p0f)

4:46+18:0:1460:65228,7:mss,nop,ws,sok,ts:df:0

first seen 2026-09-03 13:13 · last seen 2026-09-08 08:08 · JSON

Decomposed attributes

IP version	`4`
Initial TTL	`46+18`
Options length	`0`
MSS	`1460`
Window size	`65228`
Window scale	`7`
Options layout	`mss,nop,ws,sok,ts`
Quirks	`df`
Payload class	`0`

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)

fingerprint	co-occurrences
`t13d1717h2_5b57614c22b0_3cbfd9057e0d` Match?Exact match in Thumbprint's published controlled catalog captures: firefox 148.0.2, firefox 144.0.2, firefox 142.0.1, +6 more.The fingerprint page shows the full measured match list. More on the catalog.	1
`t13d1515h1_8daaf6152771_0a20fe35d3a5`	1

HTTP request (JA4H)

fingerprint	co-occurrences
`ge20nn10ruru_d353d425b0bb_000000000000_000000000000`	1
`ge11nn14enus_4a2973d235de_000000000000_000000000000`	1

HTTP/2 frames (Akamai)

fingerprint	co-occurrences
`1:65536;2:0;4:131072;5:16384\|12517377\|3:0:0:42\|m,p,a,s` Match?Exact match in Thumbprint's published controlled catalog captures: firefox 154.0, firefox 152.0.5, firefox 152.0.1, +3 more.The fingerprint page shows the full measured match list. More on the catalog.	1

TCP SYN (JA4T)

fingerprint	co-occurrences
`65228_2-1-3-4-8_1460_7`	2

User-Agent

fingerprint	co-occurrences
`Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.36`	1
`Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:149.0) Gecko/20100101 Firefox/149.0`	1

Country

fingerprint	co-occurrences
`RU` · Russia	1
`AR` · Argentina	1

Network (ASN)

fingerprint	co-occurrences
`AS41601` · NEO Print Ltd.	1
`AS265660` · QUINAR S.R.L.	1