TCP SYN (p0f)

4:47+17:0:1460:mss*22,9:mss,sok,ts,nop,ws::0

first seen 2026-10-31 01:36 · last seen 2026-10-31 21:10 · JSON

Last 7 days (4 observations)

Decomposed attributes

IP version	`4`
Initial TTL	`47+17`
Options length	`0`
MSS	`1460`
Window size	`mss*22`
Window scale	`9`
Options layout	`mss,sok,ts,nop,ws`
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
`t12d290700_fc2078a0b8c0_8c06664c3ac5`	4

HTTP request (JA4H)

fingerprint	co-occurrences
`ge11nn040000_bfa5a9b89dd6_000000000000_000000000000`	2
`ge11nn05en00_61812dc1cc58_000000000000_000000000000`	2

TCP SYN (JA4T)

fingerprint	co-occurrences
`32120_2-4-8-1-3_1460_9`	4

User-Agent

fingerprint	co-occurrences
`Mozilla/5.0 (compatible; MJ12bot/v1.4.8; http://mj12bot.com/)`	4

Country

fingerprint	co-occurrences
`NO` · Norway	4

Network (ASN)

fingerprint	co-occurrences
`AS29695` · Lyse Tele AS	4

TLS supported groups

fingerprint	co-occurrences
`001d,0017,0018` Match?Exact match in Thumbprint's published controlled catalog captures: rust-reqwest 0.12.28, rust-reqwest 0.11.27, powershell 7.6.8, +1 more.The fingerprint page shows the full measured match list. More on the catalog.	4