TCP SYN (p0f)

4:58+6:0:1420:mss*46,12:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-07-10 04:16 · last seen 2026-07-16 07:18 · JSON

Decomposed attributes

IP version4
Initial TTL58+6
Options length0
MSS1420
Window sizemss*46
Window scale12
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
t13d1516h1_8daaf6152771_d8a2da3f94cd8

HTTP request (JA4H)

fingerprintco-occurrences
po11nr15enus_09e4ed5d8ed5_000000000000_0000000000006
ge11nr14enus_720e99a7fa86_000000000000_0000000000002

TCP SYN (JA4T)

fingerprintco-occurrences
65320_2-4-8-1-3_1420_128

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.364
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.362
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.361
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.361

Country

fingerprintco-occurrences
US · United States8

Network (ASN)

fingerprintco-occurrences
AS396982 · Google LLC8