TCP SYN (p0f)

4:45+19:0:1460:mss*29,13:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-06-30 02:56 · last seen 2026-06-30 02:56 · JSON

Decomposed attributes

IP version4
Initial TTL45+19
Options length0
MSS1460
Window sizemss*29
Window scale13
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
t13d1312h1_f57a46bbacb6_ab7e3b40a6778

HTTP request (JA4H)

fingerprintco-occurrences
ge11nr040000_e1d2031bdfea_000000000000_0000000000006
he11nr030000_fe444ad14866_000000000000_0000000000002

TCP SYN (JA4T)

fingerprintco-occurrences
42340_2-4-8-1-3_1460_138

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.362
Mozilla/5.0 (Macintosh; Intel Mac OS X 15_7_5) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.0 Safari/605.1.152
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.361
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:149.0) Gecko/20100101 Firefox/149.01
Mozilla/5.0 (Macintosh; Intel Mac OS X 15.7; rv:149.0) Gecko/20100101 Firefox/149.01
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.36 Edg/146.0.3856.1091

Country

fingerprintco-occurrences
US · United States8

Network (ASN)

fingerprintco-occurrences
AS26277 · ServerPoint.com8