TCP SYN (p0f)

4:48+16:0:1200:mss*36,10:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-09-03 21:26 · last seen 2026-09-03 21:26 · JSON

Distinct clients per day (last 30 days, peak 1/day)

Distinct clients are counted by IP-hash per complete UTC day — unlike observation counts this is insensitive to one chatty client, but NAT merges clients and address rotation splits them.

Decomposed attributes

IP version4
Initial TTL48+16
Options length0
MSS1200
Window sizemss*36
Window scale10
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
t13d311100_e8f1e7e78f70_d41ae481755e Match?Exact match in Thumbprint's published controlled catalog captures: rust-hyper 1.11.0, rust-hyper 1.11.1, rust-hyper 1.10.1.The fingerprint page shows the full measured match list. More on the catalog.1

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn030000_69803879d94f_000000000000_0000000000001

TCP SYN (JA4T)

fingerprintco-occurrences
43200_2-4-8-1-3_1200_101

User-Agent

fingerprintco-occurrences
Mozilla/5.01

Country

fingerprintco-occurrences
US · United States1

Network (ASN)

fingerprintco-occurrences
AS11351 · Charter Communications Inc1