TCP SYN (p0f)

4:112+16:0:1360:mss*48,8:mss,nop,ws,nop,nop,sok:df,id+:0

first seen 2026-10-25 21:43 · last seen 2026-10-25 21:43 · JSON

Last 7 days (1 observations)

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 TTL112+16
Options length0
MSS1360
Window sizemss*48
Window scale8
Options layoutmss,nop,ws,nop,nop,sok
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
t13d1313h2_f57a46bbacb6_9249cab70c771

HTTP request (JA4H)

fingerprintco-occurrences
ge20nr020000_fb4f949fd323_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:65536;2:0;3:1000;4:6291456;6:262144|15663105|1:1:0:256|m,a,s,p1

TCP SYN (JA4T)

fingerprintco-occurrences
65280_2-1-3-1-1-4_1360_81

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Android 14; Mobile; rv:127.0) Gecko/127.0 Firefox/127.01

Country

fingerprintco-occurrences
US · United States1

Network (ASN)

fingerprintco-occurrences
AS20115 · Charter Communications LLC1

TLS supported groups

fingerprintco-occurrences
6399,001d,0017,0018,00191