TCP SYN (p0f)

4:44+20:0:1460:65535,8:mss,sok,ts,nop,ws:df,id+,ecn:0

first seen 2026-07-27 20:32 · last seen 2026-10-13 09:05 · 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 TTL44+20
Options length0
MSS1460
Window size65535
Window scale8
Options layoutmss,sok,ts,nop,ws
Quirksdf,id+,ecn
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
t13d151000_dad3e448d43e_78e6aca7449b12

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn080000_916d4997cb05_000000000000_0000000000006
ge11nn100000_85b7ab1bffb1_000000000000_0000000000006

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-4-8-1-3_1460_812

User-Agent

fingerprintco-occurrences
Twitterbot/1.012

Country

fingerprintco-occurrences
US · United States12

Network (ASN)

fingerprintco-occurrences
AS13414 · Twitter Inc.12