TCP SYN (p0f)

4:51+13:0:1400:mss*44,10:mss,sok,ts,nop,ws:df,id+:0

first seen 2026-10-09 01:49 · last seen 2026-10-09 01:49 · 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 TTL51+13
Options length0
MSS1400
Window sizemss*44
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
t13d2014h2_a09f3c656075_14788d8d241b1

HTTP request (JA4H)

fingerprintco-occurrences
ge20nr020000_b89ce445e0b3_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
2:0;4:4194304;5:16384;6:262144;1:65536|1073741824|0|a,m,p,s1

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1400_101

User-Agent

fingerprintco-occurrences
Go-http-client/2.01

Country

fingerprintco-occurrences
TR · Turkey1

Network (ASN)

fingerprintco-occurrences
AS12735 · TurkNet Iletisim Hizmetleri A.S.1