TCP SYN (p0f)
4:46+18:0:1460:mss*29,8:mss,sok,ts,nop,ws:df,id+:0
first seen 2026-08-18 07:07 · last seen 2026-08-18 07:07 · 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 version | 4 |
|---|---|
| Initial TTL | 46+18 |
| Options length | 0 |
| MSS | 1460 |
| Window size | mss*29 |
| Window scale | 8 |
| Options layout | mss,sok,ts,nop,ws |
| Quirks | df,id+ |
| Payload class | 0 |
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)
| fingerprint | co-occurrences |
|---|---|
t13d0811h2_702d7ce1938f_9ced094328c9 | 1 |
HTTP request (JA4H)
| fingerprint | co-occurrences |
|---|---|
ge20nn04enus_989c7cc05c9b_000000000000_000000000000 | 1 |
HTTP/2 frames (Akamai)
| fingerprint | co-occurrences |
|---|---|
1:65536;2:0;4:6291456;6:262144;4:1048576|15663105|1:0:0:256|m,a,s,p | 1 |
TCP SYN (JA4T)
| fingerprint | co-occurrences |
|---|---|
42340_2-4-8-1-3_1460_8 | 1 |
User-Agent
| fingerprint | co-occurrences |
|---|---|
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.6 Safari/537.36 | 1 |
Country
| fingerprint | co-occurrences |
|---|---|
RS · Serbia | 1 |
Network (ASN)
| fingerprint | co-occurrences |
|---|---|
AS211619 · MAXKO d.o.o. | 1 |