TCP SYN (p0f)
4:54+10:0:1460:62720,7:mss,sok,ts,nop,ws:df,id+:0
first seen 2026-09-09 07:58 · last seen 2026-09-15 09:18 · 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 version | 4 |
|---|---|
| Initial TTL | 54+10 |
| Options length | 0 |
| MSS | 1460 |
| Window size | 62720 |
| Window scale | 7 |
| 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 |
|---|---|
t13d1011h1_61a7ad8aa9b6_3fcd1a44f3e3 | 1 |
t13d3613h1_018971650b2c_b7ee5e09e9b3 | 1 |
HTTP request (JA4H)
| fingerprint | co-occurrences |
|---|---|
ge11nn040000_cf1edba2959c_000000000000_000000000000 | 1 |
ge11nn06enus_98e697c2fa06_000000000000_000000000000 | 1 |
TCP SYN (JA4T)
| fingerprint | co-occurrences |
|---|---|
62720_2-4-8-1-3_1460_7 | 2 |
User-Agent
| fingerprint | co-occurrences |
|---|---|
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 | 1 |
f1tym1-scraper/1.0 (+https://f1tym1.com/sources/) | 1 |
Country
| fingerprint | co-occurrences |
|---|---|
US · United States | 1 |
BR · Brazil | 1 |
Network (ASN)
| fingerprint | co-occurrences |
|---|---|
AS31898 · Oracle Corporation | 2 |