TCP SYN (p0f)
6:53+11:0:1230:mss*45,8:mss,nop,ws,nop,nop,sok:flow:0
first seen 2026-08-16 11:35 · last seen 2026-09-13 00:00 · 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 | 6 |
|---|---|
| Initial TTL | 53+11 |
| Options length | 0 |
| MSS | 1230 |
| Window size | mss*45 |
| Window scale | 8 |
| Options layout | mss,nop,ws,nop,nop,sok |
| Quirks | flow |
| 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 |
|---|---|
t12d210700_76e208dd3e22_2dae41c691ec | 1 |
t12d190800_d83cc789557e_7af1ed941c26 | 1 |
HTTP request (JA4H)
| fingerprint | co-occurrences |
|---|---|
ge11nn12enus_d9dcce99a5ac_000000000000_000000000000 | 1 |
po11nn07enin_7d361e250c48_000000000000_000000000000 | 1 |
TCP SYN (JA4T)
| fingerprint | co-occurrences |
|---|---|
64800_2-1-3-1-1-4_1230_8 | 2 |
User-Agent
| fingerprint | co-occurrences |
|---|---|
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.36 Edg/149.0.0.0 | 1 |
Jetpack by WordPress.com | 1 |
Country
| fingerprint | co-occurrences |
|---|---|
IN · India | 2 |
Network (ASN)
| fingerprint | co-occurrences |
|---|---|
AS24560 · Bharti Airtel Ltd., Telemedia Services | 2 |