TCP SYN (p0f)
6:46+18:0:1392:65535,8:mss,nop,ws,nop,nop,sok:flow:0
first seen 2026-08-02 15:05 · last seen 2026-08-27 23:14 · 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 | 6 |
|---|---|
| Initial TTL | 46+18 |
| Options length | 0 |
| MSS | 1392 |
| Window size | 65535 |
| 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 |
|---|---|
t13d201200_2b729b4bf6f3_e24568c0d440 | 1 |
t13d1312h2_f57a46bbacb6_ab7e3b40a677 Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.26.6, go-net/http 1.26.8, go-net/http 1.26.7, +5 more.The fingerprint page shows the full measured match list. More on the catalog. | 1 |
HTTP request (JA4H)
| fingerprint | co-occurrences |
|---|---|
po11nn07enus_7d361e250c48_000000000000_000000000000 | 1 |
ge20nn13enus_47e2531affae_000000000000_000000000000 | 1 |
HTTP/2 frames (Akamai)
| fingerprint | co-occurrences |
|---|---|
2:0;4:4194304;5:16384;6:10485760|1073741824|0|a,m,p,s Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.26.6, go-net/http 1.26.8, go-net/http 1.26.7, +6 more.The fingerprint page shows the full measured match list. More on the catalog. | 1 |
TCP SYN (JA4T)
| fingerprint | co-occurrences |
|---|---|
65535_2-1-3-1-1-4_1392_8 | 2 |
User-Agent
Country
| fingerprint | co-occurrences |
|---|---|
BR · Brazil | 1 |
SA · Saudi Arabia | 1 |
Network (ASN)
| fingerprint | co-occurrences |
|---|---|
AS25019 · Saudi Telecom Company JSC | 1 |
AS268573 · GNET TELECOM SERVIÇOS COMUNICAÇÃO LTDA | 1 |