TCP SYN (p0f)
6:50+14:0:1440:mss*30,9:mss,sok,ts,nop,ws:flow:0
first seen 2026-07-23 03:17 · last seen 2026-10-26 14:01 · JSON
Last 7 days (5 observations)
Distinct clients per day (last 30 days, peak 5/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 | 50+14 |
| Options length | 0 |
| MSS | 1440 |
| Window size | mss*30 |
| Window scale | 9 |
| Options layout | mss,sok,ts,nop,ws |
| 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 |
|---|---|
t13d131200_f57a46bbacb6_9249cab70c77 | 8 |
t13d3515h1_8f004308c246_5c2c66f702b0 | 5 |
HTTP request (JA4H)
| fingerprint | co-occurrences |
|---|---|
ge11nr040000_e1d2031bdfea_000000000000_000000000000 | 5 |
ge11nn050000_a1c329e38462_000000000000_000000000000 | 4 |
ge11nr05enus_f3bb7aa45ec4_000000000000_000000000000 | 3 |
ge11nn050000_3658ef221638_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: wget 1.21.4, wget 1.25.0, wget 1.21.3.The fingerprint page shows the full measured match list. More on the catalog. | 1 |
TCP SYN (JA4T)
| fingerprint | co-occurrences |
|---|---|
43200_2-4-8-1-3_1440_9 | 13 |
User-Agent
Country
| fingerprint | co-occurrences |
|---|---|
DE · Germany | 8 |
US · United States | 5 |
Network (ASN)
| fingerprint | co-occurrences |
|---|---|
AS22295 · Advin Services LLC | 8 |
AS25369 · Hydra Communications Ltd | 5 |
TLS supported groups
| fingerprint | co-occurrences |
|---|---|
001d,0017,0018,0019,0100,0101 | 5 |