TCP SYN (p0f)
4:43+21:0:1432:65535,2:mss,sok,ts,nop,ws:id-:0
first seen 2026-08-03 18:33 · last seen 2026-08-15 18:25 · JSON
Decomposed attributes
| IP version | 4 |
| Initial TTL | 43+21 |
| Options length | 0 |
| MSS | 1432 |
| Window size | 65535 |
| Window scale | 2 |
| Options layout | mss,sok,ts,nop,ws |
| Quirks | 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)
HTTP request (JA4H)
HTTP/2 frames (Akamai)
| fingerprint | co-occurrences |
3:100;4:10485760;2:0|1048510465|0|m,s,a,p Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.7.1, curl 8.5.0.The fingerprint page shows the full measured match list. More on the catalog. | 5 |
3:100;4:65536;2:0|1048510465|0|m,s,a,p Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.13.0, curl 8.18.0, curl 8.21.0, +7 more.The fingerprint page shows the full measured match list. More on the catalog. | 2 |
TCP SYN (JA4T)
User-Agent
Country
| fingerprint | co-occurrences |
US · United States | 7 |
Network (ASN)
| fingerprint | co-occurrences |
AS20115 · Charter Communications LLC | 4 |
AS33363 · Charter Communications, Inc | 3 |