TCP SYN (p0f)
6:54+10:0:1220:65535,9:mss,sok,ts,nop,ws:flow:0
first seen 2026-07-07 02:10 · last seen 2026-08-15 15:03 · JSON
Decomposed attributes
| IP version | 6 |
|---|---|
| Initial TTL | 54+10 |
| Options length | 0 |
| MSS | 1220 |
| Window size | 65535 |
| 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 |
|---|---|
t13d2013h2_a09f3c656075_7f0f34a4126d Match?Exact match in Thumbprint's published controlled catalog captures: safari 26.5.2, safari 26.4, safari 26.6.2, +2 more.The fingerprint page shows the full measured match list. More on the catalog. | 9 |
HTTP request (JA4H)
| fingerprint | co-occurrences |
|---|---|
ge20nr09enus_538441e4e116_000000000000_000000000000 | 5 |
ge20nn08enus_1945e0741196_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: safari 26.5.2, safari 26.4, safari 26.6.2.The fingerprint page shows the full measured match list. More on the catalog. | 2 |
ge20nn05enus_730e0cd04a06_000000000000_000000000000 | 1 |
ge20nr08enus_1945e0741196_000000000000_000000000000 | 1 |
HTTP/2 frames (Akamai)
| fingerprint | co-occurrences |
|---|---|
2:0;3:100;4:2097152;9:1|10420225|0|m,s,a,p Match?Exact match in Thumbprint's published controlled catalog captures: safari 26.5.2, safari 26.5, safari 26.4, +2 more.The fingerprint page shows the full measured match list. More on the catalog. | 9 |
TCP SYN (JA4T)
| fingerprint | co-occurrences |
|---|---|
65535_2-4-8-1-3_1220_9 | 9 |
User-Agent
Country
| fingerprint | co-occurrences |
|---|---|
US · United States | 9 |
Network (ASN)
| fingerprint | co-occurrences |
|---|---|
AS54113 · Fastly, Inc. | 9 |