TCP SYN (p0f)
4:238+17:0:8365:26883,7:mss,sok,ts,nop,ws:df,id+:0
first seen 2026-06-26 13:24 · last seen 2026-07-23 14:20 · JSON
Decomposed attributes
| IP version | 4 |
|---|---|
| Initial TTL | 238+17 |
| Options length | 0 |
| MSS | 8365 |
| Window size | 26883 |
| Window scale | 7 |
| Options layout | mss,sok,ts,nop,ws |
| Quirks | df,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)
| fingerprint | co-occurrences |
|---|---|
t13d9912h1_ee3966d44962_c50a3655fff1 | 1800 |
HTTP request (JA4H)
| fingerprint | co-occurrences |
|---|---|
ge20nn030000_6dac75bd47eb_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: python-httpx 0.28.1.The fingerprint page shows the full measured match list. More on the catalog. | 1774 |
ge20nn040000_c3abebcf3d28_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: python-httpx 0.28.1.The fingerprint page shows the full measured match list. More on the catalog. | 26 |
HTTP/2 frames (Akamai)
| fingerprint | co-occurrences |
|---|---|
1:65536;2:0;4:2097152;5:131072;6:524288|5177345|0|m,s,a,p | 1800 |
TCP SYN (JA4T)
| fingerprint | co-occurrences |
|---|---|
26883_2-4-8-1-3_8365_7 | 1773 |
User-Agent
| fingerprint | co-occurrences |
|---|---|
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.4 Safari/605.1.15 (Applebot/0.1; +http://www.apple.com/go/applebot) | 1800 |
Country
| fingerprint | co-occurrences |
|---|---|
US · United States | 1800 |
Network (ASN)
| fingerprint | co-occurrences |
|---|---|
AS714 · Apple Inc. | 1800 |