TCP SYN (p0f)
4:47+17:0:1280:65535,6:mss,nop,ws,nop,nop,ts,sok,eol+1:df,ecn:0
first seen 2026-08-12 16:41 · last seen 2026-08-12 16:41 · JSON
Decomposed attributes
| IP version | 4 |
|---|---|
| Initial TTL | 47+17 |
| Options length | 0 |
| MSS | 1280 |
| Window size | 65535 |
| Window scale | 6 |
| Options layout | mss,nop,ws,nop,nop,ts,sok,eol+1 |
| Quirks | df,ecn |
| 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 |
|---|---|
t13d1516h2_8daaf6152771_02713d6af862 Match?Exact match in Thumbprint's published controlled catalog captures: chromium 131.0.6778.33, chromium 134.0.6998.35, chromium 133.0.6943.16.The fingerprint page shows the full measured match list. More on the catalog. | 1 |
t13d5212h1_b262b3658495_8e6e362c5eac Match?Exact match in Thumbprint's published controlled catalog captures: node-fetch 24.19.0, node-fetch 22.23.1, node-fetch 24.21.0, +6 more.The fingerprint page shows the full measured match list. More on the catalog. | 1 |
HTTP request (JA4H)
| fingerprint | co-occurrences |
|---|---|
ge20nn13enau_0c2c1d640f3e_000000000000_000000000000 | 1 |
ge11nn07*000_3022bbb03f71_000000000000_000000000000 | 1 |
HTTP/2 frames (Akamai)
| fingerprint | co-occurrences |
|---|---|
1:65536;2:0;4:6291456;6:262144|15663105|1:1:0:256|m,a,s,p Match?Exact match in Thumbprint's published controlled catalog captures: chromium 131.0.6778.33, chromium 151.0.7922.34, chrome 151.0.7922.137, +43 more.The fingerprint page shows the full measured match list. More on the catalog. | 1 |
TCP SYN (JA4T)
| fingerprint | co-occurrences |
|---|---|
65535_2-1-3-1-1-8-4-0-0_1280_6 | 2 |
User-Agent
Country
| fingerprint | co-occurrences |
|---|---|
AU · Australia | 2 |
Network (ASN)
| fingerprint | co-occurrences |
|---|---|
AS7545 · TPG Telecom Limited | 2 |