TCP SYN (p0f)
4:46+18:0:1380:mss*47,9:mss,sok,ts,nop,ws:df,id+:0
first seen 2026-07-04 01:34 · last seen 2026-09-03 12:44 · JSON
Decomposed attributes
| IP version | 4 |
|---|
| Initial TTL | 46+18 |
|---|
| Options length | 0 |
|---|
| MSS | 1380 |
|---|
| Window size | mss*47 |
|---|
| Window scale | 9 |
|---|
| 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 |
|---|
t13d1516h2_8daaf6152771_d8a2da3f94cd Match?Exact match in Thumbprint's published controlled catalog captures: chromium 149.0.7827.102, chrome 149.0.7827.102, chrome 149.0.7827.156, +25 more.The fingerprint page shows the full measured match list. More on the catalog. | 8 |
HTTP request (JA4H)
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, +57 more.The fingerprint page shows the full measured match list. More on the catalog. | 2 |
1:65536;2:0;4:6291456;6:262144|15663105|7:1:0:220|m,a,s,p | 2 |
1:65536;2:0;4:6291456;6:262144|15663105|9:1:0:220|m,a,s,p | 2 |
1:65536;2:0;4:6291456;6:262144|15663105|11:1:0:220|m,a,s,p | 2 |
TCP SYN (JA4T)
User-Agent
Country
| fingerprint | co-occurrences |
|---|
CN · China | 8 |
Network (ASN)
| fingerprint | co-occurrences |
|---|
AS4134 · CHINANET BACKBONE | 4 |
AS137266 · CHINATELECOM Hubei province Wuhan 5G network | 4 |