TCP SYN (p0f)
6:239+16:0:1432:65535,6:mss,nop,ws,nop,nop,ts,sok,eol+1:ecn,flow:0
first seen 2026-07-10 10:54 · last seen 2026-07-27 08:32 · JSON
Decomposed attributes
| IP version | 6 |
|---|---|
| Initial TTL | 239+16 |
| Options length | 0 |
| MSS | 1432 |
| Window size | 65535 |
| Window scale | 6 |
| Options layout | mss,nop,ws,nop,nop,ts,sok,eol+1 |
| Quirks | ecn,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 |
|---|---|
t13d1516h2_8daaf6152771_806a8c22fdea Match?Exact match in Thumbprint's published controlled catalog captures: chrome 150.0.7871.187, chrome 151.0.7922.137, chromium 151.0.7922.34, +24 more.The fingerprint page shows the full measured match list. More on the catalog. | 11 |
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. | 2 |
HTTP request (JA4H)
| fingerprint | co-occurrences |
|---|---|
ge20nr13zhcn_0c2c1d640f3e_000000000000_000000000000 | 6 |
ge20nr12zhcn_54b4638ab28b_000000000000_000000000000 | 4 |
ge20nr12enus_54b4638ab28b_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: chrome 150.0.7871.187, chrome 151.0.7922.137, edge 151.0.4129.93, +36 more.The fingerprint page shows the full measured match list. More on the catalog. | 2 |
ge20nr13zhcn_9519c2577190_000000000000_000000000000 | 1 |
HTTP/2 frames (Akamai)
| fingerprint | co-occurrences |
|---|---|
1:65536;2:0;4:6291456;6:262144|15663105|1:1:0:220|m,a,s,p Match?Exact match in Thumbprint's published controlled catalog captures: chrome 150.0.7871.187, chromium 149.0.7827.102, chrome 149.0.7827.102, +59 more.The fingerprint page shows the full measured match list. More on the catalog. | 4 |
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 |
1:65536;2:0;4:6291456;6:262144|15663105|3:1:0:256|m,a,s,p | 1 |
1:65536;2:0;4:6291456;6:262144|15663105|3:1:0:220|m,a,s,p Match?Exact match in Thumbprint's published controlled catalog captures: chromium 151.0.7922.34, chromium 147.0.7727.15, chromium 145.0.7632.6, +21 more.The fingerprint page shows the full measured match list. More on the catalog. | 1 |
1:65536;2:0;4:6291456;6:262144|15663105|5:1:0:220|m,a,s,p Match?Exact match in Thumbprint's published controlled catalog captures: chromium 133.0.6943.16, chrome 150.0.7871.128, chromium 148.0.7778.96, +2 more.The fingerprint page shows the full measured match list. More on the catalog. | 1 |
1:65536;2:0;4:6291456;6:262144|15663105|7:1:0:256|m,a,s,p | 1 |
1:65536;2:0;4:6291456;6:262144|15663105|11:1:0:256|m,a,s,p | 1 |
1:65536;2:0;4:6291456;6:262144|15663105|13:1:0:256|m,a,s,p | 1 |
1:65536;2:0;4:6291456;6:262144|15663105|15:1:0:256|m,a,s,p | 1 |
1:65536;2:0;4:6291456;6:262144|15663105|17:1:0:256|m,a,s,p | 1 |
TCP SYN (JA4T)
| fingerprint | co-occurrences |
|---|---|
65535_2-1-3-1-1-8-4-0-0_1432_6 | 13 |
User-Agent
Country
| fingerprint | co-occurrences |
|---|---|
CN · China | 11 |
IT · Italy | 2 |
Network (ASN)
| fingerprint | co-occurrences |
|---|---|
AS4134 · CHINANET BACKBONE | 11 |
AS43989 · Ehinet Srl | 2 |
Cross-transport links
TLS ClientHello fingerprints observed from the same client via the beacon's correlation id on the other transport (e.g. this stack over TCP ↔ that stack over QUIC).
| fingerprint | linked observations |
|---|---|
q13d0311h3_55b375c5d22e_653d80c3fe9d | 2 |