TCP SYN (p0f)
6:52+12:0:1432:65535,6:mss,sok,ts,nop,ws:flow:0
first seen 2026-07-10 21:39 · last seen 2026-10-30 19:29 · JSON
Last 7 days (4 observations)
Distinct clients per day (last 30 days, peak 7/day)
Distinct clients are counted by IP-hash per complete UTC day — unlike observation counts this is insensitive to one chatty client, but NAT merges clients and address rotation splits them.
Decomposed attributes
| IP version | 6 |
|---|---|
| Initial TTL | 52+12 |
| Options length | 0 |
| MSS | 1432 |
| Window size | 65535 |
| Window scale | 6 |
| 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 |
|---|---|
t13d4312h1_c7886603b240_b26ce05bbdd6 | 25 |
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. | 4 |
t13d1717h2_5b57614c22b0_3cbfd9057e0d Match?Exact match in Thumbprint's published controlled catalog captures: firefox 148.0.2, firefox 144.0.2, firefox 142.0.1, +6 more.The fingerprint page shows the full measured match list. More on the catalog. | 1 |
HTTP request (JA4H)
| fingerprint | co-occurrences |
|---|---|
ge11nn050000_b223a0ebb0b5_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: python-requests 2.34.2, python-requests 2.33.1, python-requests 2.32.3.The fingerprint page shows the full measured match list. More on the catalog. | 25 |
ge20nn12enus_60f823d07c94_000000000000_000000000000 | 3 |
ge20nn11enus_3901d4197baf_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: firefox 154.0, firefox 152.0.5, firefox 153.0.1, +3 more.The fingerprint page shows the full measured match list. More on the catalog. | 1 |
ge20nn13enus_0c2c1d640f3e_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: chrome 151.0.7922.137, chrome 151.0.7922.170, chrome 151.0.7922.108, +36 more.The fingerprint page shows the full measured match list. More on the catalog. | 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, +57 more.The fingerprint page shows the full measured match list. More on the catalog. | 4 |
1:65536;2:0;4:131072;5:16384|12517377|1:0:0:256|m,p,a,s | 1 |
TCP SYN (JA4T)
| fingerprint | co-occurrences |
|---|---|
65535_2-4-8-1-3_1432_6 | 30 |
User-Agent
Country
| fingerprint | co-occurrences |
|---|---|
MX · Mexico | 23 |
VN · Vietnam | 2 |
IN · India | 1 |
AR · Argentina | 1 |
CO · Colombia | 1 |
JM · Jamaica | 1 |
HN · Honduras | 1 |
Network (ASN)
| fingerprint | co-occurrences |
|---|---|
AS8151 · Uninet S.A. de C.V. | 23 |
AS18403 · FPT Telecom Company | 1 |
AS33576 · Digicel Jamaica | 1 |
AS131429 · MOBIFONE Corporation | 1 |
AS263725 · MULTICABLE DE HONDURAS | 1 |
AS266860 · CONEXION DIGITAL EXPRESS S.A.S. | 1 |
AS133661 · Netplus Broadband Services Private Limited | 1 |
AS267829 · CABLE VIDEO IMAGEN CANAL 5 S.R.L | 1 |
TLS supported groups
| fingerprint | co-occurrences |
|---|---|
001d,0017,001e,0019,0018,0100,0101,0102,0103,0104 Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.13.0, php-guzzle 8.3.1, curl 7.88.1, +10 more.The fingerprint page shows the full measured match list. More on the catalog. | 25 |
0a0a,001d,0017,0018 | 3 |
0a0a,11ec,001d,0017,0018 Match?Exact match in Thumbprint's published controlled catalog captures: chrome 155.0.8059.40, chrome 156.0.8078.73, chromium 156.0.8078.47, +8 more.The fingerprint page shows the full measured match list. More on the catalog. | 1 |