TLS ClientHello (JA4)
t13d1314h2_f57a46bbacb6_fb48f8b98a29
first seen 2026-06-25 16:50 · last seen 2026-10-27 02:24 · JSON
Last 7 days (51 observations)
Distinct clients per day (last 30 days, peak 1/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
| Protocol | t (TLS over TCP) |
|---|---|
| TLS version | 13 |
| SNI | d (domain) |
| Cipher count | 13 |
| Extension count | 14 |
| ALPN | h2 |
| Ciphers | 1301, 1302, 1303, c009, c00a, c013, c014, c02b, c02c, c02f, c030, cca8, cca9 |
| Extensions | 0005, 000a, 000b, 000d, 0012, 0017, 0023, 002b, 002d, 0032, 0033, ff01 |
| Signature algorithms | 0804, 0403, 0807, 0805, 0806, 0401, 0501, 0601, 0503, 0603 |
| JA4_r | t13d1314h2_1301,1302,1303,c009,c00a,c013,c014,c02b,c02c,c02f,c030,cca8,cca9_0005,000a,000b,000d,0012,0017,0023,002b,002d,0032,0033,ff01_0804,0403,0807,0805,0806,0401,0501,0601,0503,0603 |
| JA4_o (sample) | t13d1314h2_45672f90a73c_ffb75254c525 |
| JA4_ro (sample) | t13d1314h2_c02b,c02f,c02c,c030,cca9,cca8,c009,c013,c00a,c014,1301,1302,1303_0000,000b,0023,ff01,0017,0012,0005,000a,000d,0032,0010,002b,0033,002d_0804,0403,0807,0805,0806,0401,0501,0601,0503,0603 |
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.
HTTP request (JA4H)
| fingerprint | co-occurrences |
|---|---|
ge20nn04enus_39a3ba4480e8_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: urlsession 6.1.2.The fingerprint page shows the full measured match list. More on the catalog. | 4 |
ge20nr040000_88d30a62b7ad_000000000000_000000000000 | 3 |
ge20nn04enus_a1e84a948d10_000000000000_000000000000 | 3 |
ge20nn04enus_8325a3ce5a12_000000000000_000000000000 | 3 |
ge20nr030000_ff50983941c1_000000000000_000000000000 | 2 |
he20nr06enus_8955ea8069c0_000000000000_000000000000 | 2 |
he20nr04en00_4fcaafa6af53_000000000000_000000000000 | 2 |
ge20nr06enus_16ed9fb13497_000000000000_000000000000 | 2 |
he20nr06eses_d21523c84070_000000000000_000000000000 | 2 |
he20nr05jajp_79a2d0841912_000000000000_000000000000 | 2 |
HTTP/2 frames (Akamai)
| fingerprint | co-occurrences |
|---|---|
2:0;4:4194304;5:16384;6:10485760|1073741824|0|a,m,p,s Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.26.6, go-net/http 1.26.10, go-net/http 1.26.9, +8 more.The fingerprint page shows the full measured match list. More on the catalog. | 123 |
2:0;4:4194304;5:16384;6:65856|1073741824|0|a,m,p,s | 10 |
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. | 1 |
TCP SYN (p0f)
TCP SYN (JA4T)
| fingerprint | co-occurrences |
|---|---|
62720_2-4-8-1-3_1460_7 | 107 |
64240_2-4-8-1-3_1460_7 | 19 |
42340_2-4-8-1-3_1460_11 | 3 |
65320_2-4-8-1-3_1420_10 | 1 |
42360_2-4-8-1-3_1412_11 | 1 |
User-Agent
Country
| fingerprint | co-occurrences |
|---|---|
FR · France | 107 |
NL · Netherlands | 14 |
TR · Turkey | 9 |
AU · Australia | 1 |
DE · Germany | 1 |
US · United States | 1 |
HK · Hong Kong SAR China | 1 |
Network (ASN)
| fingerprint | co-occurrences |
|---|---|
AS31898 · Oracle Corporation | 107 |
AS49453 · Global Layer B.V. | 10 |
AS219502 · Storm Industries LLC | 9 |
AS396982 · Google LLC | 4 |
AS48090 · TECHOFF SRV LIMITED | 3 |
AS54903 · globalroutesolutions | 1 |
TLS supported groups
| fingerprint | co-occurrences |
|---|---|
11ec,11eb,11ed,001d,0017,0018,0019 Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.27.3, go-net/http 1.26.10.The fingerprint page shows the full measured match list. More on the catalog. | 61 |