TLS ClientHello (JA4)
t13d1312h1_f57a46bbacb6_ab7e3b40a677
first seen 2026-06-12 09:40 · last seen 2026-10-26 13:10 · JSON
Last 7 days (3 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 | 12 |
| ALPN | h1 |
| Ciphers | 1301, 1302, 1303, c009, c00a, c013, c014, c02b, c02c, c02f, c030, cca8, cca9 |
| Extensions | 0005, 000a, 000b, 000d, 0012, 0017, 002b, 0032, 0033, ff01 |
| Signature algorithms | 0804, 0403, 0807, 0805, 0806, 0401, 0501, 0601, 0503, 0603 |
| JA4_r | t13d1312h1_1301,1302,1303,c009,c00a,c013,c014,c02b,c02c,c02f,c030,cca8,cca9_0005,000a,000b,000d,0012,0017,002b,0032,0033,ff01_0804,0403,0807,0805,0806,0401,0501,0601,0503,0603 |
| JA4_o (sample) | t13d1312h1_45672f90a73c_1b1d6b47de61 |
| JA4_ro (sample) | t13d1312h1_c02b,c02f,c02c,c030,cca9,cca8,c009,c013,c00a,c014,1301,1302,1303_0000,000b,ff01,0017,0012,0005,000a,000d,0032,0010,002b,0033_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 |
|---|---|
ge11nr05enus_900748f1e0f3_000000000000_000000000000 | 47 |
ge11nr040000_e1d2031bdfea_000000000000_000000000000 | 42 |
ge11nn040000_88d30a62b7ad_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: wget 1.25.0.The fingerprint page shows the full measured match list. More on the catalog. | 27 |
ge11nn040000_e1d2031bdfea_000000000000_000000000000 | 24 |
ge11nr030000_cd680697de12_000000000000_000000000000 | 18 |
ge11nn030000_cd680697de12_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: powershell 7.6.6, powershell 7.6.5, powershell 7.6.4, +11 more.The fingerprint page shows the full measured match list. More on the catalog. | 12 |
ge11nr060000_48452b10c019_000000000000_000000000000 | 11 |
ge11nr070000_63605f79051a_000000000000_000000000000 | 11 |
po11nn050000_7725b19dc6b0_000000000000_000000000000 | 11 |
po11nr050000_7725b19dc6b0_000000000000_000000000000 | 11 |
TCP SYN (p0f)
TCP SYN (JA4T)
| fingerprint | co-occurrences |
|---|---|
42340_2-4-8-1-3_1460_11 | 131 |
42340_2-4-8-1-3_1460_9 | 117 |
64800_2-4-8-1-3_1440_7 | 25 |
64240_2-4-8-1-3_1460_7 | 23 |
42340_2-4-8-1-3_1460_12 | 17 |
64240_2-4-8-1-3_1436_7 | 14 |
42340_2-4-8-1-3_1460_13 | 14 |
65535_2-4-8-1-3_1460_12 | 7 |
5808_2-4-8-1-3_1452_4 | 1 |
User-Agent
Country
| fingerprint | co-occurrences |
|---|---|
NL · Netherlands | 200 |
US · United States | 105 |
SE · Sweden | 54 |
DE · Germany | 18 |
GB · United Kingdom | 5 |
VN · Vietnam | 1 |
Network (ASN)
| fingerprint | co-occurrences |
|---|---|
AS48090 · TECHOFF SRV LIMITED | 173 |
AS203861 · Miteflux Technologies Ltd | 54 |
AS9009 · M247 Europe SRL | 35 |
AS150303 · SoloRDP | 24 |
AS142430 · DIGI VPS | 21 |
AS211693 · NolimitCloud s.r.o | 18 |
AS26277 · ServerPoint.com | 14 |
AS203363 · Kuroit Limited | 13 |
AS41608 · NextGenWebs, S.L. | 12 |
AS7203 · Leaseweb USA, Inc. | 11 |
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. | 3 |