TLS supported groups
11ec,001d,0017,0018,0019
first seen 2026-10-14 06:00 · last seen 2026-10-31 00:43 · JSON
Last 7 days (3795 observations)
Distinct clients per day (last 30 days, peak 1982/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
| Groups in wire order | 11ec (X25519MLKEM768), 001d (x25519), 0017 (secp256r1), 0018 (secp384r1), 0019 (secp521r1) |
|---|---|
| Group count | 5 |
| GREASE count | 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 |
|---|---|
t13d131100_f57a46bbacb6_ab7e3b40a677 Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.26.6, go-net/http 1.26.5, go-net/http 1.26.4.The fingerprint page shows the full measured match list. More on the catalog. | 3024 |
t13d131100_f57a46bbacb6_e5728521abd4 | 1528 |
t13d131000_f57a46bbacb6_e7c285222651 Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.23.12.The fingerprint page shows the full measured match list. More on the catalog. | 104 |
t13d1312h2_f57a46bbacb6_ab7e3b40a677 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, +7 more.The fingerprint page shows the full measured match list. More on the catalog. | 60 |
q13d0315h3_55b375c5d22e_dc5437974b47 Match?Exact match in Thumbprint's published controlled catalog captures: firefox 153.0, firefox 153.0.3, firefox 155.0.1, +25 more.The fingerprint page shows the full measured match list. More on the catalog. | 56 |
t13d1517h2_8daaf6152771_3cbfd9057e0d Match?Exact match in Thumbprint's published controlled catalog captures: firefox 155.0.1, firefox 154.0, firefox 156.0, +7 more.The fingerprint page shows the full measured match list. More on the catalog. | 44 |
t13d1312h2_f57a46bbacb6_f50d94e863eb Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.27.1, go-net/http 1.27.0, go-net/http 1.27.3, +1 more.The fingerprint page shows the full measured match list. More on the catalog. | 18 |
t13d1516h2_8daaf6152771_0c27189014cf Match?Exact match in Thumbprint's published controlled catalog captures: firefox 154.0, firefox 155.0.1, firefox 155.0, +4 more.The fingerprint page shows the full measured match list. More on the catalog. | 16 |
t13d1515h2_8daaf6152771_a54fffd0eb61 | 13 |
q13d0313h3_55b375c5d22e_fc7519ff7bc2 | 10 |
HTTP request (JA4H)
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. | 62 |
1:65536;2:0;4:131072;5:16384|12517377|3:0:0:22|m,p,a,s Match?Exact match in Thumbprint's published controlled catalog captures: firefox 153.0, firefox 153.0.3, firefox 155.0.1, +31 more.The fingerprint page shows the full measured match list. More on the catalog. | 29 |
1:65536;2:0;4:131072;5:16384|12517377|3:0:0:42|m,p,a,s Match?Exact match in Thumbprint's published controlled catalog captures: firefox 154.0, firefox 152.0.5, firefox 152.0.1, +3 more.The fingerprint page shows the full measured match list. More on the catalog. | 18 |
2:0;4:4194304;5:1048576;6:10485760|1073741824|0|a,m,p,s Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.27.1, go-net/http 1.27.0, go-net/http 1.27.3, +1 more.The fingerprint page shows the full measured match list. More on the catalog. | 18 |
2:0;4:4194304;5:16384;6:65856|1073741824|0|a,m,p,s | 6 |
1:4096;2:0;4:32768;5:16384|12517377|3:0:0:42|m,p,a,s | 5 |
1:65536;2:0;4:131072;5:16384|12517377|1:0:0:42|m,p,a,s | 5 |
1:4096;2:0;4:32768;5:16384|12517377|3:0:0:22|m,p,a,s | 4 |
1:65536;2:0;4:131072;5:16384|12517377|5:0:0:22|m,p,a,s Match?Exact match in Thumbprint's published controlled catalog captures: firefox 153.0.3, firefox 154.0, firefox 153.0, +12 more.The fingerprint page shows the full measured match list. More on the catalog. | 4 |
1:65536;2:0;4:131072;5:16384|12517377|7:0:0:22|m,p,a,s Match?Exact match in Thumbprint's published controlled catalog captures: firefox 153.0.3, firefox 155.0, firefox 154.0, +3 more.The fingerprint page shows the full measured match list. More on the catalog. | 4 |
TCP SYN (p0f)
TCP SYN (JA4T)
| fingerprint | co-occurrences |
|---|---|
29200_2-4-8-1-3_1424_7 | 1388 |
65535_2-4-8-1-3_1412_6 | 298 |
64240_2-4-8-1-3_1460_7 | 290 |
65535_2-4-8-1-3_1460_6 | 253 |
65535_2-4-8-1-3_1440_6 | 217 |
64240_2-4-8-1-3_1412_7 | 212 |
65535_2-4-8-1-3_1452_6 | 155 |
64240_2-4-8-1-3_1440_7 | 140 |
25380_2-4-8-1-3_1424_7 | 139 |
65535_2-4-8-1-3_1412_8 | 135 |
QUIC transport params
| fingerprint | co-occurrences |
|---|---|
q13_c3e7031b10dc Match?Exact match in Thumbprint's published controlled catalog captures: firefox 155.0.1, firefox 156.0, firefox 155.0, +5 more.The fingerprint page shows the full measured match list. More on the catalog. | 54 |
q12_022106b74856 Match?Exact match in Thumbprint's published controlled catalog captures: firefox 153.0, firefox 153.0.3, firefox 154.0, +29 more.The fingerprint page shows the full measured match list. More on the catalog. | 12 |
User-Agent
Country
| fingerprint | co-occurrences |
|---|---|
BR · Brazil | 856 |
US · United States | 773 |
AR · Argentina | 275 |
BD · Bangladesh | 215 |
CO · Colombia | 209 |
SG · Singapore | 207 |
PK · Pakistan | 163 |
ZA · South Africa | 161 |
DE · Germany | 156 |
MX · Mexico | 134 |
Network (ASN)
| fingerprint | co-occurrences |
|---|---|
AS132203 · Tencent Building, Kejizhongyi Avenue | 1485 |
AS396982 · Google LLC | 119 |
AS28573 · Claro NXT Telecomunicacoes Ltda | 84 |
AS36903 · Office National des Postes et Telecommunications ONPT (Maroc Telecom) / IAM | 58 |
AS22927 · Telefonica de Argentina | 58 |
AS48090 · TECHOFF SRV LIMITED | 50 |
AS10620 · Telmex Colombia S.A. | 49 |
AS11664 · Techtel LMDS Comunicaciones Interactivas S.A. | 43 |
AS8151 · Uninet S.A. de C.V. | 43 |
AS45090 · Shenzhen Tencent Computer Systems Company Limited | 42 |
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).