User-Agent
curl/8.7.1
first seen 2026-06-15 10:59 · last seen 2026-10-30 06:50 · JSON
Last 7 days (15 observations)
Distinct clients per day (last 30 days, peak 6/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
| Browser / client | curl 8.7.1 |
|---|---|
| Note | inferred from the self-declared string — a claim, not a measurement; compare with the wire fingerprints above |
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 |
|---|---|
t13d4907h2_0d8feac7bc37_7395dae3b2f3 Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.7.1.The fingerprint page shows the full measured match list. More on the catalog. | 280 |
t13d1011h2_18ef40b21276_879711aa9f16 | 53 |
t13d2012h1_2b729b4bf6f3_9e7b989ebec8 | 7 |
t13d1714h1_5b57614c22b0_43ade6aba3df | 6 |
t13d3208h2_a3c911483b05_0deb43056c76 | 5 |
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. | 4 |
t13d4907h1_0d8feac7bc37_7395dae3b2f3 | 4 |
t13d1511h2_8daaf6152771_78e6aca7449b | 3 |
t13d691200_8b2139ff7677_0ceea7c49f79 | 2 |
t13d6913h2_8b2139ff7677_0ceea7c49f79 | 2 |
HTTP request (JA4H)
HTTP/2 frames (Akamai)
| fingerprint | co-occurrences |
|---|---|
3:100;4:10485760;2:0|1048510465|0|m,s,a,p Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.7.1, curl 8.5.0.The fingerprint page shows the full measured match list. More on the catalog. | 283 |
0|00|0|m,s,a,p | 53 |
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 152.0.7977.83, +81 more.The fingerprint page shows the full measured match list. More on the catalog. | 4 |
2:0;4:2097152;5:16384;6:16777216|5177345|0|m,s,a,p | 3 |
3:100;4:10485760;2:0|1048510465|1:1:0:256|m,s,a,p | 3 |
3:100;4:65536;2:0|1048510465|0|m,s,a,p Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.13.0, curl 8.18.0, curl 8.21.0, +8 more.The fingerprint page shows the full measured match list. More on the catalog. | 2 |
2:0;6:262144;4:2097152;3:100|2031617|0|m,s,a,p | 2 |
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. | 1 |
1:4096;2:0;4:2147483647;5:131072;8:0;3:100;6:65536|2147418112|0|m,s,p,a | 1 |
1:4096;2:0;3:100;4:10485760;5:16384;6:65535|2147418112|0|m,s,a,p | 1 |
TCP SYN (p0f)
TCP SYN (JA4T)
Country
| fingerprint | co-occurrences |
|---|---|
MA · Morocco | 124 |
US · United States | 74 |
FR · France | 54 |
CN · China | 14 |
SG · Singapore | 12 |
DE · Germany | 9 |
JP · Japan | 9 |
IL · Israel | 9 |
KR · South Korea | 7 |
BR · Brazil | 6 |
Network (ASN)
| fingerprint | co-occurrences |
|---|---|
AS36903 · Office National des Postes et Telecommunications ONPT (Maroc Telecom) / IAM | 124 |
AS211590 · Bucklog SARL | 53 |
AS13335 · Cloudflare, Inc. | 14 |
AS138997 · Eons Data Communications Limited | 12 |
AS4134 · CHINANET BACKBONE | 10 |
AS208905 · Exelera Telecom Ltd | 9 |
AS16591 · Google Fiber Inc. | 6 |
AS28573 · Claro NXT Telecomunicacoes Ltda | 6 |
AS2516 · KDDI CORPORATION | 6 |
AS24309 · Atria Convergence Technologies Pvt. Ltd. Broadband Internet Service Provider INDIA | 5 |
TLS supported groups
| fingerprint | co-occurrences |
|---|---|
001d,0017,0018,0019 Match?Exact match in Thumbprint's published controlled catalog captures: go-net/http 1.21.13.The fingerprint page shows the full measured match list. More on the catalog. | 31 |
001d,0017,0018 Match?Exact match in Thumbprint's published controlled catalog captures: rust-reqwest 0.12.28, rust-reqwest 0.11.27, powershell 7.6.8, +1 more.The fingerprint page shows the full measured match list. More on the catalog. | 2 |
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. | 2 |
0017,0018,0019,001d | 1 |