User-Agent

curl/8.3.0

first seen 2026-07-26 22:44 · last seen 2026-08-31 07:02 · JSON

Decomposed attributes

Browser / clientcurl 8.3.0
Noteinferred 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)

fingerprintco-occurrences
t12d8007h2_9cedc1f1428b_8587f467d9ea6

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn030000_ff50983941c1_000000000000_0000000000006

HTTP/2 frames (Akamai)

fingerprintco-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.6

TCP SYN (p0f)

fingerprintco-occurrences
4:247+8:0:1460:62727,7:mss,sok,ts,nop,ws:df,id+:06

TCP SYN (JA4T)

fingerprintco-occurrences
62727_2-4-8-1-3_1460_76

Country

fingerprintco-occurrences
US · United States6

Network (ASN)

fingerprintco-occurrences
AS16509 · Amazon.com, Inc.6