User-Agent

curl/8.17.0

first seen 2026-07-01 22:55 · last seen 2026-09-27 13:55 · JSON

Decomposed attributes

Browser / clientcurl 8.17.0
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
t13d3013h2_1d37bd780c83_8537cf56674e2
t13d1312h1_d27ee6a641af_2bbb6f9073972
t13d2013h1_2b729b4bf6f3_e24568c0d4401
q13d0312h3_55b375c5d22e_c0efc70deb601

HTTP request (JA4H)

fingerprintco-occurrences
ge20nn020000_5594a17e7e7e_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.7.1, curl 8.5.0, curl 8.13.0, +11 more.The fingerprint page shows the full measured match list. More on the catalog.2
ge11nn070000_8dd268710415_000000000000_0000000000002
ge30nn020000_5594a17e7e7e_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.18.0.The fingerprint page shows the full measured match list. More on the catalog.1
ge11nn030000_fe444ad14866_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.16.0, curl 7.88.1, curl 8.21.0, +1 more.The fingerprint page shows the full measured match list. More on the catalog.1

HTTP/2 frames (Akamai)

fingerprintco-occurrences
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

TCP SYN (p0f)

fingerprintco-occurrences
4:48+16:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:116+12:0:1460:62727,7:mss,sok,ts,nop,ws:df,id+:01
6:41+23:0:1300:65535,8:mss,nop,ws,nop,nop,sok:flow:01
4:112+16:0:1460:62727,7:mss,sok,ts,nop,ws:df,id+:01
6:35+29:0:1400:65535,9:mss,sok,ts,nop,ws:flow:01

TCP SYN (JA4T)

fingerprintco-occurrences
62727_2-4-8-1-3_1460_72
64240_2-4-8-1-3_1460_71
65535_2-4-8-1-3_1400_91
65535_2-1-3-1-1-4_1300_81

QUIC transport params

fingerprintco-occurrences
q08_bae576bf37b0 Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.18.0.The fingerprint page shows the full measured match list. More on the catalog.1

Country

fingerprintco-occurrences
US · United States2
IR · Iran1
IN · India1
TR · Turkey1
AT · Austria1

Network (ASN)

fingerprintco-occurrences
AS14618 · Amazon.com, Inc.2
AS9009 · M247 Europe SRL1
AS55836 · Reliance Jio Infocomm Limited1
AS44620 · Netlen Internet Hizmetleri Ltd. Sti.1
AS197207 · Mobile Communication Company of Iran PLC1