User-Agent

curl/8.8.0

first seen 2026-08-09 19:44 · last seen 2026-09-14 02:43 · JSON

Last 7 days (30 observations)

Distinct clients per day (last 30 days, peak 16/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 8.8.0`
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
`t13d2012h1_2b729b4bf6f3_9e7b989ebec8`	54

HTTP request (JA4H)

fingerprint	co-occurrences
`ge11nn030000_fe444ad14866_000000000000_000000000000` Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.16.0.The fingerprint page shows the full measured match list. More on the catalog.	54

TCP SYN (p0f)

fingerprint	co-occurrences
`4:115+13:0:1414:mss*44,8:mss,nop,ws,nop,nop,sok::0`	7
`4:114+14:0:1414:mss*44,8:mss,nop,ws,nop,nop,sok::0`	6
`4:116+12:0:1414:mss*44,8:mss,nop,ws,nop,nop,sok::0`	5
`4:110+18:0:1414:mss*44,8:mss,nop,ws,nop,nop,sok::0`	3
`4:112+16:0:1414:mss*44,8:mss,nop,ws,nop,nop,sok::0`	3
`4:45+19:0:1460:65535,6:mss,sok,ts,nop,ws:df,id+:0`	2
`6:52+12:0:1440:mss*45,7:mss,sok,ts,nop,ws:flow:0`	2
`4:49+15:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:0`	2
`6:48+16:0:1440:mss*45,7:mss,sok,ts,nop,ws:flow:0`	2
`4:52+12:0:1460:65535,6:mss,sok,ts,nop,ws:df,id+:0`	2

TCP SYN (JA4T)

fingerprint	co-occurrences
`64240_2-1-3-1-1-4_1414_8`	30
`65535_2-4-8-1-3_1460_6`	8
`64800_2-4-8-1-3_1440_7`	8
`64240_2-4-8-1-3_1460_7`	5
`65535_2-4-8-1-3_1432_6`	1
`64240_2-4-8-1-3_1318_7`	1
`64240_2-4-8-1-3_1452_7`	1

Country

fingerprint	co-occurrences
`JP` · Japan	34
`US` · United States	20

Network (ASN)

fingerprint	co-occurrences
`AS2514` · NTT PC Communications, Inc.	11
`AS7922` · Comcast Cable Communications, LLC	8
`AS4713` · NTT DOCOMO BUSINESS,Inc.	6
`AS10010` · TOKAI Communications Corporation	4
`AS10013` · FreeBit Co.,Ltd.	4
`AS4685` · Asahi Net	3
`AS7018` · AT&T Enterprises, LLC	2
`AS10796` · Charter Communications Inc	2
`AS9595` · NTT-ME Corporation	2
`AS20115` · Charter Communications LLC	2