User-Agent

Claude-User (claude-code/2.1.266; +https://support.anthropic.com/)

first seen 2026-09-11 10:19 · last seen 2026-09-11 10:19 · JSON

Decomposed attributes

Browser / clientclaude-code 2.1.266
Device classbot
Declared URLhttps://support.anthropic.com/
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
t13d181000_5d04281c6031_78e6aca7449b2

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn050000_2469c960a647_000000000000_0000000000002

TCP SYN (p0f)

fingerprintco-occurrences
4:54+10:0:1460:mss*29,9:mss,sok,ts,nop,ws:df,id+:02

TCP SYN (JA4T)

fingerprintco-occurrences
42340_2-4-8-1-3_1460_92

Country

fingerprintco-occurrences
LV · Latvia2

Network (ASN)

fingerprintco-occurrences
AS42532 · SIA VEESP2