User-Agent

Claude-User (claude-code/2.1.226; +https://support.anthropic.com/)

first seen 2026-08-08 11:06 · last seen 2026-08-09 00:02 · JSON

Decomposed attributes

Browser / clientclaude-code 2.1.226
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
t13d171000_5b57614c22b0_78e6aca7449b4

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn050000_2469c960a647_000000000000_0000000000004

TCP SYN (p0f)

fingerprintco-occurrences
4:119+9:0:1460:mss*44,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:02
4:46+18:0:1379:mss*44,10:mss,sok,ts,nop,ws:df,id+:02

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-1-3-1-1-4_1460_82
64240_2-4-8-1-3_1379_102

Country

fingerprintco-occurrences
US · United States2
CZ · Czechia2

Network (ASN)

fingerprintco-occurrences
AS395839 · HOSTKEY2
AS29208 · Quantcom, a.s.2