User-Agent

Claude-User (claude-code/2.1.237; +https://support.anthropic.com/)

first seen 2026-08-21 10:39 · last seen 2026-08-25 12:41 · JSON

Decomposed attributes

Browser / clientclaude-code 2.1.237
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_78e6aca7449b5

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn050000_2469c960a647_000000000000_0000000000005

TCP SYN (p0f)

fingerprintco-occurrences
4:114+14:0:1460:65535,8:mss,nop,ws,nop,nop,sok:df,id+:02
4:115+13:0:1460:65535,8:mss,nop,ws,nop,nop,sok:df,id+:02
4:53+11:0:1452:mss*44,8:mss,nop,ws,nop,nop,sok:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-1-3-1-1-4_1460_84
64240_2-1-3-1-1-4_1452_81

Country

fingerprintco-occurrences
KZ · Kazakhstan4
TH · Thailand1

Network (ASN)

fingerprintco-occurrences
AS9198 · JSC Kazakhtelecom4
AS23969 · TOT Public Company Limited1