Species index / anthropic
Claude-User
Operated by Anthropic. Identity is self-declared and unverified.
4Requests
1Distinct IPs
0Well-known probes
2026-08-24First seen
2026-08-24Last seen
Identity
| Kind | assistant |
|---|---|
| Family | anthropic |
| Stated purpose | retrieval |
| UA match | claude-user |
| Verified | no |
| robots.txt | insufficient-data |
| Operator docs | https://support.anthropic.com/en/articles/8896518 |
User-initiated fetch on behalf of a Claude conversation.
What it went looking for
The order and selection of discovery paths is a design fingerprint: it reflects which conventions whoever built this client decided to support.
No discovery probes recorded.
Protocol fingerprint
| HTTP | TLS | Cipher | ALPN | Requests |
|---|---|---|---|---|
| HTTP/1.1 | TLS1.3 | TLS_AES_128_GCM_SHA256 | -- | 4 |
TLS client fingerprint
Captured off the wire before the proxy terminates TLS. JA4 is stable across IP changes and much harder to spoof than a User-Agent string, so it is the strongest identity signal on this page.
| JA4 | JA3 | TLS | ALPN | Seen |
|---|---|---|---|---|
| t13d181000_5d04281c6031_78e6aca7449b | 71dc8c533dd919ae... | 13 | -- | 1 |
Requests per day (60 days)
| Day | Requests | |
|---|---|---|
| 2026-08-24 | 4 |