# Claude ( Anthropic )

**Claude (Anthropic)**: Use Anthropic’s **outbound IPs** for agent/tool egress (convert to /32). There’s **no official CIDR list** for the **ClaudeBot** crawler; if you need to tag it, you’ll have to rely on UA or third-party lists (less reliable).

<https://docs.anthropic.com/en/api/ip-addresses>