Source: https://docs.claude.com/en/api/ip-addresses

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IP addresses

Home Developer Guide API Reference Model Context Protocol (MCP) Resources Release Notes

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• Inbound IP addresses

• IPv4

• IPv6

• Outbound IP addresses

• IPv4

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Inbound IP addresses

These are the IP addresses where Anthropic services receive incoming connections.

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IPv4

160.79.104.0/23

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IPv6

2607:6bc0::/48

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Outbound IP addresses

These are the stable IP addresses that Anthropic uses for outbound requests (for example, when making MCP tool calls to external servers).

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IPv4

Copy

34.162.46.92
34.162.102.82
34.162.136.91
34.162.142.92
34.162.183.95

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