Claude IP Allowlisting: Restrict Access to Approved Networks

1 day ago

2 min read

⚡ TL;DR Enterprise admins can restrict Claude to approved IP ranges by sending CIDR ranges to Anthropic. Chats, projects, artifacts and Docs block other IPs; external artifact sharing may bypass it.

Some organizations only allow tools from company networks. Claude IP allowlisting enforces that for Claude.

Admin guide. 🌐

🌐 What Claude IP Allowlisting Does

It restricts Claude access to approved network addresses. It's available only on Enterprise plans.

🛠️ Setup

List all the CIDR ranges you need, then send them to Anthropic or Support.

🚫 What It Blocks

Chats, projects, artifacts and Claude Docs block access from IPs outside the list.

💡 Pro tip Include VPN egress ranges and remote-office networks before enabling, or remote staff will be locked out.

⚠️ Caveat

External artifact sharing may bypass the allowlist, so review sharing settings too.

Claude IP allowlisting adds strong network control. Need a network access review for AI tools? Lord Of The Wix can help. ✨

❓ Claude IP allowlisting FAQ

What is Claude IP allowlisting?

Restricting Claude access to approved network addresses.

Which plan supports it?

Enterprise only.

How do I set it up?

Send your CIDR ranges to Anthropic or Support.

What does it block?

Chats, projects, artifacts and Docs from unlisted IPs.

Is there any bypass?

External artifact sharing may bypass it.

🙏 Credit: This article is based on public information from the Claude Help Center. Claude is a product of Anthropic. Source: support.claude.com.

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