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BEAD

IP Address Classifier

Paste any IPv4 or IPv6 address and see whether it's public, private, loopback, multicast, reserved, or carrier-grade NAT.

NetworkDiagnostics
IPv4 · private
Private (RFC 1918)
Class-A private block. Not routable on the public internet.
Reference: RFC 1918
</>Use this tool programmaticallycurl · JavaScript · MCP

Same tool, callable from any HTTP client or from Claude (via MCP). Anonymous: 100 req/day per IP. Sign up for 1,000 req/day.

curl
curl https://api.b-e-a-d.com/tools/ip-classifier/run \
  -H "Content-Type: application/json" \
  -d '{
  "input": "your input here"
}'
JavaScript (fetch)
const res = await fetch("https://api.b-e-a-d.com/tools/ip-classifier/run", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
  "input": "your input here"
}),
});
const data = await res.json();
console.log(data.result);
MCP (Claude Desktop / Claude Code)
# In Claude Desktop / Claude Code, add to your MCP config:
{
  "mcpServers": {
    "bead": {
      "command": "npx",
      "args": ["-y", "mcp-remote", "https://mcp.b-e-a-d.com"]
    }
  }
}

# Then ask Claude to call:
mcp__bead__bead_ip_classifier

Full reference: developer docs · OpenAPI spec

What we check

Classifications are taken from the IANA Special-Purpose Address Registry — RFC 6890 for IPv4 and RFC 4291 / 6890 for IPv6.

For subnet maths and host counts, pair this with the CIDR / Subnet Calculator.

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