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Get prefix-to-ASN mapping
An MCP tool from the Cloudflare API server, hosted on mcp.hjlabs.in.
Get prefix-to-ASN mapping Retrieves the prefix-to-ASN mapping from global routing tables. [GET /radar/bgp/routes/pfx2as]
Name on the gateway: cloudflare_api__radar_get_bgp_pfx2as · read-only.
Parameters
| Name | Type | Description |
|---|---|---|
prefix | string | prefix parameter |
origin | integer | Lookup prefixes originated by the given ASN. |
rpkiStatus | VALID | INVALID | UNKNOWN | Return only results with matching rpki status… |
longestPrefixMatch | boolean | Return only results with the longest prefix… |
format | JSON | CSV | Format in which results will be returned. |
How to call it
Through the Smart Gateway, any client can run it by name with call_tool, or let the gateway find it with search_tools:
{
"name": "cloudflare_api__radar_get_bgp_pfx2as",
"arguments": {}
}Or connect the Cloudflare API server directly, which lists 3,127 tools including this one:
claude mcp add --transport http hj-cloudflare-api https://mcp.hjlabs.in/mcp/cloudflare-api \
--header "Authorization: Bearer YOUR_API_KEY"Try asking
Use the get prefix-to-asn mapping tool with prefix set to ….