Prefix WhoIs for Claude Code

org.pwhois/pwhois

Live BGP routing table and registry lookups: IP origin, ASN prefixes, transit, org search.

client:Claude Code transport:streamable-http

Install Prefix WhoIs in Claude Code

run in your project directory

claude mcp add --transport http pwhois https://pwhois.org/mcp/

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs