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Whois

Empowers large language models with network information lookup capabilities through WHOIS and RIPE Database queries.

About

This Model Context Protocol (MCP) server integrates comprehensive network information lookup directly into large language models. By leveraging WHOIS and RIPE Database queries, it allows LLMs to retrieve critical details about domains, IP addresses, and ASNs. It's designed to provide deep insights into network infrastructure, including contact information, AS-SET expansions, and route object validations, with robust support for multiple Regional Internet Registries like RIPE NCC and ARIN, and planned support for APNIC, LACNIC, and AFRINIC.

Key Features

  • Query WHOIS servers for domains, IPs, and ASNs
  • Recursively expand AS-SETs into concrete ASN lists
  • Check IRR route/route6 object existence
  • Fetch abuse, admin, and technical contact information
  • Supports multiple Regional Internet Registries (RIPE NCC, ARIN)
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Use Cases

  • Expand AS-SETs to identify all member ASNs in a peering relationship
  • Query network ownership and organization details for specific IP addresses
  • Validate the existence of IRR route objects for BGP configuration and security