Whois

How to consult:

  • IDs: Type the user's ID. IDs are made of three letter followed or not by some numbers.

  • Organizations: Type the OrgID of the organization. OrgIDs has its formats as country initials-Organization ID-LACNIC.

  • ASN: Type the Autonomous System number: 1251 or AS1251.

  • IP or CIDR block: type an IP number (200.200.200.200) or a CIDR block (200.200/16).