Information that can be gleaned from Whois

Information that can be gleaned from Whois
There is a variety of information that is returned from the resources
listed above. Some is unique to the particular resource whilst other
information will be confirmed by almost all the databases. The
information most commonly retrieved includes the following:
• Names of selected company staff and key personnel (e.g. Network
engineers, systems administrators).
• Personal information about the staff and key personnel listed above
(e.g. Contact information).
• Geographic location of the company.
• Name Servers for the company.
• IP addresses for the Name Servers
• Reserved IP addresses or IP blocks for the company.
• The ISP that the company is using.
• The date when the company website was last updated.
• Business partners.