There are rules and requirements for obtaining an SSL certificate issued for a public IP address.
Among these requirements:
- SSL certificate can be issued for a public IP address if your organization has that particular IP address. In other words, the IP address should be assigned exclusively to your organization (not the web hosting company or Internet Service Provider).
- The CA (Certification Authority) must be able to verify your IP property under an IP WHOIS Lookup. Your organization's name, physical address, phone number, and e-mail should be listed in the IP WHOIS Lookup.
- The SSL certificate must be of type (OV) to secure an IP address.
- SSL certificate cannot be issued for reserved IP addresses / private IP addresses (IPv4, IPv6), Intranet for an internal server name, local server name with a name suffix of the non-public domain.
Only the Organization Validation (OV) SSL certificate type can be issued for an IP address. Domain Validated (DV) and Extended Validation (EV) SSL certificates are not concerned.