9.5.0

Added new Region class to lookup for ISO 3166-2 subdivision code form country code and region name.

9.4.0

• Fixed typo errors.
• Removed unnecessary functions.
• Reduced file IO read.

9.3.1

• Added functions to compress and expand IPv6 address.
• Fixed typo in example.php.

9.3.0

Added ipv4ToCidr, cidrToIpv4, ipv6ToCidr, cidrToIpv6 functions.

9.2.1

Fixed Teredo IP address parser.

9.2.0

• Added supports for address type and category fields.
• Added exception handling for incorrect BIN database.

9.1.0

Added Country class to query country information.

9.0.1

Fixed filename case-sensitivity issue under Linux environment.

9.0.0

Updated file structures to use the latest standards.

8.3.0

Added common tools for IP calculation.