::ffff:127.0.0.1 as IPv4 address:
IPv6 addresses can be converted from either the 6to4 notation or IPv4-mapped notation into IPv4 addresses.
By using the IPv6 to IPv4 converter tool on this page, you can instantly convert any valid IPv6 address into an IPv4 address. All you need to do is enter the IPv6 address and press the convert button.
IPv6 addresses represented in either 6to4 notation or IPv4-mapped notation will be converted back to their original IPv4 format.
If you like to perform the inverse conversion, you can do so by using the IPv4 to IPv6 conversion tool.
Not all IPv6 address can be converted to IPv4. You can only convert valid IPv4 represented IPv6 addresses. These addresses can be in either 6to4 notation or IPv4-mapped notation.