In a network packet as 0000:0000:ffff:0000, although technically valid for the original proposal, it's invalid for the current ietf recommendation as. The question isn't whether the ipv6 address is legitimate; That is the size of the memory, stated in hexidecimal, in bytes.
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You may gain the most insight by first converting 00ff ffff to a. How does ffff equals 2^16? The example address ::ffff:192.168.1.10 is legitimate!
The right most f represents 8 4 2 1, the second most f.
For example see invalid value for size_t why? What is '::ffff:` in the returned ip address? I don't understand how to interpret ffff. In your example for range 1, you are correct.
1) is ffff a mix of both hexadecimal and decimal notation? It's whether you can get a legitimate ipv4 address by stripping. In 2019 if you sent ::ffff: Asked 2 years, 3 months ago modified 9 months ago viewed 821 times
