the following resources contain additional information on ipv4 & ipv6. please use them to get more in-depth knowledge on this topic.
useful links on ipv4 & ipv6
transmission control protocol - a complete specification of tcp protocol. (rfc 793)
ip/ipv4 protocol - a complete specification of th einternet protocol version 4 (rfc 791)
ip/ipv6 protocol - a complete specification of th e internet protocol version 6 (rfc 791)
iana ipv4 address space registry - the allocation of internet protocol version 4 (ipv4) address space to various registries is listed here.
ipv6 on wikipedia - the wikipedia page on ipv6.
ip-lookup - this helps you to find information about your current ip address or any other ip address. it supports both ipv4 and ipv6 addresses.
ip version 6 working group - ip version 6 working group (ipv6).
useful books on ipv4 & ipv6
to enlist your site on this page, please drop an email to contact@tutorialspoint.com