hi all how can Converter IPv4 to IPv6 in vb.net 2008
thank you for all

You can't, these are different address spaces that are not compatible. The 4 bytes ipv4 is too small to hold the 16 bytes ipv6 address, and ipv4 is not accurate enough for the larger ipv6 address. If someone asks you what's the time, "year 2008" is the ipv4 scope answer. There exist however so called ipv4 transition prefixes that is used in some cases when connecting these different network protocols, but this is usually only for router tunneling. This Wikipedia reading list may get you more details for your direction:

• IPv6
• 6to4
• IPv4 mapped address
• Teredo tunneling

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