IPv6 Utils

Convert IPv6 addresses to different formats and check if an address falls within a CIDR range.

IPv6 Address

IPv6 CIDR Reference
PrefixAddressesCommon Use
/1281Single host address
/1272Point-to-point links (RFC 6164)
/642^64Standard subnet size
/56256 /64sTypical home/small office allocation
/4865,536 /64sEnterprise/site allocation
/322^96ISP allocation from RIR