Formed by IPng group in 1995 to rectify issues from [[../IPv4 Address|IPv4]] and accepted as the "internet standard" in 2017. IPv6 cannot communicate with [[../IPv4 Address|IPv4]] devices, needing for dual stack networks. The Address spaces for IPv6 is 128 bits, 8 groups of numbers, 16 bits per group. Two parts: - Network component (first 64 bits) - Node component (last 64 bits) >[!example] > `2001:DB8:1234:A1EA:A004:4001:53C8` IPv6 has *no* [[Subnet Mask|Subnet masks]]. Types of addresses: - Prefix identifies the type - Some are unicast (1-1) - Other are reserved for multicast or broadcast