Users who have a Mojang account (you sign in with your email) can change their username for free at account.mojang.com/me by clicking the (Change) link next to your profile name. If you sign in with your username, you'll need to migrate to a Mojang account.After clicking the change link, you'll be able to see if a username is available to you. If it shows that it is not available, you will not be able to change to that name.sername changes can be fully supported in-game as of Minecraft version 1.7.10 (released June 2014). If you were to play on a very old version of Minecraft, the game would treat your new username as a separate player.
10.0.0.0/8. The 10.0.0.0/8 private network is a class A network ID that allows the following range of valid IP addresses: 10.0.0.1 to 10.255.255.254. The 10.0.0.0/8 private network has 24 host bits that can be used for any subnetting scheme within the private organization. 172.16.0.0/12.
(Automatic Private IP Addressing) The Windows function that provides DHCP autoconfiguration addressing. APIPA assigns a class B IP address from 169.254.0.0 to 169.254.255.255 to the client when a DHCP server is either permanently or temporarily unavailable. Designed for small non-routable networks, if a DHCP server becomes available later, the APIPA address is replaced with one from the DHCP server. For example, when a Windows Vista machine starts up, it waits only six seconds to find a DHCP server before assigning an IP from the APIPA range. It then continues to look for a DHCP server. Previous versions of Windows looked for a DHCP server for up to three minutes. See DHCP autoconfiguration addressing, DHCP and private IP address.