IP Internet Protocol
IPv4 Internet Protocol version 4; 32 Bits
IPv6 Internet Protocol version 6; 128 Bits
Private IP Address Usable only on private networks. Can not be routed through the Internet
Public IP Address Usable on both private and public networks. Can be routed through the Internet, as long as the IP Address is unique
IPv4 Class A Range 1.0.0.0 to 126.0.0.0
IPv4 Class B Range 128.0.0.0 to 191.255.0.0
IPv4 Class C Range 192.0.0.0 to 223.255.255.255
Private Class A Range 10.0.0.0 to 10.255.255.255
Private Class B Range 172.16.0.0 to 172.31.255.255
Private Class C Range 192.168.0.0 to 192.168.255.255
IPv4 Loop-back Address 127.0.0.1
APIPA Range 169.254.0.0-169.254.255.255
NAT Network Address Translation. Translates IP Addresses between different networks. Typically between a public and private network
IPv6 Link-Local IPv6 version of APIPA. Automatically configured, and only usable on local segment. (fe80::/64)
IPv6 Site-Local IPv6 version of Private Addressing. Only usable within a single organization or site. Not usable on Internet. (fc00::/7)
IPv6 Global IPv6 version of public addresses. Must be unique and are usable on the Internet.
Unicast Delivered to one interface or node
Multicast Delivered to a group of interfaces or nodes.
Anycast Delivered to the nearest interface
Broadcast Delivered to any interface or node in the same LAN. IPv4 only.