#private RFC1918 name IP address range host id size 24-bit block 10.0.0.0 - 10.255.255.255 24 bits 20-bit block 172.16.0.0 - 172.31.255.255 20 bits 16-bit block 192.168.0.0 - 192.168.255.255 16 bits #apipa IP address from 169.254.0.0 to 169.254.255.255 #private multicast addresses 239.255.0.0/16 #rfc3330 192.0.2.0/24 - This block is assigned as "TEST-NET" for use in documentation and example code. It is often used in conjunction with domain names example.com or example.net in vendor and protocol documentation. Addresses within this block should not appear on the public Internet. Comment: Addresses starting with "192.0.2.", "198.51.100.", or "203.0.113." are reserved for use in documentation and sample configurations. They should never be used in a live network configuration. No one has permission to use these addresses on the Internet. Class E IP Address Class Class E IP addresses are not allocated to hosts and are not available for general use. These are reserved for research purposes. Range: 240.0.0.0 to 255.255.255.255 First octet value range from 240 to 255 Number of Networks: N/A Number of Hosts per Network: Research/Reserved/Experimental