Private Network Addresses

24-bit block 10.0.0.0 – 10.255.255.255 - 10.0.0.0/8 (255.0.0.0) - (16,777,216 IP addresses)

20-bit block 172.16.0.0 – 172.31.255.255 -172.16.0.0/12 (255.240.0.0) - (1,048,576 IP addresses)

16-bit block 192.168.0.0 – 192.168.255.255 -192.168.0.0/16 (255.255.0.0) - (65,536 IP addresses)