Subnet details 21.0.0.0/12

Network address 21.0.0.0
Prefix length 12 (255.240.0.0)
Range 21.0.0.0 - 21.15.255.255
Hexadecimal 15000000
Binary 00010101 00000000 00000000 00000000
Binary subnet mask 11111111 11110000 00000000 00000000
Number of hosts 1,048,576
Parent subnet 21.0.0.0/11🔍
Previous subnet 20.240.0.0/12🔍
Next subnet 21.16.0.0/12🔍