Network address
21.0.0.0
Prefix length
13 (255.248.0.0)
Range
21.0.0.0 - 21.7.255.255
Hexadecimal
15000000
Binary
00010101 00000000 00000000 00000000
Binary subnet mask
11111111 11111000 00000000 00000000
Number of hosts
524,288
Parent subnet
21.0.0.0/12🔍
Previous subnet
20.248.0.0/13🔍