Network address
81.4.0.0
Prefix length
21 (255.255.248.0)
Range
81.4.0.0 - 81.4.7.255
Hexadecimal
51040000
Binary
01010001 00000100 00000000 00000000
Binary subnet mask
11111111 11111111 11111000 00000000
Number of hosts
2,048
Parent subnet
81.4.0.0/20🔍
Previous subnet
81.3.248.0/21🔍