Network address
81.181.20.0
Prefix length
22 (255.255.252.0)
Range
81.181.20.0 - 81.181.23.255
Hexadecimal
51b51400
Binary
01010001 10110101 00010100 00000000
Binary subnet mask
11111111 11111111 11111100 00000000
Number of hosts
1,024
Parent subnet
81.181.16.0/21🔍
Previous subnet
81.181.16.0/22🔍
Next subnet
81.181.24.0/22🔍