Network address
81.172.40.0
Prefix length
21 (255.255.248.0)
Range
81.172.40.0 - 81.172.47.255
Hexadecimal
51ac2800
Binary
01010001 10101100 00101000 00000000
Binary subnet mask
11111111 11111111 11111000 00000000
Number of hosts
2,048
Parent subnet
81.172.32.0/20🔍
Previous subnet
81.172.32.0/21🔍
Next subnet
81.172.48.0/21🔍