Network address
66.81.0.0
Prefix length
21 (255.255.248.0)
Range
66.81.0.0 - 66.81.7.255
Hexadecimal
42510000
Binary
01000010 01010001 00000000 00000000
Binary subnet mask
11111111 11111111 11111000 00000000
Number of hosts
2,048
Parent subnet
66.81.0.0/20🔍
Previous subnet
66.80.248.0/21🔍
Next subnet
66.81.8.0/21🔍