Network address
57.81.128.0
Prefix length
21 (255.255.248.0)
Range
57.81.128.0 - 57.81.135.255
Hexadecimal
39518000
Binary
00111001 01010001 10000000 00000000
Binary subnet mask
11111111 11111111 11111000 00000000
Number of hosts
2,048
Parent subnet
57.81.128.0/20🔍
Previous subnet
57.81.120.0/21🔍
Next subnet
57.81.136.0/21🔍