online CIDR and IP subnet calculator : Check host

51.255.78.156-51.255.78.159
51.255.78.156/30

51.255.78.160-51.255.78.191
51.255.78.160/27

51.255.78.192-51.255.78.255
51.255.78.192/26

51.255.81.0-51.255.81.7
51.255.81.0/29

51.255.81.8-51.255.81.11
51.255.81.8/30

51.255.81.12-51.255.81.13
51.255.81.12/31

51.255.81.14-51.255.81.14
51.255.81.14/32

51.255.79.0-51.255.79.255
51.255.79.0/24

51.255.80.0-51.255.80.255
51.255.80.0/24

IP subnet calculator 51.255.78.156-51.255.81.14