online CIDR and IP subnet calculator : Check host

156.241.3.0-156.241.3.255
156.241.3.0/24

156.241.4.0-156.241.7.255
156.241.4.0/22

156.241.8.0-156.241.15.255
156.241.8.0/21

156.241.16.0-156.241.31.255
156.241.16.0/20

156.241.32.0-156.241.63.255
156.241.32.0/19

156.241.64.0-156.241.127.255
156.241.64.0/18

156.241.128.0-156.241.191.255
156.241.128.0/18

IP subnet calculator 156.241.3.0-156.241.191.255