online CIDR and IP subnet calculator : Check host

156.254.129.0-156.254.129.255
156.254.129.0/24

156.254.130.0-156.254.131.255
156.254.130.0/23

156.254.132.0-156.254.135.255
156.254.132.0/22

156.254.136.0-156.254.143.255
156.254.136.0/21

156.254.144.0-156.254.159.255
156.254.144.0/20

156.254.160.0-156.254.163.255
156.254.160.0/22

156.254.164.0-156.254.165.255
156.254.164.0/23

156.254.166.0-156.254.166.255
156.254.166.0/24

IP subnet calculator 156.254.129.0-156.254.166.255