online CIDR and IP subnet calculator : Check host

143.164.2.0-143.164.3.255
143.164.2.0/23

143.164.4.0-143.164.7.255
143.164.4.0/22

143.164.8.0-143.164.15.255
143.164.8.0/21

143.164.16.0-143.164.31.255
143.164.16.0/20

143.164.32.0-143.164.63.255
143.164.32.0/19

143.164.64.0-143.164.127.255
143.164.64.0/18

143.164.128.0-143.164.159.255
143.164.128.0/19

143.164.160.0-143.164.167.255
143.164.160.0/21

IP subnet calculator 143.164.2.0-143.164.167.255