online CIDR and IP subnet calculator : Check host

133.167.40.0-133.167.47.255
133.167.40.0/21

133.167.48.0-133.167.63.255
133.167.48.0/20

133.167.64.0-133.167.127.255
133.167.64.0/18

133.167.128.0-133.167.255.255
133.167.128.0/17

133.168.0.0-133.171.255.255
133.168.0.0/14

133.172.0.0-133.173.255.255
133.172.0.0/15

133.174.0.0-133.174.255.255
133.174.0.0/16

IP subnet calculator 133.167.40.0-133.174.255.255