IP subnet calculator

213.239.203.239-213.239.222.63

213.239.203.239-213.239.203.239
213.239.203.239/32

213.239.203.240-213.239.203.255
213.239.203.240/28

213.239.222.0-213.239.222.63
213.239.222.0/26

213.239.204.0-213.239.207.255
213.239.204.0/22

213.239.208.0-213.239.215.255
213.239.208.0/21

213.239.216.0-213.239.219.255
213.239.216.0/22

213.239.220.0-213.239.221.255
213.239.220.0/23