online CIDR and IP subnet calculator : Check host

51.158.200.0-51.158.200.63
51.158.200.0/26

51.158.200.64-51.158.200.79
51.158.200.64/28

51.158.200.80-51.158.200.87
51.158.200.80/29

51.158.200.88-51.158.200.89
51.158.200.88/31

51.158.200.90-51.158.200.90
51.158.200.90/32

51.158.128.0-51.158.191.255
51.158.128.0/18

51.158.192.0-51.158.199.255
51.158.192.0/21

IP subnet calculator 51.158.128.0-51.158.200.90