online CIDR and IP subnet calculator : Check host

81.252.249.0-81.252.249.63
81.252.249.0/26

81.252.249.64-81.252.249.95
81.252.249.64/27

81.252.249.96-81.252.249.111
81.252.249.96/28

81.252.190.0-81.252.191.255
81.252.190.0/23

81.252.192.0-81.252.223.255
81.252.192.0/19

81.252.224.0-81.252.239.255
81.252.224.0/20

81.252.240.0-81.252.247.255
81.252.240.0/21

81.252.248.0-81.252.248.255
81.252.248.0/24

IP subnet calculator 81.252.190.0-81.252.249.111