online CIDR and IP subnet calculator : Check host

91.215.40.23-91.215.40.23
91.215.40.23/32

91.215.40.24-91.215.40.31
91.215.40.24/29

91.215.40.32-91.215.40.63
91.215.40.32/27

91.215.40.64-91.215.40.127
91.215.40.64/26

91.215.40.128-91.215.40.255
91.215.40.128/25

91.215.41.0-91.215.41.255
91.215.41.0/24

91.215.42.0-91.215.43.255
91.215.42.0/23

IP subnet calculator 91.215.40.23-91.215.43.255