online CIDR and IP subnet calculator : Check host

81.196.20.0-81.196.20.127
81.196.20.0/25

81.196.20.128-81.196.20.159
81.196.20.128/27

81.196.20.160-81.196.20.175
81.196.20.160/28

81.196.20.176-81.196.20.183
81.196.20.176/29

81.196.20.184-81.196.20.185
81.196.20.184/31

81.196.20.186-81.196.20.186
81.196.20.186/32

81.196.0.0-81.196.15.255
81.196.0.0/20

81.196.16.0-81.196.19.255
81.196.16.0/22

IP subnet calculator 81.196.0.0-81.196.20.186