IPv4 : Subnet masks and IP Addresses

MASKIP ADDRESSHOSTSNETMASK
/1231231-2 = 2 147 483 646128.0.0.0
/2230230-2 = 1 073 741 822192.0.0.0
/3229229-2 = 536 870 910224.0.0.0
/4228228-2 = 268 435 454240.0.0.0
/5227227-2 = 134 217 726248.0.0.0
/6226226-2 = 67 108 862252.0.0.0
/7225225-2 = 33 554 430254.0.0.0
/8224224-2 = 16 777 214255.0.0.0
/9223223-2 = 8 388 606255.128.0.0
/10222222-2 = 4 194 302255.192.0.0
/11221221-2 = 2 097 150255.224.0.0
/12220220-2 = 1 048 574255.240.0.0
/13219219-2 = 524 286255.248.0.0
/14218218-2 = 262 142255.252.0.0
/15217217-2 = 131 070255.254.0.0
/16216216-2 = 65 534255.255.0.0
/17215215-2 = 32 766255.255.128.0
/18214214-2 = 16 382255.255.192.0
/19213213-2 = 8 190255.255.224.0
/20212212-2 = 4 094255.255.240.0
/21211211-2 = 2 046255.255.248.0
/22210210-2 = 1 022255.255.252.0
/232929-2 = 510255.255.254.0
/242828-2 = 254255.255.255.0
/252727-2 = 126255.255.255.128
/262626-2 = 62255.255.255.192
/272525-2 = 30255.255.255.224
/282424-2 = 14255.255.255.240
/292323-2 = 6255.255.255.248
/302222-2 = 2255.255.255.252
/312121-0 =2255.255.255.254
/322020-0 =1255.255.255.255