pg-macbook-pro:~ patrickgrimm$ ipcalc 104.86.1.1/28
Address:   104.86.1.1           01101000.01010110.00000001.0000 0001
Netmask:   255.255.255.240 = 28 11111111.11111111.11111111.1111 0000
Wildcard:  0.0.0.15             00000000.00000000.00000000.0000 1111
=>
Network:   104.86.1.0/28        01101000.01010110.00000001.0000 0000
HostMin:   104.86.1.1           01101000.01010110.00000001.0000 0001
HostMax:   104.86.1.14          01101000.01010110.00000001.0000 1110
Broadcast: 104.86.1.15          01101000.01010110.00000001.0000 1111
Hosts/Net: 14                    Class A

pg-macbook-pro:~ patrickgrimm$ ipcalc 104.86.1.16/28
Address:   104.86.1.16          01101000.01010110.00000001.0001 0000
Netmask:   255.255.255.240 = 28 11111111.11111111.11111111.1111 0000
Wildcard:  0.0.0.15             00000000.00000000.00000000.0000 1111
=>
Network:   104.86.1.16/28       01101000.01010110.00000001.0001 0000
HostMin:   104.86.1.17          01101000.01010110.00000001.0001 0001
HostMax:   104.86.1.30          01101000.01010110.00000001.0001 1110
Broadcast: 104.86.1.31          01101000.01010110.00000001.0001 1111
Hosts/Net: 14                    Class A

pg-macbook-pro:~ patrickgrimm$ ipcalc 104.86.1.32/28
Address:   104.86.1.32          01101000.01010110.00000001.0010 0000
Netmask:   255.255.255.240 = 28 11111111.11111111.11111111.1111 0000
Wildcard:  0.0.0.15             00000000.00000000.00000000.0000 1111
=>
Network:   104.86.1.32/28       01101000.01010110.00000001.0010 0000
HostMin:   104.86.1.33          01101000.01010110.00000001.0010 0001
HostMax:   104.86.1.46          01101000.01010110.00000001.0010 1110
Broadcast: 104.86.1.47          01101000.01010110.00000001.0010 1111
Hosts/Net: 14                    Class A

pg-macbook-pro:~ patrickgrimm$ ipcalc 104.86.1.48/28
Address:   104.86.1.48          01101000.01010110.00000001.0011 0000
Netmask:   255.255.255.240 = 28 11111111.11111111.11111111.1111 0000
Wildcard:  0.0.0.15             00000000.00000000.00000000.0000 1111
=>
Network:   104.86.1.48/28       01101000.01010110.00000001.0011 0000
HostMin:   104.86.1.49          01101000.01010110.00000001.0011 0001
HostMax:   104.86.1.62          01101000.01010110.00000001.0011 1110
Broadcast: 104.86.1.63          01101000.01010110.00000001.0011 1111
Hosts/Net: 14                    Class A