... computer and the latter has to be ‘shown’ which portion is NetID, and which is HostID. This is done by defining a netmask in which a ‘1’ is entered for each bit which is part of NetID, and a ‘0’ ... considered ‘classful’, the traditional distinction between class A, B and C addresses and the implied boundaries between the NetID and HostID can be ignored. Instead, whenever 6XGIZOIGR:)6/6GTJ+ZNKXTKZ4KZ]UXQOTMCurrently ... number of HostIDs, on the other hand, is determined by octets ‘x’, ‘y’ and ‘z’. From these 24 bits, 224 = 16 777 218 combinations are available. All zeros and all ones are not permissible,...