Subnet masks for a Class C network (small network ... and up to 254 hosts can be addressed in this network (255 minus 1). In Example #2 above, the 224 reserves the three high-order bits of ...

By contrast, a bit value of 00100001 is equal to 2 5 +2 0, or 33. A subnet mask neither works as an IP address, nor does it exist independently of IP addresses. Instead, subnet masks accompany an ...