networking - Subnet mask of 255. 255. 255. 255 - Super User 1 255 255 255 255 is a broadcast address same as 0 0 0 0 if you want two endpoints the subnet mask would be 255 255 255 254 (however this still won't do what you are asking What you are asking for is VLANs or PVLANs (virtual or private lans) This would require hardware capable of layer2 switching and VLAN support at least
Why is my subnet mask 255. 255. 255. 255? - Super User 11 A network with a subnet mask of 255 255 255 255 puts each device inside its own subnet, forcing them to communicate with the router before communicating with any other device
networking - Static IP address of 255. 255. 255. 255 - Super User 1 255 255 255 255 represents the local broadcast address, which is only propagated within the network This broadcast data cannot cross routers by default That is, it is a restricted broadcast address For the local host, this address refers to all hosts in the network segment (same broadcast domain)
Why cant IP addresses start with 0 or 255? - Super User The IP address 0 0 0 0 is used as a wildcard to bind to all addresses The IP address 255 255 255 255 is used to indicate a local broadcast Because this decision was part of the classful network design that predates CIDR, to reserve these specific IP addresses alone, special rules would have had to have been created for the 8's that contained them Since some 8's were going to remain
How to find how many hosts are on subnet mask: 255. 255. 255. 252? 3 You are correct to say the subnet mask of Class A should be 255 0 0 0 but in a classless network involving subnetting 255 255 255 252 is mostly used between the ISP and your home network to provide only 2 usable host Of which one host is the ISP and the second is your home network public address
What are the valid public IP address ranges? - Super User There are a number of lists on the web that define all valid public IP addresses ranges but they don't seem to be very accurate The most common list Ive found is show below This list however does