Sep 24, 2019 · Subnet mask can do more than determine the size of a particular subnet. If the IP address on a subnet is known, the subnet mask can be used to determine where the end points of that particular subnet are. To calculate the Network ID of a subnet, take an IP address within the subnet and run the AND operator (on a calculator) on the subnet mask.

How to Find Your IP Address, Subnet Mask, Default Gateway Jan 22, 2013 ipv4 - Cisco Package Tracer "Invalid IP for this subnet If you must have a /23 network, then you cannot use those addresses because they are not usable addresses, and they are in two separate networks. If you shorten the mask length (smaller network, but more network hosts), then you can use those addresses. For that network mask, or any longer network mask (larger network, fewer hosts), you simply cannot use those two addresses because they will IP Addresses, Subnet Masks, and Default Gateways | Network Apr 12, 2017

Mar 26, 2018

Router Security - Subnets and IP addresses

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Aug 31, 2019 Router Security - Subnets and IP addresses