Register Size Addressable Memory Calculator

Calculate the maximum addressable memory given a register width n: 2^n bytes. A 32-bit register addresses 4 GB; a 64-bit register addresses 16 EB theoretically.

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IP Subnet Calculator

IP Address
CIDR Prefix
/
Network
192.168.1.0
Broadcast
192.168.1.255
Subnet Mask
255.255.255.0
First Host
192.168.1.1
Last Host
192.168.1.254
Usable Hosts
254
Binary breakdown:
IP: 11000000.10101000.00000001.00000000
Mask: 11111111.11111111.11111111.00000000
Net: 11000000.10101000.00000001.00000000
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How to Use

Enter the values for the scenario you are assessing. Calculate the maximum addressable memory given a register width n: 2^n bytes. A 32-bit register addresses 4 GB; a 64-bit register addresses 16 EB theoretically. Use the addressable memory from register result to inform your calculation.

Frequently Asked Questions