82.196.64.0/20

Public

Class A — /20 prefix — 4,094 usable hosts

Network Address
82.196.64.0
Broadcast Address
82.196.79.255
Subnet Mask
255.255.240.0
Usable Hosts
4,094
First Usable IP
82.196.64.1
Last Usable IP
82.196.79.254
Total IPs
4,096
Prefix Length
/20

Network address — the base address of the block (82.196.64.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 82.196.79.255 are delivered to every device in the subnet. Also reserved — not assignable.

Usable hosts — the 4,094 addresses between those two that you can assign to servers, VMs, or interfaces.

Subnet mask255.255.240.0 is the dotted-decimal equivalent of /20. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 82.196.64.0/20
Network Address 82.196.64.0
Broadcast Address 82.196.79.255
Subnet Mask 255.255.240.0
Wildcard Mask 0.0.15.255
Prefix Length /20
IP Address Class Class A
Total IP Addresses 4,096
Usable Host Addresses 4,094
First Usable IP 82.196.64.1
Last Usable IP 82.196.79.254
Network (Hex) 0x52C44000
Broadcast (Hex) 0x52C44FFF
Address Type Public / Globally Routable

Binary Representation

Network Address
01010010.11000100 01010010.11000100.01000000.00000000
Subnet Mask
11111111.11111111.11110000.00000000

The first 20 bits (1s in the mask) identify the network. The remaining 12 bits identify hosts within the network.

Split into Equal Subnets

Split 82.196.64.0/20 into 2 equal /21 subnets (2,046 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 82.196.64.0/21 82.196.64.0 82.196.64.1 82.196.71.254 82.196.71.255 2,046
2 82.196.72.0/21 82.196.72.0 82.196.72.1 82.196.79.254 82.196.79.255 2,046

/20 Subnet Reference

Total IPs 4,096
Usable Hosts 4,094
Subnet Mask 255.255.240.0
Wildcard 0.0.15.255

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