104.52.80.0/20

Public

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

Network Address
104.52.80.0
Broadcast Address
104.52.95.255
Subnet Mask
255.255.240.0
Usable Hosts
4,094
First Usable IP
104.52.80.1
Last Usable IP
104.52.95.254
Total IPs
4,096
Prefix Length
/20

Network address — the base address of the block (104.52.80.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 104.52.95.255 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 104.52.80.0/20
Network Address 104.52.80.0
Broadcast Address 104.52.95.255
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 104.52.80.1
Last Usable IP 104.52.95.254
Network (Hex) 0x68345000
Broadcast (Hex) 0x68345FFF
Address Type Public / Globally Routable

Binary Representation

Network Address
01101000.00110100 01101000.00110100.01010000.00000000
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 104.52.80.0/20 into 2 equal /21 subnets (2,046 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 104.52.80.0/21 104.52.80.0 104.52.80.1 104.52.87.254 104.52.87.255 2,046
2 104.52.88.0/21 104.52.88.0 104.52.88.1 104.52.95.254 104.52.95.255 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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