20.54.237.0/26

Public

Class A — /26 prefix — 62 usable hosts

Network Address
20.54.237.0
Broadcast Address
20.54.237.63
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
20.54.237.1
Last Usable IP
20.54.237.62
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (20.54.237.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 20.54.237.63 are delivered to every device in the subnet. Also reserved — not assignable.

Usable hosts — the 62 addresses between those two that you can assign to servers, VMs, or interfaces.

Subnet mask255.255.255.192 is the dotted-decimal equivalent of /26. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 20.54.237.0/26
Network Address 20.54.237.0
Broadcast Address 20.54.237.63
Subnet Mask 255.255.255.192
Wildcard Mask 0.0.0.63
Prefix Length /26
IP Address Class Class A
Total IP Addresses 64
Usable Host Addresses 62
First Usable IP 20.54.237.1
Last Usable IP 20.54.237.62
Network (Hex) 0x1436ED00
Broadcast (Hex) 0x1436ED3F
Address Type Public / Globally Routable

Binary Representation

Network Address
00010100.00110110.11101101 00010100.00110110.11101101.00000000
Subnet Mask
11111111.11111111.11111111.11000000

The first 26 bits (1s in the mask) identify the network. The remaining 6 bits identify hosts within the network.

Split into Equal Subnets

Split 20.54.237.0/26 into 2 equal /27 subnets (30 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 20.54.237.0/27 20.54.237.0 20.54.237.1 20.54.237.30 20.54.237.31 30
2 20.54.237.32/27 20.54.237.32 20.54.237.33 20.54.237.62 20.54.237.63 30

IP Address Sample

Showing first 16 of 64 total IPs.

20.54.237.0 net
20.54.237.1
20.54.237.2
20.54.237.3
20.54.237.4
20.54.237.5
20.54.237.6
20.54.237.7
20.54.237.8
20.54.237.9
20.54.237.10
20.54.237.11
20.54.237.12
20.54.237.13
20.54.237.14
20.54.237.15
… 48 more IPs …

/26 Subnet Reference

Total IPs 64
Usable Hosts 62
Subnet Mask 255.255.255.192
Wildcard 0.0.0.63

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