54.20.51.32/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
54.20.51.32
Broadcast Address
54.20.51.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
54.20.51.33
Last Usable IP
54.20.51.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (54.20.51.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 54.20.51.63 are delivered to every device in the subnet. Also reserved — not assignable.

Usable hosts — the 30 addresses between those two that you can assign to servers, VMs, or interfaces.

Subnet mask255.255.255.224 is the dotted-decimal equivalent of /27. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 54.20.51.32/27
Network Address 54.20.51.32
Broadcast Address 54.20.51.63
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class A
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 54.20.51.33
Last Usable IP 54.20.51.62
Network (Hex) 0x36143320
Broadcast (Hex) 0x3614333F
Address Type Public / Globally Routable

Binary Representation

Network Address
00110110.00010100.00110011 00110110.00010100.00110011.00100000
Subnet Mask
11111111.11111111.11111111.11100000

The first 27 bits (1s in the mask) identify the network. The remaining 5 bits identify hosts within the network.

Split into Equal Subnets

Split 54.20.51.32/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 54.20.51.32/28 54.20.51.32 54.20.51.33 54.20.51.46 54.20.51.47 14
2 54.20.51.48/28 54.20.51.48 54.20.51.49 54.20.51.62 54.20.51.63 14

IP Address Sample

Showing first 16 of 32 total IPs.

54.20.51.32 net
54.20.51.33
54.20.51.34
54.20.51.35
54.20.51.36
54.20.51.37
54.20.51.38
54.20.51.39
54.20.51.40
54.20.51.41
54.20.51.42
54.20.51.43
54.20.51.44
54.20.51.45
54.20.51.46
54.20.51.47
… 16 more IPs …

/27 Subnet Reference

Total IPs 32
Usable Hosts 30
Subnet Mask 255.255.255.224
Wildcard 0.0.0.31

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