178.0.54.32/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
178.0.54.32
Broadcast Address
178.0.54.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
178.0.54.33
Last Usable IP
178.0.54.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (178.0.54.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 178.0.54.63 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 178.0.54.32/27
Network Address 178.0.54.32
Broadcast Address 178.0.54.63
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class B
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 178.0.54.33
Last Usable IP 178.0.54.62
Network (Hex) 0xB2003620
Broadcast (Hex) 0xB200363F
Address Type Public / Globally Routable

Binary Representation

Network Address
10110010.00000000.00110110 10110010.00000000.00110110.00100000
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 178.0.54.32/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 178.0.54.32/28 178.0.54.32 178.0.54.33 178.0.54.46 178.0.54.47 14
2 178.0.54.48/28 178.0.54.48 178.0.54.49 178.0.54.62 178.0.54.63 14

IP Address Sample

Showing first 16 of 32 total IPs.

178.0.54.32 net
178.0.54.33
178.0.54.34
178.0.54.35
178.0.54.36
178.0.54.37
178.0.54.38
178.0.54.39
178.0.54.40
178.0.54.41
178.0.54.42
178.0.54.43
178.0.54.44
178.0.54.45
178.0.54.46
178.0.54.47
… 16 more IPs …

/27 Subnet Reference

Total IPs 32
Usable Hosts 30
Subnet Mask 255.255.255.224
Wildcard 0.0.0.31

Calculate Another