178.54.120.32/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
178.54.120.32
Broadcast Address
178.54.120.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
178.54.120.33
Last Usable IP
178.54.120.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (178.54.120.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 178.54.120.63 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 178.54.120.32/27
Network Address 178.54.120.32
Broadcast Address 178.54.120.63
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 178.54.120.33
Last Usable IP 178.54.120.62
Network (Hex) 0xB2367820
Broadcast (Hex) 0xB236783F
Address Type Public / Globally Routable

Binary Representation

Network Address
10110010.00110110.01111000 10110010.00110110.01111000.00100000
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 178.54.120.32/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 178.54.120.32/28 178.54.120.32 178.54.120.33 178.54.120.46 178.54.120.47 14
2 178.54.120.48/28 178.54.120.48 178.54.120.49 178.54.120.62 178.54.120.63 14

IP Address Sample

Showing first 16 of 32 total IPs.

178.54.120.32 net
178.54.120.33
178.54.120.34
178.54.120.35
178.54.120.36
178.54.120.37
178.54.120.38
178.54.120.39
178.54.120.40
178.54.120.41
178.54.120.42
178.54.120.43
178.54.120.44
178.54.120.45
178.54.120.46
178.54.120.47
… 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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