178.9.75.96/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
178.9.75.96
Broadcast Address
178.9.75.127
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
178.9.75.97
Last Usable IP
178.9.75.126
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (178.9.75.96). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 178.9.75.127 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 178.9.75.96/27
Network Address 178.9.75.96
Broadcast Address 178.9.75.127
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 178.9.75.97
Last Usable IP 178.9.75.126
Network (Hex) 0xB2094B60
Broadcast (Hex) 0xB2094B7F
Address Type Public / Globally Routable

Binary Representation

Network Address
10110010.00001001.01001011 10110010.00001001.01001011.01100000
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 178.9.75.96/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 178.9.75.96/28 178.9.75.96 178.9.75.97 178.9.75.110 178.9.75.111 14
2 178.9.75.112/28 178.9.75.112 178.9.75.113 178.9.75.126 178.9.75.127 14

IP Address Sample

Showing first 16 of 32 total IPs.

178.9.75.96 net
178.9.75.97
178.9.75.98
178.9.75.99
178.9.75.100
178.9.75.101
178.9.75.102
178.9.75.103
178.9.75.104
178.9.75.105
178.9.75.106
178.9.75.107
178.9.75.108
178.9.75.109
178.9.75.110
178.9.75.111
… 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