120.232.237.64/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
120.232.237.64
Broadcast Address
120.232.237.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
120.232.237.65
Last Usable IP
120.232.237.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (120.232.237.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 120.232.237.95 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 120.232.237.64/27
Network Address 120.232.237.64
Broadcast Address 120.232.237.95
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 120.232.237.65
Last Usable IP 120.232.237.94
Network (Hex) 0x78E8ED40
Broadcast (Hex) 0x78E8ED5F
Address Type Public / Globally Routable

Binary Representation

Network Address
01111000.11101000.11101101 01111000.11101000.11101101.01000000
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.

Subnet Breakdown — splitting into /28

This /27 block can be divided into 2 /28 subnets.

CIDR Network Broadcast First Usable Last Usable Hosts
120.232.237.64/28 120.232.237.64 120.232.237.79 120.232.237.65 120.232.237.78 14
120.232.237.80/28 120.232.237.80 120.232.237.95 120.232.237.81 120.232.237.94 14

IP Address Sample

Showing first 16 of 32 total IPs.

120.232.237.64 net
120.232.237.65
120.232.237.66
120.232.237.67
120.232.237.68
120.232.237.69
120.232.237.70
120.232.237.71
120.232.237.72
120.232.237.73
120.232.237.74
120.232.237.75
120.232.237.76
120.232.237.77
120.232.237.78
120.232.237.79
… 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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