72.243.75.160/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
72.243.75.160
Broadcast Address
72.243.75.191
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
72.243.75.161
Last Usable IP
72.243.75.190
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (72.243.75.160). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 72.243.75.191 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 72.243.75.160/27
Network Address 72.243.75.160
Broadcast Address 72.243.75.191
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 72.243.75.161
Last Usable IP 72.243.75.190
Network (Hex) 0x48F34BA0
Broadcast (Hex) 0x48F34BBF
Address Type Public / Globally Routable

Binary Representation

Network Address
01001000.11110011.01001011 01001000.11110011.01001011.10100000
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 72.243.75.160/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 72.243.75.160/28 72.243.75.160 72.243.75.161 72.243.75.174 72.243.75.175 14
2 72.243.75.176/28 72.243.75.176 72.243.75.177 72.243.75.190 72.243.75.191 14

IP Address Sample

Showing first 16 of 32 total IPs.

72.243.75.160 net
72.243.75.161
72.243.75.162
72.243.75.163
72.243.75.164
72.243.75.165
72.243.75.166
72.243.75.167
72.243.75.168
72.243.75.169
72.243.75.170
72.243.75.171
72.243.75.172
72.243.75.173
72.243.75.174
72.243.75.175
… 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