72.243.9.224/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
72.243.9.224
Broadcast Address
72.243.9.255
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
72.243.9.225
Last Usable IP
72.243.9.254
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (72.243.9.224). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 72.243.9.255 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 72.243.9.224/27
Network Address 72.243.9.224
Broadcast Address 72.243.9.255
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 72.243.9.225
Last Usable IP 72.243.9.254
Network (Hex) 0x48F309E0
Broadcast (Hex) 0x48F309FF
Address Type Public / Globally Routable

Binary Representation

Network Address
01001000.11110011.00001001 01001000.11110011.00001001.11100000
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 72.243.9.224/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 72.243.9.224/28 72.243.9.224 72.243.9.225 72.243.9.238 72.243.9.239 14
2 72.243.9.240/28 72.243.9.240 72.243.9.241 72.243.9.254 72.243.9.255 14

IP Address Sample

Showing first 16 of 32 total IPs.

72.243.9.224 net
72.243.9.225
72.243.9.226
72.243.9.227
72.243.9.228
72.243.9.229
72.243.9.230
72.243.9.231
72.243.9.232
72.243.9.233
72.243.9.234
72.243.9.235
72.243.9.236
72.243.9.237
72.243.9.238
72.243.9.239
… 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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