31.79.45.224/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
31.79.45.224
Broadcast Address
31.79.45.255
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
31.79.45.225
Last Usable IP
31.79.45.254
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (31.79.45.224). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 31.79.45.255 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 31.79.45.224/27
Network Address 31.79.45.224
Broadcast Address 31.79.45.255
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 31.79.45.225
Last Usable IP 31.79.45.254
Network (Hex) 0x1F4F2DE0
Broadcast (Hex) 0x1F4F2DFF
Address Type Public / Globally Routable

Binary Representation

Network Address
00011111.01001111.00101101 00011111.01001111.00101101.11100000
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 31.79.45.224/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 31.79.45.224/28 31.79.45.224 31.79.45.225 31.79.45.238 31.79.45.239 14
2 31.79.45.240/28 31.79.45.240 31.79.45.241 31.79.45.254 31.79.45.255 14

IP Address Sample

Showing first 16 of 32 total IPs.

31.79.45.224 net
31.79.45.225
31.79.45.226
31.79.45.227
31.79.45.228
31.79.45.229
31.79.45.230
31.79.45.231
31.79.45.232
31.79.45.233
31.79.45.234
31.79.45.235
31.79.45.236
31.79.45.237
31.79.45.238
31.79.45.239
… 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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