28.118.167.0/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
28.118.167.0
Broadcast Address
28.118.167.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
28.118.167.1
Last Usable IP
28.118.167.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (28.118.167.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 28.118.167.31 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 28.118.167.0/27
Network Address 28.118.167.0
Broadcast Address 28.118.167.31
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 28.118.167.1
Last Usable IP 28.118.167.30
Network (Hex) 0x1C76A700
Broadcast (Hex) 0x1C76A71F
Address Type Public / Globally Routable

Binary Representation

Network Address
00011100.01110110.10100111 00011100.01110110.10100111.00000000
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 28.118.167.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 28.118.167.0/28 28.118.167.0 28.118.167.1 28.118.167.14 28.118.167.15 14
2 28.118.167.16/28 28.118.167.16 28.118.167.17 28.118.167.30 28.118.167.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

28.118.167.0 net
28.118.167.1
28.118.167.2
28.118.167.3
28.118.167.4
28.118.167.5
28.118.167.6
28.118.167.7
28.118.167.8
28.118.167.9
28.118.167.10
28.118.167.11
28.118.167.12
28.118.167.13
28.118.167.14
28.118.167.15
… 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