11.54.231.0/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
11.54.231.0
Broadcast Address
11.54.231.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
11.54.231.1
Last Usable IP
11.54.231.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (11.54.231.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 11.54.231.31 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 11.54.231.0/27
Network Address 11.54.231.0
Broadcast Address 11.54.231.31
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 11.54.231.1
Last Usable IP 11.54.231.30
Network (Hex) 0x0B36E700
Broadcast (Hex) 0x0B36E71F
Address Type Public / Globally Routable

Binary Representation

Network Address
00001011.00110110.11100111 00001011.00110110.11100111.00000000
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 11.54.231.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 11.54.231.0/28 11.54.231.0 11.54.231.1 11.54.231.14 11.54.231.15 14
2 11.54.231.16/28 11.54.231.16 11.54.231.17 11.54.231.30 11.54.231.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

11.54.231.0 net
11.54.231.1
11.54.231.2
11.54.231.3
11.54.231.4
11.54.231.5
11.54.231.6
11.54.231.7
11.54.231.8
11.54.231.9
11.54.231.10
11.54.231.11
11.54.231.12
11.54.231.13
11.54.231.14
11.54.231.15
… 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