54.55.111.0/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
54.55.111.0
Broadcast Address
54.55.111.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
54.55.111.1
Last Usable IP
54.55.111.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (54.55.111.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 54.55.111.31 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 54.55.111.0/27
Network Address 54.55.111.0
Broadcast Address 54.55.111.31
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 54.55.111.1
Last Usable IP 54.55.111.30
Network (Hex) 0x36376F00
Broadcast (Hex) 0x36376F1F
Address Type Public / Globally Routable

Binary Representation

Network Address
00110110.00110111.01101111 00110110.00110111.01101111.00000000
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 54.55.111.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 54.55.111.0/28 54.55.111.0 54.55.111.1 54.55.111.14 54.55.111.15 14
2 54.55.111.16/28 54.55.111.16 54.55.111.17 54.55.111.30 54.55.111.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

54.55.111.0 net
54.55.111.1
54.55.111.2
54.55.111.3
54.55.111.4
54.55.111.5
54.55.111.6
54.55.111.7
54.55.111.8
54.55.111.9
54.55.111.10
54.55.111.11
54.55.111.12
54.55.111.13
54.55.111.14
54.55.111.15
… 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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