39.2.54.128/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
39.2.54.128
Broadcast Address
39.2.54.159
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
39.2.54.129
Last Usable IP
39.2.54.158
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (39.2.54.128). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 39.2.54.159 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 39.2.54.128/27
Network Address 39.2.54.128
Broadcast Address 39.2.54.159
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 39.2.54.129
Last Usable IP 39.2.54.158
Network (Hex) 0x27023680
Broadcast (Hex) 0x2702369F
Address Type Public / Globally Routable

Binary Representation

Network Address
00100111.00000010.00110110 00100111.00000010.00110110.10000000
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 39.2.54.128/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 39.2.54.128/28 39.2.54.128 39.2.54.129 39.2.54.142 39.2.54.143 14
2 39.2.54.144/28 39.2.54.144 39.2.54.145 39.2.54.158 39.2.54.159 14

IP Address Sample

Showing first 16 of 32 total IPs.

39.2.54.128 net
39.2.54.129
39.2.54.130
39.2.54.131
39.2.54.132
39.2.54.133
39.2.54.134
39.2.54.135
39.2.54.136
39.2.54.137
39.2.54.138
39.2.54.139
39.2.54.140
39.2.54.141
39.2.54.142
39.2.54.143
… 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