125.91.182.128/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
125.91.182.128
Broadcast Address
125.91.182.159
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
125.91.182.129
Last Usable IP
125.91.182.158
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (125.91.182.128). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 125.91.182.159 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 125.91.182.128/27
Network Address 125.91.182.128
Broadcast Address 125.91.182.159
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 125.91.182.129
Last Usable IP 125.91.182.158
Network (Hex) 0x7D5BB680
Broadcast (Hex) 0x7D5BB69F
Address Type Public / Globally Routable

Binary Representation

Network Address
01111101.01011011.10110110 01111101.01011011.10110110.10000000
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 125.91.182.128/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 125.91.182.128/28 125.91.182.128 125.91.182.129 125.91.182.142 125.91.182.143 14
2 125.91.182.144/28 125.91.182.144 125.91.182.145 125.91.182.158 125.91.182.159 14

IP Address Sample

Showing first 16 of 32 total IPs.

125.91.182.128 net
125.91.182.129
125.91.182.130
125.91.182.131
125.91.182.132
125.91.182.133
125.91.182.134
125.91.182.135
125.91.182.136
125.91.182.137
125.91.182.138
125.91.182.139
125.91.182.140
125.91.182.141
125.91.182.142
125.91.182.143
… 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