115.2.237.128/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
115.2.237.128
Broadcast Address
115.2.237.159
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
115.2.237.129
Last Usable IP
115.2.237.158
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (115.2.237.128). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 115.2.237.159 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 115.2.237.128/27
Network Address 115.2.237.128
Broadcast Address 115.2.237.159
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 115.2.237.129
Last Usable IP 115.2.237.158
Network (Hex) 0x7302ED80
Broadcast (Hex) 0x7302ED9F
Address Type Public / Globally Routable

Binary Representation

Network Address
01110011.00000010.11101101 01110011.00000010.11101101.10000000
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 115.2.237.128/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 115.2.237.128/28 115.2.237.128 115.2.237.129 115.2.237.142 115.2.237.143 14
2 115.2.237.144/28 115.2.237.144 115.2.237.145 115.2.237.158 115.2.237.159 14

IP Address Sample

Showing first 16 of 32 total IPs.

115.2.237.128 net
115.2.237.129
115.2.237.130
115.2.237.131
115.2.237.132
115.2.237.133
115.2.237.134
115.2.237.135
115.2.237.136
115.2.237.137
115.2.237.138
115.2.237.139
115.2.237.140
115.2.237.141
115.2.237.142
115.2.237.143
… 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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