159.248.231.128/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
159.248.231.128
Broadcast Address
159.248.231.159
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
159.248.231.129
Last Usable IP
159.248.231.158
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (159.248.231.128). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 159.248.231.159 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 159.248.231.128/27
Network Address 159.248.231.128
Broadcast Address 159.248.231.159
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class B
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 159.248.231.129
Last Usable IP 159.248.231.158
Network (Hex) 0x9FF8E780
Broadcast (Hex) 0x9FF8E79F
Address Type Public / Globally Routable

Binary Representation

Network Address
10011111.11111000.11100111 10011111.11111000.11100111.10000000
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.

Subnet Breakdown — splitting into /28

This /27 block can be divided into 2 /28 subnets.

CIDR Network Broadcast First Usable Last Usable Hosts
159.248.231.128/28 159.248.231.128 159.248.231.143 159.248.231.129 159.248.231.142 14
159.248.231.144/28 159.248.231.144 159.248.231.159 159.248.231.145 159.248.231.158 14

IP Address Sample

Showing first 16 of 32 total IPs.

159.248.231.128 net
159.248.231.129
159.248.231.130
159.248.231.131
159.248.231.132
159.248.231.133
159.248.231.134
159.248.231.135
159.248.231.136
159.248.231.137
159.248.231.138
159.248.231.139
159.248.231.140
159.248.231.141
159.248.231.142
159.248.231.143
… 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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