130.176.78.128/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
130.176.78.128
Broadcast Address
130.176.78.159
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
130.176.78.129
Last Usable IP
130.176.78.158
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (130.176.78.128). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 130.176.78.159 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 130.176.78.128/27
Network Address 130.176.78.128
Broadcast Address 130.176.78.159
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 130.176.78.129
Last Usable IP 130.176.78.158
Network (Hex) 0x82B04E80
Broadcast (Hex) 0x82B04E9F
Address Type Public / Globally Routable

Binary Representation

Network Address
10000010.10110000.01001110 10000010.10110000.01001110.10000000
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
130.176.78.128/28 130.176.78.128 130.176.78.143 130.176.78.129 130.176.78.142 14
130.176.78.144/28 130.176.78.144 130.176.78.159 130.176.78.145 130.176.78.158 14

IP Address Sample

Showing first 16 of 32 total IPs.

130.176.78.128 net
130.176.78.129
130.176.78.130
130.176.78.131
130.176.78.132
130.176.78.133
130.176.78.134
130.176.78.135
130.176.78.136
130.176.78.137
130.176.78.138
130.176.78.139
130.176.78.140
130.176.78.141
130.176.78.142
130.176.78.143
… 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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