40.78.155.160/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
40.78.155.160
Broadcast Address
40.78.155.191
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
40.78.155.161
Last Usable IP
40.78.155.190
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (40.78.155.160). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 40.78.155.191 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 40.78.155.160/27
Network Address 40.78.155.160
Broadcast Address 40.78.155.191
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 40.78.155.161
Last Usable IP 40.78.155.190
Network (Hex) 0x284E9BA0
Broadcast (Hex) 0x284E9BBF
Address Type Public / Globally Routable

Binary Representation

Network Address
00101000.01001110.10011011 00101000.01001110.10011011.10100000
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
40.78.155.160/28 40.78.155.160 40.78.155.175 40.78.155.161 40.78.155.174 14
40.78.155.176/28 40.78.155.176 40.78.155.191 40.78.155.177 40.78.155.190 14

IP Address Sample

Showing first 16 of 32 total IPs.

40.78.155.160 net
40.78.155.161
40.78.155.162
40.78.155.163
40.78.155.164
40.78.155.165
40.78.155.166
40.78.155.167
40.78.155.168
40.78.155.169
40.78.155.170
40.78.155.171
40.78.155.172
40.78.155.173
40.78.155.174
40.78.155.175
… 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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