78.212.155.224/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
78.212.155.224
Broadcast Address
78.212.155.255
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
78.212.155.225
Last Usable IP
78.212.155.254
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (78.212.155.224). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 78.212.155.255 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 78.212.155.224/27
Network Address 78.212.155.224
Broadcast Address 78.212.155.255
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 78.212.155.225
Last Usable IP 78.212.155.254
Network (Hex) 0x4ED49BE0
Broadcast (Hex) 0x4ED49BFF
Address Type Public / Globally Routable

Binary Representation

Network Address
01001110.11010100.10011011 01001110.11010100.10011011.11100000
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 78.212.155.224/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 78.212.155.224/28 78.212.155.224 78.212.155.225 78.212.155.238 78.212.155.239 14
2 78.212.155.240/28 78.212.155.240 78.212.155.241 78.212.155.254 78.212.155.255 14

IP Address Sample

Showing first 16 of 32 total IPs.

78.212.155.224 net
78.212.155.225
78.212.155.226
78.212.155.227
78.212.155.228
78.212.155.229
78.212.155.230
78.212.155.231
78.212.155.232
78.212.155.233
78.212.155.234
78.212.155.235
78.212.155.236
78.212.155.237
78.212.155.238
78.212.155.239
… 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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