78.139.227.128/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
78.139.227.128
Broadcast Address
78.139.227.159
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
78.139.227.129
Last Usable IP
78.139.227.158
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (78.139.227.128). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 78.139.227.159 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 78.139.227.128/27
Network Address 78.139.227.128
Broadcast Address 78.139.227.159
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 78.139.227.129
Last Usable IP 78.139.227.158
Network (Hex) 0x4E8BE380
Broadcast (Hex) 0x4E8BE39F
Address Type Public / Globally Routable

Binary Representation

Network Address
01001110.10001011.11100011 01001110.10001011.11100011.10000000
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 78.139.227.128/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 78.139.227.128/28 78.139.227.128 78.139.227.129 78.139.227.142 78.139.227.143 14
2 78.139.227.144/28 78.139.227.144 78.139.227.145 78.139.227.158 78.139.227.159 14

IP Address Sample

Showing first 16 of 32 total IPs.

78.139.227.128 net
78.139.227.129
78.139.227.130
78.139.227.131
78.139.227.132
78.139.227.133
78.139.227.134
78.139.227.135
78.139.227.136
78.139.227.137
78.139.227.138
78.139.227.139
78.139.227.140
78.139.227.141
78.139.227.142
78.139.227.143
… 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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