212.252.156.128/27

Public

Class C — /27 prefix — 30 usable hosts

Network Address
212.252.156.128
Broadcast Address
212.252.156.159
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
212.252.156.129
Last Usable IP
212.252.156.158
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (212.252.156.128). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 212.252.156.159 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 212.252.156.128/27
Network Address 212.252.156.128
Broadcast Address 212.252.156.159
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class C
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 212.252.156.129
Last Usable IP 212.252.156.158
Network (Hex) 0xD4FC9C80
Broadcast (Hex) 0xD4FC9C9F
Address Type Public / Globally Routable

Binary Representation

Network Address
11010100.11111100.10011100 11010100.11111100.10011100.10000000
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 212.252.156.128/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 212.252.156.128/28 212.252.156.128 212.252.156.129 212.252.156.142 212.252.156.143 14
2 212.252.156.144/28 212.252.156.144 212.252.156.145 212.252.156.158 212.252.156.159 14

IP Address Sample

Showing first 16 of 32 total IPs.

212.252.156.128 net
212.252.156.129
212.252.156.130
212.252.156.131
212.252.156.132
212.252.156.133
212.252.156.134
212.252.156.135
212.252.156.136
212.252.156.137
212.252.156.138
212.252.156.139
212.252.156.140
212.252.156.141
212.252.156.142
212.252.156.143
… 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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