212.237.77.0/27

Public

Class C — /27 prefix — 30 usable hosts

Network Address
212.237.77.0
Broadcast Address
212.237.77.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
212.237.77.1
Last Usable IP
212.237.77.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (212.237.77.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 212.237.77.31 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 212.237.77.0/27
Network Address 212.237.77.0
Broadcast Address 212.237.77.31
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 212.237.77.1
Last Usable IP 212.237.77.30
Network (Hex) 0xD4ED4D00
Broadcast (Hex) 0xD4ED4D1F
Address Type Public / Globally Routable

Binary Representation

Network Address
11010100.11101101.01001101 11010100.11101101.01001101.00000000
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 212.237.77.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 212.237.77.0/28 212.237.77.0 212.237.77.1 212.237.77.14 212.237.77.15 14
2 212.237.77.16/28 212.237.77.16 212.237.77.17 212.237.77.30 212.237.77.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

212.237.77.0 net
212.237.77.1
212.237.77.2
212.237.77.3
212.237.77.4
212.237.77.5
212.237.77.6
212.237.77.7
212.237.77.8
212.237.77.9
212.237.77.10
212.237.77.11
212.237.77.12
212.237.77.13
212.237.77.14
212.237.77.15
… 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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