213.237.0.64/27

Public

Class C — /27 prefix — 30 usable hosts

Network Address
213.237.0.64
Broadcast Address
213.237.0.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
213.237.0.65
Last Usable IP
213.237.0.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (213.237.0.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 213.237.0.95 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 213.237.0.64/27
Network Address 213.237.0.64
Broadcast Address 213.237.0.95
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 213.237.0.65
Last Usable IP 213.237.0.94
Network (Hex) 0xD5ED0040
Broadcast (Hex) 0xD5ED005F
Address Type Public / Globally Routable

Binary Representation

Network Address
11010101.11101101.00000000 11010101.11101101.00000000.01000000
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 213.237.0.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 213.237.0.64/28 213.237.0.64 213.237.0.65 213.237.0.78 213.237.0.79 14
2 213.237.0.80/28 213.237.0.80 213.237.0.81 213.237.0.94 213.237.0.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

213.237.0.64 net
213.237.0.65
213.237.0.66
213.237.0.67
213.237.0.68
213.237.0.69
213.237.0.70
213.237.0.71
213.237.0.72
213.237.0.73
213.237.0.74
213.237.0.75
213.237.0.76
213.237.0.77
213.237.0.78
213.237.0.79
… 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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