213.237.17.32/27

Public

Class C — /27 prefix — 30 usable hosts

Network Address
213.237.17.32
Broadcast Address
213.237.17.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
213.237.17.33
Last Usable IP
213.237.17.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (213.237.17.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 213.237.17.63 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 213.237.17.32/27
Network Address 213.237.17.32
Broadcast Address 213.237.17.63
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 213.237.17.33
Last Usable IP 213.237.17.62
Network (Hex) 0xD5ED1120
Broadcast (Hex) 0xD5ED113F
Address Type Public / Globally Routable

Binary Representation

Network Address
11010101.11101101.00010001 11010101.11101101.00010001.00100000
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 213.237.17.32/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 213.237.17.32/28 213.237.17.32 213.237.17.33 213.237.17.46 213.237.17.47 14
2 213.237.17.48/28 213.237.17.48 213.237.17.49 213.237.17.62 213.237.17.63 14

IP Address Sample

Showing first 16 of 32 total IPs.

213.237.17.32 net
213.237.17.33
213.237.17.34
213.237.17.35
213.237.17.36
213.237.17.37
213.237.17.38
213.237.17.39
213.237.17.40
213.237.17.41
213.237.17.42
213.237.17.43
213.237.17.44
213.237.17.45
213.237.17.46
213.237.17.47
… 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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