204.72.164.32/27

Public

Class C — /27 prefix — 30 usable hosts

Network Address
204.72.164.32
Broadcast Address
204.72.164.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
204.72.164.33
Last Usable IP
204.72.164.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (204.72.164.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 204.72.164.63 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 204.72.164.32/27
Network Address 204.72.164.32
Broadcast Address 204.72.164.63
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 204.72.164.33
Last Usable IP 204.72.164.62
Network (Hex) 0xCC48A420
Broadcast (Hex) 0xCC48A43F
Address Type Public / Globally Routable

Binary Representation

Network Address
11001100.01001000.10100100 11001100.01001000.10100100.00100000
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 204.72.164.32/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 204.72.164.32/28 204.72.164.32 204.72.164.33 204.72.164.46 204.72.164.47 14
2 204.72.164.48/28 204.72.164.48 204.72.164.49 204.72.164.62 204.72.164.63 14

IP Address Sample

Showing first 16 of 32 total IPs.

204.72.164.32 net
204.72.164.33
204.72.164.34
204.72.164.35
204.72.164.36
204.72.164.37
204.72.164.38
204.72.164.39
204.72.164.40
204.72.164.41
204.72.164.42
204.72.164.43
204.72.164.44
204.72.164.45
204.72.164.46
204.72.164.47
… 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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