203.0.112.32/27

Public

Class C — /27 prefix — 30 usable hosts

Network Address
203.0.112.32
Broadcast Address
203.0.112.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
203.0.112.33
Last Usable IP
203.0.112.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (203.0.112.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 203.0.112.63 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 203.0.112.32/27
Network Address 203.0.112.32
Broadcast Address 203.0.112.63
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 203.0.112.33
Last Usable IP 203.0.112.62
Network (Hex) 0xCB007020
Broadcast (Hex) 0xCB00703F
Address Type Public / Globally Routable

Binary Representation

Network Address
11001011.00000000.01110000 11001011.00000000.01110000.00100000
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.

Subnet Breakdown — splitting into /28

This /27 block can be divided into 2 /28 subnets.

CIDR Network Broadcast First Usable Last Usable Hosts
203.0.112.32/28 203.0.112.32 203.0.112.47 203.0.112.33 203.0.112.46 14
203.0.112.48/28 203.0.112.48 203.0.112.63 203.0.112.49 203.0.112.62 14

IP Address Sample

Showing first 16 of 32 total IPs.

203.0.112.32 net
203.0.112.33
203.0.112.34
203.0.112.35
203.0.112.36
203.0.112.37
203.0.112.38
203.0.112.39
203.0.112.40
203.0.112.41
203.0.112.42
203.0.112.43
203.0.112.44
203.0.112.45
203.0.112.46
203.0.112.47
… 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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