203.16.157.32/27

Public

Class C — /27 prefix — 30 usable hosts

Network Address
203.16.157.32
Broadcast Address
203.16.157.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
203.16.157.33
Last Usable IP
203.16.157.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (203.16.157.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 203.16.157.63 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 203.16.157.32/27
Network Address 203.16.157.32
Broadcast Address 203.16.157.63
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 203.16.157.33
Last Usable IP 203.16.157.62
Network (Hex) 0xCB109D20
Broadcast (Hex) 0xCB109D3F
Address Type Public / Globally Routable

Binary Representation

Network Address
11001011.00010000.10011101 11001011.00010000.10011101.00100000
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 203.16.157.32/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 203.16.157.32/28 203.16.157.32 203.16.157.33 203.16.157.46 203.16.157.47 14
2 203.16.157.48/28 203.16.157.48 203.16.157.49 203.16.157.62 203.16.157.63 14

IP Address Sample

Showing first 16 of 32 total IPs.

203.16.157.32 net
203.16.157.33
203.16.157.34
203.16.157.35
203.16.157.36
203.16.157.37
203.16.157.38
203.16.157.39
203.16.157.40
203.16.157.41
203.16.157.42
203.16.157.43
203.16.157.44
203.16.157.45
203.16.157.46
203.16.157.47
… 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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