203.66.63.32/27

Public

Class C — /27 prefix — 30 usable hosts

Network Address
203.66.63.32
Broadcast Address
203.66.63.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
203.66.63.33
Last Usable IP
203.66.63.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (203.66.63.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 203.66.63.63 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 203.66.63.32/27
Network Address 203.66.63.32
Broadcast Address 203.66.63.63
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 203.66.63.33
Last Usable IP 203.66.63.62
Network (Hex) 0xCB423F20
Broadcast (Hex) 0xCB423F3F
Address Type Public / Globally Routable

Binary Representation

Network Address
11001011.01000010.00111111 11001011.01000010.00111111.00100000
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 203.66.63.32/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 203.66.63.32/28 203.66.63.32 203.66.63.33 203.66.63.46 203.66.63.47 14
2 203.66.63.48/28 203.66.63.48 203.66.63.49 203.66.63.62 203.66.63.63 14

IP Address Sample

Showing first 16 of 32 total IPs.

203.66.63.32 net
203.66.63.33
203.66.63.34
203.66.63.35
203.66.63.36
203.66.63.37
203.66.63.38
203.66.63.39
203.66.63.40
203.66.63.41
203.66.63.42
203.66.63.43
203.66.63.44
203.66.63.45
203.66.63.46
203.66.63.47
… 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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