201.66.27.64/27

Public

Class C — /27 prefix — 30 usable hosts

Network Address
201.66.27.64
Broadcast Address
201.66.27.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
201.66.27.65
Last Usable IP
201.66.27.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (201.66.27.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 201.66.27.95 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 201.66.27.64/27
Network Address 201.66.27.64
Broadcast Address 201.66.27.95
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 201.66.27.65
Last Usable IP 201.66.27.94
Network (Hex) 0xC9421B40
Broadcast (Hex) 0xC9421B5F
Address Type Public / Globally Routable

Binary Representation

Network Address
11001001.01000010.00011011 11001001.01000010.00011011.01000000
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 201.66.27.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 201.66.27.64/28 201.66.27.64 201.66.27.65 201.66.27.78 201.66.27.79 14
2 201.66.27.80/28 201.66.27.80 201.66.27.81 201.66.27.94 201.66.27.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

201.66.27.64 net
201.66.27.65
201.66.27.66
201.66.27.67
201.66.27.68
201.66.27.69
201.66.27.70
201.66.27.71
201.66.27.72
201.66.27.73
201.66.27.74
201.66.27.75
201.66.27.76
201.66.27.77
201.66.27.78
201.66.27.79
… 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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