201.15.117.64/27

Public

Class C — /27 prefix — 30 usable hosts

Network Address
201.15.117.64
Broadcast Address
201.15.117.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
201.15.117.65
Last Usable IP
201.15.117.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (201.15.117.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 201.15.117.95 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 201.15.117.64/27
Network Address 201.15.117.64
Broadcast Address 201.15.117.95
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 201.15.117.65
Last Usable IP 201.15.117.94
Network (Hex) 0xC90F7540
Broadcast (Hex) 0xC90F755F
Address Type Public / Globally Routable

Binary Representation

Network Address
11001001.00001111.01110101 11001001.00001111.01110101.01000000
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 201.15.117.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 201.15.117.64/28 201.15.117.64 201.15.117.65 201.15.117.78 201.15.117.79 14
2 201.15.117.80/28 201.15.117.80 201.15.117.81 201.15.117.94 201.15.117.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

201.15.117.64 net
201.15.117.65
201.15.117.66
201.15.117.67
201.15.117.68
201.15.117.69
201.15.117.70
201.15.117.71
201.15.117.72
201.15.117.73
201.15.117.74
201.15.117.75
201.15.117.76
201.15.117.77
201.15.117.78
201.15.117.79
… 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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