116.237.57.64/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
116.237.57.64
Broadcast Address
116.237.57.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
116.237.57.65
Last Usable IP
116.237.57.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (116.237.57.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 116.237.57.95 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 116.237.57.64/27
Network Address 116.237.57.64
Broadcast Address 116.237.57.95
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class A
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 116.237.57.65
Last Usable IP 116.237.57.94
Network (Hex) 0x74ED3940
Broadcast (Hex) 0x74ED395F
Address Type Public / Globally Routable

Binary Representation

Network Address
01110100.11101101.00111001 01110100.11101101.00111001.01000000
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 116.237.57.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 116.237.57.64/28 116.237.57.64 116.237.57.65 116.237.57.78 116.237.57.79 14
2 116.237.57.80/28 116.237.57.80 116.237.57.81 116.237.57.94 116.237.57.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

116.237.57.64 net
116.237.57.65
116.237.57.66
116.237.57.67
116.237.57.68
116.237.57.69
116.237.57.70
116.237.57.71
116.237.57.72
116.237.57.73
116.237.57.74
116.237.57.75
116.237.57.76
116.237.57.77
116.237.57.78
116.237.57.79
… 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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