16.64.83.0/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
16.64.83.0
Broadcast Address
16.64.83.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
16.64.83.1
Last Usable IP
16.64.83.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (16.64.83.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 16.64.83.31 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 16.64.83.0/27
Network Address 16.64.83.0
Broadcast Address 16.64.83.31
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 16.64.83.1
Last Usable IP 16.64.83.30
Network (Hex) 0x10405300
Broadcast (Hex) 0x1040531F
Address Type Public / Globally Routable

Binary Representation

Network Address
00010000.01000000.01010011 00010000.01000000.01010011.00000000
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 16.64.83.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 16.64.83.0/28 16.64.83.0 16.64.83.1 16.64.83.14 16.64.83.15 14
2 16.64.83.16/28 16.64.83.16 16.64.83.17 16.64.83.30 16.64.83.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

16.64.83.0 net
16.64.83.1
16.64.83.2
16.64.83.3
16.64.83.4
16.64.83.5
16.64.83.6
16.64.83.7
16.64.83.8
16.64.83.9
16.64.83.10
16.64.83.11
16.64.83.12
16.64.83.13
16.64.83.14
16.64.83.15
… 16 more IPs …

/27 Subnet Reference

Total IPs 32
Usable Hosts 30
Subnet Mask 255.255.255.224
Wildcard 0.0.0.31

Calculate Another