83.161.16.0/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
83.161.16.0
Broadcast Address
83.161.16.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
83.161.16.1
Last Usable IP
83.161.16.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (83.161.16.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 83.161.16.31 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 83.161.16.0/27
Network Address 83.161.16.0
Broadcast Address 83.161.16.31
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 83.161.16.1
Last Usable IP 83.161.16.30
Network (Hex) 0x53A11000
Broadcast (Hex) 0x53A1101F
Address Type Public / Globally Routable

Binary Representation

Network Address
01010011.10100001.00010000 01010011.10100001.00010000.00000000
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 83.161.16.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 83.161.16.0/28 83.161.16.0 83.161.16.1 83.161.16.14 83.161.16.15 14
2 83.161.16.16/28 83.161.16.16 83.161.16.17 83.161.16.30 83.161.16.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

83.161.16.0 net
83.161.16.1
83.161.16.2
83.161.16.3
83.161.16.4
83.161.16.5
83.161.16.6
83.161.16.7
83.161.16.8
83.161.16.9
83.161.16.10
83.161.16.11
83.161.16.12
83.161.16.13
83.161.16.14
83.161.16.15
… 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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