201.97.42.0/27

Public

Class C — /27 prefix — 30 usable hosts

Network Address
201.97.42.0
Broadcast Address
201.97.42.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
201.97.42.1
Last Usable IP
201.97.42.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (201.97.42.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 201.97.42.31 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 201.97.42.0/27
Network Address 201.97.42.0
Broadcast Address 201.97.42.31
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 201.97.42.1
Last Usable IP 201.97.42.30
Network (Hex) 0xC9612A00
Broadcast (Hex) 0xC9612A1F
Address Type Public / Globally Routable

Binary Representation

Network Address
11001001.01100001.00101010 11001001.01100001.00101010.00000000
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 201.97.42.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 201.97.42.0/28 201.97.42.0 201.97.42.1 201.97.42.14 201.97.42.15 14
2 201.97.42.16/28 201.97.42.16 201.97.42.17 201.97.42.30 201.97.42.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

201.97.42.0 net
201.97.42.1
201.97.42.2
201.97.42.3
201.97.42.4
201.97.42.5
201.97.42.6
201.97.42.7
201.97.42.8
201.97.42.9
201.97.42.10
201.97.42.11
201.97.42.12
201.97.42.13
201.97.42.14
201.97.42.15
… 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