201.2.142.128/27

Public

Class C — /27 prefix — 30 usable hosts

Network Address
201.2.142.128
Broadcast Address
201.2.142.159
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
201.2.142.129
Last Usable IP
201.2.142.158
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (201.2.142.128). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 201.2.142.159 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 201.2.142.128/27
Network Address 201.2.142.128
Broadcast Address 201.2.142.159
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 201.2.142.129
Last Usable IP 201.2.142.158
Network (Hex) 0xC9028E80
Broadcast (Hex) 0xC9028E9F
Address Type Public / Globally Routable

Binary Representation

Network Address
11001001.00000010.10001110 11001001.00000010.10001110.10000000
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 201.2.142.128/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 201.2.142.128/28 201.2.142.128 201.2.142.129 201.2.142.142 201.2.142.143 14
2 201.2.142.144/28 201.2.142.144 201.2.142.145 201.2.142.158 201.2.142.159 14

IP Address Sample

Showing first 16 of 32 total IPs.

201.2.142.128 net
201.2.142.129
201.2.142.130
201.2.142.131
201.2.142.132
201.2.142.133
201.2.142.134
201.2.142.135
201.2.142.136
201.2.142.137
201.2.142.138
201.2.142.139
201.2.142.140
201.2.142.141
201.2.142.142
201.2.142.143
… 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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