203.10.36.0/27

Public

Class C — /27 prefix — 30 usable hosts

Network Address
203.10.36.0
Broadcast Address
203.10.36.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
203.10.36.1
Last Usable IP
203.10.36.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (203.10.36.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 203.10.36.31 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 203.10.36.0/27
Network Address 203.10.36.0
Broadcast Address 203.10.36.31
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 203.10.36.1
Last Usable IP 203.10.36.30
Network (Hex) 0xCB0A2400
Broadcast (Hex) 0xCB0A241F
Address Type Public / Globally Routable

Binary Representation

Network Address
11001011.00001010.00100100 11001011.00001010.00100100.00000000
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 203.10.36.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 203.10.36.0/28 203.10.36.0 203.10.36.1 203.10.36.14 203.10.36.15 14
2 203.10.36.16/28 203.10.36.16 203.10.36.17 203.10.36.30 203.10.36.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

203.10.36.0 net
203.10.36.1
203.10.36.2
203.10.36.3
203.10.36.4
203.10.36.5
203.10.36.6
203.10.36.7
203.10.36.8
203.10.36.9
203.10.36.10
203.10.36.11
203.10.36.12
203.10.36.13
203.10.36.14
203.10.36.15
… 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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