203.227.145.0/27

Public

Class C — /27 prefix — 30 usable hosts

Network Address
203.227.145.0
Broadcast Address
203.227.145.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
203.227.145.1
Last Usable IP
203.227.145.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (203.227.145.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 203.227.145.31 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 203.227.145.0/27
Network Address 203.227.145.0
Broadcast Address 203.227.145.31
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 203.227.145.1
Last Usable IP 203.227.145.30
Network (Hex) 0xCBE39100
Broadcast (Hex) 0xCBE3911F
Address Type Public / Globally Routable

Binary Representation

Network Address
11001011.11100011.10010001 11001011.11100011.10010001.00000000
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 203.227.145.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 203.227.145.0/28 203.227.145.0 203.227.145.1 203.227.145.14 203.227.145.15 14
2 203.227.145.16/28 203.227.145.16 203.227.145.17 203.227.145.30 203.227.145.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

203.227.145.0 net
203.227.145.1
203.227.145.2
203.227.145.3
203.227.145.4
203.227.145.5
203.227.145.6
203.227.145.7
203.227.145.8
203.227.145.9
203.227.145.10
203.227.145.11
203.227.145.12
203.227.145.13
203.227.145.14
203.227.145.15
… 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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