192.181.0.0/27

Public

Class C — /27 prefix — 30 usable hosts

Network Address
192.181.0.0
Broadcast Address
192.181.0.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
192.181.0.1
Last Usable IP
192.181.0.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (192.181.0.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 192.181.0.31 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 192.181.0.0/27
Network Address 192.181.0.0
Broadcast Address 192.181.0.31
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 192.181.0.1
Last Usable IP 192.181.0.30
Network (Hex) 0xC0B50000
Broadcast (Hex) 0xC0B5001F
Address Type Public / Globally Routable

Binary Representation

Network Address
11000000.10110101.00000000 11000000.10110101.00000000.00000000
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 192.181.0.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 192.181.0.0/28 192.181.0.0 192.181.0.1 192.181.0.14 192.181.0.15 14
2 192.181.0.16/28 192.181.0.16 192.181.0.17 192.181.0.30 192.181.0.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

192.181.0.0 net
192.181.0.1
192.181.0.2
192.181.0.3
192.181.0.4
192.181.0.5
192.181.0.6
192.181.0.7
192.181.0.8
192.181.0.9
192.181.0.10
192.181.0.11
192.181.0.12
192.181.0.13
192.181.0.14
192.181.0.15
… 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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