185.28.186.0/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
185.28.186.0
Broadcast Address
185.28.186.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
185.28.186.1
Last Usable IP
185.28.186.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (185.28.186.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 185.28.186.31 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 185.28.186.0/27
Network Address 185.28.186.0
Broadcast Address 185.28.186.31
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class B
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 185.28.186.1
Last Usable IP 185.28.186.30
Network (Hex) 0xB91CBA00
Broadcast (Hex) 0xB91CBA1F
Address Type Public / Globally Routable

Binary Representation

Network Address
10111001.00011100.10111010 10111001.00011100.10111010.00000000
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 185.28.186.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 185.28.186.0/28 185.28.186.0 185.28.186.1 185.28.186.14 185.28.186.15 14
2 185.28.186.16/28 185.28.186.16 185.28.186.17 185.28.186.30 185.28.186.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

185.28.186.0 net
185.28.186.1
185.28.186.2
185.28.186.3
185.28.186.4
185.28.186.5
185.28.186.6
185.28.186.7
185.28.186.8
185.28.186.9
185.28.186.10
185.28.186.11
185.28.186.12
185.28.186.13
185.28.186.14
185.28.186.15
… 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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