185.28.250.0/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
185.28.250.0
Broadcast Address
185.28.250.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
185.28.250.1
Last Usable IP
185.28.250.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (185.28.250.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 185.28.250.31 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 185.28.250.0/27
Network Address 185.28.250.0
Broadcast Address 185.28.250.31
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 185.28.250.1
Last Usable IP 185.28.250.30
Network (Hex) 0xB91CFA00
Broadcast (Hex) 0xB91CFA1F
Address Type Public / Globally Routable

Binary Representation

Network Address
10111001.00011100.11111010 10111001.00011100.11111010.00000000
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 185.28.250.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 185.28.250.0/28 185.28.250.0 185.28.250.1 185.28.250.14 185.28.250.15 14
2 185.28.250.16/28 185.28.250.16 185.28.250.17 185.28.250.30 185.28.250.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

185.28.250.0 net
185.28.250.1
185.28.250.2
185.28.250.3
185.28.250.4
185.28.250.5
185.28.250.6
185.28.250.7
185.28.250.8
185.28.250.9
185.28.250.10
185.28.250.11
185.28.250.12
185.28.250.13
185.28.250.14
185.28.250.15
… 16 more IPs …

/27 Subnet Reference

Total IPs 32
Usable Hosts 30
Subnet Mask 255.255.255.224
Wildcard 0.0.0.31

Calculate Another