191.237.213.224/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
191.237.213.224
Broadcast Address
191.237.213.255
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
191.237.213.225
Last Usable IP
191.237.213.254
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (191.237.213.224). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 191.237.213.255 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 191.237.213.224/27
Network Address 191.237.213.224
Broadcast Address 191.237.213.255
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 191.237.213.225
Last Usable IP 191.237.213.254
Network (Hex) 0xBFEDD5E0
Broadcast (Hex) 0xBFEDD5FF
Address Type Public / Globally Routable

Binary Representation

Network Address
10111111.11101101.11010101 10111111.11101101.11010101.11100000
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.

Subnet Breakdown — splitting into /28

This /27 block can be divided into 2 /28 subnets.

CIDR Network Broadcast First Usable Last Usable Hosts
191.237.213.224/28 191.237.213.224 191.237.213.239 191.237.213.225 191.237.213.238 14
191.237.213.240/28 191.237.213.240 191.237.213.255 191.237.213.241 191.237.213.254 14

IP Address Sample

Showing first 16 of 32 total IPs.

191.237.213.224 net
191.237.213.225
191.237.213.226
191.237.213.227
191.237.213.228
191.237.213.229
191.237.213.230
191.237.213.231
191.237.213.232
191.237.213.233
191.237.213.234
191.237.213.235
191.237.213.236
191.237.213.237
191.237.213.238
191.237.213.239
… 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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