191.237.69.64/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
191.237.69.64
Broadcast Address
191.237.69.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
191.237.69.65
Last Usable IP
191.237.69.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (191.237.69.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 191.237.69.95 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 191.237.69.64/27
Network Address 191.237.69.64
Broadcast Address 191.237.69.95
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 191.237.69.65
Last Usable IP 191.237.69.94
Network (Hex) 0xBFED4540
Broadcast (Hex) 0xBFED455F
Address Type Public / Globally Routable

Binary Representation

Network Address
10111111.11101101.01000101 10111111.11101101.01000101.01000000
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
191.237.69.64/28 191.237.69.64 191.237.69.79 191.237.69.65 191.237.69.78 14
191.237.69.80/28 191.237.69.80 191.237.69.95 191.237.69.81 191.237.69.94 14

IP Address Sample

Showing first 16 of 32 total IPs.

191.237.69.64 net
191.237.69.65
191.237.69.66
191.237.69.67
191.237.69.68
191.237.69.69
191.237.69.70
191.237.69.71
191.237.69.72
191.237.69.73
191.237.69.74
191.237.69.75
191.237.69.76
191.237.69.77
191.237.69.78
191.237.69.79
… 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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