191.237.80.64/26

Public

Class B — /26 prefix — 62 usable hosts

Network Address
191.237.80.64
Broadcast Address
191.237.80.127
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
191.237.80.65
Last Usable IP
191.237.80.126
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (191.237.80.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 191.237.80.127 are delivered to every device in the subnet. Also reserved — not assignable.

Usable hosts — the 62 addresses between those two that you can assign to servers, VMs, or interfaces.

Subnet mask255.255.255.192 is the dotted-decimal equivalent of /26. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 191.237.80.64/26
Network Address 191.237.80.64
Broadcast Address 191.237.80.127
Subnet Mask 255.255.255.192
Wildcard Mask 0.0.0.63
Prefix Length /26
IP Address Class Class B
Total IP Addresses 64
Usable Host Addresses 62
First Usable IP 191.237.80.65
Last Usable IP 191.237.80.126
Network (Hex) 0xBFED5040
Broadcast (Hex) 0xBFED507F
Address Type Public / Globally Routable

Binary Representation

Network Address
10111111.11101101.01010000 10111111.11101101.01010000.01000000
Subnet Mask
11111111.11111111.11111111.11000000

The first 26 bits (1s in the mask) identify the network. The remaining 6 bits identify hosts within the network.

Subnet Breakdown — splitting into /27

This /26 block can be divided into 2 /27 subnets.

CIDR Network Broadcast First Usable Last Usable Hosts
191.237.80.64/27 191.237.80.64 191.237.80.95 191.237.80.65 191.237.80.94 30
191.237.80.96/27 191.237.80.96 191.237.80.127 191.237.80.97 191.237.80.126 30

IP Address Sample

Showing first 16 of 64 total IPs.

191.237.80.64 net
191.237.80.65
191.237.80.66
191.237.80.67
191.237.80.68
191.237.80.69
191.237.80.70
191.237.80.71
191.237.80.72
191.237.80.73
191.237.80.74
191.237.80.75
191.237.80.76
191.237.80.77
191.237.80.78
191.237.80.79
… 48 more IPs …

/26 Subnet Reference

Total IPs 64
Usable Hosts 62
Subnet Mask 255.255.255.192
Wildcard 0.0.0.63

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