172.13.54.64/26

Public

Class B — /26 prefix — 62 usable hosts

Network Address
172.13.54.64
Broadcast Address
172.13.54.127
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
172.13.54.65
Last Usable IP
172.13.54.126
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (172.13.54.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 172.13.54.127 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 172.13.54.64/26
Network Address 172.13.54.64
Broadcast Address 172.13.54.127
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 172.13.54.65
Last Usable IP 172.13.54.126
Network (Hex) 0xAC0D3640
Broadcast (Hex) 0xAC0D367F
Address Type Public / Globally Routable

Binary Representation

Network Address
10101100.00001101.00110110 10101100.00001101.00110110.01000000
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.

Split into Equal Subnets

Split 172.13.54.64/26 into 2 equal /27 subnets (30 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 172.13.54.64/27 172.13.54.64 172.13.54.65 172.13.54.94 172.13.54.95 30
2 172.13.54.96/27 172.13.54.96 172.13.54.97 172.13.54.126 172.13.54.127 30

IP Address Sample

Showing first 16 of 64 total IPs.

172.13.54.64 net
172.13.54.65
172.13.54.66
172.13.54.67
172.13.54.68
172.13.54.69
172.13.54.70
172.13.54.71
172.13.54.72
172.13.54.73
172.13.54.74
172.13.54.75
172.13.54.76
172.13.54.77
172.13.54.78
172.13.54.79
… 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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