178.54.101.64/26

Public

Class B — /26 prefix — 62 usable hosts

Network Address
178.54.101.64
Broadcast Address
178.54.101.127
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
178.54.101.65
Last Usable IP
178.54.101.126
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (178.54.101.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 178.54.101.127 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 178.54.101.64/26
Network Address 178.54.101.64
Broadcast Address 178.54.101.127
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 178.54.101.65
Last Usable IP 178.54.101.126
Network (Hex) 0xB2366540
Broadcast (Hex) 0xB236657F
Address Type Public / Globally Routable

Binary Representation

Network Address
10110010.00110110.01100101 10110010.00110110.01100101.01000000
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 178.54.101.64/26 into 2 equal /27 subnets (30 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 178.54.101.64/27 178.54.101.64 178.54.101.65 178.54.101.94 178.54.101.95 30
2 178.54.101.96/27 178.54.101.96 178.54.101.97 178.54.101.126 178.54.101.127 30

IP Address Sample

Showing first 16 of 64 total IPs.

178.54.101.64 net
178.54.101.65
178.54.101.66
178.54.101.67
178.54.101.68
178.54.101.69
178.54.101.70
178.54.101.71
178.54.101.72
178.54.101.73
178.54.101.74
178.54.101.75
178.54.101.76
178.54.101.77
178.54.101.78
178.54.101.79
… 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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