178.154.78.64/26

Public

Class B — /26 prefix — 62 usable hosts

Network Address
178.154.78.64
Broadcast Address
178.154.78.127
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
178.154.78.65
Last Usable IP
178.154.78.126
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (178.154.78.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 178.154.78.127 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 178.154.78.64/26
Network Address 178.154.78.64
Broadcast Address 178.154.78.127
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 178.154.78.65
Last Usable IP 178.154.78.126
Network (Hex) 0xB29A4E40
Broadcast (Hex) 0xB29A4E7F
Address Type Public / Globally Routable

Binary Representation

Network Address
10110010.10011010.01001110 10110010.10011010.01001110.01000000
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 178.154.78.64/26 into 2 equal /27 subnets (30 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 178.154.78.64/27 178.154.78.64 178.154.78.65 178.154.78.94 178.154.78.95 30
2 178.154.78.96/27 178.154.78.96 178.154.78.97 178.154.78.126 178.154.78.127 30

IP Address Sample

Showing first 16 of 64 total IPs.

178.154.78.64 net
178.154.78.65
178.154.78.66
178.154.78.67
178.154.78.68
178.154.78.69
178.154.78.70
178.154.78.71
178.154.78.72
178.154.78.73
178.154.78.74
178.154.78.75
178.154.78.76
178.154.78.77
178.154.78.78
178.154.78.79
… 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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