178.10.204.64/26

Public

Class B — /26 prefix — 62 usable hosts

Network Address
178.10.204.64
Broadcast Address
178.10.204.127
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
178.10.204.65
Last Usable IP
178.10.204.126
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (178.10.204.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 178.10.204.127 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 178.10.204.64/26
Network Address 178.10.204.64
Broadcast Address 178.10.204.127
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 178.10.204.65
Last Usable IP 178.10.204.126
Network (Hex) 0xB20ACC40
Broadcast (Hex) 0xB20ACC7F
Address Type Public / Globally Routable

Binary Representation

Network Address
10110010.00001010.11001100 10110010.00001010.11001100.01000000
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 178.10.204.64/26 into 2 equal /27 subnets (30 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 178.10.204.64/27 178.10.204.64 178.10.204.65 178.10.204.94 178.10.204.95 30
2 178.10.204.96/27 178.10.204.96 178.10.204.97 178.10.204.126 178.10.204.127 30

IP Address Sample

Showing first 16 of 64 total IPs.

178.10.204.64 net
178.10.204.65
178.10.204.66
178.10.204.67
178.10.204.68
178.10.204.69
178.10.204.70
178.10.204.71
178.10.204.72
178.10.204.73
178.10.204.74
178.10.204.75
178.10.204.76
178.10.204.77
178.10.204.78
178.10.204.79
… 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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