255.5.64.64/26

Public

Class E (Reserved) — /26 prefix — 62 usable hosts

Network Address
255.5.64.64
Broadcast Address
255.5.64.127
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
255.5.64.65
Last Usable IP
255.5.64.126
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (255.5.64.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 255.5.64.127 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 255.5.64.64/26
Network Address 255.5.64.64
Broadcast Address 255.5.64.127
Subnet Mask 255.255.255.192
Wildcard Mask 0.0.0.63
Prefix Length /26
IP Address Class Class E (Reserved)
Total IP Addresses 64
Usable Host Addresses 62
First Usable IP 255.5.64.65
Last Usable IP 255.5.64.126
Network (Hex) 0xFF054040
Broadcast (Hex) 0xFF05407F
Address Type Public / Globally Routable

Binary Representation

Network Address
11111111.00000101.01000000 11111111.00000101.01000000.01000000
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 255.5.64.64/26 into 2 equal /27 subnets (30 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 255.5.64.64/27 255.5.64.64 255.5.64.65 255.5.64.94 255.5.64.95 30
2 255.5.64.96/27 255.5.64.96 255.5.64.97 255.5.64.126 255.5.64.127 30

IP Address Sample

Showing first 16 of 64 total IPs.

255.5.64.64 net
255.5.64.65
255.5.64.66
255.5.64.67
255.5.64.68
255.5.64.69
255.5.64.70
255.5.64.71
255.5.64.72
255.5.64.73
255.5.64.74
255.5.64.75
255.5.64.76
255.5.64.77
255.5.64.78
255.5.64.79
… 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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