16.18.64.64/26

Public

Class A — /26 prefix — 62 usable hosts

Network Address
16.18.64.64
Broadcast Address
16.18.64.127
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
16.18.64.65
Last Usable IP
16.18.64.126
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (16.18.64.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 16.18.64.127 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 16.18.64.64/26
Network Address 16.18.64.64
Broadcast Address 16.18.64.127
Subnet Mask 255.255.255.192
Wildcard Mask 0.0.0.63
Prefix Length /26
IP Address Class Class A
Total IP Addresses 64
Usable Host Addresses 62
First Usable IP 16.18.64.65
Last Usable IP 16.18.64.126
Network (Hex) 0x10124040
Broadcast (Hex) 0x1012407F
Address Type Public / Globally Routable

Binary Representation

Network Address
00010000.00010010.01000000 00010000.00010010.01000000.01000000
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 16.18.64.64/26 into 2 equal /27 subnets (30 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 16.18.64.64/27 16.18.64.64 16.18.64.65 16.18.64.94 16.18.64.95 30
2 16.18.64.96/27 16.18.64.96 16.18.64.97 16.18.64.126 16.18.64.127 30

IP Address Sample

Showing first 16 of 64 total IPs.

16.18.64.64 net
16.18.64.65
16.18.64.66
16.18.64.67
16.18.64.68
16.18.64.69
16.18.64.70
16.18.64.71
16.18.64.72
16.18.64.73
16.18.64.74
16.18.64.75
16.18.64.76
16.18.64.77
16.18.64.78
16.18.64.79
… 48 more IPs …

/26 Subnet Reference

Total IPs 64
Usable Hosts 62
Subnet Mask 255.255.255.192
Wildcard 0.0.0.63

Calculate Another