169.72.54.64/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
169.72.54.64
Broadcast Address
169.72.54.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
169.72.54.65
Last Usable IP
169.72.54.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (169.72.54.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 169.72.54.95 are delivered to every device in the subnet. Also reserved — not assignable.

Usable hosts — the 30 addresses between those two that you can assign to servers, VMs, or interfaces.

Subnet mask255.255.255.224 is the dotted-decimal equivalent of /27. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 169.72.54.64/27
Network Address 169.72.54.64
Broadcast Address 169.72.54.95
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class B
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 169.72.54.65
Last Usable IP 169.72.54.94
Network (Hex) 0xA9483640
Broadcast (Hex) 0xA948365F
Address Type Public / Globally Routable

Binary Representation

Network Address
10101001.01001000.00110110 10101001.01001000.00110110.01000000
Subnet Mask
11111111.11111111.11111111.11100000

The first 27 bits (1s in the mask) identify the network. The remaining 5 bits identify hosts within the network.

Split into Equal Subnets

Split 169.72.54.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 169.72.54.64/28 169.72.54.64 169.72.54.65 169.72.54.78 169.72.54.79 14
2 169.72.54.80/28 169.72.54.80 169.72.54.81 169.72.54.94 169.72.54.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

169.72.54.64 net
169.72.54.65
169.72.54.66
169.72.54.67
169.72.54.68
169.72.54.69
169.72.54.70
169.72.54.71
169.72.54.72
169.72.54.73
169.72.54.74
169.72.54.75
169.72.54.76
169.72.54.77
169.72.54.78
169.72.54.79
… 16 more IPs …

/27 Subnet Reference

Total IPs 32
Usable Hosts 30
Subnet Mask 255.255.255.224
Wildcard 0.0.0.31

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