192.75.72.64/27

Public

Class C — /27 prefix — 30 usable hosts

Network Address
192.75.72.64
Broadcast Address
192.75.72.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
192.75.72.65
Last Usable IP
192.75.72.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (192.75.72.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 192.75.72.95 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 192.75.72.64/27
Network Address 192.75.72.64
Broadcast Address 192.75.72.95
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class C
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 192.75.72.65
Last Usable IP 192.75.72.94
Network (Hex) 0xC04B4840
Broadcast (Hex) 0xC04B485F
Address Type Public / Globally Routable

Binary Representation

Network Address
11000000.01001011.01001000 11000000.01001011.01001000.01000000
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.

Subnet Breakdown — splitting into /28

This /27 block can be divided into 2 /28 subnets.

CIDR Network Broadcast First Usable Last Usable Hosts
192.75.72.64/28 192.75.72.64 192.75.72.79 192.75.72.65 192.75.72.78 14
192.75.72.80/28 192.75.72.80 192.75.72.95 192.75.72.81 192.75.72.94 14

IP Address Sample

Showing first 16 of 32 total IPs.

192.75.72.64 net
192.75.72.65
192.75.72.66
192.75.72.67
192.75.72.68
192.75.72.69
192.75.72.70
192.75.72.71
192.75.72.72
192.75.72.73
192.75.72.74
192.75.72.75
192.75.72.76
192.75.72.77
192.75.72.78
192.75.72.79
… 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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