192.166.33.64/27

Public

Class C — /27 prefix — 30 usable hosts

Network Address
192.166.33.64
Broadcast Address
192.166.33.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
192.166.33.65
Last Usable IP
192.166.33.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (192.166.33.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 192.166.33.95 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 192.166.33.64/27
Network Address 192.166.33.64
Broadcast Address 192.166.33.95
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 192.166.33.65
Last Usable IP 192.166.33.94
Network (Hex) 0xC0A62140
Broadcast (Hex) 0xC0A6215F
Address Type Public / Globally Routable

Binary Representation

Network Address
11000000.10100110.00100001 11000000.10100110.00100001.01000000
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
192.166.33.64/28 192.166.33.64 192.166.33.79 192.166.33.65 192.166.33.78 14
192.166.33.80/28 192.166.33.80 192.166.33.95 192.166.33.81 192.166.33.94 14

IP Address Sample

Showing first 16 of 32 total IPs.

192.166.33.64 net
192.166.33.65
192.166.33.66
192.166.33.67
192.166.33.68
192.166.33.69
192.166.33.70
192.166.33.71
192.166.33.72
192.166.33.73
192.166.33.74
192.166.33.75
192.166.33.76
192.166.33.77
192.166.33.78
192.166.33.79
… 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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