166.116.9.64/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
166.116.9.64
Broadcast Address
166.116.9.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
166.116.9.65
Last Usable IP
166.116.9.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (166.116.9.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 166.116.9.95 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 166.116.9.64/27
Network Address 166.116.9.64
Broadcast Address 166.116.9.95
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 166.116.9.65
Last Usable IP 166.116.9.94
Network (Hex) 0xA6740940
Broadcast (Hex) 0xA674095F
Address Type Public / Globally Routable

Binary Representation

Network Address
10100110.01110100.00001001 10100110.01110100.00001001.01000000
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
166.116.9.64/28 166.116.9.64 166.116.9.79 166.116.9.65 166.116.9.78 14
166.116.9.80/28 166.116.9.80 166.116.9.95 166.116.9.81 166.116.9.94 14

IP Address Sample

Showing first 16 of 32 total IPs.

166.116.9.64 net
166.116.9.65
166.116.9.66
166.116.9.67
166.116.9.68
166.116.9.69
166.116.9.70
166.116.9.71
166.116.9.72
166.116.9.73
166.116.9.74
166.116.9.75
166.116.9.76
166.116.9.77
166.116.9.78
166.116.9.79
… 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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