222.168.101.64/27

Public

Class C — /27 prefix — 30 usable hosts

Network Address
222.168.101.64
Broadcast Address
222.168.101.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
222.168.101.65
Last Usable IP
222.168.101.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (222.168.101.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 222.168.101.95 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 222.168.101.64/27
Network Address 222.168.101.64
Broadcast Address 222.168.101.95
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 222.168.101.65
Last Usable IP 222.168.101.94
Network (Hex) 0xDEA86540
Broadcast (Hex) 0xDEA8655F
Address Type Public / Globally Routable

Binary Representation

Network Address
11011110.10101000.01100101 11011110.10101000.01100101.01000000
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 222.168.101.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 222.168.101.64/28 222.168.101.64 222.168.101.65 222.168.101.78 222.168.101.79 14
2 222.168.101.80/28 222.168.101.80 222.168.101.81 222.168.101.94 222.168.101.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

222.168.101.64 net
222.168.101.65
222.168.101.66
222.168.101.67
222.168.101.68
222.168.101.69
222.168.101.70
222.168.101.71
222.168.101.72
222.168.101.73
222.168.101.74
222.168.101.75
222.168.101.76
222.168.101.77
222.168.101.78
222.168.101.79
… 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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