162.81.59.64/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
162.81.59.64
Broadcast Address
162.81.59.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
162.81.59.65
Last Usable IP
162.81.59.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (162.81.59.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 162.81.59.95 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 162.81.59.64/27
Network Address 162.81.59.64
Broadcast Address 162.81.59.95
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 162.81.59.65
Last Usable IP 162.81.59.94
Network (Hex) 0xA2513B40
Broadcast (Hex) 0xA2513B5F
Address Type Public / Globally Routable

Binary Representation

Network Address
10100010.01010001.00111011 10100010.01010001.00111011.01000000
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 162.81.59.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 162.81.59.64/28 162.81.59.64 162.81.59.65 162.81.59.78 162.81.59.79 14
2 162.81.59.80/28 162.81.59.80 162.81.59.81 162.81.59.94 162.81.59.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

162.81.59.64 net
162.81.59.65
162.81.59.66
162.81.59.67
162.81.59.68
162.81.59.69
162.81.59.70
162.81.59.71
162.81.59.72
162.81.59.73
162.81.59.74
162.81.59.75
162.81.59.76
162.81.59.77
162.81.59.78
162.81.59.79
… 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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