159.142.122.64/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
159.142.122.64
Broadcast Address
159.142.122.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
159.142.122.65
Last Usable IP
159.142.122.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (159.142.122.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 159.142.122.95 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 159.142.122.64/27
Network Address 159.142.122.64
Broadcast Address 159.142.122.95
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 159.142.122.65
Last Usable IP 159.142.122.94
Network (Hex) 0x9F8E7A40
Broadcast (Hex) 0x9F8E7A5F
Address Type Public / Globally Routable

Binary Representation

Network Address
10011111.10001110.01111010 10011111.10001110.01111010.01000000
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 159.142.122.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 159.142.122.64/28 159.142.122.64 159.142.122.65 159.142.122.78 159.142.122.79 14
2 159.142.122.80/28 159.142.122.80 159.142.122.81 159.142.122.94 159.142.122.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

159.142.122.64 net
159.142.122.65
159.142.122.66
159.142.122.67
159.142.122.68
159.142.122.69
159.142.122.70
159.142.122.71
159.142.122.72
159.142.122.73
159.142.122.74
159.142.122.75
159.142.122.76
159.142.122.77
159.142.122.78
159.142.122.79
… 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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