159.252.121.0/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
159.252.121.0
Broadcast Address
159.252.121.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
159.252.121.1
Last Usable IP
159.252.121.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (159.252.121.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 159.252.121.31 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 159.252.121.0/27
Network Address 159.252.121.0
Broadcast Address 159.252.121.31
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 159.252.121.1
Last Usable IP 159.252.121.30
Network (Hex) 0x9FFC7900
Broadcast (Hex) 0x9FFC791F
Address Type Public / Globally Routable

Binary Representation

Network Address
10011111.11111100.01111001 10011111.11111100.01111001.00000000
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
159.252.121.0/28 159.252.121.0 159.252.121.15 159.252.121.1 159.252.121.14 14
159.252.121.16/28 159.252.121.16 159.252.121.31 159.252.121.17 159.252.121.30 14

IP Address Sample

Showing first 16 of 32 total IPs.

159.252.121.0 net
159.252.121.1
159.252.121.2
159.252.121.3
159.252.121.4
159.252.121.5
159.252.121.6
159.252.121.7
159.252.121.8
159.252.121.9
159.252.121.10
159.252.121.11
159.252.121.12
159.252.121.13
159.252.121.14
159.252.121.15
… 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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