159.143.3.0/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
159.143.3.0
Broadcast Address
159.143.3.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
159.143.3.1
Last Usable IP
159.143.3.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (159.143.3.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 159.143.3.31 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 159.143.3.0/27
Network Address 159.143.3.0
Broadcast Address 159.143.3.31
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 159.143.3.1
Last Usable IP 159.143.3.30
Network (Hex) 0x9F8F0300
Broadcast (Hex) 0x9F8F031F
Address Type Public / Globally Routable

Binary Representation

Network Address
10011111.10001111.00000011 10011111.10001111.00000011.00000000
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.

Split into Equal Subnets

Split 159.143.3.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 159.143.3.0/28 159.143.3.0 159.143.3.1 159.143.3.14 159.143.3.15 14
2 159.143.3.16/28 159.143.3.16 159.143.3.17 159.143.3.30 159.143.3.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

159.143.3.0 net
159.143.3.1
159.143.3.2
159.143.3.3
159.143.3.4
159.143.3.5
159.143.3.6
159.143.3.7
159.143.3.8
159.143.3.9
159.143.3.10
159.143.3.11
159.143.3.12
159.143.3.13
159.143.3.14
159.143.3.15
… 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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