15.159.71.0/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
15.159.71.0
Broadcast Address
15.159.71.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
15.159.71.1
Last Usable IP
15.159.71.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (15.159.71.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 15.159.71.31 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 15.159.71.0/27
Network Address 15.159.71.0
Broadcast Address 15.159.71.31
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class A
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 15.159.71.1
Last Usable IP 15.159.71.30
Network (Hex) 0x0F9F4700
Broadcast (Hex) 0x0F9F471F
Address Type Public / Globally Routable

Binary Representation

Network Address
00001111.10011111.01000111 00001111.10011111.01000111.00000000
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
15.159.71.0/28 15.159.71.0 15.159.71.15 15.159.71.1 15.159.71.14 14
15.159.71.16/28 15.159.71.16 15.159.71.31 15.159.71.17 15.159.71.30 14

IP Address Sample

Showing first 16 of 32 total IPs.

15.159.71.0 net
15.159.71.1
15.159.71.2
15.159.71.3
15.159.71.4
15.159.71.5
15.159.71.6
15.159.71.7
15.159.71.8
15.159.71.9
15.159.71.10
15.159.71.11
15.159.71.12
15.159.71.13
15.159.71.14
15.159.71.15
… 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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