15.159.90.32/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
15.159.90.32
Broadcast Address
15.159.90.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
15.159.90.33
Last Usable IP
15.159.90.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (15.159.90.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 15.159.90.63 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 15.159.90.32/27
Network Address 15.159.90.32
Broadcast Address 15.159.90.63
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 15.159.90.33
Last Usable IP 15.159.90.62
Network (Hex) 0x0F9F5A20
Broadcast (Hex) 0x0F9F5A3F
Address Type Public / Globally Routable

Binary Representation

Network Address
00001111.10011111.01011010 00001111.10011111.01011010.00100000
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
15.159.90.32/28 15.159.90.32 15.159.90.47 15.159.90.33 15.159.90.46 14
15.159.90.48/28 15.159.90.48 15.159.90.63 15.159.90.49 15.159.90.62 14

IP Address Sample

Showing first 16 of 32 total IPs.

15.159.90.32 net
15.159.90.33
15.159.90.34
15.159.90.35
15.159.90.36
15.159.90.37
15.159.90.38
15.159.90.39
15.159.90.40
15.159.90.41
15.159.90.42
15.159.90.43
15.159.90.44
15.159.90.45
15.159.90.46
15.159.90.47
… 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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