180.163.57.32/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
180.163.57.32
Broadcast Address
180.163.57.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
180.163.57.33
Last Usable IP
180.163.57.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (180.163.57.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 180.163.57.63 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 180.163.57.32/27
Network Address 180.163.57.32
Broadcast Address 180.163.57.63
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 180.163.57.33
Last Usable IP 180.163.57.62
Network (Hex) 0xB4A33920
Broadcast (Hex) 0xB4A3393F
Address Type Public / Globally Routable

Binary Representation

Network Address
10110100.10100011.00111001 10110100.10100011.00111001.00100000
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
180.163.57.32/28 180.163.57.32 180.163.57.47 180.163.57.33 180.163.57.46 14
180.163.57.48/28 180.163.57.48 180.163.57.63 180.163.57.49 180.163.57.62 14

IP Address Sample

Showing first 16 of 32 total IPs.

180.163.57.32 net
180.163.57.33
180.163.57.34
180.163.57.35
180.163.57.36
180.163.57.37
180.163.57.38
180.163.57.39
180.163.57.40
180.163.57.41
180.163.57.42
180.163.57.43
180.163.57.44
180.163.57.45
180.163.57.46
180.163.57.47
… 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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