180.237.80.32/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
180.237.80.32
Broadcast Address
180.237.80.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
180.237.80.33
Last Usable IP
180.237.80.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (180.237.80.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 180.237.80.63 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 180.237.80.32/27
Network Address 180.237.80.32
Broadcast Address 180.237.80.63
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 180.237.80.33
Last Usable IP 180.237.80.62
Network (Hex) 0xB4ED5020
Broadcast (Hex) 0xB4ED503F
Address Type Public / Globally Routable

Binary Representation

Network Address
10110100.11101101.01010000 10110100.11101101.01010000.00100000
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.

Split into Equal Subnets

Split 180.237.80.32/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 180.237.80.32/28 180.237.80.32 180.237.80.33 180.237.80.46 180.237.80.47 14
2 180.237.80.48/28 180.237.80.48 180.237.80.49 180.237.80.62 180.237.80.63 14

IP Address Sample

Showing first 16 of 32 total IPs.

180.237.80.32 net
180.237.80.33
180.237.80.34
180.237.80.35
180.237.80.36
180.237.80.37
180.237.80.38
180.237.80.39
180.237.80.40
180.237.80.41
180.237.80.42
180.237.80.43
180.237.80.44
180.237.80.45
180.237.80.46
180.237.80.47
… 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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