131.100.228.32/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
131.100.228.32
Broadcast Address
131.100.228.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
131.100.228.33
Last Usable IP
131.100.228.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (131.100.228.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 131.100.228.63 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 131.100.228.32/27
Network Address 131.100.228.32
Broadcast Address 131.100.228.63
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 131.100.228.33
Last Usable IP 131.100.228.62
Network (Hex) 0x8364E420
Broadcast (Hex) 0x8364E43F
Address Type Public / Globally Routable

Binary Representation

Network Address
10000011.01100100.11100100 10000011.01100100.11100100.00100000
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 131.100.228.32/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 131.100.228.32/28 131.100.228.32 131.100.228.33 131.100.228.46 131.100.228.47 14
2 131.100.228.48/28 131.100.228.48 131.100.228.49 131.100.228.62 131.100.228.63 14

IP Address Sample

Showing first 16 of 32 total IPs.

131.100.228.32 net
131.100.228.33
131.100.228.34
131.100.228.35
131.100.228.36
131.100.228.37
131.100.228.38
131.100.228.39
131.100.228.40
131.100.228.41
131.100.228.42
131.100.228.43
131.100.228.44
131.100.228.45
131.100.228.46
131.100.228.47
… 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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