156.4.2.32/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
156.4.2.32
Broadcast Address
156.4.2.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
156.4.2.33
Last Usable IP
156.4.2.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (156.4.2.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 156.4.2.63 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 156.4.2.32/27
Network Address 156.4.2.32
Broadcast Address 156.4.2.63
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 156.4.2.33
Last Usable IP 156.4.2.62
Network (Hex) 0x9C040220
Broadcast (Hex) 0x9C04023F
Address Type Public / Globally Routable

Binary Representation

Network Address
10011100.00000100.00000010 10011100.00000100.00000010.00100000
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 156.4.2.32/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 156.4.2.32/28 156.4.2.32 156.4.2.33 156.4.2.46 156.4.2.47 14
2 156.4.2.48/28 156.4.2.48 156.4.2.49 156.4.2.62 156.4.2.63 14

IP Address Sample

Showing first 16 of 32 total IPs.

156.4.2.32 net
156.4.2.33
156.4.2.34
156.4.2.35
156.4.2.36
156.4.2.37
156.4.2.38
156.4.2.39
156.4.2.40
156.4.2.41
156.4.2.42
156.4.2.43
156.4.2.44
156.4.2.45
156.4.2.46
156.4.2.47
… 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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