140.151.4.32/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
140.151.4.32
Broadcast Address
140.151.4.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
140.151.4.33
Last Usable IP
140.151.4.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (140.151.4.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 140.151.4.63 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 140.151.4.32/27
Network Address 140.151.4.32
Broadcast Address 140.151.4.63
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 140.151.4.33
Last Usable IP 140.151.4.62
Network (Hex) 0x8C970420
Broadcast (Hex) 0x8C97043F
Address Type Public / Globally Routable

Binary Representation

Network Address
10001100.10010111.00000100 10001100.10010111.00000100.00100000
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 140.151.4.32/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 140.151.4.32/28 140.151.4.32 140.151.4.33 140.151.4.46 140.151.4.47 14
2 140.151.4.48/28 140.151.4.48 140.151.4.49 140.151.4.62 140.151.4.63 14

IP Address Sample

Showing first 16 of 32 total IPs.

140.151.4.32 net
140.151.4.33
140.151.4.34
140.151.4.35
140.151.4.36
140.151.4.37
140.151.4.38
140.151.4.39
140.151.4.40
140.151.4.41
140.151.4.42
140.151.4.43
140.151.4.44
140.151.4.45
140.151.4.46
140.151.4.47
… 16 more IPs …

/27 Subnet Reference

Total IPs 32
Usable Hosts 30
Subnet Mask 255.255.255.224
Wildcard 0.0.0.31

Calculate Another