151.3.43.32/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
151.3.43.32
Broadcast Address
151.3.43.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
151.3.43.33
Last Usable IP
151.3.43.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (151.3.43.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 151.3.43.63 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 151.3.43.32/27
Network Address 151.3.43.32
Broadcast Address 151.3.43.63
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 151.3.43.33
Last Usable IP 151.3.43.62
Network (Hex) 0x97032B20
Broadcast (Hex) 0x97032B3F
Address Type Public / Globally Routable

Binary Representation

Network Address
10010111.00000011.00101011 10010111.00000011.00101011.00100000
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 151.3.43.32/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 151.3.43.32/28 151.3.43.32 151.3.43.33 151.3.43.46 151.3.43.47 14
2 151.3.43.48/28 151.3.43.48 151.3.43.49 151.3.43.62 151.3.43.63 14

IP Address Sample

Showing first 16 of 32 total IPs.

151.3.43.32 net
151.3.43.33
151.3.43.34
151.3.43.35
151.3.43.36
151.3.43.37
151.3.43.38
151.3.43.39
151.3.43.40
151.3.43.41
151.3.43.42
151.3.43.43
151.3.43.44
151.3.43.45
151.3.43.46
151.3.43.47
… 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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