171.240.99.32/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
171.240.99.32
Broadcast Address
171.240.99.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
171.240.99.33
Last Usable IP
171.240.99.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (171.240.99.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 171.240.99.63 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 171.240.99.32/27
Network Address 171.240.99.32
Broadcast Address 171.240.99.63
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 171.240.99.33
Last Usable IP 171.240.99.62
Network (Hex) 0xABF06320
Broadcast (Hex) 0xABF0633F
Address Type Public / Globally Routable

Binary Representation

Network Address
10101011.11110000.01100011 10101011.11110000.01100011.00100000
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 171.240.99.32/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 171.240.99.32/28 171.240.99.32 171.240.99.33 171.240.99.46 171.240.99.47 14
2 171.240.99.48/28 171.240.99.48 171.240.99.49 171.240.99.62 171.240.99.63 14

IP Address Sample

Showing first 16 of 32 total IPs.

171.240.99.32 net
171.240.99.33
171.240.99.34
171.240.99.35
171.240.99.36
171.240.99.37
171.240.99.38
171.240.99.39
171.240.99.40
171.240.99.41
171.240.99.42
171.240.99.43
171.240.99.44
171.240.99.45
171.240.99.46
171.240.99.47
… 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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