171.237.31.96/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
171.237.31.96
Broadcast Address
171.237.31.127
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
171.237.31.97
Last Usable IP
171.237.31.126
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (171.237.31.96). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 171.237.31.127 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 171.237.31.96/27
Network Address 171.237.31.96
Broadcast Address 171.237.31.127
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 171.237.31.97
Last Usable IP 171.237.31.126
Network (Hex) 0xABED1F60
Broadcast (Hex) 0xABED1F7F
Address Type Public / Globally Routable

Binary Representation

Network Address
10101011.11101101.00011111 10101011.11101101.00011111.01100000
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 171.237.31.96/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 171.237.31.96/28 171.237.31.96 171.237.31.97 171.237.31.110 171.237.31.111 14
2 171.237.31.112/28 171.237.31.112 171.237.31.113 171.237.31.126 171.237.31.127 14

IP Address Sample

Showing first 16 of 32 total IPs.

171.237.31.96 net
171.237.31.97
171.237.31.98
171.237.31.99
171.237.31.100
171.237.31.101
171.237.31.102
171.237.31.103
171.237.31.104
171.237.31.105
171.237.31.106
171.237.31.107
171.237.31.108
171.237.31.109
171.237.31.110
171.237.31.111
… 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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