171.81.95.0/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
171.81.95.0
Broadcast Address
171.81.95.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
171.81.95.1
Last Usable IP
171.81.95.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (171.81.95.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 171.81.95.31 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 171.81.95.0/27
Network Address 171.81.95.0
Broadcast Address 171.81.95.31
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 171.81.95.1
Last Usable IP 171.81.95.30
Network (Hex) 0xAB515F00
Broadcast (Hex) 0xAB515F1F
Address Type Public / Globally Routable

Binary Representation

Network Address
10101011.01010001.01011111 10101011.01010001.01011111.00000000
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 171.81.95.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 171.81.95.0/28 171.81.95.0 171.81.95.1 171.81.95.14 171.81.95.15 14
2 171.81.95.16/28 171.81.95.16 171.81.95.17 171.81.95.30 171.81.95.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

171.81.95.0 net
171.81.95.1
171.81.95.2
171.81.95.3
171.81.95.4
171.81.95.5
171.81.95.6
171.81.95.7
171.81.95.8
171.81.95.9
171.81.95.10
171.81.95.11
171.81.95.12
171.81.95.13
171.81.95.14
171.81.95.15
… 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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