169.87.17.32/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
169.87.17.32
Broadcast Address
169.87.17.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
169.87.17.33
Last Usable IP
169.87.17.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (169.87.17.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 169.87.17.63 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 169.87.17.32/27
Network Address 169.87.17.32
Broadcast Address 169.87.17.63
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 169.87.17.33
Last Usable IP 169.87.17.62
Network (Hex) 0xA9571120
Broadcast (Hex) 0xA957113F
Address Type Public / Globally Routable

Binary Representation

Network Address
10101001.01010111.00010001 10101001.01010111.00010001.00100000
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 169.87.17.32/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 169.87.17.32/28 169.87.17.32 169.87.17.33 169.87.17.46 169.87.17.47 14
2 169.87.17.48/28 169.87.17.48 169.87.17.49 169.87.17.62 169.87.17.63 14

IP Address Sample

Showing first 16 of 32 total IPs.

169.87.17.32 net
169.87.17.33
169.87.17.34
169.87.17.35
169.87.17.36
169.87.17.37
169.87.17.38
169.87.17.39
169.87.17.40
169.87.17.41
169.87.17.42
169.87.17.43
169.87.17.44
169.87.17.45
169.87.17.46
169.87.17.47
… 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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