169.198.87.64/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
169.198.87.64
Broadcast Address
169.198.87.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
169.198.87.65
Last Usable IP
169.198.87.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (169.198.87.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 169.198.87.95 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 169.198.87.64/27
Network Address 169.198.87.64
Broadcast Address 169.198.87.95
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 169.198.87.65
Last Usable IP 169.198.87.94
Network (Hex) 0xA9C65740
Broadcast (Hex) 0xA9C6575F
Address Type Public / Globally Routable

Binary Representation

Network Address
10101001.11000110.01010111 10101001.11000110.01010111.01000000
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 169.198.87.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 169.198.87.64/28 169.198.87.64 169.198.87.65 169.198.87.78 169.198.87.79 14
2 169.198.87.80/28 169.198.87.80 169.198.87.81 169.198.87.94 169.198.87.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

169.198.87.64 net
169.198.87.65
169.198.87.66
169.198.87.67
169.198.87.68
169.198.87.69
169.198.87.70
169.198.87.71
169.198.87.72
169.198.87.73
169.198.87.74
169.198.87.75
169.198.87.76
169.198.87.77
169.198.87.78
169.198.87.79
… 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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