28.84.194.64/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
28.84.194.64
Broadcast Address
28.84.194.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
28.84.194.65
Last Usable IP
28.84.194.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (28.84.194.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 28.84.194.95 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 28.84.194.64/27
Network Address 28.84.194.64
Broadcast Address 28.84.194.95
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class A
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 28.84.194.65
Last Usable IP 28.84.194.94
Network (Hex) 0x1C54C240
Broadcast (Hex) 0x1C54C25F
Address Type Public / Globally Routable

Binary Representation

Network Address
00011100.01010100.11000010 00011100.01010100.11000010.01000000
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 28.84.194.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 28.84.194.64/28 28.84.194.64 28.84.194.65 28.84.194.78 28.84.194.79 14
2 28.84.194.80/28 28.84.194.80 28.84.194.81 28.84.194.94 28.84.194.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

28.84.194.64 net
28.84.194.65
28.84.194.66
28.84.194.67
28.84.194.68
28.84.194.69
28.84.194.70
28.84.194.71
28.84.194.72
28.84.194.73
28.84.194.74
28.84.194.75
28.84.194.76
28.84.194.77
28.84.194.78
28.84.194.79
… 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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