184.198.90.64/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
184.198.90.64
Broadcast Address
184.198.90.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
184.198.90.65
Last Usable IP
184.198.90.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (184.198.90.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 184.198.90.95 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 184.198.90.64/27
Network Address 184.198.90.64
Broadcast Address 184.198.90.95
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 184.198.90.65
Last Usable IP 184.198.90.94
Network (Hex) 0xB8C65A40
Broadcast (Hex) 0xB8C65A5F
Address Type Public / Globally Routable

Binary Representation

Network Address
10111000.11000110.01011010 10111000.11000110.01011010.01000000
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 184.198.90.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 184.198.90.64/28 184.198.90.64 184.198.90.65 184.198.90.78 184.198.90.79 14
2 184.198.90.80/28 184.198.90.80 184.198.90.81 184.198.90.94 184.198.90.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

184.198.90.64 net
184.198.90.65
184.198.90.66
184.198.90.67
184.198.90.68
184.198.90.69
184.198.90.70
184.198.90.71
184.198.90.72
184.198.90.73
184.198.90.74
184.198.90.75
184.198.90.76
184.198.90.77
184.198.90.78
184.198.90.79
… 16 more IPs …

/27 Subnet Reference

Total IPs 32
Usable Hosts 30
Subnet Mask 255.255.255.224
Wildcard 0.0.0.31

Calculate Another