198.23.90.64/27

Public

Class C — /27 prefix — 30 usable hosts

Network Address
198.23.90.64
Broadcast Address
198.23.90.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
198.23.90.65
Last Usable IP
198.23.90.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (198.23.90.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 198.23.90.95 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 198.23.90.64/27
Network Address 198.23.90.64
Broadcast Address 198.23.90.95
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class C
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 198.23.90.65
Last Usable IP 198.23.90.94
Network (Hex) 0xC6175A40
Broadcast (Hex) 0xC6175A5F
Address Type Public / Globally Routable

Binary Representation

Network Address
11000110.00010111.01011010 11000110.00010111.01011010.01000000
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 198.23.90.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 198.23.90.64/28 198.23.90.64 198.23.90.65 198.23.90.78 198.23.90.79 14
2 198.23.90.80/28 198.23.90.80 198.23.90.81 198.23.90.94 198.23.90.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

198.23.90.64 net
198.23.90.65
198.23.90.66
198.23.90.67
198.23.90.68
198.23.90.69
198.23.90.70
198.23.90.71
198.23.90.72
198.23.90.73
198.23.90.74
198.23.90.75
198.23.90.76
198.23.90.77
198.23.90.78
198.23.90.79
… 16 more IPs …

/27 Subnet Reference

Total IPs 32
Usable Hosts 30
Subnet Mask 255.255.255.224
Wildcard 0.0.0.31

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