194.91.20.64/27

Public

Class C — /27 prefix — 30 usable hosts

Network Address
194.91.20.64
Broadcast Address
194.91.20.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
194.91.20.65
Last Usable IP
194.91.20.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (194.91.20.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 194.91.20.95 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 194.91.20.64/27
Network Address 194.91.20.64
Broadcast Address 194.91.20.95
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 194.91.20.65
Last Usable IP 194.91.20.94
Network (Hex) 0xC25B1440
Broadcast (Hex) 0xC25B145F
Address Type Public / Globally Routable

Binary Representation

Network Address
11000010.01011011.00010100 11000010.01011011.00010100.01000000
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 194.91.20.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 194.91.20.64/28 194.91.20.64 194.91.20.65 194.91.20.78 194.91.20.79 14
2 194.91.20.80/28 194.91.20.80 194.91.20.81 194.91.20.94 194.91.20.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

194.91.20.64 net
194.91.20.65
194.91.20.66
194.91.20.67
194.91.20.68
194.91.20.69
194.91.20.70
194.91.20.71
194.91.20.72
194.91.20.73
194.91.20.74
194.91.20.75
194.91.20.76
194.91.20.77
194.91.20.78
194.91.20.79
… 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