104.52.81.64/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
104.52.81.64
Broadcast Address
104.52.81.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
104.52.81.65
Last Usable IP
104.52.81.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (104.52.81.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 104.52.81.95 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 104.52.81.64/27
Network Address 104.52.81.64
Broadcast Address 104.52.81.95
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 104.52.81.65
Last Usable IP 104.52.81.94
Network (Hex) 0x68345140
Broadcast (Hex) 0x6834515F
Address Type Public / Globally Routable

Binary Representation

Network Address
01101000.00110100.01010001 01101000.00110100.01010001.01000000
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 104.52.81.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 104.52.81.64/28 104.52.81.64 104.52.81.65 104.52.81.78 104.52.81.79 14
2 104.52.81.80/28 104.52.81.80 104.52.81.81 104.52.81.94 104.52.81.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

104.52.81.64 net
104.52.81.65
104.52.81.66
104.52.81.67
104.52.81.68
104.52.81.69
104.52.81.70
104.52.81.71
104.52.81.72
104.52.81.73
104.52.81.74
104.52.81.75
104.52.81.76
104.52.81.77
104.52.81.78
104.52.81.79
… 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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