64.252.72.0/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
64.252.72.0
Broadcast Address
64.252.72.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
64.252.72.1
Last Usable IP
64.252.72.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (64.252.72.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 64.252.72.31 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 64.252.72.0/27
Network Address 64.252.72.0
Broadcast Address 64.252.72.31
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 64.252.72.1
Last Usable IP 64.252.72.30
Network (Hex) 0x40FC4800
Broadcast (Hex) 0x40FC481F
Address Type Public / Globally Routable

Binary Representation

Network Address
01000000.11111100.01001000 01000000.11111100.01001000.00000000
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 64.252.72.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 64.252.72.0/28 64.252.72.0 64.252.72.1 64.252.72.14 64.252.72.15 14
2 64.252.72.16/28 64.252.72.16 64.252.72.17 64.252.72.30 64.252.72.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

64.252.72.0 net
64.252.72.1
64.252.72.2
64.252.72.3
64.252.72.4
64.252.72.5
64.252.72.6
64.252.72.7
64.252.72.8
64.252.72.9
64.252.72.10
64.252.72.11
64.252.72.12
64.252.72.13
64.252.72.14
64.252.72.15
… 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