18.70.223.32/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
18.70.223.32
Broadcast Address
18.70.223.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
18.70.223.33
Last Usable IP
18.70.223.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (18.70.223.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 18.70.223.63 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 18.70.223.32/27
Network Address 18.70.223.32
Broadcast Address 18.70.223.63
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 18.70.223.33
Last Usable IP 18.70.223.62
Network (Hex) 0x1246DF20
Broadcast (Hex) 0x1246DF3F
Address Type Public / Globally Routable

Binary Representation

Network Address
00010010.01000110.11011111 00010010.01000110.11011111.00100000
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 18.70.223.32/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 18.70.223.32/28 18.70.223.32 18.70.223.33 18.70.223.46 18.70.223.47 14
2 18.70.223.48/28 18.70.223.48 18.70.223.49 18.70.223.62 18.70.223.63 14

IP Address Sample

Showing first 16 of 32 total IPs.

18.70.223.32 net
18.70.223.33
18.70.223.34
18.70.223.35
18.70.223.36
18.70.223.37
18.70.223.38
18.70.223.39
18.70.223.40
18.70.223.41
18.70.223.42
18.70.223.43
18.70.223.44
18.70.223.45
18.70.223.46
18.70.223.47
… 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