223.159.100.64/27

Public

Class C — /27 prefix — 30 usable hosts

Network Address
223.159.100.64
Broadcast Address
223.159.100.95
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
223.159.100.65
Last Usable IP
223.159.100.94
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (223.159.100.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 223.159.100.95 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 223.159.100.64/27
Network Address 223.159.100.64
Broadcast Address 223.159.100.95
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 223.159.100.65
Last Usable IP 223.159.100.94
Network (Hex) 0xDF9F6440
Broadcast (Hex) 0xDF9F645F
Address Type Public / Globally Routable

Binary Representation

Network Address
11011111.10011111.01100100 11011111.10011111.01100100.01000000
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 223.159.100.64/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 223.159.100.64/28 223.159.100.64 223.159.100.65 223.159.100.78 223.159.100.79 14
2 223.159.100.80/28 223.159.100.80 223.159.100.81 223.159.100.94 223.159.100.95 14

IP Address Sample

Showing first 16 of 32 total IPs.

223.159.100.64 net
223.159.100.65
223.159.100.66
223.159.100.67
223.159.100.68
223.159.100.69
223.159.100.70
223.159.100.71
223.159.100.72
223.159.100.73
223.159.100.74
223.159.100.75
223.159.100.76
223.159.100.77
223.159.100.78
223.159.100.79
… 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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