79.209.30.0/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
79.209.30.0
Broadcast Address
79.209.30.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
79.209.30.1
Last Usable IP
79.209.30.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (79.209.30.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 79.209.30.31 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 79.209.30.0/27
Network Address 79.209.30.0
Broadcast Address 79.209.30.31
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 79.209.30.1
Last Usable IP 79.209.30.30
Network (Hex) 0x4FD11E00
Broadcast (Hex) 0x4FD11E1F
Address Type Public / Globally Routable

Binary Representation

Network Address
01001111.11010001.00011110 01001111.11010001.00011110.00000000
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 79.209.30.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 79.209.30.0/28 79.209.30.0 79.209.30.1 79.209.30.14 79.209.30.15 14
2 79.209.30.16/28 79.209.30.16 79.209.30.17 79.209.30.30 79.209.30.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

79.209.30.0 net
79.209.30.1
79.209.30.2
79.209.30.3
79.209.30.4
79.209.30.5
79.209.30.6
79.209.30.7
79.209.30.8
79.209.30.9
79.209.30.10
79.209.30.11
79.209.30.12
79.209.30.13
79.209.30.14
79.209.30.15
… 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