IP address
The address that enables a device to be identified and communicate on a network.
What does it mean IP address?
An IP address is a unique identifier for a device on a network. Devices send data to each other through it, similar to how mail travels to a home address.
We distinguish between private addresses, which apply within a company, and public ones, which are visible on the internet. The transition between them is enabled by NAT on a firewall or router.
Addresses can be dynamic (assigned by DHCP) or static/reserved, which is standard for servers, printers, and network equipment.
Practical examples
A company uses a private range for the office, a separate range for guest Wi-Fi, and one fixed public address for VPN access.
Business relevance
An organized addressing plan is a prerequisite for segmentation, monitoring, and troubleshooting. Addressing clutter becomes apparent during every expansion or connection with a partner.
Common mistakes
Typical mistakes include overlapping ranges between locations (which disables VPN), randomly assigned static addresses, and a lack of documentation.
How VitalIT helps
At VitalIT, we design, set up, and maintain business networks: segmentation, Wi-Fi, VPN, and firewalls. More on the IT infrastructure page.
Why is this important for businesses?
An organized addressing plan is a prerequisite for segmentation, monitoring, and troubleshooting. Addressing clutter becomes apparent during every expansion or connection with a partner.
Where does this appear in practice?
A company uses a private range for the office, a separate range for guest Wi-Fi, and one fixed public address for VPN access.
Most common problems or errors
Typical mistakes include overlapping ranges between locations (which disables VPN), randomly assigned static addresses, and a lack of documentation.
Kako pri tem pomaga VitalIT
At VitalIT, we design, set up, and maintain business networks: segmentation, Wi-Fi, VPN, and firewalls. More on the [IT infrastructure](/en/services/it-infrastruktura) page.
Related terms
Related Services
Frequently asked questions
- What is the difference between a public and private address?
- A private one applies only within your network, while a public one is reachable from the internet.
- Do we need a fixed public address?
- Yes, if you host your own services or use a VPN with a permanent endpoint.
- What is IPv6?
- A newer version of addressing with a significantly larger address space; it is being introduced gradually in business networks.