---
title: "Creating IP Spaces"
canonical: "https://docs.infoblox.com/space/BloxOneDDI/186649333/Creating%20IP%20Spaces"
format: markdown
---
<span style="color: #000000">To create an IP space, complete the following:</span>

1. <span style="color: #000000">From the Infoblox Portal, click </span><span style="color: #000000">**Network > IPAM > Address Spaces > Create > IP Space.**</span>
2. <span style="color: #000000">On the </span><span style="color: #000000">*Create IP Space*</span><span style="color: #000000"> page, specify the following:</span>
  - <span style="color: #000000">**Name**</span><span style="color: #000000">: Enter a name for the IP space.  </span>
  - <span style="color: #000000">**Description**</span><span style="color: #000000">: Enter additional information about the IP space.</span>
  - <span style="color: #172b4d">**Access View**</span><span style="color: #172b4d">: </span>**Access View**: Select the Access View from the drop-down. For more information, see *[Configuring Access Views](https://infoblox-docs.atlassian.net/wiki/spaces/BloxOneCloudDraft/pages/577241203)*.
  - <span style="color: #172b4d">**Federated Realms**</span><span style="color: #172b4d">: Choose the Federated Realm and move it from </span><span style="color: #172b4d">**Available**</span><span style="color: #172b4d"> to </span><span style="color: #172b4d">**Selected**</span><span style="color: #172b4d"> by clicking </span><span style="color: #172b4d">**>>**</span><span style="color: #172b4d">. </span><span style="color: #333333">Default Realms will be used for any new Address Blocks or Subnets created. </span><span style="color: #172b4d">For more information, see </span><span style="color: #172b4d">*[Federated Realms](https://infoblox-docs.atlassian.net/wiki/spaces/BloxOneDDI/pages/684884590)*</span><span style="color: #172b4d">. </span>
  - <span style="color: #000000">**Tags**</span><span style="color: #000000">: For information about tags, see </span><u><span style="color: #000000">*[Managing Tags](https://infoblox-docs.atlassian.net/wiki/spaces/BloxOneCloud/pages/35397076)*</span></u><span style="color: #000000">.</span>
  - <span style="color: #000000">Configure the following components of DHCP Configuration:</span>
    - <span style="color: #000000">**Automated Scope Management**</span><span style="color: #000000">: The values are inherited from the Global DHCP Configuration. You can override and specify a different value. For more information, see </span><span style="color: #000000">*[Configuring Automated Scope Management](https://infoblox-docs.atlassian.net/wiki/spaces/BloxOneDDI/pages/186876614)*</span><span style="color: #000000">.</span>
    - <span style="color: #000000">**Leases**</span><span style="color: #000000">: The values are inherited from the Global DHCP Configuration. You can override and specify a different value. For more information, see </span><span style="color: #000000">*[Defining Lease Times](https://infoblox-docs.atlassian.net/wiki/spaces/BloxOneDDI/pages/186778823)*</span><span style="color: #000000">.</span>
    - <span style="color: #000000">**DHCP Options**</span><span style="color: #000000">: The values are inherited from the Global DHCP Configuration by default. For more information on configuring DHCP options in Global DHCP Configuration, see </span><span style="color: #000000">*[Configuring DHCP Options](https://infoblox-docs.atlassian.net/wiki/spaces/BloxOneDDI/pages/186714220)*</span><span style="color: #000000">. You can configure the inheritance for each item granularly. For more information, see </span><span style="color: #000000">*[Granular Inheritance of DHCP Options](https://infoblox-docs.atlassian.net/wiki/spaces/BloxOneDDI/pages/186909220)*</span><span style="color: #000000">.</span>
    - <span style="color: #000000">**DDNS**</span><span style="color: #000000">: DDNS updates go to Universal DDI-managed zones or zones hosted by an external DNS server. For example, you can configure NIOS as the external primary server. The </span><span style="color: #000000">**Default DDNS Domain Name**</span><span style="color: #000000"> is inherited from the Global DHCP Properties. See </span><span style="color: #000000">*[Enabling DDNS for IPv4 Clients](https://infoblox-docs.atlassian.net/wiki/spaces/BloxOneDDI/pages/186714183)*</span><span style="color: #000000">. You can override the settings and specify a different value for the </span><span style="color: #000000">**Default DDNS Domain Name**</span><span style="color: #000000">.</span><span style="color: #ff0000"> </span>
    - <span style="color: #000000">**Filters**</span><span style="color: #000000">: The values are inherited from the Global DHCP Configuration. You can override and specify a different value. For more information, see </span><span style="color: #000000">*[Configuring DHCP Filters](https://infoblox-docs.atlassian.net/wiki/spaces/BloxOneDDI/pages/186369598)*</span><span style="color: #000000">.</span>
    - <span style="color: #333300">**Advanced Configuration**</span><span style="color: #333300">: Configure advanced settings like Abandoned Reclaim Time. See </span><span style="color: #333300">*[Advanced Configuration](https://infoblox-docs.atlassian.net/wiki/spaces/BloxOneDDI/pages/220104221)*</span><span style="color: #333300">.</span>
3. <span style="color: #000000">Click </span><span style="color: #000000">**Save & Close**</span><span style="color: #000000"> to save the details or click </span><span style="color: #000000">**Cancel**</span><span style="color: #000000"> to exit.</span>


> ⚠️ **Note**
> ⚠️ 
> ⚠️ <span style="color: #000000"> If you override the DDNS settings, specify a </span><span style="color: #000000">**Default DDNS Domain Name**</span><span style="color: #000000"> that is valid with respect to the DDNS Zones configuration in the Global DHCP Properties or DHCP Config profile for DDNS updates to be successful.</span>