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Home > Success Center > IP Address Manager (IPAM) > IPAM Administrator Guide > IP Address Monitoring with IPAM > Create a range of IP addresses in a subnet

Create a range of IP addresses in a subnet

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Updated July 27th, 2016

Particularly in the case of larger subnets, it can be useful to deal with IP addresses in terms of defined IP address ranges, such as 6.6.16.1-6.6.16.15 in a 6.6.16.0 / 20 subnet. The following procedure provides the steps required to add a range of IP addresses within a defined subnet.

By default, IPAM displays all IP addresses in a subnet if the selected subnet contains 4096 or fewer IP addresses (/20 or 255.255.240.0 and higher mask). For these smaller subnets, it is not necessary to add IP address ranges for monitoring unless you have previously deleted the addresses in the range you want to add.

To add a range of IP addresses within a defined subnet:

  1. Click IP Address Manager in the Menu bar.
  2. Click Manage Subnets & IP Addresses
  3. In the network tree pane on the left, click the subnet into which you want to add your new range of IP address range.

    For subnets with more than 4096 IP addresses (lower than /20 or 255.255.240.0 mask), the right pane displays No IP addresses have previously been added unless you have already added a range of IP addresses within the selected subnet.

  4. Click Add IP Range in the IP Address view in the right pane.
  5. Provide both the Starting IP Address and the Ending IP Address of your new IP address range. Orion IPAM will not allow IP address ranges defined outside the subnet indicated in the Parent Address field.
  6. Click Save.
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