In the list of subnets of the address space, you can delete any subnet except the root subnet in the tree (subnet 0.0.0.0/0).
To delete subnets:
The details area is displayed in the right part of the web interface window.
This opens a confirmation prompt window.
The deleted subnets are removed from the list of subnets. If the deleted subnet contained nested subnets, these subnets remain in the list (however, the level of these subnets in the hierarchy tree is changed).
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