only owner of the network can access it; if it's domain - all accounts in the domain and domain children can have an access.
* aclType replaces 2 old fields: isShared and isDomainSpecific.
* All 2.2.x account specific networks will have aclType=Account; 2.2.x Domain specific networks - aclType=domain; 2.2.x Zone level networks - aclType=Domain with domainId = Root domain id