Overview ARIN Online users can also use Reg-RWS in addition to the graphical user interface to retrieve and modify records within ARIN’s database by sending URLs and XML or Routing Policy Specification Language (RPSL) payloads in an automatable, computer-friendly manner using modern application interfaces that provide strong authentication. You can use Reg-RWS to perform these and other actions: Retrieve and modify information about delegations and networks Reassign and reallocate network s...