Registrant Name: Is The name of your company, business or individual registering the domain. (i.e.BLUECENTRAL PTY LIMITED)
Registrant ID: Is the business number associated with your entity name (i.e. 53 121 781 057)
Registrant ID Type: Is the type of business number you entered (i.e. ABN, ACN or RBN)
These details can be looked up on abr.business.gov.au