Here are the steps that are needed to add an IP in Windows 2019 Standard:
APNIC
APNIC is the central authority for assigning IP addresses in Asia and Pacific regions. APNIC is headquartered in Brisbane, Australia.
ARIN
ARIN is the American Registry for Internet Numbers. It is the central authority for assigning IP addresses in Canada, the US, as well as quite a few islands in the Caribbean and North Atlantic regions.