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.
DNS
DNS refers to the Domain Name System used on the internet. DNS is the system that matches domain names to an IP address.
IP address
The term IP address refers to Internet Protocol address. It is a numerical address that is assigned to any device connected to the internet.
LACNIC
LACNIC is the central authority for assigning IP addresses in South America, Central America, and some islands in the Caribbean.
Ping
Ping is a computer utility that can be used to test if a network IP address or website is reachable on the internet.
RIPE
RIPE is Réseaux IP Européens. It is the central authority for assigning IP addresses Europe and is headquartered in Amsterdam.