History of the Internet
Who Runs the Internet? ICANN, IANA, and the RIRs Explained
The internet has no owner, but it does have coordination. A handful of nonprofit bodies keep names and numbers unique so the whole thing stays coherent.
Why coordination is needed at all
The internet works because certain things must be globally unique. Two networks cannot both use the same public IP address block, and two websites cannot both own example.com. Something has to hand out these resources without collisions. That "something" is a set of coordinating organizations — not a ruler, but a registrar.
IANA: the number authority
The Internet Assigned Numbers Authority (IANA) sits at the top of the numbering system. It manages the root of the DNS, allocates large blocks of IP addresses to regional registries, and maintains registries of protocol parameters. IANA grew out of the work Jon Postel did largely by himself in the early years.
ICANN: names and policy
The Internet Corporation for Assigned Names and Numbers (ICANN) is the nonprofit that oversees IANA's functions and sets policy for the domain name system — which top-level domains exist, how registrars are accredited, and how disputes are handled. ICANN operates through a "multistakeholder" model that includes businesses, governments, technical experts, and civil society rather than any single authority.
The Regional Internet Registries
IANA hands large address blocks to five Regional Internet Registries (RIRs), each serving a part of the world:
- ARIN — North America
- RIPE NCC — Europe, the Middle East, and Central Asia
- APNIC — Asia-Pacific
- LACNIC — Latin America and the Caribbean
- AFRINIC — Africa
The RIRs allocate addresses to internet service providers and large organizations in their regions, and they publish the public "whois" records that say which organization holds which block.
Standards: the IETF
Separately, the Internet Engineering Task Force (IETF) develops the technical standards — the RFCs — that define how protocols work. It famously operates by "rough consensus and running code." Together, these bodies keep the internet unified without anyone owning it.