IANA

IANA's role is narrower and more technical than ICANN's policy and governance functions. Its core responsibilities focus on maintaining authoritative registries and coordinating critical Internet resources.

What IANA Does

Manages the DNS Root Zone

IANA maintains the root zone database, the authoritative list of all top-level domains (TLDs), including gTLDs (e.g., .com, .shop) and ccTLDs (e.g., .fi, .de). It processes requests for:

• New TLD delegations
• Redelegations (changes in TLD operators)
• Updates to nameserver or DNSSEC information

While ICANN approves policy and contracts, IANA executes the technical changes to the root zone.

Coordinates IP Address Allocations

IANA allocates large blocks of IP addresses (IPv4 and IPv6) to the five Regional Internet Registries (RIRs):

• ARIN
• RIPE NCC
• APNIC
• LACNIC
• AfriNIC

These RIRs then distribute addresses to ISPs, enterprises, and other network operators.

Maintains Protocol Parameter Registries

IANA manages registries of technical protocol parameters used by Internet standards (defined by the IETF), such as:

• Port numbers (e.g., TCP/UDP ports)
• Protocol numbers
• DNS record types

This ensures that systems across the Internet interpret protocols consistently.

What IANA Does Not Do

• It does not create policy — that is ICANN's role
• It does not accredit registrars or contract with registries
• It does not enforce abuse, trademarks, or DNS policies

IANA is purely a neutral technical operator, implementing decisions rather than making them.

IANA's Role in the Internet Ecosystem

IANA sits at the foundation of the Internet's infrastructure:

• ICANN develops policy and governance frameworks
• IANA implements technical coordination (root zone, numbers, parameters)
• Registries and registrars operate and distribute domain names

This separation ensures stability and neutrality of the DNS.

Why IANA Matters for Brand Protection

Although IANA is not directly involved in enforcement, it plays an indirect but critical role:

• Every domain depends on the root zone managed by IANA
• Expansion of TLDs is operationalized through IANA updates
• Stability ensures enforcement actions propagate globally

IANA does not fight abuse — but it ensures the infrastructure that makes enforcement globally effective and reliable.