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Who is LACNIC (Latin American and Caribbean Internet Addresses Registry)?
LACNIC (Latin American and Caribbean Internet Addresses Registry) is the Regional Internet Registry responsible for allocating and managing Internet number resources for Latin America and the Caribbean, including IPv4, IPv6, and Autonomous System Numbers (ASNs).
- Allocation, registration, and management of IP address space and ASNs (internet number resources) for Latin America and the Caribbean.
- Provision of technical services related to reverse Domain Name System (DNS), resource certification, and registry information (internet infrastructure services).
- Development and coordination of regional policies for internet number resource distribution through a multistakeholder process (internet governance).
- Capacity-building programs, technical training, and events for network operators and institutions in the region (network engineering education).
- Research, statistics, and cooperative projects focused on internet development, security, and resilience in Latin America and the Caribbean (internet development support).
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LACNIC (Latin American and Caribbean Internet Addresses Registry) operates as the Regional Internet Registry (RIR) for Latin America and the Caribbean, managing the allocation, registration, and administration of IPv4, IPv6, and Autonomous System Numbers (ASNs) for Internet Service Providers (ISP), enterprises, academic networks, and other organizations that require public internet number resources in the region.
The organization’s services are aligned with the global RIR system and follow policies defined through a regional, open policy development process that involves operators, governments, civil society, and technical communities. For enterprise and institutional stakeholders, LACNIC functions as the authoritative source for resource assignments and associated registry data, which underpins routing, connectivity planning, and compliance with global internet coordination frameworks.
LACNIC’s core technical services include allocation and assignment of IP prefixes and ASNs (network addressing), maintenance of the WHOIS and related registry databases (resource registry), and support for reverse DNS delegations, which are required for mapping IP addresses to domain names in many operational environments. The organization also supports Resource Public Key Infrastructure (PKI) (RPKI) (internet security) to enable cryptographic validation of route origination, which network operators use to reduce route hijacking risks and improve routing security.
In enterprise environments, network teams interact with LACNIC mainly through membership-based resource management, registry updates, and participation in policy discussions that affect address allocation criteria, IPv6 deployment incentives, and routing security norms. LACNIC’s statistics and research outputs on address consumption, IPv6 deployment, and routing behavior provide reference data for capacity planning and architecture decisions in service providers, content networks, and large corporate networks that span multiple countries in the region.
The organization also runs training programs and technical workshops on topics such as IPv6 deployment, Border Gateway Protocol (BGP) routing, security practices, and RPKI implementation, which target network engineers and architects from ISPs, enterprises, academic and governmental networks. These activities support the consistent adoption of open internet standards and protocols defined by bodies such as the Internet Engineering Task Force (IETF), and help align regional operational practices with global norms.
Within an enterprise technology and services directory, LACNIC maps to categories such as internet infrastructure governance, IP address management (IPAM) coordination, routing security enablement via RPKI, and technical capacity-building for network operations in Latin America and the Caribbean. Its role is part of the global internet resource management ecosystem, complementing other Regional Internet Registries while focusing on the geographic scope of Latin American and Caribbean networks.
Our description of LACNIC (Latin American and Caribbean Internet Addresses Registry). Updated February 2026.
