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The office building that houses LACNIC in Montevideo, Uruguay.. LACNIC [1] (Latin America and Caribbean Network Information Centre; Spanish: Registro de Direcciones de Internet para América Latina y Caribe, Brazilian Portuguese: Registro de Endereçamento da Internet para América Latina e Caribe) is the regional Internet registry for the Latin American and Caribbean regions.
Some large / 8 blocks of IPv4 addresses, the former Class A network blocks, are assigned in whole to single organizations or related groups of organizations, either by the Internet Corporation for Assigned Names and Numbers (ICANN), through the Internet Assigned Numbers Authority (IANA), or a regional Internet registry.
The American Registry for Internet Numbers (ARIN) is the regional Internet registry for the United States, Canada, and many Caribbean and North Atlantic islands. ARIN manages the distribution of Internet number resources, including IPv4 and IPv6 address space and AS numbers.
A regional Internet registry (RIR) is an organization that manages the allocation and registration of Internet number resources within a region of the world. Internet number resources include IP addresses and autonomous system (AS) numbers.
This example Prefix WhoIs query shows various information about an IP address including its network origin and registrar details. Prefix WhoIs is an open source project that develops and operates a free whois-compatible framework for stockpiling and querying various routing and registry information.
WHOIS (pronounced as the phrase "who is") is a query and response protocol that is used for querying databases that store an Internet resource's registered users or assignees.
An internationalized country code top-level domain (IDN ccTLD) is a top-level domain with a specially encoded domain name that is displayed in an end user application, such as a web browser, in its native language script or a non-alphabetic writing system, such as Latin script (.us, .uk and .br), Indic script (.
On January 19, 2023 ICANN opened voting on a global amendment to all its registry and registrar agreements. In it they defined a RDAP Ramp-Up Period of 180 days starting with the effectiveness of this amendment. 360 days after this period is defined as the WHOIS Services Sunset Date, after which it is not a requirement for registries and registrars to offer a WHOIS service and instead only a ...