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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.
APNIC has no authority to prevent these kinds of network abuse. APNIC also has no technical ability to 'suspend' an Internet service, no mandate to withdraw address registrations, no investigative powers, nor any authority to take action as an enforcement agency. APNIC is in the same position as any other IP address or DNS registry worldwide.
NIRs operate primarily in the Asia Pacific region, under the authority of APNIC, the regional Internet registry for that region. The following NIRs are currently operating in the APNIC region: IDNIC-APJII (Indonesia Network Information Centre-Asosiasi Penyelenggara Jasa Internet Indonesia) CNNIC, China Internet Network Information Center
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.
The Indian Registry for Internet Names and Numbers (IRINN) is the National Internet Registry [1] in India.IRINN is entrusted with the task of coordinating IP address allocation with other Internet resource management function at national level in the country.
At present, popular web-based WHOIS-queries may be conducted from ARIN, [21] RIPE [22] and APNIC. [23] Most early web-based WHOIS clients were merely front-ends to a command-line client, where the resulting output just gets displayed on a web page with little, if any, clean-up or formatting.
For example, addresses in 49.0.0.0 / 8 were not allocated prior to August 2010, but are now used by APNIC. [7] As of November 2011, the Internet Engineering Task Force (IETF) recommends that, since there are no longer any unallocated IPv4 / 8 s, IPv4 bogon filters based on registration status should be removed. [8]
IPv4 address exhaustion is the depletion of the pool of unallocated IPv4 addresses.Because the original Internet architecture had fewer than 4.3 billion addresses available, depletion has been anticipated since the late 1980s when the Internet started experiencing dramatic growth.