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What (who) is address spaces - definition

OSAPR; Address-Point; Address-point; ADDRESS-POINT; Address Point (GIS)

Provider-independent address space

BLOCK OF IP ADDRESSES ASSIGNED TO AN ORGANIZATION

Provider Independent Address Space

A provider-independent address space (PI) is a block of IP addresses assigned by a regional Internet registry (RIR) directly to an end-user organization.RIPE FAQs The user must contract with a local Internet registry (LIR) through an Internet service provider to obtain routing of the address block within the Internet.

https://en.wikipedia.org/wiki/Provider-independent_address_space

address space

RANGE OF DISCRETE ADDRESSES, EACH OF WHICH MAY CORRESPOND TO A NETWORK HOST, PERIPHERAL DEVICE, DISK SECTOR, A MEMORY CELL OR OTHER LOGICAL OR PHYSICAL ENTITY

Addressing; Adress space; Address (computing); Address range

<operating system, architecture> The range of addresses which a processor or process can access, or at which a device can be accessed. The term may refer to either physical address or virtual address. The size of a processor's address space depends on the width of the processor's address bus and address registers. Each device, such as a memory integrated circuit, will have its own local address space which starts at zero. This will be mapped to a range of addresses which starts at some base address in the processor's address space. Similarly, each process will have its own address space, which may be all or a part of the processor's address space. In a multitasking system this may depend on where in memory the process happens to have been loaded. For a process to be able to run at any address it must consist of position-independent code. Alternatively, each process may see the same local address space, with the {memory management unit} mapping this to the process's own part of the processor's address space. (1999-11-01)

Address space

RANGE OF DISCRETE ADDRESSES, EACH OF WHICH MAY CORRESPOND TO A NETWORK HOST, PERIPHERAL DEVICE, DISK SECTOR, A MEMORY CELL OR OTHER LOGICAL OR PHYSICAL ENTITY

Addressing; Adress space; Address (computing); Address range

In computing, an address space defines a range of discrete addresses, each of which may correspond to a network host, peripheral device, disk sector, a memory cell or other logical or physical entity.

https://en.wikipedia.org/wiki/Address_space

Wikipedia

Address Point

Address Point is a mapping/GIS data product supplied by Great Britain's national mapping agency, Ordnance Survey. It is based on the UK’s postal mail organisation, the Royal Mail, list of postal addresses, Postcode Address File (PAF). The most significant difference between Royal Mail list and Address Point is that Address Point includes the geographic coordinates of each postal address. This enables users to map the individual addresses.

The Ordnance Survey website describes Address Point as:

"a dataset that uniquely defines and locates residential, business and public postal addresses in Great Britain. It is created by matching information from Ordnance Survey digital map databases with more than 26 million addresses recorded in the Royal Mail Postcode Address File (PAF).

Each address has a unique Ordnance Survey Address Point reference (OSAPR). In addition, Address Point carries a status flag to define the quality and accuracy of each address as well as indicators for change and source currency."

OSAPRs are always 18 characters long and must start with the letters AP.

The history of Ordnance Survey's spatial address information goes back to the 1840s when the first large-scale maps were published with names identifying prominent properties such as large landmark houses in a locality.

In 1945, when Ordnance Survey had moved to the National Grid system, maps at 1:1250 and 1:2500 scales showed sufficient information to infer other individual addresses. The recording of address information in large-scale data has been ongoing ever since. Address Point, which was launched in the early 1990s, was the first address-specific product in digital form. The latest evolution of Ordnance Survey's spatial address data is OS MasterMap Address Layer 2.

OS MasterMap Address Layer 2 offers significant enhancements such as classifications, building name aliases, geographical addresses, objects without a postal address, such as churches, and multiple occupancy information for flats and halls of residence where individual properties within do not have mail delivered to a letter box of their own. A free cross-reference table allows Ordnance Survey’s data to be linked with other key datasets, including the Valuation Office Agency’s Non Domestic Rates and Council Tax data.

https://en.wikipedia.org/wiki/Address Point