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These databases typically contain IP address data, which may be used in firewalls, ad servers, routing, mail systems, websites, and other automated systems where a geolocation may be useful. An alternative to hosting and querying a database is to obtain the country code for a given IP address through a DNSBL-style lookup from a remote server.
This was actually used for generating geographically correct maps of Usenet links on a plotter; however, it became traditional to refer to this as one's ICBM address or missile address, and some people include it in their sig block with that name. A typical tag might read "ICBM Address: 36.8274040 N, 108.0204086 W".
Address geocoding, or simply geocoding, is the process of taking a text-based description of a location, such as an address or the name of a place, and returning geographic coordinates, frequently latitude/longitude pair, to identify a location on the Earth's surface. [1]
Geopositioning yields a set of geographic coordinates (such as latitude and longitude) in a given map datum. Geographic positions may also be expressed indirectly, as a distance in linear referencing or as a bearing and range from a known landmark. In turn, positions can determine a meaningful location, such as a street address.
When the IANA set up the IPv4 and then IPv6 protocols, the designers created the system to uniquely identify an electronic destination on the internet—not a physical one.
The values of the coordinates only make sense when a coordinate reference system (CRS) is specified. The default CRS is the World Geodetic System 1984 (WGS-84), [1] and it is not recommended to use any other: The optional 'crs' URI parameter described below may be used by future specifications to define the use of CRSes other than WGS-84.
Has geographic coordinates for airports, heliports, and other facilities which have an IATA or ICAO code. You can also search by location name. Plexscape WS: Google Maps tool – Coordinate converter: Online application to acquire coordinates for any place on Earth. Supports more than 3,000 coordinate systems and 400 datums worldwide.
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