Method, system and position information server for acquiring IP geographic position information

A technology of geographic location information and geographic location, applied in the field of digital network communication, can solve the problems of difficulty in maintaining centralized databases, lack of, and positioning to the country or province, city or county, etc., to achieve the effect of protecting self-interest and ensuring accuracy

Active Publication Date: 2010-12-01
CHINA INTERNET NETWORK INFORMATION CENTER
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

Due to the huge number of IP addresses in the world, it is very difficult to maintain such a large centralized database
Another difficulty is the lack of effective tools to check the validity of addresses in the database, resulting in a large amount of erroneous data being stored in the database
[0004] For example, many Internet service providers provide location information services based on IP addresses, but the location information provided by these services is generally rough

Method used

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  • Method, system and position information server for acquiring IP geographic position information
  • Method, system and position information server for acquiring IP geographic position information
  • Method, system and position information server for acquiring IP geographic position information

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Embodiment Construction

[0073] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0074] By analyzing the existing technology, it can be concluded that the use of IP addresses to obtain geographical location information involves two key issues. One problem is that the collection and maintenance of geographical location must be distributed, not centralized. Another problem is that the acquisition of geographic location information must be open and global, and cannot be statically configured and local.

[0075] In view of the above problems, the inventor of this patent creatively proposed one of the core concepts of the embodiment of the present invention, that is, the ISP responsible for allocating the IP address completes the collection and maintenance of the geographic location information; the mapping from the...

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Abstract

The invention provides a method for acquiring IP geographic position information, which comprises the following steps: receiving an IP geographic position inquiry request initiated by an application program, wherein the request comprises an IP address; converting the IP address into a fully qualified domain name, and packaging the fully qualified domain name into a corresponding first DNS inquiry request; positioning an object-level DNS authoritative server according to the first DNS inquiry request; redirecting the fully qualified domain name by the object-level DNS authoritative server to acquire the information of the DNS authoritative server to which the mapped ISP belongs; packaging the redirected fully qualified domain name into a corresponding second DNS inquiry request, sending the second DNS inquiry request to the DNS authoritative server to which the ISP belongs, and returning corresponding geographic position information in a TXT format by the DNS authoritative server to which the ISP belongs according to the private policy; and converting the geographic position information into the information in an XML format to be returned to the application program. The invention can ensure the accuracy of the acquired geographic position information.

Description

technical field [0001] The invention relates to the field of digital network communication, in particular to a method for acquiring IP geographic location information, a system for acquiring IP geographic location information and a location information server. Background technique [0002] With the development of computer networks, more and more devices have independent IP addresses. If devices can be geographically located according to IP addresses, users can be provided with more colorful and location-based application services. [0003] How to associate an IP address with its corresponding geographic location has been attempted as early as 1985, and one of the more influential methods is to collect IP geographic location information from various websites and associate IP with geographic location information. stored in a centralized server. Due to the huge number of IP addresses in the world, it is very difficult to maintain such a large centralized database. Another dif...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L29/12
Inventor 毛伟李晓东金键陈远民张翠玲
Owner CHINA INTERNET NETWORK INFORMATION CENTER
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