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Finding Yourself: Challenges of IP Geolocation

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dyn.com @dyn page 2 Ebook: Finding Yourself: The Challenges of Accurate IP Geolocation Getting it wrong can reduce your marketing ROI, frustrate your customers, and increase latency. Introduction: What is IP Geolocation? In the developed physical world, it is relatively straightforward to translate a given address to its corresponding geographic location – all of the critical information is contained within the address itself, and in general, the correspondence tends to be fixed. However, on the Internet, IP addresses have no built-in association with a corresponding physical location, and the resources that they are associated with can change over time. Depending on a provider's address management policies, not only can an IP address move between different physical or virtual devices, but it can also move between geographies. As such, over the last two decades, the practice known as "IP Geolocation" has emerged as a means of associating IP addresses (IPv4 and IPv6) with physical locations. IP geolocation tools and services will generally provide information on the continent, country, state/province (where relevant), and city that they believe the IP address is associated with. Some services and tools will also provide extended information including (but not limited to) ZIP/postal code, area code, time zone, connection type, etc.

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