IP Locator:FAQ

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Does IP Locator support IPv6 lookup?

No, IP Locator can only provide information related to IPv4 addresses.

Does the IP web service support XML?

No, IP Locator only supports the JSON format for requests and responses.

How accurate is the Latitude/longitude returned?

Melissa Data’s IP Locator uses 20 different techniques to determine the physical location of an IP address.

This is the secret sauce behind a better understanding of the topology of the internet.

1. ASN/BGP routes
2. Mobile Carrier owned IPs Database
3. Partner submitted Internet Topology
4. Proxy Data lists
5. Domain Data
6. Proprietary Clustering Analysis algorithms
7. Reverse DNS information
8. Wireless WIFI Endpoints Map
9. Domain Expansion algorithms
10. Company Name Databases
11. Organization Name databases
12. Whois data
13. T1, t3, OC3, OC12 Registries
14. Cable, Dial up, DSL registries
15. Geography
16. Realtime IP Connections through Skyhook Wireless
17. Regional Internet Registries
18. Web Spidering technology
19. Dynamic IP Pool Mapping
20. DSLAM, CMTS, POP Server analysis

It is not going to be true location, but it is calculated using several techniques to get the best possible accurate lat/long centroid.