reperio - that means "find" in latin, and this is what you can do with this app: Search for IP-Addresses and/or domains using this free App. reperio will show you the target servers approximate location on a map, and display additional information like its reverse DNS hostname, its IP-Address, ISP etc.
reperio is and will be free, without ads and open source. (See support URL in the AppStore, also use the issue to report a bug or suggest a feature).