For various reasons, I have to look from time to time at one particular IP and try to find out some information about it. Until I have found out about geoiplookup, this was something like: nslookup to get the reverse of the IP, and then whois to find out more details (maybe also traceroute/mtr, etc.). But now I will always start with geoiplookup as it instantly shows me the location (read country) of the respective IP.

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