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http://www.nirsoft.net/countryip/ http://www.ip2location.com/free/visitor-blocker https://ipinfo.io/countries https://ip-range.com/ https://www.proxynova.com/ip-ranges https://github.com/lord-alfred/ipranges Хороший способ описан здесь. https://github.com/netstalking-core/ultimate-netstalking-guide/blob/master/ip-range-guide.md