I did a search on Yandex.com, it is a Russian technology company.
https://en.wikipedia.org/wiki/Yandex
Yandex N.V. (/ˈjʌndɛks/; Russian: Яндекс, IPA: [ˈjandəks]) is a Russian multinational corporation specializing in Internet-related products and services, including search and information services, eCommerce, transportation, navigation, mobile applications, and online advertising. Yandex provides over 70 services in total.[3][4] Incorporated in the Netherlands, Yandex primarily serves audiences in Russia and the Commonwealth of Independent States. The company founders and most of the team members are located in Russia. The company has 18 commercial offices worldwide.[5][6]
It is the largest technology company in Russia[7] and the largest search engine on the internet in Russian, with a market share of over 52%.[8] The Yandex.ru home page is the 4th most popular website in Russia.[9] It also has the largest market share of any search engine in the Commonwealth of Independent States and is the 5th largest search engine worldwide after Google, Baidu, Bing, and Yahoo!.
Yandex's main competitors on the Russian market are Google, Mail.ru, and Rambler.
According to the company, one of its biggest advantages for Russian-language users is the ability to recognize Russian inflection in search queries.[10]
Yandex has invested in companies including Vizi Labs, Face.com, Blekko, Seismotech, Multiship, SalesPredict, and Doc+.[11]