.top is a generic top-level domain (gTLD), which was officially delegated in ICANN's New gTLD Program in August 2014.
There is no restriction to register a .top domain name. So anyone can register it. .top is operated by Jiangsu Bangning Group in China.
.top reached 100 thousand registered domain names in May 2015 and 1 million in January 2016.
Since the open registration day in November 2014, .top extension is intended to mean being at top of what you do.
.TOP domain extension ranks #27 among all domain extensions, and #10 among all generic extensions (gTLDs). Currently, there are 1.4 Million registered .top domain names. Jiangsu Bangning Science & technology Co.,Ltd. is the registry of .top extension.
The oldest (still exists) .top domain name is nic.top, and it was registered on 21 May 2014.
The most popular .top domain name is adbtc.top. Its worldwide rank is 1019.
.TOP domains are most popular in China. United States and Panama are the other countries that have most .top domain registrations.