These entries are queried from radb.net using whois, you can try my project getting these.
:AS63682 route: 103.59.50.0/24 origin: AS63682 descr: NEXT LINK TECHNOLOGY DEVELOPMENT (HK) CO.,LIMITED Rooms 05-1513A/F South Tower World Finance Centre Habour City 17 Canton Road , Tsim Sha Tsui Kowloon Hong Kong mnt-by: MAINT-NLTD-HK last-modified: 2018-12-21T08:19:09Z source: APNIC rpki-ov-state: valid