These entries are queried from radb.net using whois, you can try my project getting these.
:AS133723 route: 103.49.147.0/24 descr: Institute for Plasma Research origin: AS133723 mnt-by: MAINT-IN-IPR mnt-routes: MAINT-IN-IPR last-modified: 2015-02-06T06:18:06Z source: APNIC rpki-ov-state: valid route6: 2001:df2:6400::/48 descr: Institute for Plasma Research origin: AS133723 mnt-by: MAINT-IN-IPR mnt-routes: MAINT-IN-IPR last-modified: 2015-02-06T06:19:30Z source: APNIC rpki-ov-state: valid