These entries are queried from radb.net using whois, you can try my project getting these.
:AS134518 route: 43.246.132.0/22 descr: RETN (Hong Kong) Limited origin: AS134518 mnt-by: MAINT-RETN-HK last-modified: 2015-11-12T13:51:29Z source: APNIC rpki-ov-state: valid route: 43.246.132.0/23 descr: RETN (Hong Kong) Limited origin: AS134518 mnt-by: MAINT-RETN-HK last-modified: 2020-09-23T11:33:41Z source: APNIC rpki-ov-state: valid route: 43.246.134.0/23 descr: RETN (Hong Kong) Limited origin: AS134518 mnt-by: MAINT-RETN-HK last-modified: 2020-09-23T11:35:30Z source: APNIC rpki-ov-state: valid route: 103.194.236.0/22 descr: RETN (Hong Kong) Limited origin: AS134518 mnt-by: MAINT-RETN-HK last-modified: 2015-11-12T13:51:57Z source: APNIC rpki-ov-state: valid route6: 2402:c680::/32 descr: RETN (Hong Kong) Limited origin: AS134518 mnt-by: MAINT-RETN-HK last-modified: 2015-11-12T14:44:58Z source: APNIC rpki-ov-state: valid