These entries are queried from radb.net using whois, you can try my project getting these.
:AS18366 route: 202.12.31.0/24 descr: APNIC DNS Anycast origin: AS18366 mnt-by: MAINT-APNIC-IS-AP last-modified: 2018-11-20T03:20:13Z source: APNIC rpki-ov-state: valid route6: 2001:dd8:12::/48 descr: APNIC Anycast Network country: AU origin: AS18366 mnt-by: MAINT-APNIC-IS-AP last-modified: 2018-11-20T03:20:17Z source: APNIC rpki-ov-state: valid