These entries are queried from radb.net using whois, you can try my project getting these.
:AS149494 route: 103.181.50.0/24 descr: HU IPV4 mnt-by: MAINT-HUSB-MY origin: AS149494 last-modified: 2022-03-07T12:44:57Z source: APNIC rpki-ov-state: valid route6: 2001:df0:6840::/48 descr: HU IPv6 mnt-by: MAINT-HUSB-MY origin: AS149494 last-modified: 2022-03-07T12:49:38Z source: APNIC rpki-ov-state: valid