These entries are queried from radb.net using whois, you can try my project getting these.
:AS273147 route: 154.197.77.0/24 descr: MUNICIPALIDAD DE CARRILLO GUANACASTE origin: AS273147 mnt-by: LARUS-SERVICE-MNT changed: *** [at] cloudinnovation.org 20240119 source: AFRINIC rpki-ov-state: valid route: 154.197.77.0/24 origin: AS273147 descr: MUNICIPALIDAD DE CARRILLO GUANACASTE mnt-by: MAINT-LARUS changed: t.t.xu [at] laruscloudservice.net source: RADB last-modified: 2024-01-19T20:57:24Z rpki-ov-state: valid route6: 2801:195:1::/48 descr: LACNIC generated route6 for MUNICIPALIDAD DE CARRILLO GUANACASTE origin: AS273147 remarks: LACNIC generated route6 for MUNICIPALIDAD DE CARRILLO GUANACASTE remarks: maxLength 48 mnt-by: MNT-CR-MUCA3-LACNIC changed: 20240305 source: LACNIC remarks: *************************************************** remarks: This object may have been modified remarks: For more information, please query whois.lacnic.net remarks: *************************************************** last-modified: 2024-03-05T22:15:06Z rpki-ov-state: valid