These entries are queried from radb.net using whois, you can try my project getting these.
:AS204275 route: 212.87.250.0/23 descr: The Network of Polskie Sieci Swiatlowodowe Sp. z o.o. origin: AS204275 mnt-by: PL-CZESTMAN-MNT created: 2020-11-10T14:06:40Z last-modified: 2020-11-10T14:06:40Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid