These entries are queried from radb.net using whois, you can try my project getting these.
:AS206241 route: 212.87.254.0/23 descr: STOWARZYSZENIE DO SPRAW ROZWOJU SPOLECZENSTWA INFORMACYJNEGO SUBREGIONU POLNOCNEGO WOJEWODZTWA SLASKIEGO origin: AS206241 mnt-by: PL-CZESTMAN-MNT created: 2017-03-02T14:40:19Z last-modified: 2020-01-09T14:33:24Z 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