These entries are queried from radb.net using whois, you can try my project getting these.
:AS57289 route: 91.231.76.0/22 descr: Infoseka, UAB origin: AS57289 mnt-by: MNT-VT notify: admin [at] tiltas.lt created: 2011-12-22T11:15:35Z last-modified: 2020-04-08T08:54:20Z 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: not_found # No ROAs found, or RPKI validation not enabled for source