These entries are queried from radb.net using whois, you can try my project getting these.
:AS51667 route: 91.220.31.0/24 descr: Renaissance Construction descr: Russian Federation, 194021, Saint-Petersburg descr: Shatelena ul. 26/A origin: AS51667 mnt-by: AS6850-MNT mnt-by: RC-RIPE-MNT mnt-by: MEGAFON-RIPE-MNT created: 2010-10-18T10:28:12Z last-modified: 2022-05-24T13:06:21Z 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