These entries are queried from radb.net using whois, you can try my project getting these.
:AS212272 route: 176.100.253.0/24 origin: AS212272 mnt-by: SEVEREN-MNT created: 2020-11-26T15:34:29Z last-modified: 2023-06-21T12:27:46Z 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