These entries are queried from radb.net using whois, you can try my project getting these.
:AS209775 route: 176.53.152.0/22 origin: AS209775 mnt-by: mnt-ru-solidnet-1 created: 2019-10-28T15:53:24Z last-modified: 2019-10-28T16:34:07Z 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 route: 176.53.152.0/23 origin: AS209775 mnt-by: mnt-ru-solidnet-1 created: 2020-11-15T17:49:06Z last-modified: 2020-11-15T17:49:06Z 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 route: 176.53.154.0/24 origin: AS209775 mnt-by: mnt-ru-solidnet-1 created: 2020-11-15T17:49:51Z last-modified: 2020-11-15T17:50:03Z 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