These entries are queried from radb.net using whois, you can try my project getting these.
:AS41027 route: 195.189.228.0/23 descr: Netexpert Route origin: AS41027 mnt-by: NETEXPERT-MNT notify: noc [at] netxp.net.ua created: 2006-06-01T12:29:39Z last-modified: 2013-06-25T22:56:13Z 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: 195.189.228.0/24 descr: Netexpert Route 1 origin: AS41027 mnt-by: NETEXPERT-MNT created: 2013-07-02T11:21:56Z last-modified: 2013-07-02T11:21:56Z 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: 195.189.229.0/24 descr: Netexpert Route 2 origin: AS41027 mnt-by: NETEXPERT-MNT created: 2013-07-02T11:25:38Z last-modified: 2013-07-02T11:25:38Z 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 route6: 2607:90c0::/32 origin: AS41027 descr: President and Fellows of Harvard College LMANET admin-c: HARVAR1636 tech-c: HARVAR1636 mnt-by: MAINT-AS1742 changed: pmcevilly [at] harvard.edu 20240201 # 1722Z source: RADB last-modified: 2024-02-01T17:22:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source