These entries are queried from radb.net using whois, you can try my project getting these.
:AS41142 route: 176.121.80.0/22 descr: AMSNET-BIS-ROUTE-80by41142 origin: AS41142 mnt-by: AMSNET-MNT created: 2012-10-01T16:58:33Z last-modified: 2012-10-01T16:58:33Z 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: 176.121.84.0/24 descr: AMSNET-BIS-ROUTE-84by41142 origin: AS41142 mnt-by: AMSNET-MNT created: 2012-10-02T09:43:59Z last-modified: 2012-10-02T09:43:59Z 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: 176.121.85.0/24 descr: AMSNET-BIS-ROUTE-85by41142 origin: AS41142 mnt-by: AMSNET-MNT created: 2012-10-02T09:46:36Z last-modified: 2012-10-02T09:46:36Z 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: 176.121.86.0/24 descr: AMSNET-86-ROUTE origin: AS41142 mnt-by: AMSNET-MNT created: 2012-08-12T22:54:00Z last-modified: 2012-08-12T22:54:00Z 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: 176.121.87.0/24 descr: AMSNET-87-ROUTE origin: AS41142 mnt-by: AMSNET-MNT created: 2012-07-27T16:52:01Z last-modified: 2012-07-27T16:52:01Z 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: 195.64.174.0/23 descr: AMSNET origin: AS41142 mnt-by: AMSNET-MNT mnt-routes: AMSNET-MNT notify: info [at] amsnet.pl created: 2006-07-04T14:37:30Z last-modified: 2013-05-07T15:35:44Z 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: 195.64.174.0/24 descr: AMSNET-CENTR-ROUTE-174by41142 origin: AS41142 mnt-by: AMSNET-MNT created: 2013-05-07T15:34:01Z last-modified: 2013-05-07T15:34:01Z 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: 195.64.175.0/24 descr: AMSNET-CENTR-ROUTE-175by41142 origin: AS41142 mnt-by: AMSNET-MNT created: 2013-05-07T15:37:33Z last-modified: 2013-05-07T15:37:33Z 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