These entries are queried from radb.net using whois, you can try my project getting these.
:AS41038 route: 91.233.22.0/23 descr: Mediacaster origin: AS41038 mnt-by: MEDIACASTER-MNT created: 2011-12-01T18:18:12Z last-modified: 2011-12-01T18:18:12Z 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: valid route: 157.97.96.0/24 origin: AS41038 mnt-by: MEDIACASTER-MNT created: 2016-09-19T14:26:21Z last-modified: 2016-09-19T14:26:21Z source: RIPE org: ORG-MB12-RIPE descr: MC-CUST-NET-3 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: 185.187.124.0/22 descr: CLOUDBRAINS-IPV4-NET1 origin: AS41038 mnt-by: nl-cloudbrains-1-mnt org: ORG-DGB5-RIPE created: 2017-01-27T13:39:58Z last-modified: 2017-01-27T13:39:58Z 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: valid route: 194.30.182.0/24 descr: Mediacaster origin: AS41038 mnt-by: MEDIACASTER-MNT mnt-by: nl-cloudbrains-1-mnt created: 2008-04-02T22:18:50Z last-modified: 2017-09-27T16:27:33Z source: RIPE notify: support [at] mediacaster.nl 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: valid route: 195.95.175.0/24 descr: Mediacaster origin: AS41038 mnt-by: MEDIACASTER-MNT mnt-by: nl-cloudbrains-1-mnt created: 2006-10-11T15:29:14Z last-modified: 2017-09-27T15:59:13Z source: RIPE notify: support [at] mediacaster.nl 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: valid route6: 2001:678:250::/48 origin: AS41038 mnt-by: MEDIACASTER-MNT created: 2016-09-19T14:28:53Z last-modified: 2016-09-19T14:28:53Z source: RIPE descr: MC-CUST-NET6-3 org: ORG-MB12-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: valid route6: 2001:67c:25b8::/48 descr: MEDIACASTER-IPV6-NET origin: AS41038 mnt-by: MEDIACASTER-MNT created: 2014-02-11T18:47:25Z last-modified: 2014-02-11T18:47:25Z 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: valid route6: 2a0b:a180::/29 descr: CLOUDBRAINS-IPV6-NET1 origin: AS41038 mnt-by: nl-cloudbrains-1-mnt org: ORG-DGB5-RIPE created: 2017-01-25T14:55:27Z last-modified: 2017-01-25T14:55:27Z 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: valid