These entries are queried from radb.net using whois, you can try my project getting these.
:AS1126 route: 37.60.192.0/21 descr: NL-VANCIS-20120119 origin: AS1126 notify: ripecontact [at] vancis.nl mnt-by: VANCIS-LIR-MNT created: 2012-01-19T14:17:23Z last-modified: 2013-09-27T08:28:34Z 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: 85.90.64.0/19 descr: NL-VANCIS-20041108 origin: AS1126 notify: ripecontact [at] vancis.nl mnt-by: VANCIS-LIR-MNT created: 2008-10-27T14:01:50Z last-modified: 2013-09-27T08:28:34Z 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: 185.33.68.0/22 descr: NL-VANCIS-20130902 origin: AS1126 notify: ripecontact [at] vancis.nl mnt-by: VANCIS-LIR-MNT created: 2013-09-02T13:39:21Z last-modified: 2013-09-02T13:39:21Z 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: 194.13.72.0/21 descr: OLVG-ASD origin: AS1126 mnt-by: VANCIS-LIR-MNT notify: noc [at] vancis.nl created: 2006-04-19T16:17:43Z last-modified: 2013-07-16T13:07:06Z 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: 195.128.129.0/24 descr: SIGNET-ROCLEIJGRAAF origin: AS1126 mnt-lower: VANCIS-LIR-MNT mnt-routes: VANCIS-LIR-MNT mnt-by: VANCIS-LIR-MNT created: 2020-11-28T09:18:24Z last-modified: 2021-02-11T14:21:51Z 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: 2001:4d60::/32 descr: NL-VANCIS-20051006 origin: AS1126 notify: ripecontact [at] vancis.nl mnt-by: VANCIS-LIR-MNT created: 2009-12-15T09:55:40Z last-modified: 2015-09-24T13:39:37Z 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