These entries are queried from radb.net using whois, you can try my project getting these.
:AS209936 route: 185.242.164.0/22 mnt-routes: nl-databalance-1-mnt mnt-routes: DATAWEB-MNT descr: Databalance Services B.V. mnt-lower: DATAWEB-MNT origin: AS209936 mnt-by: nl-databalance-1-mnt created: 2018-11-08T10:57:21Z last-modified: 2019-07-01T15:03:10Z 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: 2a0c:e780::/29 descr: Databalance Services B.V. mnt-routes: DATAWEB-MNT mnt-routes: nl-databalance-1-mnt mnt-lower: DATAWEB-MNT origin: AS209936 mnt-by: nl-databalance-1-mnt created: 2018-11-08T11:02:28Z last-modified: 2019-07-01T14:57:36Z 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: valid