These entries are queried from radb.net using whois, you can try my project getting these.
:AS43588 route: 31.131.0.0/21 descr: IM LEVEL7 SRL origin: AS43588 mnt-by: SECURED-MNT created: 2011-05-31T12:06:03Z last-modified: 2014-11-20T16:21:40Z 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: 31.131.0.0/22 descr: Vultr Customer Route origin: AS43588 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20221202 #00:35:48-18000 source: RADB last-modified: 2023-11-13T16:13:10Z rpki-ov-state: valid route: 31.131.0.0/22 descr: iHost origin: AS43588 mnt-by: SECURED-MNT created: 2013-09-23T14:38:16Z last-modified: 2020-10-23T07:52:02Z 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: 31.131.4.0/23 descr: IM LEVEL7 SRL origin: AS43588 mnt-by: SECURED-MNT created: 2013-09-23T14:39:01Z last-modified: 2013-09-23T14:39:01Z 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: valid route: 31.131.6.0/24 descr: IM LEVEL7 SRL origin: AS43588 mnt-by: SECURED-MNT created: 2013-09-23T14:39:32Z last-modified: 2013-09-23T14:39:32Z 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: 31.131.7.0/24 descr: IM LEVEL7 SRL origin: AS43588 mnt-by: SECURED-MNT created: 2021-08-25T12:36:23Z last-modified: 2021-08-25T12:36:23Z 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: 91.216.47.0/24 origin: AS43588 mnt-by: md-level7-1-mnt mnt-by: SECURED-MNT created: 2019-06-25T11:49:11Z last-modified: 2019-06-25T11:49:11Z 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: 91.216.47.0/24 descr: Vultr Customer Route origin: AS43588 notify: network [at] choopa.com mnt-by: MAINT-AS20473 changed: network [at] choopa.com 20221202 #00:35:48-18000 source: RADB last-modified: 2023-11-13T16:13:10Z rpki-ov-state: valid route: 91.228.108.0/22 descr: IM LEVEL7 SRL origin: AS43588 mnt-by: SECURED-MNT created: 2011-05-31T12:06:36Z last-modified: 2011-12-23T13:52:37Z 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