These entries are queried from radb.net using whois, you can try my project getting these.
:AS208087 route: 146.120.158.0/23 origin: AS208087 mnt-by: RIPE-DB-MNT mnt-by: MNT-EDINOS created: 2021-09-27T14:47:15Z last-modified: 2021-09-27T14:47:15Z 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: 146.120.158.0/24 origin: AS208087 mnt-by: MNT-EDINOS created: 2021-09-30T01:11:34Z last-modified: 2021-09-30T01:11:34Z 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: 146.120.159.0/24 origin: AS208087 mnt-by: MNT-EDINOS created: 2021-09-30T01:12:25Z last-modified: 2021-09-30T01:12:25Z 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 route: 146.120.196.0/23 origin: AS208087 mnt-by: RIPE-DB-MNT created: 2023-08-25T09:08:21Z last-modified: 2023-08-25T09:08:21Z 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: 146.120.196.0/24 origin: AS208087 mnt-by: RIPE-DB-MNT created: 2023-08-25T09:08:21Z last-modified: 2023-08-25T09:08:21Z 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: 146.120.197.0/24 origin: AS208087 mnt-by: RIPE-DB-MNT created: 2023-08-25T09:08:21Z last-modified: 2023-08-25T09:08:21Z 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: 146.120.246.0/23 origin: AS208087 mnt-by: RIPE-DB-MNT mnt-by: MNT-EDINOS created: 2019-10-04T12:38:49Z last-modified: 2020-10-19T08:45:50Z 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: 146.120.246.0/24 origin: AS208087 mnt-by: MNT-EDINOS created: 2020-10-29T10:07:06Z last-modified: 2020-10-29T10:07:06Z 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: valid route: 146.120.247.0/24 origin: AS208087 mnt-by: MNT-EDINOS created: 2020-10-29T10:08:02Z last-modified: 2020-10-29T10:08:02Z 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