These entries are queried from radb.net using whois, you can try my project getting these.
:AS53363 route: 85.208.108.0/24 origin: AS53363 mnt-by: FIRSTDC-MNT created: 2024-04-04T11:10:31Z last-modified: 2024-04-04T11:10:31Z 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: 91.194.11.0/24 mnt-by: STARK-MNT created: 2021-01-18T21:45:50Z last-modified: 2022-02-21T21:22:21Z source: RIPE origin: AS53363 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: 146.19.106.0/24 origin: AS53363 mnt-by: MNT-DGTL mnt-by: DGTL-MNT mnt-by: DGTL-API-MNT created: 2021-11-18T18:46:13Z last-modified: 2021-11-18T18:46:13Z 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: 193.203.203.0/24 mnt-by: STARK-MNT created: 2020-11-25T15:56:49Z last-modified: 2022-02-21T21:22:19Z source: RIPE origin: AS53363 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: 194.4.50.0/24 origin: AS53363 mnt-by: STARK-MNT created: 2022-11-28T19:03:07Z last-modified: 2022-11-28T19:03:07Z 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: 199.195.228.0/22 origin: AS53363 descr: TANGRAM CANADA INC mnt-by: MNT-TANGR-2 changed: noc [at] tangram.biz 20191128 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.204.72.0/21 origin: AS53363 descr: TANGRAM CANADA INC mnt-by: MNT-TANGR-2 changed: noc [at] tangram.biz 20191128 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source