These entries are queried from radb.net using whois, you can try my project getting these.
:AS211960 route: 193.228.137.0/24 origin: AS211960 mnt-by: MEIS-MNT created: 2021-05-12T12:27:58Z last-modified: 2021-05-12T12:27:58Z 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: 2001:67c:2924::/48 descr: Meis Legacy IPv6 network origin: AS211960 mnt-by: MEIS-MNT created: 2021-02-01T22:23:36Z last-modified: 2021-06-30T09:39:05Z source: RIPE org: ORG-RM219-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: 2a04:1ac0:fff3::/48 origin: AS211960 mnt-by: MEIS-MNT created: 2021-07-18T17:00:24Z last-modified: 2021-07-18T17:00:24Z 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: 2a04:1ac0:fff4::/48 origin: AS211960 mnt-by: MEIS-MNT created: 2021-07-18T17:00:06Z last-modified: 2021-07-18T17:00:06Z 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 route6: 2a04:1ac1::/32 origin: AS211960 mnt-by: MEIS-MNT created: 2021-06-24T22:07:19Z last-modified: 2021-06-24T22:07:19Z 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: 2a04:1ac1:1::/48 origin: AS211960 mnt-by: MEIS-MNT created: 2021-07-08T14:53:19Z last-modified: 2021-07-08T14:53:19Z 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: 2a04:1ac1:2::/48 origin: AS211960 mnt-by: MEIS-MNT created: 2021-07-08T14:53:55Z last-modified: 2021-07-08T14:53:55Z 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: 2a04:1ac1:3::/48 origin: AS211960 mnt-by: MEIS-MNT created: 2022-08-16T18:47:27Z last-modified: 2022-08-16T18:47:27Z 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: 2a04:1ac1:10::/48 origin: AS211960 mnt-by: MEIS-MNT created: 2022-05-09T16:26:53Z last-modified: 2022-05-09T16:26:53Z 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: 2a04:1ac1:11::/48 origin: AS211960 mnt-by: MEIS-MNT created: 2022-05-09T16:28:15Z last-modified: 2022-05-09T16:28:15Z 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 route6: 2a04:1ac2:1::/48 origin: AS211960 mnt-by: MEIS-MNT created: 2021-06-25T05:20:13Z last-modified: 2021-06-25T05:20:13Z 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: not_found # No ROAs found, or RPKI validation not enabled for source