These entries are queried from radb.net using whois, you can try my project getting these.
:AS56621 route: 91.238.88.0/22 descr: Intech Ltd origin: AS56621 mnt-by: MNT-IntexLtd created: 2012-05-11T10:50:22Z last-modified: 2013-07-15T08:36:43Z 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: 91.238.88.0/23 origin: AS56621 mnt-by: MNT-IntexLtd created: 2022-12-27T09:31:42Z last-modified: 2022-12-27T09:31:42Z 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: 91.238.90.0/23 origin: AS56621 mnt-by: MNT-IntexLtd created: 2022-12-27T09:32:12Z last-modified: 2022-12-27T09:32:12Z 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: 195.128.153.0/24 descr: Intech Ltd origin: AS56621 mnt-by: MNT-IntexLtd created: 2011-05-03T08:02:48Z last-modified: 2011-05-03T08:02:48Z 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: 213.171.0.0/24 origin: AS56621 mnt-by: net_comlink-mnt created: 2023-11-04T18:33:52Z last-modified: 2023-11-04T18:33:52Z 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: 2a13:b301::/32 origin: AS56621 mnt-by: MNT-IntexLtd created: 2023-02-16T10:01:50Z last-modified: 2023-02-16T10:01:50Z 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