These entries are queried from radb.net using whois, you can try my project getting these.
:AS48989 route: 64.138.24.0/24 descr: RMS_RISK_MANAGEMENT_SOLUTIONS origin: AS48989 mnt-by: MAINT-AS18101 changed: somg.dataprovisioning [at] relianceada.com 20120104 #07:56:33Z source: RADB last-modified: 2023-11-13T15:47:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 80.241.77.0/24 descr: Risk Management Multihoming Block admin-c: MU1-LEVEL3 tech-c: MU1-LEVEL3 origin: AS48989 mnt-by: MASERGY-MNT changed: tim.wickline [at] masergy.com 20111118 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 185.253.20.0/24 origin: AS48989 mnt-by: ru-cdnllc-1-mnt mnt-by: RU-DOCKER-MNT created: 2018-06-04T13:33:39Z last-modified: 2021-02-15T17:05:20Z 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: 2a04:8582::/32 origin: AS48989 mnt-by: RU-DOCKER-MNT created: 2022-08-01T16:47:56Z last-modified: 2022-08-01T16:47:56Z 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: 2a0c:3140:ffff::/48 origin: AS48989 mnt-by: ru-cdnllc-1-mnt created: 2018-06-04T14:09:48Z last-modified: 2018-06-04T14:09:48Z 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