These entries are queried from radb.net using whois, you can try my project getting these.
:AS51391 route6: 2a06:e881:117::/48 origin: AS51391 mnt-by: TBOWDITCH-MNT created: 2017-08-31T12:23:10Z last-modified: 2017-08-31T12:23:10Z 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: 2a06:e881:117::/48 descr: IonSwitch Customer #1687452 origin: AS51391 mnt-by: MAINT-AS23033 changed: support [at] wowrack.com 20171002 #14:34:46Z source: RADB last-modified: 2023-11-13T15:51:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2a06:e881:2400::/44 origin: AS51391 mnt-by: TBOWDITCH-MNT created: 2017-09-05T17:20:13Z last-modified: 2017-09-05T17:20:13Z 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 route6: 2a06:e881:2400::/44 descr: IonSwitch Customer #1687452 origin: AS51391 mnt-by: MAINT-AS23033 changed: support [at] wowrack.com 20171002 #14:31:27Z source: RADB last-modified: 2023-11-13T15:51:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2a0b:6b86:100::/40 origin: AS51391 mnt-by: igloo22225 mnt-by: TBOWDITCH-MNT created: 2017-12-21T23:43:25Z last-modified: 2017-12-21T23:43:25Z 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