These entries are queried from radb.net using whois, you can try my project getting these.
:AS15835 route6: 2001:6d0:d4::/48 descr: MSK-IX 6ORS auth origin: AS15835 mnt-by: RUIX-MNT created: 2018-08-29T10:09:44Z last-modified: 2019-04-26T11:17:00Z 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: 2001:6d0:d5::/48 descr: MSK-IX 6ORS res origin: AS15835 mnt-by: RUIX-MNT created: 2018-08-29T10:12:29Z last-modified: 2019-04-26T11:18:47Z 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: 2001:6d0:ffc7::/48 descr: RIPE-WHOIS-MIRROR origin: AS15835 mnt-by: RUIX-MNT created: 2012-07-13T14:03:57Z last-modified: 2012-07-13T14:03:57Z 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: 2001:6d0:ffd0::/48 descr: Moscow Network Access Point (SPB) origin: AS15835 mnt-by: RUIX-MNT created: 2012-03-28T09:16:27Z last-modified: 2020-09-04T12:58:11Z 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: 2001:6d0:ffd8::/48 descr: MAP origin: AS15835 mnt-by: RUIX-MNT created: 2010-07-14T07:28:09Z last-modified: 2019-04-26T12:26:02Z 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