These entries are queried from radb.net using whois, you can try my project getting these.
:AS50176 route: 91.149.170.0/24 descr: DELEGATED FROM PRIZMA origin: AS50176 mnt-by: BYGIS-MNT created: 2011-02-28T10:15:31Z last-modified: 2011-02-28T10:15:31Z 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: 93.125.96.0/24 descr: DELEGATED FROM PRIZMA origin: AS50176 mnt-by: BYGIS-MNT created: 2009-11-26T15:12:01Z last-modified: 2009-11-26T15:12:01Z 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: 93.125.118.0/24 descr: DELEGATED FROM PRIZMA origin: AS50176 mnt-by: BYGIS-MNT created: 2009-11-26T15:12:01Z last-modified: 2009-11-26T15:12:01Z 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: 178.172.202.0/24 descr: DELEGATED FROM PRIZMA origin: AS50176 mnt-by: BYGIS-MNT created: 2010-12-28T12:19:59Z last-modified: 2010-12-28T12:19:59Z 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: 178.172.243.0/24 descr: DELEGATED FROM PRIZMA origin: AS50176 mnt-by: BYGIS-MNT created: 2012-10-03T07:55:43Z last-modified: 2012-10-03T07:55:43Z 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 route6: 2a0a:eac2::/48 origin: AS50176 mnt-by: COSMOSTV-MNT created: 2020-01-17T13:38:39Z last-modified: 2020-01-17T13:38:39Z 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