These entries are queried from radb.net using whois, you can try my project getting these.
:AS43418 route: 91.197.48.0/22 descr: ANTIDOT Route object origin: AS43418 mnt-by: MNT-ANTIDOT created: 2007-08-05T19:11:53Z last-modified: 2011-06-24T17:10:27Z 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: 91.197.48.0/24 descr: ANTIDOT Route object origin: AS43418 mnt-by: MNT-ANTIDOT created: 2010-09-28T15:11:42Z last-modified: 2010-09-28T15:11:42Z 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: valid route: 91.197.49.0/24 descr: ANTIDOT Route object origin: AS43418 mnt-by: MNT-ANTIDOT created: 2010-09-28T15:11:52Z last-modified: 2010-09-28T15:11:52Z 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 route: 91.197.50.0/24 descr: ANTIDOT Route object origin: AS43418 mnt-by: MNT-ANTIDOT created: 2010-09-28T15:12:07Z last-modified: 2010-09-28T15:12:07Z 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 route: 91.197.51.0/24 descr: ANTIDOT Route object origin: AS43418 mnt-by: MNT-ANTIDOT created: 2010-09-28T15:12:12Z last-modified: 2010-09-28T15:12:12Z 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: valid