These entries are queried from radb.net using whois, you can try my project getting these.
:AS51605 route: 193.203.198.0/23 descr: XS Soft origin: AS51605 mnt-by: SPNET-MNT notify: registry-ripe [at] spnet.net created: 2010-10-06T16:21:46Z last-modified: 2010-10-06T16:21:46Z 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: 193.203.198.0/24 descr: XS Soft origin: AS51605 mnt-by: SPNET-MNT notify: registry-ripe [at] spnet.net created: 2011-01-07T14:51:46Z last-modified: 2011-01-07T14:51:46Z 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: 193.203.199.0/24 descr: XS Soft origin: AS51605 mnt-by: SPNET-MNT notify: registry-ripe [at] spnet.net created: 2011-01-07T14:52:28Z last-modified: 2011-01-07T14:52:28Z 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: 2001:67c:21c8::/48 descr: XS Soft origin: AS51605 mnt-by: SPNET-MNT notify: registry-ripe [at] spnet.net created: 2011-04-11T14:59:19Z last-modified: 2011-04-11T14:59:19Z 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