These entries are queried from radb.net using whois, you can try my project getting these.
:AS5516 route: 146.193.0.0/19 descr: INESC - Instituto de Engenharia de Sistemas e Computadores descr: Lisboa, Portugal origin: AS5516 notify: redes [at] inesc.pt mnt-by: INESC-MNT created: 2004-04-05T12:32:01Z last-modified: 2007-03-16T17:33:33Z 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: 146.193.32.0/19 descr: INESC - Instituto de Engenharia de Sistemas e Computadores descr: Lisboa, Portugal origin: AS5516 notify: redes [at] inesc.pt mnt-by: INESC-MNT created: 2004-04-05T12:34:27Z last-modified: 2007-03-16T17:33:57Z 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 route: 146.193.64.0/18 descr: INESC - Instituto de Engenharia de Sistemas e Computadores descr: Lisboa, Portugal origin: AS5516 notify: redes [at] inesc.pt mnt-by: INESC-MNT created: 2004-04-05T12:36:44Z last-modified: 2007-03-16T17:34:31Z 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: 146.193.128.0/18 descr: INESC - Instituto de Engenharia de Sistemas e Computadores descr: Lisboa, Portugal origin: AS5516 notify: redes [at] inesc.pt mnt-by: INESC-MNT created: 2015-04-07T18:52:48Z last-modified: 2015-04-07T18:52:48Z 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: 146.193.192.0/19 descr: INESC - Instituto de Engenharia de Sistemas e Computadores descr: Lisboa, Portugal origin: AS5516 notify: redes [at] inesc.pt mnt-by: INESC-MNT created: 2015-04-07T18:54:07Z last-modified: 2015-04-07T18:54:07Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 146.193.224.0/19 descr: INESC - Instituto de Engenharia de Sistemas e Computadores descr: Lisboa, Portugal origin: AS5516 notify: redes [at] inesc.pt mnt-by: INESC-MNT created: 2015-04-07T18:55:37Z last-modified: 2015-04-07T18:55:37Z 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: 192.12.232.0/24 descr: INESC - Instituto de Engenharia de Sistemas e Computadores descr: Lisboa, Portugal origin: AS5516 notify: redes [at] inesc.pt mnt-by: INESC-MNT created: 1970-01-01T00:00:00Z last-modified: 2007-03-16T17:24:33Z 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: 194.117.32.0/22 descr: INESC - Instituto de Engenharia de Sistemas e Computadores descr: Lisboa, Portugal origin: AS5516 notify: redes [at] inesc.pt mnt-by: INESC-MNT created: 1970-01-01T00:00:00Z last-modified: 2007-03-16T17:29:12Z 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