These entries are queried from radb.net using whois, you can try my project getting these.
:AS31222 route: 83.147.64.0/18 descr: TERRA S.p.A. 1st Block origin: AS31222 remarks: 1st block released to TERRA S.p.A notify: ip.admin [at] gruppoterra.it mnt-by: FLY-MNT created: 2009-08-04T16:18:16Z last-modified: 2018-01-12T16:09:03Z 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: 83.147.64.0/20 descr: TERRA S.p.A. 2st Block origin: AS31222 remarks: 2st block released to TERRA S.p.A notify: ip.admin [at] gruppoterra.it mnt-by: FLY-MNT created: 2009-08-04T16:19:10Z last-modified: 2017-12-21T14:57:20Z 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: 83.147.80.0/22 descr: TERRA S.p.A. 3st Block origin: AS31222 remarks: 3st block released to TERRA S.p.A notify: sauro.carsughi [at] gruppoterra.it mnt-by: FLY-MNT created: 2009-08-04T16:19:32Z last-modified: 2016-09-16T13:56:04Z 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: 83.147.84.0/22 descr: TERRA S.p.A. 4st Block origin: AS31222 remarks: 4st block released to TERRA S.p.A notify: ip.admin [at] gruppoterra.it mnt-by: FLY-MNT created: 2009-08-04T16:19:58Z last-modified: 2017-12-21T15:06:06Z 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: 83.147.88.0/21 descr: TERRA S.p.A. 5st Block origin: AS31222 remarks: 5st block released to TERRA S.p.A notify: sauro.carsughi [at] gruppoterra.it mnt-by: FLY-MNT created: 2009-08-04T16:20:34Z last-modified: 2016-09-16T13:56:35Z 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: 83.147.96.0/19 descr: TERRA S.p.A. 6st Block origin: AS31222 remarks: 6st block released to TERRA S.p.A notify: luca.lambruschini [at] gruppoterra.it mnt-by: FLY-MNT created: 2009-08-04T16:21:04Z last-modified: 2016-09-16T13:52:08Z 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: 83.147.96.0/20 descr: TERRA S.p.A. 6st Block (resub) origin: AS31222 remarks: 6st block released to TERRA S.p.A (resub) notify: sauro.carsughi [at] gruppoterra.it mnt-by: FLY-MNT created: 2016-06-20T14:11:19Z last-modified: 2016-09-16T13:54:17Z 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: 185.156.240.0/22 descr: TERRA S.p.A. 8st Block origin: AS31222 remarks: 8st block released to TERRA S.p.A notify: ip.admin [at] gruppoterra.it mnt-by: FLY-MNT created: 2016-06-21T13:48:22Z last-modified: 2017-12-21T14:45:18Z 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: 217.72.40.0/21 descr: TERRA S.p.A. 7st Block origin: AS31222 remarks: 7st block released to TERRA S.p.A notify: ip.admin [at] gruppoterra.it mnt-by: FLY-MNT created: 2016-06-20T14:18:08Z last-modified: 2017-12-21T14:44:03Z 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: 2a02:7320::/32 descr: Terra S.p.A. 1st IPV6 block origin: AS31222 mnt-by: FLY-MNT created: 2014-06-10T11:05:44Z last-modified: 2014-06-10T11:05:44Z 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