These entries are queried from radb.net using whois, you can try my project getting these.
:AS37568 route: 196.220.96.0/19 descr: NUST Block origin: AS37568 mnt-by: HT59918-MNT created: 2013-04-17T09:39:22Z last-modified: 2018-09-04T17:38:05Z source: RIPE-NONAUTH 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: 196.220.96.0/21 descr: NUST Block origin: AS37568 mnt-by: HT59918-MNT created: 2014-10-24T11:49:38Z last-modified: 2018-09-04T18:01:15Z source: RIPE-NONAUTH 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: 196.220.96.0/22 descr: NUST-Block origin: AS37568 mnt-by: HT59918-MNT created: 2013-04-22T09:05:09Z last-modified: 2018-09-04T17:38:08Z source: RIPE-NONAUTH 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: 196.220.96.0/24 descr: NUST Block origin: AS37568 mnt-by: HT59918-MNT created: 2014-10-24T11:52:05Z last-modified: 2018-09-04T18:01:16Z source: RIPE-NONAUTH 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: 196.220.98.0/23 descr: NUST Block origin: AS37568 mnt-by: HT59918-MNT created: 2014-10-24T11:50:11Z last-modified: 2018-09-04T18:01:15Z source: RIPE-NONAUTH 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: 196.220.120.0/23 descr: NUST Block origin: AS37568 mnt-by: HT59918-MNT created: 2013-04-17T09:46:57Z last-modified: 2018-09-04T17:38:05Z source: RIPE-NONAUTH 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: 196.220.122.0/23 descr: NUST Block origin: AS37568 mnt-by: HT59918-MNT created: 2013-04-17T09:44:37Z last-modified: 2018-09-04T17:38:05Z source: RIPE-NONAUTH 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: 196.220.124.0/22 descr: NUST Block origin: AS37568 mnt-by: HT59918-MNT created: 2013-04-22T09:07:27Z last-modified: 2018-09-04T17:38:09Z source: RIPE-NONAUTH 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