These entries are queried from radb.net using whois, you can try my project getting these.
:AS50392 route: 91.237.244.0/22 descr: Campus Networks origin: AS50392 mnt-by: CAMPUS-RV-MNT created: 2012-04-04T18:38:52Z last-modified: 2012-04-04T18:39:46Z 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: valid route: 91.237.244.0/24 descr: Campus Networks origin: AS50392 mnt-by: CAMPUS-RV-MNT created: 2013-02-10T12:15:41Z last-modified: 2013-02-10T12:15:41Z 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: 91.237.245.0/24 descr: Campus Networks origin: AS50392 mnt-by: CAMPUS-RV-MNT created: 2013-02-10T12:15:51Z last-modified: 2013-02-10T12:15:51Z 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: 91.237.246.0/24 descr: Campus Networks origin: AS50392 mnt-by: CAMPUS-RV-MNT created: 2013-02-10T12:16:02Z last-modified: 2013-02-10T12:16:02Z 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: 91.237.247.0/24 descr: Campus Networks origin: AS50392 mnt-by: CAMPUS-RV-MNT created: 2013-02-10T12:16:14Z last-modified: 2013-02-10T12:16:14Z 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: 176.120.101.0/24 origin: AS50392 mnt-by: LANNNETUA-MNT created: 2018-12-21T09:48:21Z last-modified: 2018-12-21T09:48:21Z 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: 176.121.13.0/24 origin: AS50392 mnt-by: CAMPUS-RV-MNT created: 2019-06-12T15:36:15Z last-modified: 2019-06-12T15:36:15Z 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: 176.121.15.0/24 origin: AS50392 mnt-by: CAMPUS-RV-MNT created: 2017-11-06T09:58:16Z last-modified: 2017-11-06T09:58:16Z 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: 193.106.144.0/22 descr: Campus Networks origin: AS50392 mnt-by: CAMPUS-RV-MNT created: 2010-01-11T12:33:21Z last-modified: 2010-11-18T21:31:07Z 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: 193.106.144.0/24 descr: Campus Networks pingable: 193.106.144.27 origin: AS50392 mnt-by: CAMPUS-RV-MNT created: 2013-02-10T12:14:40Z last-modified: 2018-11-15T11:42:28Z 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: valid route: 193.106.145.0/24 descr: Campus Networks origin: AS50392 mnt-by: CAMPUS-RV-MNT created: 2013-02-10T12:14:52Z last-modified: 2013-02-10T12:14:52Z 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: 193.106.146.0/24 descr: Campus Networks origin: AS50392 mnt-by: CAMPUS-RV-MNT created: 2013-02-10T12:15:04Z last-modified: 2013-02-10T12:15:04Z 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: valid route: 193.106.147.0/24 descr: Campus Networks origin: AS50392 mnt-by: CAMPUS-RV-MNT created: 2013-02-10T12:15:15Z last-modified: 2013-02-10T12:15:15Z 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 route6: 2a00:fc00:e000::/48 descr: LLC "Campus Networks" remarks: Campus Networks origin: AS50392 mnt-by: AS3255-MNT created: 2013-01-15T15:36:50Z last-modified: 2019-02-21T11:42:25Z 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