These entries are queried from radb.net using whois, you can try my project getting these.
:AS394028 route: 172.102.232.0/21 origin: AS394028 mnt-by: us-dlvr-1-mnt created: 2016-07-29T23:08:25Z last-modified: 2018-09-04T18:30:32Z 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: 185.161.104.0/22 origin: AS394028 mnt-by: us-dlvr-1-mnt created: 2016-07-29T23:04:50Z last-modified: 2016-07-29T23:04:50Z 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: 2620:122:9000::/44 origin: AS394028 mnt-by: us-dlvr-1-mnt created: 2016-07-29T23:09:32Z last-modified: 2018-09-04T19:45:06Z 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 route6: 2a07:c4c0::/29 origin: AS394028 mnt-by: us-dlvr-1-mnt created: 2016-07-29T23:04:20Z last-modified: 2016-07-29T23:04:20Z 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