These entries are queried from radb.net using whois, you can try my project getting these.
:AS25150 route: 193.0.228.0/24 descr: DCTel IP block origin: AS25150 notify: hostmaster [at] dctel.net.ua mnt-by: DCTEL-MNT created: 2002-08-09T09:04:07Z last-modified: 2002-08-09T09:04:07Z 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: 195.189.8.0/22 descr: DCTel origin: AS25150 mnt-by: DCTEL-MNT created: 2006-08-18T11:31:40Z last-modified: 2006-08-18T11:31:40Z 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: 195.189.8.0/24 descr: DCTel xDSL and Radio subnets origin: AS25150 mnt-by: DCTEL-MNT created: 2006-08-18T11:54:41Z last-modified: 2006-08-18T11:54:41Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 195.189.9.0/24 descr: DCTel other subnets origin: AS25150 mnt-by: DCTEL-MNT created: 2006-08-18T12:05:20Z last-modified: 2006-08-18T12:05:20Z 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: 195.189.10.0/24 descr: DCTel dialup and other subnets origin: AS25150 mnt-by: DCTEL-MNT created: 2006-12-05T09:29:55Z last-modified: 2006-12-05T09:29:55Z 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