These entries are queried from radb.net using whois, you can try my project getting these.
:AS31590 route: 77.247.64.0/20 descr: DK-RACKHOSTING-20070531 origin: AS31590 mnt-by: MNT-RH created: 2007-05-31T15:59:48Z last-modified: 2015-10-10T00:10:47Z 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: 185.110.80.0/22 descr: Plandent origin: AS31590 mnt-by: MNT-RH created: 2015-07-23T20:32:44Z last-modified: 2015-07-23T20:32:44Z 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 route: 185.121.60.0/22 descr: 185.121.60.0 origin: AS31590 mnt-by: MNT-RH created: 2016-01-11T15:16:10Z last-modified: 2016-01-11T15:16:10Z 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: 185.204.248.0/23 origin: AS31590 mnt-by: MNT-RH mnt-by: dk-rpc-1-mnt created: 2017-06-07T12:14:22Z last-modified: 2017-06-07T12:14:22Z 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: 185.204.251.0/24 origin: AS31590 mnt-by: MNT-RH mnt-by: dk-rpc-1-mnt created: 2018-03-12T10:06:48Z last-modified: 2018-03-12T10:06:48Z 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: 194.150.108.0/22 descr: Modulweb ApS origin: AS31590 mnt-by: MNT-RACKHOSTING created: 2004-06-18T09:53:03Z last-modified: 2004-12-07T14:59:54Z 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: 194.242.40.0/24 descr: Rackhosting ApS origin: AS31590 notify: hostmaster [at] rackhosting.com mnt-by: MNT-RH created: 2004-08-06T08:53:40Z last-modified: 2016-12-20T07:05:53Z 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: 195.190.31.0/24 origin: AS31590 mnt-by: MNT-RH created: 2016-10-26T07:56:19Z last-modified: 2016-10-26T07:56:19Z 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: 2a02:4de0::/32 descr: Rackhosting ApS IPv6 Network origin: AS31590 mnt-by: MNT-RH created: 2014-05-01T11:21:05Z last-modified: 2014-05-01T11:21:05Z 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