These entries are queried from radb.net using whois, you can try my project getting these.
:AS39392 route: 37.235.96.0/20 descr: SuperNetwork s.r.o. origin: AS39392 mnt-by: SUPERNETWORK-MNT created: 2012-04-17T12:58:45Z last-modified: 2012-04-17T12:58:45Z 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: 46.234.96.0/19 descr: SuperNetwork s.r.o. origin: AS39392 mnt-by: SUPERNETWORK-MNT created: 2011-02-25T14:51:01Z last-modified: 2011-02-25T14:51:01Z 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: 46.234.121.0/24 origin: AS39392 descr: SH-PCZ mnt-by: SUPERNETWORK-MNT created: 2022-05-04T14:21:27Z last-modified: 2022-05-04T14:21:27Z 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: 88.86.96.0/19 descr: SuperNetwork s.r.o. origin: AS39392 mnt-by: SUPERNETWORK-MNT created: 2006-02-15T13:57:11Z last-modified: 2006-02-15T13:57:11Z 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: 95.168.192.0/19 descr: SuperNetwork s.r.o. origin: AS39392 mnt-by: SUPERNETWORK-MNT created: 2009-01-07T23:12:31Z last-modified: 2009-01-07T23:12:31Z 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: 95.168.223.0/24 origin: AS39392 mnt-by: SUPERNETWORK-MNT created: 2017-12-18T18:19:21Z last-modified: 2017-12-18T18:19:21Z 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: valid route: 185.75.232.0/22 descr: Ecay networks IPv4 subnet origin: AS39392 mnt-by: ECAY-MNT created: 2015-10-16T10:07:34Z last-modified: 2022-05-31T13:39:35Z 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: 185.80.30.0/24 origin: AS39392 mnt-by: mnt-cz-hostujto-1 created: 2020-07-09T14:10:40Z last-modified: 2020-07-09T14:10:40Z 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: valid route: 185.203.84.0/24 origin: AS39392 mnt-by: cz-navmatix-1-mnt mnt-by: SUPERNETWORK-MNT created: 2017-05-22T11:06:19Z last-modified: 2017-05-22T11:06:19Z 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: valid route: 185.203.85.0/24 origin: AS39392 mnt-by: cz-navmatix-1-mnt mnt-by: SUPERNETWORK-MNT created: 2018-04-18T14:58:04Z last-modified: 2018-04-18T14:58:04Z 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: 185.247.28.0/22 origin: AS39392 descr: ITwp route mnt-by: SUPERNETWORK-MNT created: 2020-09-25T09:52:43Z last-modified: 2020-09-25T09:52:43Z 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: 185.247.30.0/23 origin: AS39392 mnt-by: MNT-WPHosting created: 2020-04-15T14:51:21Z last-modified: 2020-04-15T14:51:21Z source: RIPE descr: WPHosting advertisement 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: 195.190.140.0/24 descr: Mailprofiler origin: AS39392 mnt-by: SUPERNETWORK-MNT created: 2010-07-17T15:40:17Z last-modified: 2010-07-17T15:40:17Z source: RIPE notify: jiri [at] superhosting.cz 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: 213.109.164.0/22 descr: Stable.cz origin: AS39392 mnt-by: mnt-cz-stable-1 created: 2018-11-09T12:09:43Z last-modified: 2018-11-09T12:09:43Z 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: 2a01:28::/32 descr: SuperNetwork s.r.o. origin: AS39392 mnt-by: SUPERNETWORK-MNT created: 2011-05-13T11:52:16Z last-modified: 2011-05-13T11:52:16Z 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 route6: 2a02:6ea0:cd77::/48 descr: CDN77-v6-anycast origin: AS39392 mnt-by: SUPERNETWORK-MNT created: 2015-12-07T14:01:12Z last-modified: 2015-12-07T14:01:12Z 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: 2a09:ec00::/29 descr: Stable.cz IPv6 prefix origin: AS39392 mnt-by: mnt-cz-stable-1 created: 2018-11-09T12:10:25Z last-modified: 2018-11-09T12:10:25Z 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: valid route6: 2a0d:b880::/29 origin: AS39392 mnt-by: MNT-WPHosting created: 2020-04-15T14:52:16Z last-modified: 2020-04-15T14:52:16Z source: RIPE descr: WPHosting announcement 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: 2a10:3900::/48 origin: AS39392 mnt-by: mnt-cz-hostujto-1 created: 2020-07-09T21:15:11Z last-modified: 2020-07-09T21:15:11Z 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