These entries are queried from radb.net using whois, you can try my project getting these.
:AS51942 route: 81.173.44.0/22 origin: AS51942 mnt-by: MNT-EKMEDIA created: 2016-12-30T13:18:08Z last-modified: 2016-12-30T13:18:08Z 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: 91.221.150.0/23 descr: EK-Media B.V. origin: AS51942 mnt-by: MNT-EKMEDIA created: 2012-08-30T13:26:23Z last-modified: 2015-12-29T16:05:27Z 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: 91.235.174.0/24 origin: AS51942 mnt-by: SRXS-MNT created: 2021-12-06T12:20:47Z last-modified: 2021-12-06T12:20:47Z 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: valid route: 185.38.103.0/24 origin: AS51942 mnt-by: SRXS-MNT created: 2021-12-06T12:17:31Z last-modified: 2021-12-06T12:17:31Z 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: 185.133.36.0/22 descr: EK-Media B.V. origin: AS51942 mnt-by: MNT-EKMEDIA created: 2015-12-29T19:52:30Z last-modified: 2015-12-29T20:00:50Z 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: valid route: 188.227.204.0/22 origin: AS51942 mnt-by: SRXS-MNT created: 2021-12-06T12:13:51Z last-modified: 2021-12-06T12:13:51Z 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: 195.69.225.0/24 origin: AS51942 mnt-by: SRXS-MNT created: 2021-12-06T12:15:15Z last-modified: 2021-12-06T12:15:15Z 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 route: 195.88.202.0/23 origin: AS51942 mnt-by: SRXS-MNT created: 2021-12-06T12:19:01Z last-modified: 2021-12-06T12:19:01Z 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 route6: 2001:67c:648::/48 origin: AS51942 mnt-by: SRXS-MNT created: 2021-12-09T13:07:38Z last-modified: 2021-12-09T13:07:38Z 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: 2001:67c:16b4::/48 descr: EK-Media IPv6 Allocation origin: AS51942 mnt-by: SRXS-MNT created: 2013-08-02T18:21:59Z last-modified: 2013-08-02T18:21:59Z 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: 2a02:7f80::/29 origin: AS51942 mnt-by: SRXS-MNT created: 2021-12-15T10:42:00Z last-modified: 2021-12-15T10:42:00Z 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: 2a06:21c0::/29 descr: EK-Media B.V. origin: AS51942 mnt-by: MNT-EKMEDIA created: 2015-12-30T10:35:33Z last-modified: 2015-12-30T10:35:33Z 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