These entries are queried from radb.net using whois, you can try my project getting these.
:AS20750 route: 77.76.136.0/24 descr: Netlan origin: AS20750 mnt-by: MNT-OPTILINK created: 2009-03-17T10:52:03Z last-modified: 2009-03-17T10:52:03Z 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: 85.187.236.0/22 descr: NetLan Ltd. origin: AS20750 mnt-by: IPACCT-MNT created: 2015-01-05T21:32:15Z last-modified: 2015-01-05T21:32:15Z 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: 85.187.240.0/23 descr: NetLan Ltd. origin: AS20750 mnt-by: IPACCT-MNT created: 2015-01-14T02:56:20Z last-modified: 2015-01-14T02:56:20Z 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: valid route: 151.237.72.0/21 descr: NetLan Ltd. origin: AS20750 mnt-by: IPACCT-MNT created: 2013-03-26T23:02:01Z last-modified: 2013-03-26T23:02:01Z 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: 151.237.72.0/22 descr: NetLan Ltd. origin: AS20750 mnt-by: IPACCT-MNT created: 2023-10-14T14:06:41Z last-modified: 2023-10-14T14:06:41Z 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: valid route: 151.237.76.0/23 descr: NetLan Ltd. origin: AS20750 mnt-by: IPACCT-MNT created: 2023-10-14T14:06:41Z last-modified: 2023-10-14T14:06:41Z 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: valid