These entries are queried from radb.net using whois, you can try my project getting these.
:AS8256 route: 192.153.127.0/24 descr: LODMAN origin: AS8256 mnt-by: AS8256-MNT created: 2001-11-07T13:35:17Z last-modified: 2023-09-18T10:16:24Z 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: 212.51.192.0/21 descr: LODMAN origin: AS8256 mnt-by: AS8256-MNT created: 2003-12-11T19:59:23Z last-modified: 2003-12-11T19:59:23Z 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: 212.51.204.0/24 descr: LODMAN origin: AS8256 mnt-by: AS8256-MNT created: 2002-08-29T09:44:46Z last-modified: 2002-08-29T09:44:46Z 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: 212.51.207.0/24 descr: LODMAN origin: AS8256 mnt-by: AS8256-MNT created: 2002-08-29T09:44:47Z last-modified: 2002-08-29T09:44:47Z 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: 212.51.208.0/20 descr: LODMAN origin: AS8256 mnt-by: AS8256-MNT created: 2002-08-29T09:44:48Z last-modified: 2002-08-29T09:44:48Z 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: 212.191.0.0/17 descr: Metropolitan Area Network descr: LODMAN origin: AS8256 mnt-by: AS8256-MNT created: 2002-08-29T09:44:48Z last-modified: 2003-01-22T09:20:25Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:b10::/35 descr: Metropolitan Area Network descr: LODMAN origin: AS8256 mnt-by: AS8256-MNT created: 2011-02-16T07:37:16Z last-modified: 2011-02-22T13:21:12Z 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: not_found # No ROAs found, or RPKI validation not enabled for source