These entries are queried from radb.net using whois, you can try my project getting these.
:AS20640 route: 217.173.128.0/19 origin: AS20640 mnt-by: TITAN-NET-MNT created: 2020-07-13T11:47:16Z last-modified: 2020-07-13T11:47:16Z 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 route: 217.173.128.0/20 descr: Titan Networks (xSP) descr: Internet & Telecommunications Service Providing GmbH origin: AS20640 notify: mtwild [at] titannet.de mnt-by: TITAN-NET-MNT created: 1970-01-01T00:00:00Z last-modified: 2001-09-22T09:31:44Z 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: valid route: 217.173.144.0/20 descr: Titan Networks (xSP) descr: Internet & Telecommunications Service Providing GmbH origin: AS20640 notify: mtwild [at] titannet.de mnt-by: TITAN-NET-MNT created: 2005-09-07T14:54:08Z last-modified: 2005-09-07T14:54:08Z 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: 217.173.144.0/21 descr: Titan Networks (xSP) descr: Internet & Telecommunications Service Providing GmbH origin: AS20640 notify: mtwild [at] titannet.de mnt-by: TITAN-NET-MNT created: 2003-01-10T11:30:08Z last-modified: 2003-01-10T11:30:08Z 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: 217.173.148.0/22 descr: Titan Networks (xSP) descr: Internet & Telecommunications Service Providing GmbH origin: AS20640 notify: mtwild [at] titannet.de mnt-by: TITAN-NET-MNT created: 2003-05-07T07:02:08Z last-modified: 2003-05-07T07:02:08Z 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: 217.173.152.0/21 descr: Titan Networks origin: AS20640 notify: nfy [at] titan-networks.net mnt-by: TITAN-NET-MNT created: 2003-08-15T14:38:01Z last-modified: 2023-10-06T09:29:45Z 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: 217.173.156.0/22 descr: Titan Networks Netherlands origin: AS20640 notify: nfy [at] titan-networks.net mnt-by: TITANNL-MNT created: 2002-09-09T12:40:40Z last-modified: 2005-10-21T11:00:01Z 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: 2001:4b88::/32 descr: Titan Networks (xSP) descr: Internet & Telecommunications Service Providing GmbH origin: AS20640 notify: mtwild [at] titannet.de mnt-by: TITAN-NET-MNT remarks: free of charge IPv6 native connection via T-DSL/A-DSL/S-DSL remarks: Information: http://www.ipv6-dialin.de remarks: IPv6 BGP Operational Report: http://www.six-de.net created: 2005-02-18T15:19:42Z last-modified: 2005-11-13T09:45:11Z 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