These entries are queried from radb.net using whois, you can try my project getting these.
:AS42514 route: 46.22.240.0/20 descr: SIGNAL SERVICE origin: AS42514 mnt-by: SIGNAL-MNT created: 2010-12-01T07:29:50Z last-modified: 2010-12-01T07:29:50Z 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: 89.232.180.0/22 descr: SIGNAL SERVICE origin: AS42514 mnt-by: SIGNAL-MNT created: 2022-02-02T08:39:21Z last-modified: 2022-02-02T08:39:40Z 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: 94.102.16.0/20 descr: SIGNAL SERVICE origin: AS42514 mnt-by: SIGNAL-MNT created: 2008-08-27T10:22:55Z last-modified: 2008-10-23T08:38:08Z 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: 95.141.176.0/20 descr: SIGNAL SERVICE origin: AS42514 mnt-by: SIGNAL-MNT created: 2009-06-08T11:52:26Z last-modified: 2009-06-08T11:52:26Z 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: 128.204.160.0/19 descr: SIGNAL SERVICE origin: AS42514 mnt-by: SIGNAL-MNT created: 2011-10-12T09:37:48Z last-modified: 2011-10-12T09:37:48Z 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: valid route: 178.17.128.0/20 descr: SIGNAL SERVICE origin: AS42514 mnt-by: SIGNAL-MNT created: 2010-03-22T11:16:17Z last-modified: 2010-03-22T11:16:17Z 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: 185.12.84.0/22 descr: SIGNAL SERVICE origin: AS42514 mnt-by: SIGNAL-MNT created: 2012-12-05T12:57:08Z last-modified: 2012-12-05T12:57:08Z 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: 213.166.76.0/22 descr: SIGNAL SERVICE origin: AS42514 mnt-by: SIGNAL-MNT created: 2023-07-12T15:56:00Z last-modified: 2023-07-12T15:56:00Z 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: 2a02:2648::/29 descr: SIGNAL SERVICE origin: AS42514 mnt-by: SIGNAL-MNT created: 2018-09-26T07:11:45Z last-modified: 2018-09-26T07:11:45Z 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