These entries are queried from radb.net using whois, you can try my project getting these.
:AS43503 route: 46.30.80.0/21 descr: Herbst Datentechnik GmbH origin: AS43503 mnt-by: HERBST-MNT created: 2010-08-26T09:48:08Z last-modified: 2010-08-26T09:48:08Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 46.226.112.0/21 origin: AS43503 mnt-by: HERBST-MNT created: 2018-05-28T10:02:41Z last-modified: 2018-05-28T10:02:41Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 81.16.48.0/20 descr: HERBST-PA-BLOCK origin: AS43503 mnt-by: HERBST-MNT created: 2012-11-02T08:15:42Z last-modified: 2012-11-02T08:15:42Z 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: 81.16.60.0/24 descr: Herbst Datentechnik GmbH origin: AS43503 mnt-by: HERBST-MNT created: 2013-03-08T08:09:55Z last-modified: 2013-03-08T08:09:55Z 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: 83.137.96.0/21 descr: HERBST-PA-BLOCK origin: AS43503 mnt-by: HERBST-MNT created: 2012-11-02T08:14:05Z last-modified: 2012-11-02T08:14:05Z 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: 91.203.200.0/22 descr: Herbst Datentechnik GmbH origin: AS43503 mnt-by: HERBST-MNT created: 2008-05-28T09:50:43Z last-modified: 2008-05-28T09:50:43Z 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: 91.203.200.0/23 descr: Herbst Datentechnik GmbH Location I origin: AS43503 mnt-by: HERBST-MNT created: 2008-09-24T15:26:17Z last-modified: 2008-09-24T15:26:17Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 91.203.200.0/24 descr: Herbst Datentechnik GmbH Network 1 origin: AS43503 mnt-by: HERBST-MNT created: 2008-06-06T13:12:56Z last-modified: 2008-06-06T13:12:56Z 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: 91.203.201.0/24 descr: Herbst Datentechnik GmbH Network 2 origin: AS43503 mnt-by: HERBST-MNT created: 2008-06-06T13:13:12Z last-modified: 2008-06-06T13:13:12Z 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 route: 91.203.202.0/23 descr: Herbst Datentechnik GmbH Location II origin: AS43503 mnt-by: HERBST-MNT created: 2008-09-24T15:27:17Z last-modified: 2008-09-24T15:27:17Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 91.203.202.0/24 descr: Herbst Datentechnik GmbH Network 3 origin: AS43503 mnt-by: HERBST-MNT created: 2008-11-04T13:22:39Z last-modified: 2008-11-04T13:22:39Z 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: 91.203.203.0/24 descr: Herbst Datentechnik GmbH Network 4 origin: AS43503 mnt-by: HERBST-MNT created: 2008-11-04T13:23:22Z last-modified: 2008-11-04T13:23:22Z 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: 109.234.120.0/21 origin: AS43503 mnt-by: HERBST-MNT created: 2018-05-28T10:03:49Z last-modified: 2018-05-28T10:03:49Z 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: 109.234.124.0/24 origin: AS43503 mnt-by: HERBST-MNT created: 2019-02-22T15:07:17Z last-modified: 2019-02-22T15:07:17Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2a00:ee8::/32 descr: HERBST-PA-BLOCK origin: AS43503 mnt-by: HERBST-MNT created: 2012-11-02T08:16:19Z last-modified: 2012-11-02T08:16:19Z 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