These entries are queried from radb.net using whois, you can try my project getting these.
:AS29664 route: 81.52.199.0/24 descr: Vanco France route origin: AS29664 notify: SEFrance [at] relianceglobalcom.com mnt-by: VANCO-PRIMARY-MNT created: 2009-02-20T11:33:29Z last-modified: 2009-02-20T11:33:29Z 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: 82.196.32.0/20 descr: Vanco UK route origin: AS29664 mnt-by: VANCO-PRIMARY-MNT created: 2009-08-12T13:05:20Z last-modified: 2009-08-12T13:05:20Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 82.196.46.0/24 descr: Vanco US Chicago route origin: AS29664 mnt-by: VANCO-PRIMARY-MNT created: 2009-02-06T10:54:39Z last-modified: 2009-02-06T10:54:39Z 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: 82.196.52.0/23 descr: Vanco France route origin: AS29664 mnt-by: VANCO-PRIMARY-MNT created: 2005-01-21T13:45:35Z last-modified: 2005-01-21T13:45:35Z 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: 82.196.56.0/23 descr: Vanco Singapore route origin: AS29664 mnt-by: VANCO-PRIMARY-MNT created: 2005-11-02T11:26:24Z last-modified: 2005-11-02T11:26:24Z 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: 82.196.56.0/24 descr: Vanco Singapore route origin: AS29664 mnt-by: VANCO-PRIMARY-MNT created: 2010-07-30T09:07:35Z last-modified: 2010-07-30T09:07:35Z 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: 82.196.57.0/24 descr: Vanco SYD origin: AS29664 mnt-by: VANCO-PRIMARY-MNT created: 2010-07-30T08:44:07Z last-modified: 2010-07-30T08:44:07Z 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: 82.196.58.0/23 descr: Vanco US New Jersey route origin: AS29664 mnt-by: VANCO-PRIMARY-MNT created: 2005-12-19T11:02:33Z last-modified: 2009-02-06T10:54:39Z 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: 82.196.58.0/24 descr: Vanco US New Jersey route origin: AS29664 mnt-by: VANCO-PRIMARY-MNT created: 2010-07-30T09:07:35Z last-modified: 2010-07-30T09:07:35Z 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: 94.125.32.0/21 descr: Premier Foods origin: AS29664 mnt-by: CW-EUROPE-GSOC created: 2008-09-08T09:42:35Z last-modified: 2015-07-28T11:17:51Z 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: 94.125.32.0/22 descr: Premier Foods origin: AS29664 mnt-by: CW-EUROPE-GSOC created: 2009-08-14T10:12:50Z last-modified: 2015-07-28T09:29:44Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 94.125.36.0/22 descr: Premier Foods origin: AS29664 mnt-by: CW-EUROPE-GSOC created: 2009-08-14T10:12:51Z last-modified: 2015-07-28T09:30:06Z 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: 168.252.96.0/22 descr: Orica SYD origin: AS29664 mnt-by: VANCO-PRIMARY-MNT created: 2010-04-29T16:07:01Z last-modified: 2018-09-04T16:16:28Z source: RIPE-NONAUTH 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: 193.43.25.0/24 descr: Vanco France route origin: AS29664 mnt-by: VANCO-PRIMARY-MNT created: 2008-03-10T08:35:45Z last-modified: 2008-03-10T08:35:45Z 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: not_found # No ROAs found, or RPKI validation not enabled for source