These entries are queried from radb.net using whois, you can try my project getting these.
:AS47408 route: 178.211.64.0/19 descr: Mandarin IP Network 2 origin: AS47408 mnt-by: MNT-MANDARIN created: 2010-07-13T13:45:23Z last-modified: 2010-07-13T13:45:23Z 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: 178.211.80.0/22 descr: Mandarin IP Subnet-A origin: AS47408 mnt-by: MNT-MANDARIN created: 2019-08-22T07:59:48Z last-modified: 2019-08-22T07:59:48Z 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: 178.211.88.0/22 descr: Mandarin IPv4 Network block origin: AS47408 mnt-by: MNT-MANDARIN created: 2013-03-04T14:10:55Z last-modified: 2013-03-04T14:10:55Z 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: 178.211.92.0/22 descr: Mandarin IPv4 Network block origin: AS47408 mnt-by: MNT-MANDARIN created: 2020-05-08T12:12:51Z last-modified: 2020-05-08T12:12:51Z 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: 212.46.64.0/19 descr: Mandarin IP Network origin: AS47408 mnt-by: MNT-MANDARIN created: 2009-01-26T17:07:06Z last-modified: 2009-01-26T17:07:06Z 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: 212.46.72.0/22 descr: Mandarin IPv4 Network block origin: AS47408 mnt-by: MNT-MANDARIN created: 2013-03-04T14:11:27Z last-modified: 2013-03-04T14:11:27Z 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: 212.46.80.0/22 descr: Mandarin IPv4 Network block origin: AS47408 mnt-by: MNT-MANDARIN created: 2013-03-04T14:11:57Z last-modified: 2013-03-04T14:11:57Z 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: 212.46.88.0/23 descr: Mandarin IPv4 Network block origin: AS47408 mnt-by: MNT-MANDARIN created: 2013-03-04T14:12:32Z last-modified: 2013-03-04T14:12:32Z 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: 212.46.90.0/23 descr: Mandarin IPv4 Network block origin: AS47408 mnt-by: MNT-MANDARIN created: 2013-03-04T14:13:28Z last-modified: 2013-03-04T14:13:28Z 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: 2a01:5f80::/32 descr: Mandarin IPv6 Network origin: AS47408 mnt-by: MNT-MANDARIN created: 2012-05-24T12:47:43Z last-modified: 2012-05-24T12:47:43Z 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