These entries are queried from radb.net using whois, you can try my project getting these.
:AS49550 route: 84.32.160.0/22 descr: NTT-DATA origin: AS49550 mnt-by: MNT-NTT-LIR created: 2014-05-16T09:14:56Z last-modified: 2016-01-14T13:35:31Z 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: 84.32.160.0/24 descr: NTT-DATA origin: AS49550 mnt-by: MNT-NTT-LIR created: 2016-02-12T09:01:51Z last-modified: 2016-02-12T09:01:51Z 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: 88.216.87.0/24 descr: NTT-LE-CORE2 origin: AS49550 mnt-by: MNT-NTT-LIR created: 2009-08-17T13:24:05Z last-modified: 2009-08-17T13:24:05Z 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: 88.216.163.0/24 descr: NTT-VOIP-ROUTE origin: AS49550 mnt-by: MNT-NTT-LIR created: 2014-12-17T11:25:26Z last-modified: 2014-12-17T11:25:26Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 88.216.172.0/24 descr: NTT NOC origin: AS49550 mnt-by: MNT-NTT-LIR created: 2012-03-19T07:07:45Z last-modified: 2012-03-19T07:07:45Z 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 route6: 2001:4048::/32 descr: NTT IPv6 block origin: AS49550 mnt-by: MNT-NTT-LIR created: 2010-04-23T11:41:50Z last-modified: 2010-04-23T11:41:50Z 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: not_found # No ROAs found, or RPKI validation not enabled for source