These entries are queried from radb.net using whois, you can try my project getting these.
:AS51740 route: 176.120.24.0/21 descr: ZING-NET origin: AS51740 mnt-by: ZINGRU-MNT created: 2012-10-12T04:10:22Z last-modified: 2012-10-12T04:10:22Z 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: 176.120.24.0/24 descr: Specific route 176.120.24.0/24 origin: AS51740 remarks: mnt-by: ZINGRU-MNT created: 2016-04-06T03:53:52Z last-modified: 2016-04-06T03:53:52Z 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: 176.120.25.0/24 descr: Specific route 176.120.25.0/24 origin: AS51740 remarks: mnt-by: ZINGRU-MNT created: 2016-04-06T03:54:07Z last-modified: 2016-04-06T03:54:07Z 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: 176.120.26.0/24 descr: Specific route 176.120.26.0/24 origin: AS51740 remarks: mnt-by: ZINGRU-MNT created: 2016-04-06T03:55:42Z last-modified: 2016-04-06T03:55:42Z 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 route6: 2001:67c:20dc::/48 descr: ZING-NET origin: AS51740 mnt-by: ZINGRU-MNT created: 2015-04-30T06:16:36Z last-modified: 2015-04-30T06:16:36Z 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