These entries are queried from radb.net using whois, you can try my project getting these.
:AS56787 route: 31.223.176.0/24 descr: citynet network route origin: AS56787 mnt-by: MNT-PS-CITYNET created: 2011-11-04T09:39:36Z last-modified: 2013-12-24T19:25:53Z 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: valid route: 31.223.177.0/24 descr: citynet network route origin: AS56787 mnt-by: MNT-PS-CITYNET created: 2011-11-04T09:40:17Z last-modified: 2013-12-24T19:26:41Z 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: valid route: 31.223.178.0/24 descr: citynet network route origin: AS56787 mnt-by: MNT-PS-CITYNET created: 2011-11-04T09:40:46Z last-modified: 2013-12-24T18:59:02Z 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: valid route: 31.223.179.0/24 descr: citynet network route origin: AS56787 mnt-by: MNT-PS-CITYNET created: 2011-11-04T09:41:15Z last-modified: 2013-12-24T19:27:22Z 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: valid route: 31.223.180.0/24 descr: citynet network route origin: AS56787 mnt-by: MNT-PS-CITYNET created: 2011-11-04T09:41:52Z last-modified: 2013-12-24T19:27:50Z 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: valid route: 31.223.181.0/24 descr: citynet network route origin: AS56787 mnt-by: MNT-PS-CITYNET created: 2011-11-04T09:42:30Z last-modified: 2013-12-24T19:28:56Z 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: valid route: 31.223.182.0/24 descr: citynet network route origin: AS56787 mnt-by: MNT-PS-CITYNET created: 2011-11-04T09:42:58Z last-modified: 2013-12-24T19:29:21Z 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: valid route: 31.223.183.0/24 descr: citynet network route origin: AS56787 mnt-by: MNT-PS-CITYNET created: 2011-11-04T09:43:31Z last-modified: 2013-12-24T19:29:40Z 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: valid