These entries are queried from radb.net using whois, you can try my project getting these.
:AS49354 route: 37.18.128.0/22 origin: AS49354 mnt-by: uk-simetric-1-mnt created: 2019-03-14T11:31:50Z last-modified: 2019-03-14T11:31:50Z 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 route6: 2a05:280::/29 origin: AS49354 mnt-by: uk-simetric-1-mnt created: 2019-03-14T11:35:49Z last-modified: 2019-03-14T11:35:49Z 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