These entries are queried from radb.net using whois, you can try my project getting these.
:AS47528 route: 31.184.237.0/24 origin: AS47528 mnt-by: TRANSROUTE-MNT mnt-by: MNT-PINSUPPORT mnt-by: MNT-PIN created: 2021-03-30T10:30:33Z last-modified: 2021-03-30T10:30:33Z 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