These entries are queried from radb.net using whois, you can try my project getting these.
:AS50799 route: 145.43.248.0/22 descr: LNRS Data Services Limited (LexisNexis Risk Solutions Group, formerly Reed Business Information) origin: AS50799 notify: networks [at] lexisnexisrisk.com mnt-by: rbi-mnt created: 2010-04-22T11:20:24Z last-modified: 2022-11-30T13:25:58Z 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