These entries are queried from radb.net using whois, you can try my project getting these.
:AS-SERVERCRATE as-set: AS-SERVERCRATE descr: Registration for legacy Servercrate ASN 20150 USAGE DEFUNCT members: AS-ANYNODE changed: mdewsbury [at] anynode.net 20181210 #13:09:15Z source: RADB last-modified: 2023-11-13T16:09:24Z