These entries are queried from radb.net using whois, you can try my project getting these.
:AS17131 route: 50.206.218.0/24 descr: OEM Controls origin: AS17131 mnt-by: MAINT-AS27506 changed: rhinst [at] lightower.com 20160902 #18:57:08Z source: RADB last-modified: 2023-11-13T15:49:51Z rpki-ov-state: valid