These entries are queried from radb.net using whois, you can try my project getting these.
:AS1351 route: 132.198.0.0/16 descr: Prolexic Technologies, Inc. origin: AS1351 notify: hostmaster [at] prolexic.com mnt-by: MAINT-AS32787 changed: fleandre [at] akamai.com 20170627 #08:40:07Z source: RADB last-modified: 2023-11-13T16:13:33Z rpki-ov-state: valid route: 132.198.0.0/16 descr: UVM-NET origin: AS1351 remarks: UVM-NET mnt-by: UVM-NET changed: mvoity [at] uvm.edu 20140429 source: ALTDB rpki-ov-state: valid route6: 2620:104:e000::/40 descr: UVM-NET-V6 origin: AS1351 remarks: UVM-NET-V6 mnt-by: UVM-NET changed: mvoity [at] uvm.edu 20140429 source: ALTDB rpki-ov-state: valid