These entries are queried from radb.net using whois, you can try my project getting these.
:AS398310 route: 23.157.208.0/24 origin: AS398310 descr: UPNETWI Customer and Servers admin-c: JUANA13-ARIN tech-c: JUANA13-ARIN notify: noc [at] upnetwi.com mnt-by: MAINT-AS398310 changed: noc [at] upnetwi.com 20200629 #17:58:50Z source: RADB last-modified: 2023-11-13T16:08:40Z rpki-ov-state: valid