These entries are queried from radb.net using whois, you can try my project getting these.
:AS139932 route: 103.146.74.0/24 descr: AS139932 mnt by AS38158 origin: AS139932 mnt-by: MAINT-AS38158 changed: sabirin [at] cbn.net.id 20191216 #01:00:02Z source: RADB last-modified: 2023-11-13T16:09:11Z rpki-ov-state: valid