These entries are queried from radb.net using whois, you can try my project getting these.
:AS152411 route: 157.20.156.0/23 origin: AS152411 descr: Route Object SEMAR mnt-by: MAINT-AS55655 changed: noc [at] mvnet.co.id 20240318 # 0446Z source: RADB last-modified: 2024-03-18T04:46:42Z rpki-ov-state: valid route: 157.20.156.0/24 origin: AS152411 descr: Customer Route mnt-by: MAINT-AS55655 changed: hendrick [at] sims.co.id 20240320 # 0850Z source: RADB last-modified: 2024-03-20T08:50:58Z rpki-ov-state: valid route: 157.20.157.0/24 origin: AS152411 descr: Customer Route mnt-by: MAINT-AS55655 changed: hendrick [at] sims.co.id 20240320 # 0851Z source: RADB last-modified: 2024-03-20T08:51:23Z rpki-ov-state: valid