These entries are queried from radb.net using whois, you can try my project getting these.
:AS139957 route: 103.145.46.0/23 origin: AS139957 descr: Customer Route mnt-by: MAINT-AS55655 changed: sarah [at] sims.co.id 20201227 #05:41:04Z source: RADB last-modified: 2023-11-13T16:05:43Z rpki-ov-state: valid route: 103.145.46.0/24 origin: AS139957 descr: Customer Route mnt-by: MAINT-AS55655 changed: hendrick [at] sims.co.id 20210506 #03:04:50Z source: RADB last-modified: 2023-11-13T16:05:43Z rpki-ov-state: valid route: 103.145.47.0/24 origin: AS139957 descr: Customer Route mnt-by: MAINT-AS55655 changed: hendrick [at] sims.co.id 20210506 #03:05:41Z source: RADB last-modified: 2023-11-13T16:05:43Z rpki-ov-state: valid