These entries are queried from radb.net using whois, you can try my project getting these.
:AS138059 route: 103.121.123.0/24 descr: Route Object for AS138059 origin: AS138059 notify: ipnoc [at] pgascom.co.id mnt-by: MAINT-AS58463 changed: ipnoc [at] pgascom.co.id 20180921 source: RADB last-modified: 2023-11-13T15:54:43Z rpki-ov-state: valid route: 103.121.123.0/24 descr: PEMERINTAH KABUPATEN PURWOREJO descr: Government / Direct member IDNIC descr: Purworejo, Jawa Tengah origin: AS138059 mnt-by: MAINT-ID-PEMKAB-PURWOREJO last-modified: 2019-06-25T08:49:10Z source: APNIC rpki-ov-state: valid