These entries are queried from radb.net using whois, you can try my project getting these.
:AS138147 route: 103.121.80.0/24 descr: Philippine Cable Television Association, Inc. origin: AS138147 country: PH mnt-routes: MAINT-PCTA-PH mnt-by: MAINT-PCTA-PH last-modified: 2020-10-30T05:34:14Z source: APNIC rpki-ov-state: valid route: 103.121.81.0/24 descr: Philippine Cable Television Association, Inc. origin: AS138147 country: PH mnt-routes: MAINT-PCTA-PH mnt-by: MAINT-PCTA-PH last-modified: 2020-10-30T05:34:14Z source: APNIC rpki-ov-state: valid route: 103.121.82.0/24 descr: Philippine Cable Television Association, Inc. origin: AS138147 country: PH mnt-routes: MAINT-PCTA-PH mnt-by: MAINT-PCTA-PH last-modified: 2020-10-30T05:34:14Z source: APNIC rpki-ov-state: valid route: 103.121.83.0/24 descr: Philippine Cable Television Association, Inc. origin: AS138147 country: PH mnt-routes: MAINT-PCTA-PH mnt-by: MAINT-PCTA-PH last-modified: 2020-10-30T05:34:15Z source: APNIC rpki-ov-state: valid