These entries are queried from radb.net using whois, you can try my project getting these.
:AS138866 route: 103.140.130.0/23 descr: Route Object of PT. Mitra Media Data descr: Internet Service Provider descr: Jalan Samaun Bakri No. 69 descr: Lingkungan Kaliwadas, Lopang, Serang, Banten origin: AS138866 mnt-by: MAINT-ID-MITRAMEDIA last-modified: 2022-06-29T15:40:12Z source: IDNIC rpki-ov-state: valid route: 103.140.130.0/23 descr: Route Object of PT. Mitra Media Data descr: Internet Service Provider descr: Jalan Samaun Bakri No. 69 descr: Lingkungan Kaliwadas, Lopang, Serang, Banten origin: AS138866 mnt-by: MAINT-ID-MITRAMEDIA last-modified: 2019-09-23T07:34:52Z source: APNIC rpki-ov-state: valid route: 103.140.130.0/24 origin: AS138866 descr: Customer Route mnt-by: MAINT-AS55655 changed: sarah [at] sims.co.id 20200731 #02:44:27Z source: RADB last-modified: 2023-11-13T16:05:43Z rpki-ov-state: valid route: 103.140.130.0/24 descr: Route Object of PT. Mitra Media Data descr: Internet Service Provider descr: Jalan Samaun Bakri No. 69 descr: Lingkungan Kaliwadas, Lopang, Serang, Banten origin: AS138866 mnt-by: MAINT-ID-MITRAMEDIA last-modified: 2022-08-12T16:22:21Z source: IDNIC rpki-ov-state: valid route: 103.140.131.0/24 descr: Route Object of PT. Mitra Media Data descr: Internet Service Provider descr: Jalan Samaun Bakri No. 69 descr: Lingkungan Kaliwadas, Lopang, Serang, Banten origin: AS138866 mnt-by: MAINT-ID-MITRAMEDIA last-modified: 2022-08-12T16:23:19Z source: IDNIC rpki-ov-state: valid route: 103.140.131.0/24 origin: AS138866 descr: Customer Route mnt-by: MAINT-AS55655 changed: hendrick [at] sims.co.id 20210625 #10:11:31Z source: RADB last-modified: 2023-11-13T16:07:07Z rpki-ov-state: valid route: 103.142.194.0/24 descr: Route Object of PT. Mitra Media Data descr: Internet Service Provider descr: Jalan Samaun Bakri No. 69 descr: Lingkungan Kaliwadas, Lopang, Serang, Banten origin: AS138866 mnt-by: MAINT-ID-UNTIRTA last-modified: 2023-10-19T19:52:01Z source: IDNIC rpki-ov-state: valid route6: 2404:fec0::/32 descr: Route Object of PT. Mitra Media Data origin: AS138866 mnt-by: MAINT-ID-MITRAMEDIA last-modified: 2022-08-23T12:38:51Z source: IDNIC rpki-ov-state: valid route6: 2404:fec0:1::/48 descr: Route Object of PT. Mitra Media Data origin: AS138866 mnt-by: MAINT-ID-MITRAMEDIA last-modified: 2023-01-19T06:40:18Z source: IDNIC rpki-ov-state: valid route6: 2404:fec0:2::/48 descr: Route Object of PT. Mitra Media Data origin: AS138866 mnt-by: MAINT-ID-MITRAMEDIA last-modified: 2023-01-19T06:40:40Z source: IDNIC rpki-ov-state: valid route6: 2404:fec0:3::/48 descr: Route Object of PT. Mitra Media Data origin: AS138866 mnt-by: MAINT-ID-MITRAMEDIA last-modified: 2023-01-19T06:41:01Z source: IDNIC rpki-ov-state: valid route6: 2404:fec0:4::/48 descr: Route Object of PT. Mitra Media Data origin: AS138866 mnt-by: MAINT-ID-MITRAMEDIA last-modified: 2023-01-19T06:41:18Z source: IDNIC rpki-ov-state: valid route6: 2404:fec0:5::/48 descr: Route Object of PT. Mitra Media Data origin: AS138866 mnt-by: MAINT-ID-MITRAMEDIA last-modified: 2023-01-19T06:41:39Z source: IDNIC rpki-ov-state: valid route6: 2404:fec0:250::/48 descr: Route Object of PT. Mitra Media Data origin: AS138866 mnt-by: MAINT-ID-MITRAMEDIA last-modified: 2023-01-20T15:04:30Z source: IDNIC rpki-ov-state: valid