These entries are queried from radb.net using whois, you can try my project getting these.
:AS23831 route: 103.6.16.0/22 descr: CLOVERNET origin: AS23831 admin-c: TK13699JP tech-c: TK13699JP notify: gi_ju_tu [at] clovernet.co.jp mnt-by: MAINT-AS23831 changed: gi_ju_tu [at] clovernet.co.jp 20231011 source: JPIRR rpki-ov-state: valid route: 103.235.112.0/22 descr: NISHIOWARI CATV CORPORATION X-Keiro : gi_ju_tu [at] clovernet.co.jp origin: AS23831 notify: gi_ju_tu [at] clovernet.co.jp mnt-by: MAINT-AS23831 changed: gi_ju_tu [at] clovernet.co.jp 20230901 source: JPIRR rpki-ov-state: valid route: 115.85.136.0/21 descr: NISHIOWARI CATV CORPORATION X-Keiro : gi_ju_tu [at] clovernet.co.jp origin: AS23831 notify: gi_ju_tu [at] clovernet.co.jp mnt-by: MAINT-AS23831 changed: gi_ju_tu [at] clovernet.co.jp 20230901 source: JPIRR rpki-ov-state: valid route: 116.90.144.0/20 descr: NISHIOWARI CATV CORPORATION X-Keiro : gi_ju_tu [at] clovernet.co.jp origin: AS23831 notify: gi_ju_tu [at] clovernet.co.jp mnt-by: MAINT-AS23831 changed: gi_ju_tu [at] clovernet.co.jp 20230901 source: JPIRR rpki-ov-state: valid route: 202.179.32.0/19 descr: NISHIOWARI CATV CORPORATION X-Keiro : gi_ju_tu [at] clovernet.co.jp origin: AS23831 notify: gi_ju_tu [at] clovernet.co.jp mnt-by: MAINT-AS23831 changed: gi_ju_tu [at] clovernet.co.jp 20230901 source: JPIRR rpki-ov-state: valid route: 202.179.32.0/19 descr: PACNET (proxy-registered route object) origin: AS23831 remarks: This route object is for a PACNET customer route which is being exported under this origin AS. + This route object was created because no existing route object with the same origin was found, and since some PACNET peers filter based on these objects this route may be rejected if this object is not created. + Please contact abuse [at] pacnet.net if you have any Concerns regarding Spam/Abuses related to this object + Please contact ip-noc [at] pacnet.net if you have any other Questions regarding this object. notify: ip-noc [at] pacnet.net mnt-by: MAINT-AS4637 changed: ip-noc [at] pacnet.net 20100201 source: RADB last-modified: 2023-11-13T15:58:52Z rpki-ov-state: valid route: 202.179.32.0/19 descr: CLOVERNET origin: AS23831 notify: katumura [at] clovernet.co.jp mnt-by: MAINT-AS23831 changed: katumura [at] clovernet.co.jp 20041029 source: NTTCOM rpki-ov-state: valid route: 219.100.128.0/22 descr: NISHIOWARI CATV CORPORATION X-Keiro : gi_ju_tu [at] clovernet.co.jp origin: AS23831 notify: gi_ju_tu [at] clovernet.co.jp mnt-by: MAINT-AS23831 changed: gi_ju_tu [at] clovernet.co.jp 20230901 source: JPIRR rpki-ov-state: valid route: 223.27.180.0/22 descr: NISHIOWARI CATV CORPORATION X-Keiro : gi_ju_tu [at] clovernet.co.jp origin: AS23831 notify: gi_ju_tu [at] clovernet.co.jp mnt-by: MAINT-AS23831 changed: gi_ju_tu [at] clovernet.co.jp 20230901 source: JPIRR rpki-ov-state: valid route6: 2401:2f20::/32 descr: NISHIOWARI CATV CORPORATION X-Keiro : gi_ju_tu [at] clovernet.co.jp origin: AS23831 member-of: rs-clovernet notify: gi_ju_tu [at] clovernet.co.jp mnt-by: MAINT-AS23831 changed: gi_ju_tu [at] clovernet.co.jp 20231011 source: JPIRR rpki-ov-state: valid