These entries are queried from radb.net using whois, you can try my project getting these.
:AS63772 route: 103.99.80.0/22 descr: EXTRIDE1 X-Keiro:tech [at] extride.ad.jp origin: AS63772 notify: tech [at] extride.ad.jp mnt-by: MAINT-AS63772 changed: tech [at] extride.ad.jp 20230801 source: JPIRR rpki-ov-state: valid route: 170.199.246.0/24 descr: EXTRIDE0 X-Keiro:tech [at] extride.ad.jp origin: AS63772 notify: tech [at] extride.ad.jp mnt-by: MAINT-AS63772 changed: tech [at] extride.ad.jp 20230801 source: JPIRR rpki-ov-state: valid route: 172.86.208.0/20 descr: extride inc. X-keiro : tech [at] extride.ad.jp origin: AS63772 notify: tech [at] extride.ad.jp mnt-by: MAINT-AS63772 changed: tech [at] extride.ad.jp 20240204 source: JPIRR rpki-ov-state: valid route: 219.100.188.0/22 descr: EXTRIDE2 X-Keiro:tech [at] extride.ad.jp origin: AS63772 notify: tech [at] extride.ad.jp mnt-by: MAINT-AS63772 changed: tech [at] extride.ad.jp 20230801 source: JPIRR rpki-ov-state: valid