These entries are queried from radb.net using whois, you can try my project getting these.
:AS55897 route: 219.111.240.0/20 descr: SAKURA-F SAKURA Internet // IP ANYCAST BACKBONE Tokyo Tatemono Umeda Building 11F, 1-12-12, Umeda, Kita-ku, Osaka 530-0001, Japan origin: AS55897 mnt-by: MAINT-AS7684 changed: peer [at] sakura.ad.jp 20231001 source: JPIRR rpki-ov-state: valid route: 219.111.240.0/20 descr: SAKURA-F SAKURA Internet // IP ANYCAST BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka 530-0011, JAPAN origin: AS55897 mnt-by: MAINT-AS7684 changed: peer [at] sakura.ad.jp 20191206 source: RADB last-modified: 2023-11-13T15:59:16Z rpki-ov-state: valid