These entries are queried from radb.net using whois, you can try my project getting these.
:AS7665 route: 122.152.16.0/20 descr: Okix origin: AS7665 notify: okix-tech [at] okix.ad.jp mnt-by: MAINT-AS7665 changed: okix-tech [at] okix.ad.jp 20070131 #06:11:32(UTC) source: RADB last-modified: 2023-11-13T15:39:38Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.236.96.0/20 descr: Okix origin: AS7665 notify: peer [at] sakura.ad.jp mnt-by: MAINT-AS7684 changed: peer [at] sakura.ad.jp 20230401 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.236.96.0/20 descr: Okix origin: AS7665 notify: okix-tech [at] okix.ad.jp mnt-by: MAINT-AS7665 changed: mimura [at] obis.co.jp 20021217 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:d50::/32 descr: Okix origin: AS7665 admin-c: Tokinobu Okix notify: okix-tech [at] okix.ad.jp mnt-by: MAINT-AS7665 changed: mimura [at] obis.co.jp 20081218 #02:24:38Z source: RADB last-modified: 2023-11-13T15:39:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source