These entries are queried from radb.net using whois, you can try my project getting these.
:AS46002 route: 121.135.147.0/24 descr: PYEONGHWAIS origin: AS46002 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20100630 #03:44:03Z source: RADB last-modified: 2023-11-13T16:15:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 121.135.148.0/24 descr: PYEONGHWAIS origin: AS46002 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20100630 #03:44:26Z source: RADB last-modified: 2023-11-13T16:15:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.92.218.0/24 descr: PYEONGHWAIS origin: AS46002 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20100701 #04:03:14Z source: RADB last-modified: 2023-11-13T16:15:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.92.219.0/24 descr: PYEONGHWAIS origin: AS46002 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20100701 #04:05:00Z source: RADB last-modified: 2023-11-13T16:15:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source