These entries are queried from radb.net using whois, you can try my project getting these.
:AS45403 route: 61.255.131.0/24 origin: AS45403 descr: AS45403 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20190102 #04:36:55Z source: RADB last-modified: 2023-11-13T15:55:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 61.255.132.0/24 origin: AS45403 descr: AS45403 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20190102 #04:36:55Z source: RADB last-modified: 2023-11-13T15:55:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 61.255.178.0/24 origin: AS45403 descr: AS45403 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20190102 #04:36:55Z source: RADB last-modified: 2023-11-13T15:55:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 61.255.198.0/24 origin: AS45403 descr: AS45403 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20190102 #04:36:55Z source: RADB last-modified: 2023-11-13T15:55:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 112.171.144.0/20 descr: Incheon Information Technology Industry Promotion Agency origin: AS45403 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20090904 source: RADB last-modified: 2023-11-13T16:15:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 112.171.160.0/20 descr: Incheon Information Technology Industry Promotion Agency origin: AS45403 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20090904 source: RADB last-modified: 2023-11-13T16:15:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.49.162.0/24 descr: Incheon Information Technology Industry Promotion Agency origin: AS45403 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20090904 source: RADB last-modified: 2023-11-13T16:15:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.201.198.0/24 descr: Incheon Information Technology Industry Promotion Agency origin: AS45403 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20090904 source: RADB last-modified: 2023-11-13T16:15:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 218.236.152.0/24 descr: Incheon Information Technology Industry Promotion Agency origin: AS45403 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20090904 source: RADB last-modified: 2023-11-13T16:15:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 219.241.220.0/24 origin: AS45403 descr: AS45403 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20190102 #04:36:55Z source: RADB last-modified: 2023-11-13T15:55:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 222.236.220.0/23 descr: Incheon Information Technology Industry Promotion Agency origin: AS45403 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20090904 source: RADB last-modified: 2023-11-13T16:15:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source