These entries are queried from radb.net using whois, you can try my project getting these.
:AS10044 route: 203.241.52.0/24 descr: KORNET origin: AS10044 mnt-by: MAINT-AS4766 changed: curoo [at] kornet.net 20081021 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: 203.241.53.0/24 descr: KORNET origin: AS10044 mnt-by: MAINT-AS4766 changed: curoo [at] kornet.net 20081021 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: 203.241.54.0/23 descr: KORNET origin: AS10044 mnt-by: MAINT-AS4766 changed: curoo [at] kornet.net 20081021 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: 203.241.54.0/24 descr: RDA-AS-KR origin: AS10044 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20201018 #12:43:18Z source: RADB last-modified: 2023-11-13T16:02:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.241.55.0/24 descr: RDA-AS-KR origin: AS10044 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20201018 #12:43:18Z source: RADB last-modified: 2023-11-13T16:02:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.241.56.0/21 descr: KORNET origin: AS10044 mnt-by: MAINT-AS4766 changed: chinny7904 [at] kornet.net 20070429 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: 203.241.57.0/24 descr: RDA-AS-KR origin: AS10044 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20201018 #12:43:18Z source: RADB last-modified: 2023-11-13T16:02:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.241.59.0/24 descr: RDA-AS-KR origin: AS10044 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20201018 #12:43:18Z source: RADB last-modified: 2023-11-13T16:02:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.241.60.0/24 descr: RDA-AS-KR origin: AS10044 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20201018 #12:43:18Z source: RADB last-modified: 2023-11-13T16:02:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.241.61.0/24 descr: RDA-AS-KR origin: AS10044 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20201018 #12:43:18Z source: RADB last-modified: 2023-11-13T16:02:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.241.64.0/20 descr: KORNET origin: AS10044 mnt-by: MAINT-AS4766 changed: chinny7904 [at] kornet.net 20070429 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: 203.241.70.0/24 descr: RDA-AS-KR origin: AS10044 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20201018 #12:43:18Z source: RADB last-modified: 2023-11-13T16:02:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.241.80.0/22 descr: KORNET origin: AS10044 mnt-by: MAINT-AS4766 changed: chinny7904 [at] kornet.net 20070429 source: RADB last-modified: 2023-11-13T16:15:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source