These entries are queried from radb.net using whois, you can try my project getting these.
:AS23593 route: 175.119.43.0/24 origin: AS23593 descr: BKLNETWORK-AS-KR mnt-by: MAINT-AS9318 changed: ipnoc [at] skbroadband.com 20220424 source: RADB last-modified: 2023-11-13T16:10:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.231.25.0/24 descr: SejongTelecom.co.ltd origin: AS23593 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20200303 source: RADB last-modified: 2023-11-13T16:00:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.231.64.0/24 descr: SejongTelecom.co.ltd origin: AS23593 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20200303 source: RADB last-modified: 2023-11-13T16:00:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.231.65.0/24 descr: SejongTelecom.co.ltd origin: AS23593 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20200303 source: RADB last-modified: 2023-11-13T16:00:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.239.104.0/26 descr: SejongTelecom.co.ltd origin: AS23593 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20200303 source: RADB last-modified: 2023-11-13T16:00:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.103.200.0/24 descr: SejongTelecom.co.ltd origin: AS23593 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20200303 source: RADB last-modified: 2023-11-13T16:00:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.103.201.0/24 descr: SejongTelecom.co.ltd origin: AS23593 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20200303 source: RADB last-modified: 2023-11-13T16:00:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.103.202.0/24 descr: SejongTelecom.co.ltd origin: AS23593 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20200303 source: RADB last-modified: 2023-11-13T16:00:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.103.203.0/24 descr: SejongTelecom.co.ltd origin: AS23593 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20200303 source: RADB last-modified: 2023-11-13T16:00:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.103.204.0/24 descr: SejongTelecom.co.ltd origin: AS23593 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20200303 source: RADB last-modified: 2023-11-13T16:00:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.103.205.0/24 descr: SejongTelecom.co.ltd origin: AS23593 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20200303 source: RADB last-modified: 2023-11-13T16:00:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.103.206.0/24 descr: SejongTelecom.co.ltd origin: AS23593 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20200303 source: RADB last-modified: 2023-11-13T16:00:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.103.207.0/24 descr: SejongTelecom.co.ltd origin: AS23593 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20200303 source: RADB last-modified: 2023-11-13T16:00:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.103.208.0/24 descr: SejongTelecom.co.ltd origin: AS23593 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20200303 source: RADB last-modified: 2023-11-13T16:00:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.109.64.0/24 descr: SejongTelecom.co.ltd origin: AS23593 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20200303 source: RADB last-modified: 2023-11-13T16:00:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.112.123.0/24 descr: SejongTelecom.co.ltd origin: AS23593 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20200303 source: RADB last-modified: 2023-11-13T16:00:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source