These entries are queried from radb.net using whois, you can try my project getting these.
:AS140814 route: 103.168.58.0/23 origin: AS140814 descr: TechCity Customer mnt-by: MAINT-AS45903 changed: minh.nc [at] cmctelecom.vn 20210709 #01:20:27Z source: RADB last-modified: 2023-11-13T16:07:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.168.58.0/23 descr: TECHCITYGROUP-AS-VN origin: AS140814 mnt-by: MAINT-VN-VNNIC last-modified: 2021-07-14T03:25:30Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.168.58.0/24 origin: AS140814 descr: TechCity Customer mnt-by: MAINT-AS45903 changed: minh.nc [at] cmctelecom.vn 20210712 #07:07:20Z source: RADB last-modified: 2023-11-13T16:07:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.168.59.0/24 origin: AS140814 descr: Customer TechCity IP prefix mnt-by: MAINT-AS45903 changed: minh.nc [at] cmctelecom.vn 20210712 #07:09:25Z source: RADB last-modified: 2023-11-13T16:07:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2407:a4c0::/48 origin: AS140814 descr: TechCity Customer mnt-by: MAINT-AS45903 changed: minh.nc [at] cmctelecom.vn 20211004 #14:32:09Z source: RADB last-modified: 2023-11-13T16:08:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source