These entries are queried from radb.net using whois, you can try my project getting these.
:AS137850 route: 202.28.45.0/24 origin: AS137850 descr: MaeFhaluang University Network notify: noc [at] uni.net.th notify: akanit [at] mfu.ac.th mnt-by: MAINT-AS4621 changed: kriengsak [at] uni.net.th 20190703 #06:13:29Z source: RADB last-modified: 2023-11-13T15:56:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.28.46.0/24 origin: AS137850 descr: MaeFhaluang University Network notify: noc [at] uni.net.th notify: akanit [at] mfu.ac.th mnt-by: MAINT-AS4621 changed: kriengsak [at] uni.net.th 20190703 #06:12:39Z source: RADB last-modified: 2023-11-13T15:56:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.28.47.0/24 origin: AS137850 descr: MaeFhaluang University Network notify: noc [at] uni.net.th notify: akanit [at] mfu.ac.th mnt-by: MAINT-AS4621 changed: kriengsak [at] uni.net.th 20190703 #06:11:49Z source: RADB last-modified: 2023-11-13T15:56:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:3c8:5505::/48 origin: AS137850 descr: MaeFaLuang University Network notify: akanit [at] mfu.ac.th notify: noc [at] uni.net.th mnt-by: MAINT-AS4621 changed: kriengsak [at] uni.net.th 20190703 #06:10:38Z source: RADB last-modified: 2023-11-13T15:56:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source