These entries are queried from radb.net using whois, you can try my project getting these.
:AS24076 route: 202.28.60.0/22 descr: SWU Network origin: AS24076 notify: noc [at] uni.net.th notify: mahuttha [at] swu.ac.th mnt-by: MAINT-AS4621 changed: tawee [at] uni.net.th 20021031 changed: werachar [at] uni.net.th 20040617 source: RADB last-modified: 2023-11-13T15:55:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.28.60.0/24 descr: Srinakharinwirot University origin: AS24076 notify: noc-uninet [at] it.chula.ac.th notify: noc [at] uni.net.th mnt-by: MAINT-AS4621 changed: pongsak [at] uni.net.th 20040625 source: RADB last-modified: 2023-11-13T15:55:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.28.61.0/24 descr: Srinakharinwirot University origin: AS24076 notify: noc-uninet [at] it.chula.ac.th notify: noc [at] uni.net.th mnt-by: MAINT-AS4621 changed: pongsak [at] uni.net.th 20040625 source: RADB last-modified: 2023-11-13T15:55:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.28.62.0/24 descr: Srinakharinwirot University origin: AS24076 notify: noc-uninet [at] it.chula.ac.th notify: noc [at] uni.net.th mnt-by: MAINT-AS4621 changed: pongsak [at] uni.net.th 20040625 source: RADB last-modified: 2023-11-13T15:55:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.28.63.0/24 descr: Srinakharinwirot University origin: AS24076 notify: noc-uninet [at] it.chula.ac.th notify: noc [at] uni.net.th mnt-by: MAINT-AS4621 changed: pongsak [at] uni.net.th 20040625 source: RADB last-modified: 2023-11-13T15:55:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source