These entries are queried from radb.net using whois, you can try my project getting these.
:AS131246 route: 202.29.6.0/24 descr: UNINET-LRU Thailand Ratchabhat Loie University origin: AS131246 notify: noc [at] uni.net.th notify: noc [at] lru.ac.th mnt-by: MAINT-AS4621 changed: tawee [at] uni.net.th 20100423 #04:34:30Z source: RADB last-modified: 2023-11-13T15:55:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:3c8:c103::/48 origin: AS131246 descr: Loei Rajabhat University Network. 234 Mueang, Mueang Loei, Loei, Thailand 4200 notify: noc [at] uni.net.th notify: noc [at] uni.net.th mnt-by: MAINT-AS4621 changed: kriengsak [at] uni.net.th 20190116 #04:49:37Z source: RADB last-modified: 2023-11-13T15:55:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source