These entries are queried from radb.net using whois, you can try my project getting these.
:AS37983 route: 43.249.59.0/24 descr: BB Broadband assigned for Bumrungrad Medical Center origin: AS37983 admin-c: Yutthapong Amornfa tech-c: Tharit Kaewkruewan notify: tharit_k [at] beenets.com mnt-by: MAINT-AS45796 changed: tharit_k [at] beenets.com 20150630 #07:53:55Z source: RADB last-modified: 2023-11-13T15:47:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 58.137.197.0/24 descr: Bumrungrad Medical Center origin: AS37983 mnt-by: MAINT-AS4750 changed: bgpadmin [at] csloxinfo.net 20150617 #04:38:10Z source: RADB last-modified: 2023-11-13T15:47:48Z rpki-ov-state: valid