These entries are queried from radb.net using whois, you can try my project getting these.
:AS45520 route: 223.27.204.0/24 descr: BB BROADBAND CO., LTD. origin: AS45520 admin-c: Yutthapong Amornfa tech-c: Tharit Kaewkruewan notify: tharit_k [at] beenets.com mnt-by: MAINT-AS45796 changed: tharit_k [at] beenets.com 20110404 #04:57:05Z source: RADB last-modified: 2023-11-13T15:41:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source