These entries are queried from radb.net using whois, you can try my project getting these.
:AS38543 route: 58.97.62.0/24 descr: IBM Solution Delivery Company Limited origin: AS38543 mnt-by: MAINT-AS7470 changed: register [at] asianet.co.th 20070418 #03:04:01(UTC) changed: register [at] asianet.co.th 20070419 #05:04:33(UTC) source: RADB last-modified: 2023-11-13T15:39:41Z rpki-ov-state: valid route: 61.90.164.0/24 descr: IBM (thailand) origin: AS38543 mnt-by: MAINT-AS7470 changed: register [at] asianet.co.th 20070501 #03:29:54(UTC) changed: register [at] asianet.co.th 20070501 #03:31:27(UTC) source: RADB last-modified: 2023-11-13T15:39:41Z rpki-ov-state: valid