These entries are queried from radb.net using whois, you can try my project getting these.
:AS131195 route: 203.217.184.0/24 origin: AS131195 descr: Singapore Institute of Management mnt-by: MAINT-AS18106 changed: noc.sg [at] viewqwest.com 20220725 #02:33:14Z source: RADB last-modified: 2023-11-13T16:11:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.217.186.0/23 origin: AS131195 descr: MyRepublic on behalf of SIM Headquarters mnt-by: MAINT-AS132132 changed: htet [at] myrepublic.com.sg 20190327 #07:39:07Z source: RADB last-modified: 2023-11-13T15:55:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.217.187.0/24 origin: AS131195 descr: SINGAPORE INSTITUTE OF MANAGEMENT (proxy-registered route object) SIM Headquarters, 461 Clementi Road, Singapore 599491 email: sysop [at] sim.edu.sg mnt-by: MAINT-AS17547 changed: iskandarb [at] m1.com.sg 20190820 #02:14:43Z source: RADB last-modified: 2023-11-13T15:57:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source