These entries are queried from radb.net using whois, you can try my project getting these.
:AS141205 route: 103.152.135.0/24 origin: AS141205 descr: Maybank Kim Eng Securities Pte Ltd 50 North Canal Road., Singapore 059304 mnt-by: MAINT-MKESPL-SG last-modified: 2020-09-30T02:51:17Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.186.249.0/24 origin: AS141205 descr: Maybank Securities Pte Ltd 50 North Canal Road., Singapore 059304 mnt-by: MAINT-MKESPL-SG last-modified: 2022-09-06T09:45:09Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source