These entries are queried from radb.net using whois, you can try my project getting these.
:AS55919 route: 103.24.77.0/24 origin: AS55919 descr: Singapore University of Technology and Design 8 Somapah Rd mnt-by: MAINT-SUTD-SG last-modified: 2019-04-18T01:15:01Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.94.70.0/24 origin: AS55919 descr: Singapore University of Technology and Design 8 Somapah Rd mnt-by: MAINT-SUTD-SG last-modified: 2019-04-18T01:15:12Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source