These entries are queried from radb.net using whois, you can try my project getting these.
:AS136497 route: 103.90.140.0/23 descr: Proxy route object registered by AS38195 origin: AS136497 remarks: This route object was created by Superloop on behalf of a customer. notify: peering [at] superloop.com mnt-by: MAINT-AS38195 changed: peering [at] superloop.com 20200219 source: RADB last-modified: 2023-11-13T16:18:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source