These entries are queried from radb.net using whois, you can try my project getting these.
:AS137906 route: 203.1.21.0/24 descr: Proxy route object registered by AS38195 origin: AS137906 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 20190404 source: RADB last-modified: 2023-11-13T16:18:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.98.72.0/24 descr: Proxy route object registered by AS38195 origin: AS137906 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 20190409 source: RADB last-modified: 2023-11-13T16:18:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source