These entries are queried from radb.net using whois, you can try my project getting these.
:AS21793 route: 76.76.96.0/19 descr: Netelligent Proxy Record for AS21793 origin: AS21793 mnt-by: MAINT-AS10929 changed: irr [at] netelligent.ca 20110104 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.65.60.0/22 descr: Netelligent Proxy Record for AS21793 origin: AS21793 mnt-by: MAINT-AS10929 changed: irr [at] netelligent.ca 20110104 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.66.68.0/22 descr: Netelligent Proxy Record for AS21793 origin: AS21793 mnt-by: MAINT-AS10929 changed: irr [at] netelligent.ca 20110104 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.75.188.0/22 descr: Netelligent Proxy Record for AS21793 origin: AS21793 mnt-by: MAINT-AS10929 changed: irr [at] netelligent.ca 20110104 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source