These entries are queried from radb.net using whois, you can try my project getting these.
:AS5108 route: 204.89.8.0/21 descr: City of Pasadena origin: AS5108 notify: yadong [at] usc.edu notify: ypyun [at] usc.edu remarks: Proxy-registered route object mnt-by: MAINT-AS226 changed: yadong [at] usc.edu 20200617 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.89.8.0/22 descr: City of Pasadena origin: AS5108 notify: yadong [at] usc.edu notify: ypyun [at] usc.edu remarks: Proxy-registered route object mnt-by: MAINT-AS226 changed: yadong [at] usc.edu 20200617 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.89.14.0/24 descr: City of Pasadena origin: AS5108 notify: yadong [at] usc.edu notify: ypyun [at] usc.edu remarks: Proxy-registered route object mnt-by: MAINT-AS226 changed: yadong [at] usc.edu 20200617 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.89.15.0/24 descr: City of Pasadena origin: AS5108 notify: yadong [at] usc.edu notify: ypyun [at] usc.edu remarks: Proxy-registered route object mnt-by: MAINT-AS226 changed: yadong [at] usc.edu 20200617 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source