These entries are queried from radb.net using whois, you can try my project getting these.
:AS45473 route: 203.99.128.0/23 descr: Proxy-registered route object origin: AS45473 remarks: This route object is for a PCCW Global customer route which is being exported under this origin AS. _ This route object was created because no existing route object with the same origin was found, and since some PCCW Global peers filter based on these objects this route may be rejected if this object is not created. _ Please contact peering [at] pccwglobal.com if you have any questions regarding this object. mnt-by: MAINT-AS3491 changed: sajwani [at] pccwbtn.com 20110615 #16:21:43Z source: RADB last-modified: 2023-11-13T15:42:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.99.128.0/24 origin: AS45473 descr: Vocus Route IPv4 mnt-by: MAINT-AS9790 changed: radbupdater [at] vocusgroup.co.nz 20230727 source: RADB last-modified: 2023-11-13T16:17:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source