These entries are queried from radb.net using whois, you can try my project getting these.
:AS45324 route: 202.52.146.0/23 descr: Proxy-registered route object origin: AS45324 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 20100811 #16:51:14Z source: RADB last-modified: 2023-11-13T15:42:40Z rpki-ov-state: valid route: 202.52.146.0/23 descr: Routes announced to Level 3 by BIZNET. origin: AS45324 mnt-by: BIZNET-MNT changed: noc [at] biznetnetworks.com 20160623 source: LEVEL3 rpki-ov-state: valid route: 202.52.146.0/24 descr: Proxy-registered route object origin: AS45324 notify: radb [at] hutchcity.com mnt-by: MAINT-AS9304 changed: radb [at] hutchcity.com 20120919 source: RADB last-modified: 2023-11-13T15:43:22Z rpki-ov-state: valid route: 202.52.146.0/24 descr: Routes announced to Level 3 by BIZNET. origin: AS45324 mnt-by: BIZNET-MNT changed: noc [at] biznetnetworks.com 20170130 source: LEVEL3 rpki-ov-state: valid route: 202.52.147.0/24 descr: Routes announced to Level 3 by BIZNET. origin: AS45324 mnt-by: BIZNET-MNT changed: noc [at] biznetnetworks.com 20170130 source: LEVEL3 rpki-ov-state: valid route: 202.52.147.0/24 descr: Proxy-registered route object origin: AS45324 notify: radb [at] hutchcity.com mnt-by: MAINT-AS9304 changed: radb [at] hutchcity.com 20120919 source: RADB last-modified: 2023-11-13T15:43:22Z rpki-ov-state: valid