These entries are queried from radb.net using whois, you can try my project getting these.
:AS45133 route: 164.78.0.0/16 descr: PACNET (proxy-registered route object) origin: AS45133 remarks: This route object is for a PACNET 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 ANC peers filter based on these objects this route may be rejected if this object is not created. + Please contact abuse [at] pacnet.net if you have any Concerns regarding Spam/Abuses related to this object + Please contact ip-noc [at] pacnet.net if you have any other Questions regarding this object. notify: ip-noc [at] pacnet.net mnt-by: MAINT-AS4637 changed: ip-noc [at] pacnet.net 20110403 source: RADB last-modified: 2023-11-13T15:58:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 164.78.252.0/24 origin: AS45133 descr: Proxy registered route object. Singapore Polytechnic 500 Dover Road S139651 Singapore Roslizan_amat [at] sp.edu.sg noc [at] sp.edu.sg mnt-by: MAINT-AS23856 changed: iskandar.basman [at] sptel.com 20230927 #13:25:26Z source: RADB last-modified: 2023-11-13T16:18:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2403:e900::/32 origin: AS45133 descr: Proxy registered route object. Singapore Polytechnic 500 Dover Road S139651 Singapore Roslizan_amat [at] sp.edu.sg noc [at] sp.edu.sg mnt-by: MAINT-AS23856 changed: iskandar.basman [at] sptel.com 20230927 #13:26:35Z source: RADB last-modified: 2023-11-13T16:18:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source