These entries are queried from radb.net using whois, you can try my project getting these.
:AS52748 route: 177.137.248.0/22 descr: Proxy-registered route object remarks: --------------------------------- remarks: For SECURITY issues, please send messages to remarks: origin AS administrator remarks: (e.g. whois -h whois.registro.br AS52748) remarks: --------------------------------- remarks: This route is from a Oi customer which remarks: is being exported under origin AS below. remarks: It was created by us because no other remarks: route object with the same origin was found. remarks: remarks: Please contact BGPOI-RADB if you have any remarks: questions regarding this object. remarks: origin: AS52748 notify: ip-bgp [at] oi.net.br mnt-by: MAINT-AS8167 changed: ip-bgp [at] oi.net.br 20180703 source: RADB last-modified: 2023-11-13T15:54:02Z rpki-ov-state: valid route: 177.137.248.0/22 descr: SEITEL-TELECOM origin: AS52748 notify: tiago [at] martiniti.com.br mnt-by: MAINT-AS52748 changed: tiago [at] martiniti.com.br source: TC last-modified: 2023-05-19T16:03:25Z rpki-ov-state: valid route: 177.155.64.0/21 descr: SEITEL-TELECOM origin: AS52748 notify: tiago [at] martiniti.com.br mnt-by: MAINT-AS52748 changed: tiago [at] martiniti.com.br source: TC last-modified: 2023-05-19T16:03:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.155.64.0/21 descr: Proxy-registered route object remarks: --------------------------------- remarks: For SECURITY issues, please send messages to remarks: origin AS administrator remarks: (e.g. whois -h whois.registro.br AS52748) remarks: --------------------------------- remarks: This route is from a Oi customer which remarks: is being exported under origin AS below. remarks: It was created by us because no other remarks: route object with the same origin was found. remarks: remarks: Please contact BGPOI-RADB if you have any remarks: questions regarding this object. remarks: origin: AS52748 notify: ip-bgp [at] oi.net.br mnt-by: MAINT-AS8167 changed: ip-bgp [at] oi.net.br 20180703 source: RADB last-modified: 2023-11-13T15:54:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.155.78.0/23 descr: SEITEL-TELECOM origin: AS52748 notify: tiago [at] martiniti.com.br mnt-by: MAINT-AS52748 changed: tiago [at] martiniti.com.br source: TC last-modified: 2023-05-19T16:03:25Z rpki-ov-state: valid route6: 2804:b30::/32 descr: SEITEL-TELECOM origin: AS52748 notify: tiago [at] martiniti.com.br mnt-by: MAINT-AS52748 changed: tiago [at] martiniti.com.br source: TC last-modified: 2023-03-20T16:47:43Z rpki-ov-state: valid route6: 2804:b30::/32 descr: ITX-AVATO origin: AS52748 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20170605 #17:08:48Z source: RADB last-modified: 2023-11-13T15:51:12Z rpki-ov-state: valid