These entries are queried from radb.net using whois, you can try my project getting these.
:AS267447 route: 192.141.56.0/22 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 AS267447) 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: AS267447 notify: ip-bgp [at] oi.net.br mnt-by: MAINT-AS8167 changed: ip-bgp [at] oi.net.br 20171208 source: RADB last-modified: 2023-11-13T15:53:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.141.56.0/23 origin: AS267447 descr: LK TELECOM INFORMATICA LTDA ME - ME mnt-by: MAINT-AS53087 changed: jurandir.j [at] tely.com.br 20221014 #14:55:56Z source: RADB last-modified: 2023-11-13T16:12:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.141.58.0/23 origin: AS267447 descr: LK TELECOM INFORMATICA LTDA ME - ME mnt-by: MAINT-AS53087 changed: jurandir.j [at] tely.com.br 20221014 #14:56:26Z source: RADB last-modified: 2023-11-13T16:12:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:41a4::/32 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 AS267447) 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: AS267447 notify: ip-bgp [at] oi.net.br mnt-by: MAINT-AS8167 changed: ip-bgp [at] oi.net.br 20171208 source: RADB last-modified: 2023-11-13T15:53:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source