These entries are queried from radb.net using whois, you can try my project getting these.
:AS263939 route: 138.219.44.0/22 origin: AS263939 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: marcondesmoraes [at] gmail.com mnt-by: MAINT-AS263939 source: TC last-modified: 2024-01-11T12:07:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 138.219.44.0/22 descr: AS263939 origin: AS263939 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20151124 #14:07:23Z source: RADB last-modified: 2023-11-13T15:48:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 138.219.44.0/24 descr: AS-ORB-CUSTOMER-263939 origin: AS263939 remarks: Cliente do Cliente Orbix remarks: AS PATH 267613 263073 263939 remarks: Usuario XConn gcecilio remarks: ************************************************************ remarks: This is a Eletronet customer proxy route object that was cre remarks: ated because no existing route object with the same origin w remarks: as found. Please contact noc [at] eletronet.net.br if you have an remarks: y questions regarding this object. remarks: ************************************************************ notify: coreweb_tier2 [at] eletronet.com notify: filtrosbgpoperadoras [at] eletronet.com mnt-by: MAINT-AS267613 changed: guilherme.cecilio [at] eletronet.com 20200831 #15:46:24Z source: RADB last-modified: 2023-11-13T16:01:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2814::/32 origin: AS263939 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: marcondesmoraes [at] gmail.com mnt-by: MAINT-AS263939 source: TC last-modified: 2024-01-11T12:07:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2814::/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 AS263939) 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: AS263939 notify: ip-bgp [at] oi.net.br mnt-by: MAINT-AS8167 changed: ip-bgp [at] oi.net.br 20190904 source: RADB last-modified: 2023-11-13T15:57:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source