These entries are queried from radb.net using whois, you can try my project getting these.
:AS264908 route: 168.228.72.0/22 descr: Proxy Route For ASN264908 origin: AS264908 mnt-by: MAINT-AS263949 changed: edenilson [at] deztelecom.net.br 20170208 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 168.228.72.0/22 descr: ITX-MJA origin: AS264908 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20180806 #18:20:42Z source: RADB last-modified: 2023-11-13T15:54:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2fb8::/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 AS264908) 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: AS264908 notify: ip-bgp [at] oi.net.br mnt-by: MAINT-AS8167 changed: ip-bgp [at] oi.net.br 20171108 source: RADB last-modified: 2023-11-13T15:53:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source