These entries are queried from radb.net using whois, you can try my project getting these.
:AS266427 route: 170.81.148.0/22 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 AS266427) 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: AS266427 notify: ip-bgp [at] oi.net.br mnt-by: MAINT-AS8167 changed: ip-bgp [at] oi.net.br 20190903 source: RADB last-modified: 2023-11-13T15:57:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.81.148.0/22 descr: MI TELECOM INTERNET origin: AS266427 member-of: AS266427:RS-ROUTES notify: noc [at] mitelecom.net.br geoidx: BR geoidx: BRA geoidx: 076 geoidx: BR-MG geoidx: Sapucai Mirim mnt-by: MAINT-AS266427 changed: noc [at] mitelecom.net.br 20230615 source: TC last-modified: 2023-06-15T23:42:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.81.148.0/23 descr: MI TELECOM INTERNET origin: AS266427 member-of: AS266427:RS-ROUTES notify: noc [at] mitelecom.net.br geoidx: BR geoidx: BRA geoidx: 076 geoidx: BR-MG geoidx: Sapucai Mirim mnt-by: MAINT-AS266427 changed: noc [at] mitelecom.net.br 20230615 source: TC last-modified: 2023-06-15T23:42:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.81.148.0/23 descr: CLARO S.A. Customer origin: AS266427 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200706 source: RADB last-modified: 2023-11-13T16:01:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.81.148.0/24 descr: MI TELECOM INTERNET origin: AS266427 member-of: AS266427:RS-ROUTES notify: noc [at] mitelecom.net.br geoidx: BR geoidx: BRA geoidx: 076 geoidx: BR-MG geoidx: Sapucai Mirim mnt-by: MAINT-AS266427 changed: noc [at] mitelecom.net.br 20230615 source: TC last-modified: 2023-06-15T23:42:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.81.148.0/24 descr: CLARO S.A. Customer origin: AS266427 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20201021 source: RADB last-modified: 2023-11-13T16:02:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.81.149.0/24 descr: MI TELECOM INTERNET origin: AS266427 member-of: AS266427:RS-ROUTES notify: noc [at] mitelecom.net.br geoidx: BR geoidx: BRA geoidx: 076 geoidx: BR-MG geoidx: Sapucai Mirim mnt-by: MAINT-AS266427 changed: noc [at] mitelecom.net.br 20230615 source: TC last-modified: 2023-06-15T23:42:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.81.149.0/24 descr: CLARO S.A. Customer origin: AS266427 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200803 source: RADB last-modified: 2023-11-13T16:01:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.81.150.0/23 descr: MI TELECOM INTERNET origin: AS266427 member-of: AS266427:RS-ROUTES notify: noc [at] mitelecom.net.br geoidx: BR geoidx: BRA geoidx: 076 geoidx: BR-MG geoidx: Sapucai Mirim mnt-by: MAINT-AS266427 changed: noc [at] mitelecom.net.br 20230615 source: TC last-modified: 2023-06-15T23:42:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.81.150.0/23 descr: CLARO S.A. Customer origin: AS266427 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210121 source: RADB last-modified: 2023-11-13T16:03:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.81.150.0/24 descr: CLARO S.A. Customer origin: AS266427 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20201015 source: RADB last-modified: 2023-11-13T16:02:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.81.150.0/24 descr: MI TELECOM INTERNET origin: AS266427 member-of: AS266427:RS-ROUTES notify: noc [at] mitelecom.net.br geoidx: BR geoidx: BRA geoidx: 076 geoidx: BR-MG geoidx: Sapucai Mirim mnt-by: MAINT-AS266427 changed: noc [at] mitelecom.net.br 20230615 source: TC last-modified: 2023-06-15T23:42:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.81.151.0/24 descr: MI TELECOM INTERNET origin: AS266427 member-of: AS266427:RS-ROUTES notify: noc [at] mitelecom.net.br geoidx: BR geoidx: BRA geoidx: 076 geoidx: BR-MG geoidx: Sapucai Mirim mnt-by: MAINT-AS266427 changed: noc [at] mitelecom.net.br 20230615 source: TC last-modified: 2023-06-15T23:42:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.81.151.0/24 descr: CLARO S.A. Customer origin: AS266427 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20201030 source: RADB last-modified: 2023-11-13T16:02:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:37ac::/32 origin: AS266427 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: noc [at] mitelecom.net.br mnt-by: MAINT-AS266427 source: TC last-modified: 2023-06-15T21:17:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:37ac::/32 descr: Cemig origin: AS266427 mnt-by: MAINT-AS18678 changed: adminred [at] internexa.com 20170203 #13:53:20Z source: RADB last-modified: 2023-11-13T15:50:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source