These entries are queried from radb.net using whois, you can try my project getting these.
:AS263994 route: 138.255.220.0/22 origin: AS263994 descr: Customer American Tower mnt-by: MAINT-AS23106 changed: bgp.fibra [at] americantower.com 20200312 #18:00:11Z source: RADB last-modified: 2023-11-13T16:11:41Z rpki-ov-state: valid route: 138.255.220.0/22 descr: AS263994-FULLNET origin: AS263994 notify: noc [at] fullnet.com.br mnt-by: MAINT-AS263994 changed: helio [at] fullnet.com.br 20220131 source: TC last-modified: 2022-01-31T19:17:17Z rpki-ov-state: valid route: 138.255.220.0/23 descr: CLARO S.A. Customer origin: AS263994 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200915 source: RADB last-modified: 2023-11-13T16:01:39Z rpki-ov-state: valid route: 138.255.220.0/23 descr: AS263994-FULLNET origin: AS263994 notify: noc [at] fullnet.com.br mnt-by: MAINT-AS263994 changed: helio [at] fullnet.com.br 20220131 source: TC last-modified: 2022-01-31T19:17:17Z rpki-ov-state: valid route: 138.255.220.0/24 descr: AS263994-FULLNET origin: AS263994 notify: noc [at] fullnet.com.br mnt-by: MAINT-AS263994 changed: helio [at] fullnet.com.br 20220131 source: TC last-modified: 2022-01-31T19:17:17Z rpki-ov-state: valid route: 138.255.221.0/24 descr: AS263994-FULLNET origin: AS263994 notify: noc [at] fullnet.com.br mnt-by: MAINT-AS263994 changed: helio [at] fullnet.com.br 20220131 source: TC last-modified: 2022-01-31T19:17:17Z rpki-ov-state: valid route: 138.255.222.0/23 descr: CLARO S.A. Customer origin: AS263994 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200915 source: RADB last-modified: 2023-11-13T16:01:39Z rpki-ov-state: valid route: 138.255.222.0/23 descr: AS263994-FULLNET origin: AS263994 notify: noc [at] fullnet.com.br mnt-by: MAINT-AS263994 changed: helio [at] fullnet.com.br 20220131 source: TC last-modified: 2022-01-31T19:17:17Z rpki-ov-state: valid route: 138.255.222.0/24 descr: AS263994-FULLNET origin: AS263994 notify: noc [at] fullnet.com.br mnt-by: MAINT-AS263994 changed: helio [at] fullnet.com.br 20220131 source: TC last-modified: 2022-01-31T19:17:17Z rpki-ov-state: valid route: 138.255.223.0/24 descr: AS263994-FULLNET origin: AS263994 notify: noc [at] fullnet.com.br mnt-by: MAINT-AS263994 changed: helio [at] fullnet.com.br 20220131 source: TC last-modified: 2022-01-31T19:17:17Z rpki-ov-state: valid route: 168.196.144.0/22 descr: AS263994-FULLNET origin: AS263994 notify: noc [at] fullnet.com.br mnt-by: MAINT-AS263994 changed: helio [at] fullnet.com.br 20220131 source: TC last-modified: 2022-01-31T19:17:17Z rpki-ov-state: valid route: 168.196.144.0/22 descr: Transito Britis to HELIO B. MARTINS JUNIOR - ME origin: AS263994 admin-c: Eduardo Fumes Parajo tech-c: Epafras Rezende Schaden mnt-by: MAINT-AS22356 changed: epafras [at] durand.com.br 20190328 source: RADB last-modified: 2023-11-13T15:55:46Z rpki-ov-state: valid route: 168.196.144.0/23 descr: AS263994-FULLNET origin: AS263994 notify: noc [at] fullnet.com.br mnt-by: MAINT-AS263994 changed: helio [at] fullnet.com.br 20220131 source: TC last-modified: 2022-01-31T19:17:17Z rpki-ov-state: valid route: 168.196.144.0/23 descr: CLARO S.A. Customer origin: AS263994 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200928 source: RADB last-modified: 2023-11-13T16:01:58Z rpki-ov-state: valid route: 168.196.144.0/24 descr: AS263994-FULLNET origin: AS263994 notify: noc [at] fullnet.com.br mnt-by: MAINT-AS263994 changed: helio [at] fullnet.com.br 20220131 source: TC last-modified: 2022-01-31T19:17:17Z rpki-ov-state: valid route: 168.196.145.0/24 descr: AS263994-FULLNET origin: AS263994 notify: noc [at] fullnet.com.br mnt-by: MAINT-AS263994 changed: helio [at] fullnet.com.br 20220131 source: TC last-modified: 2022-01-31T19:17:17Z rpki-ov-state: valid route: 168.196.146.0/23 descr: AS263994-FULLNET origin: AS263994 notify: noc [at] fullnet.com.br mnt-by: MAINT-AS263994 changed: helio [at] fullnet.com.br 20220131 source: TC last-modified: 2022-01-31T19:17:17Z rpki-ov-state: valid route: 168.196.146.0/23 descr: CLARO S.A. Customer origin: AS263994 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20201028 source: RADB last-modified: 2023-11-13T16:02:40Z rpki-ov-state: valid route: 168.196.146.0/24 descr: AS263994-FULLNET origin: AS263994 notify: noc [at] fullnet.com.br mnt-by: MAINT-AS263994 changed: helio [at] fullnet.com.br 20220131 source: TC last-modified: 2022-01-31T19:17:17Z rpki-ov-state: valid route: 168.196.147.0/24 descr: AS263994-FULLNET origin: AS263994 notify: noc [at] fullnet.com.br mnt-by: MAINT-AS263994 changed: helio [at] fullnet.com.br 20220131 source: TC last-modified: 2022-01-31T19:17:17Z rpki-ov-state: valid route6: 2804:290c::/32 descr: Cemig origin: AS263994 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: valid route6: 2804:290c::/32 descr: AS263994-FULLNET origin: AS263994 notify: noc [at] fullnet.com.br mnt-by: MAINT-AS263994 changed: helio [at] fullnet.com.br 20220131 source: TC last-modified: 2022-01-31T19:41:43Z rpki-ov-state: valid route6: 2804:290c::/36 descr: CLARO S.A. Customer origin: AS263994 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230927 source: RADB last-modified: 2023-11-13T16:18:45Z rpki-ov-state: valid