These entries are queried from radb.net using whois, you can try my project getting these.
:AS263991 route: 143.0.28.0/22 descr: WFNET origin: AS263991 notify: wfnet1 [at] gmail.com mnt-by: MAINT-AS263991 changed: noc [at] wfnet.net.br source: TC last-modified: 2023-04-17T18:44:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.0.28.0/23 descr: WFNET origin: AS263991 notify: wfnet1 [at] gmail.com mnt-by: MAINT-AS263991 changed: wfnet1 [at] gmail.com 20230417 source: TC last-modified: 2023-04-17T18:44:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.0.28.0/24 descr: WFNET origin: AS263991 notify: wfnet1 [at] gmail.com mnt-by: MAINT-AS263991 changed: wfnet1 [at] gmail.com 20230417 source: TC last-modified: 2023-04-17T18:44:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.0.29.0/24 descr: WFNET origin: AS263991 notify: wfnet1 [at] gmail.com mnt-by: MAINT-AS263991 changed: wfnet1 [at] gmail.com 20230417 source: TC last-modified: 2023-04-17T18:46:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.0.30.0/23 descr: WFNET origin: AS263991 notify: wfnet1 [at] gmail.com mnt-by: MAINT-AS263991 changed: wfnet1 [at] gmail.com 20230417 source: TC last-modified: 2023-04-17T18:44:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.0.30.0/24 descr: WFNET origin: AS263991 notify: wfnet1 [at] gmail.com mnt-by: MAINT-AS263991 changed: wfnet1 [at] gmail.com 20230417 source: TC last-modified: 2023-04-17T18:44:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.0.31.0/24 descr: WFNET origin: AS263991 notify: wfnet1 [at] gmail.com mnt-by: MAINT-AS263991 changed: wfnet1 [at] gmail.com 20230417 source: TC last-modified: 2023-04-17T18:44:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.245.16.0/22 origin: AS263991 descr: Customer 263991 notify: wfnet1 [at] gmail.com mnt-by: MAINT-AS28580 changed: csirt [at] noc.faster.com.br 20200528 #19:06:35Z source: RADB last-modified: 2023-11-13T16:00:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.245.16.0/22 descr: WFNET origin: AS263991 notify: wfnet1 [at] gmail.com mnt-by: MAINT-AS263991 changed: wfnet1 [at] gmail.com 20230417 source: TC last-modified: 2023-04-17T18:44:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.245.16.0/23 descr: WFNET origin: AS263991 notify: wfnet1 [at] gmail.com mnt-by: MAINT-AS263991 changed: wfnet1 [at] gmail.com 20230417 source: TC last-modified: 2023-04-17T18:44:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.245.16.0/24 descr: WFNET origin: AS263991 notify: wfnet1 [at] gmail.com mnt-by: MAINT-AS263991 changed: wfnet1 [at] gmail.com 20230417 source: TC last-modified: 2023-04-17T18:44:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.245.17.0/24 descr: WFNET origin: AS263991 notify: wfnet1 [at] gmail.com mnt-by: MAINT-AS263991 changed: wfnet1 [at] gmail.com 20230417 source: TC last-modified: 2023-04-17T18:44:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.245.17.0/24 descr: PROXY CUSTOMER RAFAEL origin: AS263991 mnt-by: MAINT-AS272193 changed: matheus [at] routerx.net.br 20230316 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.245.18.0/23 descr: WFNET origin: AS263991 notify: wfnet1 [at] gmail.com mnt-by: MAINT-AS263991 changed: wfnet1 [at] gmail.com 20230417 source: TC last-modified: 2023-04-17T18:44:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.245.18.0/23 descr: PROXY CUSTOMER RAFAEL origin: AS263991 mnt-by: MAINT-AS272193 changed: matheus [at] routerx.net.br 20230316 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.245.18.0/24 descr: WFNET origin: AS263991 notify: wfnet1 [at] gmail.com mnt-by: MAINT-AS263991 changed: wfnet1 [at] gmail.com 20230417 source: TC last-modified: 2023-04-17T18:44:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.245.19.0/24 descr: WFNET origin: AS263991 notify: wfnet1 [at] gmail.com mnt-by: MAINT-AS263991 changed: wfnet1 [at] gmail.com 20230417 source: TC last-modified: 2023-04-17T18:44:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:28fc::/32 descr: AS-EVE-CUSTOMER-263991 origin: AS263991 remarks: Cliente do Cliente Everest Ridge remarks: AS PATH 267613 267056 52551 272193 265412 263991 remarks: Usuario XConn rsousa 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: filtrosbgpoperadoras [at] eletronet.com mnt-by: MAINT-AS267613 changed: filtrosbgpoperadoras [at] eletronet.com 20230317 #07:57:25Z source: RADB last-modified: 2023-11-13T16:15:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source