These entries are queried from radb.net using whois, you can try my project getting these.
:AS268401 route: 45.239.252.0/22 descr: Customer NETSTART MULTIMIDIA E COMUNICACAO LTDA origin: AS268401 mnt-by: MAINT-AS28598 changed: douglas.mota [at] mobtelecom.com.br 20180806 #20:31:48Z source: RADB last-modified: 2023-11-13T16:12:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.239.252.0/23 descr: Angola Cables proxy-registered route object for customer AS268401 origin: AS268401 remarks: *********************************************** remarks: This object is for *AS268401* customer routes remarks: which is being exported from this source AS. remarks: remarks: This route object was create because no existing remarks: route object with the same sources was found, and remarks: since some Angola Cables peers filter based on remarks: these objects these routes may be rejected if remarks: this object is not created. remarks: remarks: Please contact peering [at] angolacables.co.ao if you remarks: have any questions regarding this object. remarks: *********************************************** mnt-by: MAINT-AS37468 changed: humberto.galiza [at] angolacables.co.ao 20180928 #23:38:34Z source: RADB last-modified: 2023-11-13T15:54:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.239.252.0/24 origin: AS268401 descr: NETSTART MULTIMIDIA E COMUNICACAO LTDA mnt-by: MAINT-AS53087 changed: fabricio.a [at] tely.com.br 20211227 #16:06:20Z source: RADB last-modified: 2023-11-13T16:09:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.239.253.0/24 origin: AS268401 descr: NETSTART MULTIMIDIA E COMUNICACAO LTDA mnt-by: MAINT-AS53087 changed: fabricio.a [at] tely.com.br 20211227 #16:07:17Z source: RADB last-modified: 2023-11-13T16:09:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.239.254.0/23 origin: AS268401 descr: Cliente Brisanet - NETSTART MULTIMIDIA E COMUNICACAO LTDA mnt-by: MAINT-AS28126 changed: noc [at] grupobrisanet.com.br 20220801 #11:57:51Z source: RADB last-modified: 2023-11-13T16:11:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.239.254.0/24 origin: AS268401 descr: NETSTART MULTIMIDIA E COMUNICACAO LTDA mnt-by: MAINT-AS53087 changed: fabricio.a [at] tely.com.br 20211227 #16:08:00Z source: RADB last-modified: 2023-11-13T16:09:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.239.255.0/24 origin: AS268401 descr: NETSTART MULTIMIDIA E COMUNICACAO LTDA mnt-by: MAINT-AS53087 changed: fabricio.a [at] tely.com.br 20211227 #16:08:53Z source: RADB last-modified: 2023-11-13T16:09:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:500c::/32 descr: This is a Commcorp Telecom customer proxy route object that was created because no existing route object with the same origin was found. Please contact noc [at] commcorp.com.br if you have any questions regarding this object. origin: AS268401 mnt-by: MAINT-AS14840 changed: gacosta [at] commcorp.com.br 20200721 source: RADB last-modified: 2023-11-13T16:01:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:50a4::/32 descr: ITX-DB3 origin: AS268401 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20180807 #18:46:18Z source: RADB last-modified: 2023-11-13T15:54:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source