These entries are queried from radb.net using whois, you can try my project getting these.
:AS53057 route: 170.233.84.0/22 descr: RedeHost Internet Ltda origin: AS53057 mnt-by: MAINT-AS28124 changed: artur [at] pinpoint.com.br 20180924 #17:03:49Z source: RADB last-modified: 2023-11-13T16:11:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.233.84.0/22 descr: RedeHost Internet Ltda. origin: AS53057 notify: db-admin [at] bgp.net.br mnt-by: MAINT-AS53057 changed: db-admin [at] bgp.net.br 20201117 source: TC last-modified: 2021-05-05T02:07:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.247.48.0/22 descr: RedeHost Internet Ltda origin: AS53057 mnt-by: MAINT-AS28124 changed: artur [at] pinpoint.com.br 20180924 #17:05:05Z source: RADB last-modified: 2023-11-13T16:11:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.247.48.0/22 descr: RedeHost Internet Ltda. origin: AS53057 notify: db-admin [at] bgp.net.br mnt-by: MAINT-AS53057 changed: db-admin [at] bgp.net.br 20201117 source: TC last-modified: 2021-05-05T02:07:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.55.96.0/19 descr: RedeHost Internet Ltda origin: AS53057 mnt-by: MAINT-AS28124 changed: artur [at] pinpoint.com.br 20180924 #17:09:00Z source: RADB last-modified: 2023-11-13T16:11:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 187.84.224.0/20 origin: AS53057 descr: UOL mnt-by: MAINT-AS7162 changed: rbfreitas [at] uoldiveo.com 20200107 #14:33:00Z source: RADB last-modified: 2023-11-13T16:17:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2ae0::/32 origin: AS53057 descr: This route object is for a UPX Technologies customer route, which is being exported under this origin AS. This route object was created because no existing route object with the same origin was found, and since some UPX peers filter based on these objects this route may be rejected if this object is not created. Please contact noc [at] upx.com.br if you have any questions regarding this object. notify: noc [at] upx.com mnt-by: MAINT-AS52863 changed: noc [at] upx.com.br 20211108 #15:06:09Z source: RADB last-modified: 2023-11-13T16:08:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source