These entries are queried from radb.net using whois, you can try my project getting these.
:AS271447 route: 179.49.88.0/22 origin: AS271447 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: hugomoura [at] softlink.net.br mnt-by: MAINT-AS271447 source: TC last-modified: 2021-07-05T00:26:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 179.49.88.0/22 origin: AS271447 descr: This is a BR.Digital customer proxy route object that was created because no existing route object with the same origin was found. Please contact bgp [at] br.digital if you have any questions regarding this object. mnt-by: MAINT-AS14840 changed: gacosta [at] br.digital 20210722 #21:48:43Z source: RADB last-modified: 2023-11-13T16:07:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7bac::/32 origin: AS271447 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: hugomoura [at] softlink.net.br mnt-by: MAINT-AS271447 source: TC last-modified: 2021-07-05T00:26:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source