These entries are queried from radb.net using whois, you can try my project getting these.
:AS263540 route: 177.52.172.0/24 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. origin: AS263540 mnt-by: MAINT-AS52863 changed: noc [at] upx.com.br 20180629 #152333-03 source: RADB last-modified: 2023-11-13T15:54:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.71.64.0/20 origin: AS263540 descr: CUSTOMER - SAMM - QUICKNET - PRINSE MULTIMÍDIA mnt-by: MAINT-AS52551 changed: cgr.samm [at] grupoccr.com.br 20221223 #20:18:35Z source: RADB last-modified: 2023-11-13T16:13:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2801:80:8b0::/48 descr: WIX origin: AS263540 mnt-by: MAINT-AS53013 changed: danielantonio [at] wixnet.com.br 20220727 source: RADB last-modified: 2023-11-13T16:11:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source