These entries are queried from radb.net using whois, you can try my project getting these.
:AS21639 route: 64.47.41.0/24 descr: MH2 - Masergy block admin-c: MU1-LEVEL3 tech-c: MU1-LEVEL3 origin: AS21639 mnt-by: MASERGY-MNT changed: lglover [at] masergy.com 20020726 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.47.41.0/24 descr: PACNET (proxy-registered route object) origin: AS21639 remarks: This route object is for a PACNET 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 PACNET peers filter based on these objects this route may be rejected if this object is not created. + Please contact abuse [at] pacnet.net if you have any Concerns regarding Spam/Abuses related to this object + Please contact ip-noc [at] pacnet.net if you have any other Questions regarding this object. notify: ip-noc [at] pacnet.net mnt-by: MAINT-AS4637 changed: ip-noc [at] pacnet.net 20100201 source: RADB last-modified: 2023-11-13T15:58:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 65.203.99.0/24 descr: MH2 - UUNET block admin-c: MU1-LEVEL3 tech-c: MU1-LEVEL3 origin: AS21639 mnt-by: MASERGY-MNT changed: lglover [at] masergy.com 20020726 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.248.253.0/24 origin: AS21639 descr: BTNR remarks: SE mnt-by: MAINT-AS22773 changed: cciatl-nocengineer [at] cox.com 20221109 source: RADB last-modified: 2023-11-13T16:13:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.248.253.0/24 descr: Blue Cross Blue Shield Of Louisiana origin: AS21639 mnt-by: MAINT-AS21639 changed: clint.simmons [at] bcbsla.com 20211221 source: NTTCOM last-modified: 2021-12-21T18:09:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 165.254.60.216/29 descr: proxy bcbsla origin: AS21639 mnt-by: MAINT-NTTCOM-RA changed: sjones [at] gin.ntt.net 20211208 source: NTTCOM last-modified: 2021-12-08T19:40:13Z rpki-ov-state: valid