These entries are queried from radb.net using whois, you can try my project getting these.
:AS12089 route: 139.180.49.0/24 origin: AS12089 descr: NC mnt-by: MAINT-AS12089 changed: maiken [at] conterra.com 20230228 #13:11:52Z source: RADB last-modified: 2023-11-13T16:15:21Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 139.180.60.0/24 descr: CUB-NCAROLINA origin: AS12089 mnt-by: MAINT-AS12089 changed: dbrooks [at] conterra.com 20190627 source: RADB last-modified: 2023-11-13T16:06:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 139.180.60.0/24 descr: CUB-NCAROLINA origin: AS12089 mnt-by: MNT-CUBL changed: dbrooks [at] conterra.com 20190627 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 139.180.61.0/24 descr: CUB-NCAROLINA origin: AS12089 mnt-by: MNT-CUBL changed: dbrooks [at] conterra.com 20190627 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 139.180.61.0/24 descr: CUB-NCAROLINA origin: AS12089 mnt-by: MAINT-AS12089 changed: dbrooks [at] conterra.com 20190627 source: RADB last-modified: 2023-11-13T16:06:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 139.180.62.0/24 descr: CUB-NCAROLINA origin: AS12089 mnt-by: MNT-CUBL changed: dbrooks [at] conterra.com 20190627 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 139.180.62.0/24 descr: CUB-NCAROLINA origin: AS12089 mnt-by: MAINT-AS12089 changed: dbrooks [at] conterra.com 20190627 source: RADB last-modified: 2023-11-13T16:06:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 139.180.63.0/24 descr: CUB-NCAROLINA origin: AS12089 mnt-by: MNT-CUBL changed: dbrooks [at] conterra.com 20190627 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 139.180.63.0/24 descr: CUB-NCAROLINA origin: AS12089 mnt-by: MAINT-AS12089 changed: dbrooks [at] conterra.com 20190627 source: RADB last-modified: 2023-11-13T16:06:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 162.250.88.0/22 origin: AS12089 descr: Proxy Entry for Conterra admin-c: NOCCO23-ARIN tech-c: NOCCO23-ARIN mnt-by: MAINT-AS12089 changed: elux [at] conterra.com 20201203 source: RADB last-modified: 2023-11-13T16:06:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.77.168.0/22 descr: Broadplex-208.77.168.0/22 origin: AS12089 mnt-by: MAINT-AS31863 changed: william [at] dacentec.com 20120624 #08:06:27Z source: RADB last-modified: 2023-11-13T16:10:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.77.168.0/22 descr: route for broadplex tech-c: RD-LEVEL3 origin: AS12089 mnt-by: BROADPLEX-MNT changed: bgp-admin [at] broadplex.net 20070511 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source