These entries are queried from radb.net using whois, you can try my project getting these.
:AS22753 route: 38.145.32.0/19 origin: AS22753 descr: Route Registered for Cogent Communications Customer Red Hat Inc mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20200511 #19:18:49Z source: RADB last-modified: 2023-11-13T16:00:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.187.224.0/20 descr: RR-RC-Red Hat-Raleigh origin: AS22753 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.187.224.0/20 descr: Red Hat, Inc. origin: AS22753 member-of: rs-REDHAT-AS22753 mnt-by: MNT-REDHAT-1 changed: vkreuk [at] redhat.com 20200511 source: ARIN remarks: Red Hat RDU2 v4 supernet rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.187.224.0/24 descr: Red Hat, Inc. origin: AS22753 mnt-by: MAINT-AS27506 changed: daniel.mccoon [at] crowncastle.com 20190910 source: RADB last-modified: 2023-11-13T15:57:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.187.229.0/24 descr: REDHAT Stuttgart origin: AS22753 mnt-by: DE-COLT-MNT created: 2007-12-21T08:08:01Z last-modified: 2018-09-04T15:52:31Z source: RIPE-NONAUTH remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.187.229.0/24 descr: Proxy-registered route object origin: AS22753 remarks: auto-generated route object remarks: this next line gives the robot something to recognize remarks: L'enfer, c'est les autres remarks: remarks: This route object is for a Level 3 customer route remarks: which is being exported under this origin AS. remarks: remarks: This route object was created because no existing remarks: route object with the same origin was found, and remarks: since some Level 3 peers filter based on these objects remarks: this route may be rejected if this object is not created. remarks: remarks: Please contact dl-routing [at] lumen.com if you have any remarks: questions regarding this object. mnt-by: LEVEL3-MNT changed: roy [at] Level3.net 20060707 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.187.232.0/23 descr: RR-RC-Red Hat-Raleigh origin: AS22753 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.187.232.0/23 descr: Red Hat, Inc. origin: AS22753 member-of: rs-REDHAT-AS22753 mnt-by: MNT-REDHAT-1 changed: vkreuk [at] redhat.com 20200511 source: ARIN remarks: Red Hat RDU2 v4 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.187.238.0/24 origin: AS22753 descr: Virtela Communications 5680 Greenwood Plaza Blvd Greenwood Village CO 80111 US notify: goc [at] virtela.net mnt-by: MAINT-VRTL changed: goc [at] virtela.net 20101112 source: RADB last-modified: 2023-11-13T15:41:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.187.239.0/24 origin: AS22753 descr: Virtela Communications (Proxy for Redhat) 5680 Greenwood Plaza Blvd Greenwood Village CO 80111 US notify: goc [at] virtela.net mnt-by: MAINT-VRTL changed: goc [at] virtela.net 20100621 source: RADB last-modified: 2023-11-13T15:40:58Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.187.240.0/24 descr: Proxy route object registered by AS2764 origin: AS22753 remarks: This route object was created by AAPT on behalf of a customer. remarks: As some of AAPTs upstream networks filter based on IRR objects, remarks: this route object has been created to ensure that the advertisement remarks: of this prefix is not rejected. notify: routing.shared [at] aapt.com.au mnt-by: MAINT-AS2764 changed: nobody [at] aapt.com.au 20150615 source: RADB last-modified: 2023-11-13T16:16:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.187.241.0/24 descr: Proxy route object registered by AS2764 origin: AS22753 remarks: This route object was created by AAPT on behalf of a customer. remarks: As some of AAPTs upstream networks filter based on IRR objects, remarks: this route object has been created to ensure that the advertisement remarks: of this prefix is not rejected. notify: routing.shared [at] aapt.com.au mnt-by: MAINT-AS2764 changed: nobody [at] aapt.com.au 20150609 source: RADB last-modified: 2023-11-13T16:16:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.187.243.0/24 descr: Proxy route object registered by AS2764 origin: AS22753 remarks: This route object was created by AAPT on behalf of a customer. remarks: As some of AAPTs upstream networks filter based on IRR objects, remarks: this route object has been created to ensure that the advertisement remarks: of this prefix is not rejected. notify: routing.shared [at] aapt.com.au mnt-by: MAINT-AS2764 changed: nobody [at] aapt.com.au 20151223 source: RADB last-modified: 2023-11-13T16:16:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.132.176.0/20 descr: Red Hat, Inc. origin: AS22753 mnt-by: MAINT-AS27506 changed: daniel.mccoon [at] crowncastle.com 20190920 source: RADB last-modified: 2023-11-13T15:57:47Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.132.176.0/20 descr: Red Hat, Inc. origin: AS22753 member-of: rs-REDHAT-AS22753 mnt-by: MNT-REDHAT-1 changed: vkreuk [at] redhat.com 20200511 source: ARIN remarks: Red Hat RDU2 v4 supernet rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.132.176.0/24 descr: Red Hat, Inc. origin: AS22753 mnt-by: MAINT-AS27506 changed: daniel.mccoon [at] crowncastle.com 20190910 source: RADB last-modified: 2023-11-13T15:57:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.132.190.0/23 descr: Red Hat, Inc. origin: AS22753 member-of: rs-REDHAT-AS22753 mnt-by: MNT-REDHAT-1 changed: vkreuk [at] redhat.com 20200511 source: ARIN remarks: Red Hat RDU2 v4 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.132.190.0/23 descr: RR-RC-Red Hat-Raleigh origin: AS22753 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:52::/40 descr: Red Hat, Inc. origin: AS22753 mnt-by: MAINT-AS27506 changed: dino.barrow [at] crowncastle.com 20210728 source: RADB last-modified: 2023-11-13T16:08:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:52::/40 descr: Red Hat, Inc. origin: AS22753 mnt-by: MNT-REDHAT-1 changed: vkreuk [at] redhat.com 20200511 source: ARIN remarks: Red Hat RDU2 v6 supernet rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:52:4::/48 descr: Red Hat, Inc. origin: AS22753 mnt-by: MAINT-AS27506 changed: dino.barrow [at] crowncastle.com 20210728 source: RADB last-modified: 2023-11-13T16:08:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:52:8::/48 descr: Red Hat, Inc. origin: AS22753 mnt-by: MNT-REDHAT-1 member-of: rs-REDHAT-AS22753 changed: vkreuk [at] redhat.com 20200511 source: ARIN remarks: Red Hat RDU2 v6 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2a05:7640::/32 descr: Red Hat, Inc. origin: AS22753 mnt-by: MAINT-AS27506 changed: daniel.mccoon [at] crowncastle.com 20190910 source: RADB last-modified: 2023-11-13T15:57:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source