These entries are queried from radb.net using whois, you can try my project getting these.
:AS22837 route: 64.60.92.0/24 descr: Proxy Entry for Acorn origin: AS22837 mnt-by: MAINT-CHTR-WD changed: denny.derda [at] chartercom.com 20100713 #20:26:28Z source: RADB last-modified: 2023-11-13T16:11:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.146.0.0/17 descr: ACORN TECHNOLOGY CORP origin: AS22837 mnt-by: MAINT-CHTR-WD changed: daniel.demouchet [at] chartercom.com 20130402 #23:52:14Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.146.176.0/20 descr: Proxy Entry for ACORN origin: AS22837 mnt-by: MAINT-CHTR-WD changed: denny.derda [at] chartercom.com 20100713 #20:27:17Z source: RADB last-modified: 2023-11-13T16:11:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.181.144.0/20 descr: ACORN TECHNOLOGY CORP origin: AS22837 mnt-by: MAINT-CHTR-WD changed: daniel.demouchet [at] chartercom.com 20130402 #23:50:37Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.209.96.0/22 descr: Proxy Entry for ACORN origin: AS22837 mnt-by: MAINT-CHTR-WD changed: denny.derda [at] chartercom.com 20100713 #20:28:00Z source: RADB last-modified: 2023-11-13T16:11:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.209.108.0/22 descr: Proxy Entry for ACORN origin: AS22837 mnt-by: MAINT-CHTR-WD changed: denny.derda [at] chartercom.com 20100713 #20:28:30Z source: RADB last-modified: 2023-11-13T16:11:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.209.120.0/21 descr: Proxy Entry for ACORN origin: AS22837 mnt-by: MAINT-CHTR-WD changed: denny.derda [at] chartercom.com 20100713 #20:28:57Z source: RADB last-modified: 2023-11-13T16:11:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.220.32.0/20 descr: Proxy Entry for ACORN origin: AS22837 mnt-by: MAINT-CHTR-WD changed: denny.derda [at] chartercom.com 20100713 #20:29:22Z source: RADB last-modified: 2023-11-13T16:11:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.220.48.0/22 descr: Proxy-registered route object origin: AS22837 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 20060421 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.220.48.0/22 descr: Proxy Entry for ACORN origin: AS22837 mnt-by: MAINT-CHTR-WD changed: denny.derda [at] chartercom.com 20100713 #20:29:55Z source: RADB last-modified: 2023-11-13T16:11:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.220.52.0/22 descr: PNAP-LAX swiftcomm-routes origin: AS22837 mnt-by: MAINT-AS1828 changed: kjones [at] internap.com 20021030 source: RADB last-modified: 2023-11-13T16:13:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.220.52.0/24 descr: PNAP-LAX swiftcomm-routes origin: AS22837 mnt-by: MAINT-AS1828 changed: kjones [at] internap.com 20021030 source: RADB last-modified: 2023-11-13T16:13:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.220.56.0/21 descr: Proxy Entry for ACORN origin: AS22837 mnt-by: MAINT-CHTR-WD changed: denny.derda [at] chartercom.com 20100713 #20:30:24Z source: RADB last-modified: 2023-11-13T16:11:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 67.220.160.0/22 descr: Proxy Entry for ACORN origin: AS22837 mnt-by: MAINT-CHTR-WD changed: denny.derda [at] chartercom.com 20100713 #20:30:49Z source: RADB last-modified: 2023-11-13T16:11:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 67.220.168.0/24 descr: Proxy Entry for Acorn origin: AS22837 mnt-by: MAINT-CHTR-WD changed: david.mccomber [at] chartercom.com 20121012 #17:28:02Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 72.34.72.0/21 descr: Proxy Entry for ACORN origin: AS22837 mnt-by: MAINT-CHTR-WD changed: denny.derda [at] chartercom.com 20100713 #20:31:22Z source: RADB last-modified: 2023-11-13T16:11:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 72.34.88.0/21 descr: Proxy Entry for ACORN origin: AS22837 mnt-by: MAINT-CHTR-WD changed: denny.derda [at] chartercom.com 20100713 #20:31:45Z source: RADB last-modified: 2023-11-13T16:11:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.213.248.0/24 descr: Proxy Entry for ACORN origin: AS22837 mnt-by: MAINT-CHTR-WD changed: denny.derda [at] chartercom.com 20100713 #20:32:08Z source: RADB last-modified: 2023-11-13T16:11:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 173.247.181.0/24 descr: Proxy Entry for Acorn origin: AS22837 mnt-by: MAINT-CHTR-WD changed: david.mccomber [at] chartercom.com 20121012 #17:27:38Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.110.168.0/21 descr: Proxy Entry for ACORN origin: AS22837 mnt-by: MAINT-CHTR-WD changed: denny.derda [at] chartercom.com 20100713 #20:32:33Z source: RADB last-modified: 2023-11-13T16:11:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.132.216.0/24 descr: Proxy Entry for Acorn origin: AS22837 mnt-by: MAINT-CHTR-WD changed: david.mccomber [at] chartercom.com 20121012 #17:27:09Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.168.223.0/24 descr: ACORN TECHNOLOGY CORP 1960 CHICAGO AVENUE SUITE F RIVERSIDE, CA. 92507 CIT4753953 origin: AS22837 mnt-by: MAINT-CHTR-WD changed: rick.laporte [at] chartercom.com 20130705 #17:12:07Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source