These entries are queried from radb.net using whois, you can try my project getting these.
:AS14849 route: 63.214.252.0/24 descr: CLEARWORKS origin: AS14849 mnt-by: CLEARWORKS-MNT changed: shester [at] clearworks.net 20000710 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 63.214.253.0/24 descr: CLEARWORKS origin: AS14849 mnt-by: CLEARWORKS-MNT changed: shester [at] clearworks.net 20000710 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 63.214.254.0/24 descr: CLEARWORKS origin: AS14849 mnt-by: CLEARWORKS-MNT changed: shester [at] clearworks.net 20000710 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 63.214.255.0/24 descr: CLEARWORKS origin: AS14849 mnt-by: CLEARWORKS-MNT changed: shester [at] clearworks.net 20000710 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.157.240.0/24 descr: CLEARWORKS origin: AS14849 mnt-by: CLEARWORKS-MNT changed: shester [at] clearworks.net 20010508 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.157.241.0/24 descr: CLEARWORKS origin: AS14849 mnt-by: CLEARWORKS-MNT changed: shester [at] clearworks.net 20010508 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.157.242.0/24 descr: CLEARWORKS origin: AS14849 mnt-by: CLEARWORKS-MNT changed: shester [at] clearworks.net 20010508 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.157.243.0/24 descr: CLEARWORKS origin: AS14849 mnt-by: CLEARWORKS-MNT changed: shester [at] clearworks.net 20010508 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.157.244.0/24 descr: CLEARWORKS origin: AS14849 mnt-by: CLEARWORKS-MNT changed: shester [at] clearworks.net 20010508 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.157.245.0/24 descr: CLEARWORKS origin: AS14849 mnt-by: CLEARWORKS-MNT changed: shester [at] clearworks.net 20010508 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.157.246.0/24 descr: CLEARWORKS origin: AS14849 mnt-by: CLEARWORKS-MNT changed: shester [at] clearworks.net 20010508 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.157.247.0/24 descr: CLEARWORKS origin: AS14849 mnt-by: CLEARWORKS-MNT changed: shester [at] clearworks.net 20010508 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.71.12.0/22 descr: Proxy-registered route object origin: AS14849 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 20061028 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.71.12.0/24 origin: AS14849 descr: FED1 #ECR000001350769 remarks: Proxy object for AS14849 mnt-by: MAINT-AS22773 changed: cciatl-nocengineer [at] cox.com 20220520 source: RADB last-modified: 2023-11-13T16:11:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.71.14.0/24 origin: AS14849 descr: FED1 #ECR000001350769 remarks: Proxy object for AS14849 mnt-by: MAINT-AS22773 changed: cciatl-nocengineer [at] cox.com 20220520 source: RADB last-modified: 2023-11-13T16:11:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.100.200.0/24 descr: Proxy-registered route object origin: AS14849 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 20061028 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source