These entries are queried from radb.net using whois, you can try my project getting these.
:AS6938 route: 63.211.8.0/21 descr: IOC-L3-1 origin: AS6938 notify: neadmin [at] iocenter.net mnt-by: IOC-MNT changed: kdharia [at] iocenter.net 19990709 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 138.46.0.0/16 descr: Proxy-registered route object origin: AS6938 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 20030504 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.180.251.0/24 descr: INTERNET OPERATIONS CENTER - Customer origin: AS6938 mnt-by: IOC-MNT changed: duane.white [at] level3.com 20140923 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.213.32.0/20 descr: IOC-L3-3 origin: AS6938 notify: kdharia [at] iocenter.net mnt-by: IOC-MNT changed: kdharia [at] iocenter.net 19991207 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.104.128.0/19 descr: IOC-L3-2 origin: AS6938 notify: kdharia [at] iocenter.net mnt-by: IOC-MNT changed: kdharia [at] iocenter.net 19991207 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source