These entries are queried from radb.net using whois, you can try my project getting these.
:AS21690 route: 69.55.10.0/24 descr: Miles Technology origin: AS21690 mnt-by: CTI-MNT changed: ccs_ip-admin [at] cable.comcast.com 20100914 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.118.244.0/22 descr: proxy-registered prefix for customer origin: AS21690 mnt-by: MAINT-AS29838 changed: irr [at] atlanticmetro.net 20201102 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.118.244.0/22 descr: Miles Technologies origin: AS21690 mnt-by: CTI-MNT changed: ccs_ip-admin [at] cable.comcast.com 20110615 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.118.244.0/22 origin: AS21690 descr: Miles Technology admin-c: MAINT-AS26076 tech-c: MAINT-AS26076 notify: pacoreteam [at] telesystem.us mnt-by: MAINT-AS26076 changed: oowolabi [at] sharedsvcs.com 20220302 #17:17:25Z source: RADB last-modified: 2023-11-13T16:09:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source