These entries are queried from radb.net using whois, you can try my project getting these.
:AS29849 route: 198.252.132.0/24 descr: M9 Systems origin: AS29849 notify: mnagel [at] willingminds.com notify: hostmaster [at] m9sys.com mnt-by: MAINT-M9SYS changed: mnagel [at] willingminds.com 20040203 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 207.38.4.0/22 descr: M9 Systems origin: AS29849 notify: mnagel [at] willingminds.com notify: hostmaster [at] m9sys.com mnt-by: MAINT-M9SYS changed: mnagel [at] willingminds.com 20031230 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 207.38.4.0/22 descr: Proxy-registered route object - M9 Systems Latisys Irvine 17222 Von Karman Avenue Irvine, CA 92612 origin: AS29849 remarks: which is being exported under this origin AS. remarks: This route object is for an InteleNet customer route mnt-by: MAINT-AS5693 changed: hostmaster [at] intelenet.net 20090826 #02:48:44Z source: RADB last-modified: 2023-11-13T15:40:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.77.244.0/22 descr: M9 Systems origin: AS29849 notify: mnagel [at] willingminds.com notify: hostmaster [at] m9sys.com mnt-by: MAINT-M9SYS changed: mnagel [at] willingminds.com 20070507 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source