These entries are queried from radb.net using whois, you can try my project getting these.
:AS11153 route: 199.91.150.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS11153 remarks: Proxy add for customer Corporate Support & Fulfillment LLC mnt-by: MAINT-AS7922 changed: chris_johnson8 [at] cable.comcast.com 20180312 source: RADB last-modified: 2023-11-13T15:54:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 207.86.67.0/24 descr: PNAP-NYC Nomura Securities origin: AS11153 mnt-by: MAINT-AS1828 changed: jonv [at] internap.com 19990621 source: RADB last-modified: 2023-11-13T16:13:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source