These entries are queried from radb.net using whois, you can try my project getting these.
:AS33155 route: 199.120.202.0/24 descr: Comcast cable Communications, Inc. 1800 Bishops Gate Blvd Mt laurel, NJ 08054 origin: AS33155 remarks: Proxy object for customer ACSINC - Advanced Technology Services, Inc. mnt-by: MAINT-AS7922 changed: stuart_nickerson [at] cable.comcast.com 20130826 #23:03:54Z source: RADB last-modified: 2023-11-13T15:54:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.194.56.0/21 descr: Comcast cable Communications, Inc. 1800 Bishops Gate Blvd Mt laurel, NJ 08054 origin: AS33155 remarks: Proxy object for customer ACSINC - Advanced Technology Services, Inc. mnt-by: MAINT-AS7922 changed: stuart_nickerson [at] cable.comcast.com 20130826 #23:02:55Z source: RADB last-modified: 2023-11-13T15:54:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source