These entries are queried from radb.net using whois, you can try my project getting these.
:AS46459 route: 204.235.122.0/23 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS46459 remarks: Proxy add for EDIA customer Alarm Detection Systems, Inc mnt-by: MAINT-AS7922 changed: orin_flaharty [at] cable.comcast.com 20210225 source: RADB last-modified: 2023-11-13T16:03:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.86.113.0/24 descr: Comcast cable Communications, Inc. 1800 Bishops Gate Blvd Mt laurel, NJ 08054 origin: AS46459 remarks: Proxy object for customer Alarm Detection Systems Inc mnt-by: MAINT-AS7922 changed: stuart_nickerson [at] cable.comcast.com 20130826 #23:10:01Z source: RADB last-modified: 2023-11-13T15:54:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source