These entries are queried from radb.net using whois, you can try my project getting these.
:AS62986 route: 204.91.163.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS62986 remarks: Proxy add for EDIA customer Editorial Projects in Education mnt-by: MAINT-AS7922 changed: adam_berg [at] cable.comcast.com 20140122 #13:07:46Z 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: 209.160.158.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS62986 remarks: Proxy add for EDIA customer Editorial Projects in Education mnt-by: MAINT-AS7922 changed: orin_flaharty [at] cable.comcast.com 20160525 source: RADB last-modified: 2023-11-13T15:54:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source