These entries are queried from radb.net using whois, you can try my project getting these.
:AS13950 route: 209.242.58.0/24 origin: AS13950 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mount Laurel, NJ 08054 remarks: Proxy for EDI customer mnt-by: MAINT-AS7922 changed: courtney_smith [at] cable.comcast.com 20190212 #23:00:28Z source: RADB last-modified: 2023-11-13T15:55:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.180.170.0/23 origin: AS13950 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mount Laurel, NJ 08054 remarks: Proxy for EDI customer mnt-by: MAINT-AS7922 changed: courtney_smith [at] cable.comcast.com 20190129 #16:24:14Z source: RADB last-modified: 2023-11-13T15:55:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source