These entries are queried from radb.net using whois, you can try my project getting these.
:AS54682 route: 74.8.209.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS54682 remarks: Proxy for EDI customer Citadel mnt-by: MAINT-AS7922 changed: courtney_smith [at] nospamhere.cable.comcast.com 20150408 source: RADB last-modified: 2023-11-13T15:54:10Z rpki-ov-state: valid