These entries are queried from radb.net using whois, you can try my project getting these.
:AS35855 route: 198.147.206.0/23 descr: Comcast cable Communications, Inc. 1800 Bishops Gate Blvd Mt laurel, NJ 08054 Proxy object for customer UCCU origin: AS35855 remarks: Proxy object for customer UCCU mnt-by: MAINT-AS7922 changed: stuart_nickerson [at] cable.comcast.com 20130805 #20:31:52Z 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: 198.147.206.0/24 origin: AS35855 descr: Proxy Route Object for Flexential Customer mnt-by: MAINT-FLEXENTIAL changed: routing [at] viawest.net 20220121 #16:52:14Z source: RADB last-modified: 2023-11-13T16:09:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.147.207.0/24 origin: AS35855 descr: Proxy Route Object for FirstDigital Customer mnt-by: MAINT-AS13415 changed: tyrel.torgerson [at] veracitynetworks.com 20230503 #23:53:04Z source: RADB last-modified: 2023-11-13T16:17:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 207.108.53.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS35855 remarks: Proxy add for EDIA customer UCCU mnt-by: MAINT-AS7922 changed: adam_berg [at] cable.comcast.com 20140124 #20:52:42Z source: RADB last-modified: 2023-11-13T15:54:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source