These entries are queried from radb.net using whois, you can try my project getting these.
:AS54878 route: 136.175.63.0/24 origin: AS54878 descr: BetterBanks/BacklundInvestment remarks: Proxy object created by Stratus Networks mnt-by: MAINT-AS40948 changed: brussell [at] stratusnet.com 20201005 #16:58:39Z source: RADB last-modified: 2023-11-13T16:01:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 173.249.70.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS54878 remarks: Proxy Route Add for Comcast Customer mnt-by: MAINT-AS7922 changed: dave_hill [at] cable.comcast.com 20130131 #17:46:37Z source: RADB last-modified: 2023-11-13T15:54:10Z rpki-ov-state: valid