These entries are queried from radb.net using whois, you can try my project getting these.
:AS63472 route: 208.89.32.0/22 descr: EINETWORK descr: 4400 Forbes ave descr: Pittsburgh PA, 15213 descr: US origin: AS63472 mnt-by: MNT-EIN-2 changed: michalskim [at] einetwork.net 20150423 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.89.32.0/22 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS63472 remarks: Proxy add for EDIA customer EINetwork mnt-by: MAINT-AS7922 changed: chris_darcy [at] comcast.com 20190408 source: RADB last-modified: 2023-11-13T15:55:47Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source