These entries are queried from radb.net using whois, you can try my project getting these.
:AS20167 route: 63.99.164.0/22 descr: PNAP-HOU 281com-routes origin: AS20167 mnt-by: MAINT-AS1828 changed: mbuschmann [at] internap.com 20050426 source: RADB last-modified: 2023-11-13T16:13:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 173.46.208.0/20 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS20167 remarks: Proxy Route Add for Comcast Customer mnt-by: MAINT-AS7922 changed: dave_hill [at] cable.comcast.com 20111007 #16:33:14Z 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: 173.46.212.0/24 descr: Zito Networks origin: AS20167 mnt-by: MAINT-AS26801 changed: skyler.blumer [at] zitomedia.com 20220325 source: RADB last-modified: 2023-11-13T16:10:13Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.31.7.0/24 descr: PNAP-HOU 281com origin: AS20167 mnt-by: MAINT-AS1828 changed: apryor [at] internap.com 20041112 source: RADB last-modified: 2023-11-13T16:13:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.77.234.0/23 descr: PNAP-HOU 281com origin: AS20167 mnt-by: MAINT-AS1828 changed: apryor [at] internap.com 20041112 source: RADB last-modified: 2023-11-13T16:13:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.84.39.0/24 descr: PNAP-HOU 281com origin: AS20167 mnt-by: MAINT-AS1828 changed: apryor [at] internap.com 20041112 source: RADB last-modified: 2023-11-13T16:13:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.202.202.0/23 descr: PNAP-HOU 281com origin: AS20167 mnt-by: MAINT-AS1828 changed: apryor [at] internap.com 20041112 source: RADB last-modified: 2023-11-13T16:13:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:0:5040::/48 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS20167 remarks: Proxy Route Add for Comcast Customer mnt-by: MAINT-AS7922 changed: dave_hill [at] cable.comcast.com 20111007 #16:36:27Z source: RADB last-modified: 2023-11-13T15:54:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source