These entries are queried from radb.net using whois, you can try my project getting these.
:AS27292 route: 50.222.178.0/24 origin: AS27292 descr: Proxy route for customer / ResMed Corp mnt-by: MAINT-AS35985 changed: iprouting [at] oneringnetworks.com 20210609 #16:32:48Z source: RADB last-modified: 2023-11-13T16:05:48Z rpki-ov-state: valid route: 66.6.176.0/20 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS27292 remarks: Proxy add for EDIA customer FastBlue Communications, INC. mnt-by: MAINT-AS7922 changed: adriana_pardoquntero [at] cable.comcast.com 20210625 source: RADB last-modified: 2023-11-13T16:07:13Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.6.191.0/24 origin: AS27292 descr: Iron Mountain Data Centers, LLC One Federal Street Boston, MA 02111 United States admin-c: IMDC-Network Operations tech-c: IMDC-Network Operations notify: imdcnetops [at] ironmountain.com mnt-by: MAINT-AS12025 remarks: Proxy registered by IMDC for customer changed: andrew.shappell [at] ironmountain.com 20211029 source: RADB last-modified: 2023-11-13T16:08:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.47.244.0/22 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS27292 remarks: Proxy add for EDIA customer FastBlue Communications, INC. mnt-by: MAINT-AS7922 changed: adriana_pardoquntero [at] cable.comcast.com 20210625 source: RADB last-modified: 2023-11-13T16:07:13Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.47.247.0/24 origin: AS27292 descr: Iron Mountain Data Centers, LLC One Federal Street Boston, MA 02111 United States admin-c: IMDC-Network Operations tech-c: IMDC-Network Operations notify: imdcnetops [at] ironmountain.com mnt-by: MAINT-AS12025 remarks: Proxy registered by IMDC for customer changed: andrew.shappell [at] ironmountain.com 20211029 source: RADB last-modified: 2023-11-13T16:08:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.25.193.0/24 descr: Customer Route Object - ResMed origin: AS27292 mnt-by: MAINT-ADN-WEST changed: routing [at] americanis.net 20121023 #16:53:52Z source: RADB last-modified: 2023-11-13T15:44:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source