These entries are queried from radb.net using whois, you can try my project getting these.
:AS53535 route: 199.180.180.0/23 origin: AS53535 descr: American Registry for Internet Numbers PO Box 232290 Centreville VA 20120 United States remarks: Anycast for Service Network admin-c: KOSTE6-ARIN tech-c: FORST20-ARIN tech-c: JEFFE114-ARIN tech-c: MJO282-ARIN tech-c: TOSCA5-ARIN mnt-by: MNT-ARINOPS created: 2020-06-11T19:38:47Z last-modified: 2023-04-25T14:10:36Z source: ARIN rpki-ov-state: valid route: 199.180.182.0/24 origin: AS53535 descr: American Registry for Internet Numbers PO Box 232290 Centreville VA 20120 United States admin-c: KOSTE6-ARIN tech-c: FORST20-ARIN tech-c: JEFFE114-ARIN tech-c: MJO282-ARIN tech-c: TOSCA5-ARIN mnt-by: MNT-ARINOPS created: 2020-06-11T19:41:23Z last-modified: 2023-04-25T14:10:36Z source: ARIN rpki-ov-state: valid route: 199.253.249.0/24 origin: AS53535 descr: American Registry for Internet Numbers ARIN Canada Network admin-c: KOSTE6-ARIN tech-c: FORST20-ARIN tech-c: JEFFE114-ARIN tech-c: MJO282-ARIN tech-c: TOSCA5-ARIN mnt-by: MNT-ARINOPS created: 2020-06-11T19:36:40Z last-modified: 2023-04-25T14:10:36Z source: ARIN rpki-ov-state: valid route6: 2001:500:98::/48 origin: AS53535 descr: American Registry for Internet Numbers ARIN Canada Network admin-c: KOSTE6-ARIN tech-c: FORST20-ARIN tech-c: JEFFE114-ARIN tech-c: MJO282-ARIN tech-c: TOSCA5-ARIN mnt-by: MNT-ARINOPS created: 2020-06-11T19:50:55Z last-modified: 2023-04-25T14:10:36Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:500:f0::/48 origin: AS53535 descr: American Registry for Internet Numbers PO Box 232290 Centreville VA 20120 United States admin-c: KOSTE6-ARIN tech-c: FORST20-ARIN tech-c: JEFFE114-ARIN tech-c: MJO282-ARIN tech-c: TOSCA5-ARIN mnt-by: MNT-ARINOPS created: 2020-06-11T19:43:47Z last-modified: 2023-04-25T14:10:36Z source: ARIN rpki-ov-state: valid route6: 2620:37:e000::/48 origin: AS53535 descr: American Registry for Internet Numbers PO Box 232290 Centreville VA 20120 United States admin-c: KOSTE6-ARIN tech-c: FORST20-ARIN tech-c: JEFFE114-ARIN tech-c: MJO282-ARIN tech-c: TOSCA5-ARIN mnt-by: MNT-ARINOPS created: 2020-06-11T19:49:20Z last-modified: 2023-04-25T14:10:36Z source: ARIN rpki-ov-state: valid route6: 2620:38:2000::/48 origin: AS53535 descr: PO Box 232290 Centreville VA 20120 United States admin-c: KOSTE6-ARIN tech-c: FORST20-ARIN tech-c: JEFFE114-ARIN tech-c: MJO282-ARIN tech-c: TOSCA5-ARIN mnt-by: MNT-ARINOPS created: 2020-12-18T19:28:33Z last-modified: 2023-04-25T14:10:36Z source: ARIN rpki-ov-state: valid