These entries are queried from radb.net using whois, you can try my project getting these.
:AS13660 route: 199.253.128.0/21 origin: AS13660 descr: Noridian Mutual Insurance Company primary IPv4 address space holes: 199.253.129.0/25 holes: 199.253.129.128/26 holes: 199.253.129.192/27 holes: 199.253.131.0/24 holes: 199.253.133.0/25 holes: 199.253.133.128/26 holes: 199.253.133.192/27 holes: 199.253.133.224/28 holes: 199.253.132.0/25 holes: 199.253.132.128/26 holes: 199.253.132.192/27 holes: 199.253.132.224/28 member-of: RS-NMIC mnt-by: MAINT-AS13660 changed: jay.pilch [at] bcbsnd.com 20230308 #21:38:06Z source: RADB last-modified: 2023-11-13T16:15:23Z rpki-ov-state: valid route6: 2620:42:4000::/48 descr: Noridian Mutual Insurance Company primary IPv6 address space origin: AS13660 member-of: RS-NMIC mnt-by: MAINT-AS13660 changed: justin.croonenberghs [at] noridian.com 20140506 #15:59:33Z source: RADB last-modified: 2023-11-13T15:46:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source