These entries are queried from radb.net using whois, you can try my project getting these.
:AS54543 route: 155.195.0.0/16 origin: AS54543 mnt-by: us-haxxrgames-1-mnt created: 2017-08-03T17:54:08Z last-modified: 2018-09-04T18:53:47Z source: RIPE-NONAUTH remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 162.218.156.0/22 origin: AS54543 descr: Iron Mountain Data Centers, LLC One Federal Street Boston, MA 02111 United States ---Customer Proxy Object for upstream filter list--- admin-c: IMDC-Network Operations tech-c: IMDC-Network Operations notify: imdcnetops [at] ironmountain.com mnt-by: MAINT-AS12025 changed: ammon.guernsey [at] ironmountain.com 20211102 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: 162.250.176.0/22 origin: AS54543 descr: Iron Mountain Data Centers, LLC One Federal Street Boston, MA 02111 United States ---Customer Proxy Object for upstream filter list--- admin-c: IMDC-Network Operations tech-c: IMDC-Network Operations notify: imdcnetops [at] ironmountain.com mnt-by: MAINT-AS12025 changed: ammon.guernsey [at] ironmountain.com 20211102 source: RADB last-modified: 2023-11-13T16:08:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source