These entries are queried from radb.net using whois, you can try my project getting these.
:AS4224 route: 162.247.72.0/24 descr: The Calyx Institute 254 36th Street Suite B642 Brooklyn, NY 11232 USA origin: AS4224 notify: hostmaster [at] calyxinstitute.org mnt-by: MNT-THECA-92 changed: hostmaster [at] calyxinstitute.org 20181105 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 162.247.73.0/24 descr: The Calyx Institute 254 36th Street Suite B642 Brooklyn, NY 11232 USA origin: AS4224 notify: hostmaster [at] calyxinstitute.org mnt-by: MNT-THECA-92 changed: hostmaster [at] calyxinstitute.org 20181105 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 162.247.74.0/24 descr: The Calyx Institute 254 36th Street Suite B642 Brooklyn, NY 11232 USA origin: AS4224 notify: hostmaster [at] calyxinstitute.org mnt-by: MNT-THECA-92 changed: hostmaster [at] calyxinstitute.org 20181105 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 185.220.103.0/24 origin: AS4224 mnt-by: de-zwf-1-mnt mnt-by: ZWIEBELFREUNDE created: 2019-04-09T19:11:21Z last-modified: 2019-04-09T19:11:21Z source: RIPE 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: valid route6: 2602:fef9:100::/48 origin: AS4224 descr: The Calyx Institute 254 36th Street Suite C660 Brooklyn NY 11232 United States admin-c: NM60-ARIN tech-c: NM60-ARIN mnt-by: MNT-THECA-92 created: 2022-03-29T20:12:34Z last-modified: 2022-03-29T20:12:34Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source