These entries are queried from radb.net using whois, you can try my project getting these.
:AS6099 route: 198.200.160.0/24 descr: Berkeley USD origin: AS6099 admin-c: Danny Tjoe tech-c: Chris Jentile notify: noc [at] acoe.org mnt-by: MAINT-AS6099 changed: noc [at] alameda-coe.k12.ca.us 20120627 #18:54:38Z source: RADB last-modified: 2023-11-13T15:43:21Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.88.192.0/19 descr: Hayward USD origin: AS6099 admin-c: Danny Tjoe tech-c: Chris Jentile notify: noc [at] acoe.org mnt-by: MAINT-AS6099 changed: noc [at] alameda-coe.k12.ca.us 20120627 #18:55:27Z source: RADB last-modified: 2023-11-13T15:43:21Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.110.0.0/16 descr: Alameda County Office of Education BLK1 origin: AS6099 admin-c: Danny Tjoe tech-c: Chris Jentile notify: noc [at] acoe.org mnt-by: MAINT-AS6099 changed: noc [at] alameda-coe.k12.ca.us 20120627 #18:56:34Z source: RADB last-modified: 2023-11-13T15:43:21Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.209.192.0/20 descr: Berkeley USD origin: AS6099 admin-c: Danny Tjoe tech-c: Chris Jentile notify: noc [at] acoe.org mnt-by: MAINT-AS6099 changed: noc [at] alameda-coe.k12.ca.us 20120627 #18:57:34Z source: RADB last-modified: 2023-11-13T15:43:21Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.210.224.0/19 descr: New Haven USD origin: AS6099 admin-c: Danny Tjoe tech-c: Chris Jentile notify: noc [at] acoe.org mnt-by: MAINT-AS6099 changed: noc [at] alameda-coe.k12.ca.us 20120627 #18:58:19Z source: RADB last-modified: 2023-11-13T15:43:21Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 207.163.0.0/16 descr: Alameda County Office of Education BLK2 origin: AS6099 admin-c: Danny Tjoe tech-c: Chris Jentile notify: noc [at] acoe.org mnt-by: MAINT-AS6099 changed: noc [at] alameda-coe.k12.ca.us 20120627 #18:59:17Z source: RADB last-modified: 2023-11-13T15:43:21Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.132.128.0/19 descr: Alameda County Office of Education BLK3 origin: AS6099 admin-c: Danny Tjoe tech-c: Chris Jentile notify: noc [at] acoe.org mnt-by: MAINT-AS6099 changed: noc [at] alameda-coe.k12.ca.us 20120627 #18:59:57Z source: RADB last-modified: 2023-11-13T15:43:21Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2605:9e80::/32 descr: Alameda County Office of Education IPv6 origin: AS6099 admin-c: Danny Tjoe tech-c: Chris Jentile notify: noc [at] acoe.org mnt-by: MAINT-AS6099 changed: noc [at] alameda-coe.k12.ca.us 20140815 #23:30:17Z source: RADB last-modified: 2023-11-13T15:46:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source