These entries are queried from radb.net using whois, you can try my project getting these.
:AS54429 route: 23.146.168.0/24 origin: AS54429 descr: Organization: Local Connectivity Lab, 501(c)(3) educational and technology research nonprofit focused on supporting underserved communities with Internet access. 3800 E Stevens Way NE, Rm 384 Seattle, WA 98195 admin-c: EHBJ-ARIN tech-c: EHBJ-ARIN tech-c: THEIS62-ARIN mnt-by: MNT-LCL-248 created: 2023-01-25T17:53:23Z last-modified: 2023-01-26T20:06:27Z source: ARIN rpki-ov-state: valid route6: 2602:fd94::/36 descr: Local Connectivity Lab descr: 3800 E Stevens Way NE, Rm. 384 descr: Seattle, WA 98195 descr: US origin: AS54429 notify: jang.esther [at] gmail.com mnt-by: MNT-LCL-248 changed: jang.esther [at] gmail.com 20200325 source: ARIN rpki-ov-state: valid