These entries are queried from radb.net using whois, you can try my project getting these.
:AS395868 route: 161.51.248.0/24 descr: Fort Bend Independent School District origin: AS395868 mnt-by: MAINT-AS27506 changed: Daniel.McCoon [at] crowncastle.com 20230918 source: RADB last-modified: 2023-11-13T16:18:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 161.51.250.0/24 origin: AS395868 descr: Created by CCI on behalf of FORT BEND ISD mnt-by: MAINT-CCI changed: xing.lor [at] consolidated.com 20231101 #12:38:25Z source: RADB last-modified: 2023-11-13T16:19:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 168.69.253.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS395868 remarks: Proxy add for customer Fort Bend Independent School District USA mnt-by: MAINT-AS7922 changed: chris_johnson8 [at] cable.comcast.com 20170414 source: RADB last-modified: 2023-11-13T15:54:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.34.56.0/24 origin: AS395868 descr: Fort Bend ISD mnt-by: MAINT-CCI changed: brent.kovar [at] consolidated.com 20220119 #14:18:30Z source: RADB last-modified: 2023-11-13T16:09:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source