These entries are queried from radb.net using whois, you can try my project getting these.
:AS21846 route: 64.209.144.0/20 descr: Region One ESC origin: AS21846 mnt-by: MAINT-AS16905 changed: byron.hicks [at] tx-learn.net 20170929 #20:37:14Z source: RADB last-modified: 2023-11-13T15:51:35Z rpki-ov-state: valid route: 64.209.144.0/21 origin: AS21846 descr: Downstream customer of Smartcom Telephone, LLC - Region One Education Service Center mnt-by: MAINT-AS14860 changed: admin [at] sc2000.net 20221004 #04:48:52Z source: RADB last-modified: 2023-11-13T16:12:32Z rpki-ov-state: valid route: 64.209.152.0/21 origin: AS21846 descr: Downstream customer of Smartcom Telephone, LLC - Region One Education Service Center - ORION mnt-by: MAINT-AS14860 changed: admin [at] sc2000.net 20220627 #22:03:17Z source: RADB last-modified: 2023-11-13T16:11:41Z rpki-ov-state: valid route: 170.124.2.0/23 origin: AS21846 descr: Downstream customer of Smartcom Telephone, LLC - Pharr-San Juan-Alamo ISD mnt-by: MAINT-AS14860 changed: admin [at] sc2000.net 20221004 #04:44:30Z source: RADB last-modified: 2023-11-13T16:12:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.33.17.0/24 origin: AS21846 descr: Mercedes ISD - downstream cust. of Smartcom Telephone, LLC mnt-by: MAINT-AS14860 changed: admin [at] sc2000.net 20230830 #21:41:06Z source: RADB last-modified: 2023-11-13T16:18:20Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.77.176.0/22 origin: AS21846 descr: San Benito Consolidated Independent School District - downstream cust. of Smartcom Telephone, LLC mnt-by: MAINT-AS14860 changed: admin [at] sc2000.net 20221004 #04:45:18Z source: RADB last-modified: 2023-11-13T16:12:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.96.22.0/24 origin: AS21846 descr: Downstream customer of Smartcom Telephone, LLC - MCALLEN ISD mnt-by: MAINT-AS14860 changed: admin [at] sc2000.net 20221218 #04:48:31Z source: RADB last-modified: 2023-11-13T16:13:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.13.159.0/24 origin: AS21846 descr: Downstream customer of Smartcom Telephone, LLC - Valley View ISD mnt-by: MAINT-AS14860 changed: admin [at] sc2000.net 20221004 #04:45:57Z source: RADB last-modified: 2023-11-13T16:12:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source