These entries are queried from radb.net using whois, you can try my project getting these.
:AS20273 route: 67.208.48.0/22 origin: AS20273 descr: OrgName: WCCTA OrgId: WCTA-8 Address: 1106 Beek Street City: Gowrie StateProv: IA PostalCode: 50543 Country: US RegDate: 2015-10-02 Updated: 2020-05-05 Comment: http://www.wccta.com/ Ref: https://rdap.arin.net/registry/entity/WCTA-8 mnt-by: MAINT-AS5056 changed: packetnetworking [at] aureon.com 20200521 #20:47:40Z source: RADB last-modified: 2023-11-13T16:00:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 67.208.48.0/22 descr: Webster-Calhoun Cooperative Telephone Association descr: 1106 Beek St descr: Gowrie, IA 50543 descr: US origin: AS20273 mnt-by: MNT-WCTA-8 changed: andy.egland [at] vantagepnt.com 20200526 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 67.208.48.0/24 origin: AS20273 descr: 1106 Beek Street Gowrie IA 50543 United States admin-c: ANDER2239-ARIN tech-c: LOSEK2-ARIN tech-c: VNC2-ARIN mnt-by: MNT-WCTA-8 created: 2022-05-23T16:04:14Z last-modified: 2022-05-23T16:04:14Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 72.18.68.0/22 origin: AS20273 descr: OrgName: Platinum Connect LLC OrgId: PCL-356 Address: 339 1st Ave NE Address: PO Box 200 City: Sioux Center StateProv: IA PostalCode: 51250 Country: US mnt-by: MAINT-AS5056 changed: will.hughes [at] aureon.com 20211115 #15:10:15Z source: RADB last-modified: 2023-11-13T16:08:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 128.254.244.0/22 origin: AS20273 descr: Webster-Calhoun Cooperative Telephone Association admin-c: ANDER2239-ARIN tech-c: LOSEK2-ARIN tech-c: VNC2-ARIN mnt-by: MNT-WCTA-8 created: 2022-10-03T20:24:34Z last-modified: 2022-10-03T20:24:34Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.168.64.0/22 origin: AS20273 descr: 339 1st Ave NE PO Box 200 Sioux Center IA 51250 United States admin-c: PCNOC-ARIN tech-c: JLG93-ARIN tech-c: PCNOC-ARIN tech-c: SCHAE261-ARIN mnt-by: MNT-PCL-356 created: 2023-06-14T16:57:57Z last-modified: 2023-12-28T14:56:03Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.168.64.0/24 origin: AS20273 descr: 339 1st Ave NE PO Box 200 Sioux Center IA 51250 United States admin-c: PCNOC-ARIN tech-c: JLG93-ARIN tech-c: PCNOC-ARIN tech-c: SCHAE261-ARIN mnt-by: MNT-PCL-356 created: 2023-06-14T16:12:31Z last-modified: 2023-12-28T14:56:03Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.168.65.0/24 origin: AS20273 descr: 339 1st Ave NE PO Box 200 Sioux Center IA 51250 United States admin-c: PCNOC-ARIN tech-c: JLG93-ARIN tech-c: PCNOC-ARIN tech-c: SCHAE261-ARIN mnt-by: MNT-PCL-356 created: 2023-06-14T16:11:03Z last-modified: 2023-12-28T14:56:03Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source