These entries are queried from radb.net using whois, you can try my project getting these.
:AS20300 route: 136.143.204.0/22 origin: AS20300 descr: 337 Aetna St PO Box C Ruthton, MN 56170 Ruthton MN 56170 United States admin-c: PTS7-ARIN tech-c: BASBA4-ARIN tech-c: MJH49-ARIN tech-c: NRB2-ARIN tech-c: PTS7-ARIN mnt-by: MNT-WT-1 created: 2023-08-09T13:19:09Z last-modified: 2024-04-16T20:52:05Z source: ARIN rpki-ov-state: valid route: 136.143.204.0/22 descr: SDNET on behalf of Woodstock Telephone origin: AS20300 mnt-by: MAINT-AS13576 changed: chris.schuette [at] sdncommunications.com 20180730 #20:01:54Z source: RADB last-modified: 2023-11-13T15:54:23Z rpki-ov-state: valid route: 147.185.144.0/22 origin: AS20300 descr: 337 Aetna St PO Box C Ruthton, MN 56170 Ruthton MN 56170 United States admin-c: PTS7-ARIN tech-c: BASBA4-ARIN tech-c: MJH49-ARIN tech-c: NRB2-ARIN tech-c: PTS7-ARIN mnt-by: MNT-WT-1 created: 2023-08-09T14:37:03Z last-modified: 2024-04-16T20:52:05Z source: ARIN rpki-ov-state: valid route: 162.142.96.0/22 origin: AS20300 descr: 337 Aetna St PO Box C Ruthton, MN 56170 Ruthton MN 56170 United States admin-c: PTS7-ARIN tech-c: BASBA4-ARIN tech-c: MJH49-ARIN tech-c: NRB2-ARIN tech-c: PTS7-ARIN mnt-by: MNT-WT-1 created: 2023-11-30T17:32:03Z last-modified: 2024-04-16T20:52:05Z source: ARIN rpki-ov-state: valid route: 162.142.96.0/22 origin: AS20300 descr: SDNET on behalf of Woodstock Telephone mnt-by: MAINT-AS13576 changed: dave.halter [at] sdncommunications.com 20200302 #17:12:43Z source: RADB last-modified: 2023-11-13T16:00:02Z rpki-ov-state: valid route: 192.152.214.0/24 descr: SDNET on behalf of Woodstock Telephone origin: AS20300 mnt-by: MAINT-AS13576 changed: chris.schuette [at] sdncommunications.com 20150630 #16:00:21Z source: RADB last-modified: 2023-11-13T15:47:49Z rpki-ov-state: valid route: 192.152.214.0/24 origin: AS20300 descr: 337 Aetna St PO Box C Ruthton, MN 56170 Ruthton MN 56170 United States admin-c: PTS7-ARIN tech-c: BASBA4-ARIN tech-c: MJH49-ARIN tech-c: NRB2-ARIN tech-c: PTS7-ARIN mnt-by: MNT-WT-1 created: 2023-11-30T17:35:58Z last-modified: 2024-04-16T20:52:05Z source: ARIN rpki-ov-state: valid route: 207.66.124.0/22 origin: AS20300 descr: 337 Aetna St PO Box C Ruthton MN 56170 United States admin-c: PTS7-ARIN tech-c: BASBA4-ARIN tech-c: MJH49-ARIN tech-c: NRB2-ARIN tech-c: PTS7-ARIN mnt-by: MNT-WT-1 created: 2023-11-30T17:36:39Z last-modified: 2024-04-16T20:52:05Z source: ARIN rpki-ov-state: valid route: 207.66.124.0/22 origin: AS20300 descr: SDN Communications on behalf of Woodstock Telephone notify: peering [at] sdncommunications.com mnt-by: MAINT-AS13576 changed: dave.halter [at] sdncommunications.com 20210325 #22:27:37Z source: RADB last-modified: 2023-11-13T16:05:26Z rpki-ov-state: valid route: 208.83.184.0/21 descr: Frontier Communications (ARIN OrgID: FRTR) origin: AS20300 remarks: remarks: -- Operational Contacts -- remarks: Abuse / UCE: abuse [at] support.ftr.com remarks: NOC / Maint: support [at] support.ftr.com remarks: BGP Routing: bgp [at] support.ftr.com remarks: remarks: Proxy-registered route object remarks: for Frontier BGP customer remarks: mnt-by: MAINT-AS5650 changed: gregory.abbott [at] frontiercorp.com 20110518 source: RADB last-modified: 2024-02-15T15:38:56Z rpki-ov-state: valid route: 208.83.184.0/21 origin: AS20300 descr: 337 Aetna St PO Box C Ruthton MN 56170 United States admin-c: PTS7-ARIN tech-c: BASBA4-ARIN tech-c: MJH49-ARIN tech-c: NRB2-ARIN tech-c: PTS7-ARIN mnt-by: MNT-WT-1 created: 2023-11-30T17:37:08Z last-modified: 2024-04-16T20:52:05Z source: ARIN rpki-ov-state: valid