These entries are queried from radb.net using whois, you can try my project getting these.
:AS267 route: 23.138.112.0/22 origin: AS267 descr: Ann Arbor MI 48103 United States remarks: Geofeed https://www.washftth.com/geofeed.csv admin-c: JM568-ARIN tech-c: JM568-ARIN mnt-by: MNT-WFPL-1 created: 2023-04-07T22:33:47Z last-modified: 2023-08-07T16:10:35Z source: ARIN rpki-ov-state: valid route: 23.138.112.0/23 origin: AS267 descr: Ann Arbor MI 48103 United States remarks: Geofeed https://www.washftth.com/geofeed.csv admin-c: JM568-ARIN tech-c: JM568-ARIN mnt-by: MNT-WFPL-1 created: 2021-11-02T16:31:05Z last-modified: 2023-08-07T16:10:35Z source: ARIN rpki-ov-state: valid route: 23.138.112.0/24 descr: ADDED FOR - AS267 origin: AS267 notify: noc [at] 123.net mnt-by: I123-MNT changed: rpd [at] 123.net 20191226 source: LEVEL3 rpki-ov-state: valid route: 23.138.112.0/24 origin: AS267 descr: Ann Arbor MI 48103 United States remarks: Geofeed https://www.washftth.com/geofeed.csv admin-c: JM568-ARIN tech-c: JM568-ARIN mnt-by: MNT-WFPL-1 created: 2020-08-31T20:02:19Z last-modified: 2023-08-07T16:10:35Z source: ARIN rpki-ov-state: valid route: 23.138.113.0/24 origin: AS267 descr: Ann Arbor MI 48103 United States remarks: Geofeed https://www.washftth.com/geofeed.csv admin-c: JM568-ARIN tech-c: JM568-ARIN mnt-by: MNT-WFPL-1 created: 2023-04-07T22:53:25Z last-modified: 2023-08-07T16:10:35Z source: ARIN rpki-ov-state: valid route: 23.138.114.0/24 descr: Ann Arbor proxy object origin: AS267 notify: ce-ipadmin [at] us.ntt.net mnt-by: MAINT-NTTCOM-BB changed: celliott [at] gin.ntt.net 20240213 source: NTTCOM last-modified: 2024-02-13T15:25:11Z rpki-ov-state: valid route: 192.131.22.0/24 origin: AS267 descr: Ann Arbor MI 48103 United States admin-c: JM568-ARIN tech-c: JM568-ARIN mnt-by: MNT-NETHER-2 created: 2024-02-28T13:52:49Z last-modified: 2024-02-28T13:52:49Z source: ARIN rpki-ov-state: valid route: 203.10.78.0/24 descr: Matthew Nichols origin: AS267 notify: mgnichols [at] gmail.com mnt-by: MAINT-NETHER changed: jared [at] puck.nether.net 20150414 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.10.78.0/24 descr: ADDED FOR - AS267 origin: AS267 notify: noc [at] 123.net mnt-by: I123-MNT changed: rpd [at] 123.net 20191230 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.42.252.0/22 descr: Nether Networks origin: AS267 notify: noc [at] nether.net mnt-by: MAINT-NETHER changed: jared [at] puck.nether.net 20010726 source: NTTCOM rpki-ov-state: valid route6: 2602:55::/36 descr: ADDED FOR - AS267 origin: AS267 mnt-by: I123-MNT changed: rpd [at] 123.net 20210513 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2602:fe55::/36 origin: AS267 descr: Ann Arbor MI 48103 United States remarks: Geofeed https://www.washftth.com/geofeed.csv admin-c: JM568-ARIN tech-c: JM568-ARIN mnt-by: MNT-WFPL-1 created: 2020-08-31T20:05:18Z last-modified: 2023-08-07T16:10:35Z source: ARIN rpki-ov-state: valid route6: 2602:fe55::/36 descr: washftth.com origin: AS267 mnt-by: MAINT-NETHER changed: jared [at] puck.nether.net 20180710 source: NTTCOM rpki-ov-state: valid