These entries are queried from radb.net using whois, you can try my project getting these.
:AS398898 route: 23.140.120.0/24 origin: AS398898 descr: DEVRY GREENHOUSES LTD remarks: Proxy route entry added on behalf of DEVRY GREENHOUSES LTD mnt-by: MAINT-AS852 changed: jimmy.kim [at] telus.com 20240229 # 1800Z source: RADB last-modified: 2024-02-29T18:00:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 23.140.120.0/24 origin: AS398898 descr: Rapidzone admin-c: RZIT-ARIN tech-c: RZIT-ARIN mnt-by: MNT-RAPID-90 created: 2022-08-28T23:13:53Z last-modified: 2022-10-18T03:49:11Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 23.168.16.0/24 origin: AS398898 descr: DeVry Greenhouses admin-c: JJVO-ARIN tech-c: DTP12-ARIN mnt-by: MNT-DGL-85 created: 2020-11-25T06:37:24Z last-modified: 2021-03-30T04:20:25Z source: ARIN rpki-ov-state: valid route: 23.168.16.0/24 origin: AS398898 descr: DeVry Greenhouses remarks: This route object was created on behalf of a Tech Futures customer. remarks: This route object has been created to ensure reachability as remarks: some of Tech Futures's upstreams filter based on IRR objects. mnt-by: MAINT-AS394256 changed: noc [at] cloudsingularity.net 20201124 #04:11:54Z source: RADB last-modified: 2023-11-13T16:03:01Z rpki-ov-state: valid route6: 2602:808:1000::/40 origin: AS398898 descr: DeVry Greenhouses remarks: This route object was created on behalf of a Tech Futures customer. remarks: This route object has been created to ensure reachability as remarks: some of Tech Futures's upstreams filter based on IRR objects. mnt-by: MAINT-AS394256 changed: noc [at] cloudsingularity.net 20201124 #04:12:17Z source: RADB last-modified: 2023-11-13T16:03:01Z rpki-ov-state: valid route6: 2602:808:1000::/40 origin: AS398898 descr: DeVry Greenhouses admin-c: JJVO-ARIN tech-c: DTP12-ARIN mnt-by: MNT-DGL-85 created: 2020-11-27T04:46:28Z last-modified: 2021-03-30T04:20:25Z source: ARIN rpki-ov-state: valid route6: 2602:fbe7::/40 origin: AS398898 descr: Cedar Creek admin-c: CCN11-ARIN tech-c: CCN11-ARIN mnt-by: MNT-VOJN created: 2022-01-08T21:08:55Z last-modified: 2022-01-08T21:08:55Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:ae:2000::/48 origin: AS398898 descr: Rapidzone admin-c: RZIT-ARIN tech-c: RZIT-ARIN mnt-by: MNT-RAPID-90 created: 2022-08-28T23:14:30Z last-modified: 2022-10-18T03:49:11Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:ae:2000::/48 origin: AS398898 descr: DEVRY GREENHOUSES LTD remarks: Proxy route entry added on behalf of DEVRY GREENHOUSES LTD mnt-by: MAINT-AS852 changed: jimmy.kim [at] telus.com 20240229 # 1802Z source: RADB last-modified: 2024-02-29T18:02:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source