These entries are queried from radb.net using whois, you can try my project getting these.
:AS33728 route: 192.136.160.0/20 origin: AS33728 mnt-by: MNT-UNITEL-4 descr: Unitel, Inc. 5 Main St PO Box 165 Unity ME 04988-0165 United States + Unitel network primary subnet tech-c: IPADM518-ARIN tech-c: TROUT36-ARIN admin-c: IPADM518-ARIN source: ARIN created: 2020-07-09T23:30:53Z last-modified: 2020-07-09T23:30:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.136.160.0/20 descr: Unitel primary subnet origin: AS33728 admin-c: IP Admin tech-c: Jim Troutman mnt-by: MAINT-AS33728 changed: jtroutman [at] unitel.me 20180913 #08:21:04Z source: RADB last-modified: 2023-11-13T15:54:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.136.160.0/24 descr: Unitel origin: AS33728 mnt-by: MAINT-AS33728 changed: jtroutman [at] unitel.me 20180913 #08:14:58Z source: RADB last-modified: 2023-11-13T15:54:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.136.161.0/24 descr: Unitel origin: AS33728 mnt-by: MAINT-AS33728 changed: jtroutman [at] unitel.me 20180913 #08:12:54Z source: RADB last-modified: 2023-11-13T15:54:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.136.162.0/24 descr: Unitel origin: AS33728 mnt-by: MAINT-AS33728 changed: jtroutman [at] unitel.me 20180913 #08:15:32Z source: RADB last-modified: 2023-11-13T15:54:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.136.163.0/24 descr: Unitel origin: AS33728 mnt-by: MAINT-AS33728 changed: jtroutman [at] unitel.me 20180913 #08:13:16Z source: RADB last-modified: 2023-11-13T15:54:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.136.164.0/24 descr: Unitel origin: AS33728 mnt-by: MAINT-AS33728 changed: jtroutman [at] unitel.me 20180913 #08:13:39Z source: RADB last-modified: 2023-11-13T15:54:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.136.165.0/24 descr: Unitel origin: AS33728 mnt-by: MAINT-AS33728 changed: jtroutman [at] unitel.me 20180913 #08:13:56Z source: RADB last-modified: 2023-11-13T15:54:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.136.166.0/24 descr: Unitel origin: AS33728 mnt-by: MAINT-AS33728 changed: jtroutman [at] unitel.me 20180913 #08:19:17Z source: RADB last-modified: 2023-11-13T15:54:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.136.167.0/24 descr: Unitel origin: AS33728 mnt-by: MAINT-AS33728 changed: jtroutman [at] unitel.me 20180913 #08:16:52Z source: RADB last-modified: 2023-11-13T15:54:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.136.168.0/24 descr: Unitel origin: AS33728 mnt-by: MAINT-AS33728 changed: jtroutman [at] unitel.me 20180913 #08:19:42Z source: RADB last-modified: 2023-11-13T15:54:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.136.169.0/24 descr: Unitel origin: AS33728 mnt-by: MAINT-AS33728 changed: jtroutman [at] unitel.me 20180913 #08:32:18Z source: RADB last-modified: 2023-11-13T15:54:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.136.170.0/24 descr: Unitel origin: AS33728 mnt-by: MAINT-AS33728 changed: jtroutman [at] unitel.me 20180913 #08:14:11Z source: RADB last-modified: 2023-11-13T15:54:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.136.171.0/24 descr: Unitel origin: AS33728 mnt-by: MAINT-AS33728 changed: jtroutman [at] unitel.me 20180913 #08:14:28Z source: RADB last-modified: 2023-11-13T15:54:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.136.172.0/24 descr: Unitel origin: AS33728 mnt-by: MAINT-AS33728 changed: jtroutman [at] unitel.me 20180913 #08:18:35Z source: RADB last-modified: 2023-11-13T15:54:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.136.173.0/24 descr: Unitel origin: AS33728 mnt-by: MAINT-AS33728 changed: jtroutman [at] unitel.me 20180913 #08:22:02Z source: RADB last-modified: 2023-11-13T15:54:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.136.174.0/24 descr: Unitel origin: AS33728 mnt-by: MAINT-AS33728 changed: jtroutman [at] unitel.me 20180913 #08:22:33Z source: RADB last-modified: 2023-11-13T15:54:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.136.175.0/24 descr: Unitel origin: AS33728 mnt-by: MAINT-AS33728 changed: jtroutman [at] unitel.me 20180913 #08:23:12Z source: RADB last-modified: 2023-11-13T15:54:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.85.224.0/19 origin: AS33728 descr: Route Registered for Cogent Communications Customer - UniTel geoidx: US mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20210212 #16:43:14Z source: RADB last-modified: 2023-11-13T16:03:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source