These entries are queried from radb.net using whois, you can try my project getting these.
:AS1970 route: 50.21.240.0/20 descr: Blinn-2 origin: AS1970 mnt-by: MAINT-TTVN changed: elaird [at] tamu.edu 20110419 source: RADB last-modified: 2023-11-13T15:41:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.71.80.0/20 descr: Texas A&M University Corpus Christi 6300 Ocean Drive Corpus Christi, TX 78412 origin: AS1970 mnt-by: MAINT-AS6922 changed: bhicks [at] ots.utsystem.edu 20100701 #18:57:38Z source: RADB last-modified: 2023-11-13T15:40:58Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.92.176.0/20 descr: Blinn College origin: AS1970 remarks: Blinn-64 mnt-by: MAINT-TTVN changed: elaird [at] net.tamu.edu 20050622 source: RADB last-modified: 2023-11-13T15:39:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.171.208.0/20 descr: WTAM-New origin: AS1970 mnt-by: MAINT-TTVN changed: elaird [at] tamu.edu 20110517 source: RADB last-modified: 2023-11-13T15:41:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 68.232.0.0/19 descr: TAMU-Commerce origin: AS1970 mnt-by: MAINT-TTVN changed: elaird [at] tamu.edu 20100326 source: RADB last-modified: 2023-11-13T15:40:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 96.46.160.0/20 descr: TAMU-SA origin: AS1970 mnt-by: MAINT-TTVN changed: elaird [at] tamu.edu 20091202 source: RADB last-modified: 2023-11-13T15:40:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 98.159.48.0/20 descr: TAMU-CT origin: AS1970 mnt-by: MAINT-TTVN changed: elaird [at] tamu.edu 20100326 source: RADB last-modified: 2023-11-13T15:40:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 129.207.0.0/16 descr: PVAMU origin: AS1970 remarks: PVAM route mnt-by: MAINT-TTVN changed: elaird [at] tamu.edu 20030423 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 139.94.0.0/16 descr: Texas A&M University - Kingsville Campus Box 185 Kingsville TX 78363, USA origin: AS1970 mnt-by: MAINT-TTVN changed: David-Hess [at] net.tamu.edu 19990220 source: RADB last-modified: 2023-11-13T15:39:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 165.95.0.0/16 descr: Texas A&M University TTVN MS 4244 College Station TX 77843-4244, USA origin: AS1970 mnt-by: MAINT-TTVN changed: David-Hess [at] net.tamu.edu 19990220 source: RADB last-modified: 2023-11-13T15:39:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 173.255.32.0/20 descr: TAMU-Tarleton origin: AS1970 mnt-by: MAINT-TTVN changed: elaird [at] tamu.edu 20100824 source: RADB last-modified: 2023-11-13T15:41:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 184.174.192.0/18 descr: TAMU-Galveston origin: AS1970 mnt-by: MAINT-TTVN changed: elaird [at] tamu.edu 20110314 source: RADB last-modified: 2023-11-13T15:41:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.58.109.0/24 descr: Texas A&M University origin: AS1970 remarks: O-109 mnt-by: MAINT-TTVN changed: elaird [at] net.tamu.edu 20041021 source: RADB last-modified: 2023-11-13T15:39:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.58.111.0/24 descr: Texas A&M University origin: AS1970 remarks: O-111 mnt-by: MAINT-TTVN changed: elaird [at] net.tamu.edu 20041021 source: RADB last-modified: 2023-11-13T15:39:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.58.112.0/22 descr: TTVN-112 origin: AS1970 remarks: TTVN-112-115 mnt-by: MAINT-TTVN changed: elaird [at] net.tamu.edu 20050622 source: RADB last-modified: 2023-11-13T15:39:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.58.114.0/24 descr: Texas A&M University TTVN MS 4244 College Station TX 77843-4244, USA origin: AS1970 mnt-by: MAINT-TTVN changed: David-Hess [at] net.tamu.edu 19990220 source: RADB last-modified: 2023-11-13T15:39:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.58.116.0/24 descr: TTVN-116 origin: AS1970 remarks: TTVN-116 mnt-by: MAINT-TTVN changed: elaird [at] net.tamu.edu 20050622 source: RADB last-modified: 2023-11-13T15:39:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.58.117.0/24 descr: Texas A&M University origin: AS1970 remarks: O-117 mnt-by: MAINT-TTVN changed: elaird [at] net.tamu.edu 20041021 source: RADB last-modified: 2023-11-13T15:39:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.138.240.0/21 descr: Texas A&M University TTVN MS 4244 College Station TX 77843-4244, USA origin: AS1970 mnt-by: MAINT-TTVN changed: David-Hess [at] net.tamu.edu 19990220 source: RADB last-modified: 2023-11-13T15:39:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.195.86.0/24 descr: Texas A&M University origin: AS1970 remarks: O-86 mnt-by: MAINT-TTVN changed: elaird [at] net.tamu.edu 20041021 source: RADB last-modified: 2023-11-13T15:39:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.195.87.0/24 descr: Texas A&M University origin: AS1970 remarks: O-87 mnt-by: MAINT-TTVN changed: elaird [at] net.tamu.edu 20041021 source: RADB last-modified: 2023-11-13T15:39:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.38.64.0/21 descr: Texas A&M University TTVN MS 4244 College Station TX 77843-4244, USA origin: AS1970 mnt-by: MAINT-TTVN changed: David-Hess [at] net.tamu.edu 19990220 source: RADB last-modified: 2023-11-13T15:39:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.79.56.0/22 descr: TAMUT-New origin: AS1970 mnt-by: MAINT-TTVN changed: elaird [at] tamu.edu 20130917 source: RADB last-modified: 2023-11-13T15:45:38Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.56.128.0/17 descr: Texas A&M University TTVN MS 4244 College Station TX 77843-4244, USA origin: AS1970 mnt-by: MAINT-TTVN changed: David-Hess [at] net.tamu.edu 19990220 source: RADB last-modified: 2023-11-13T15:39:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2605:efc0::/32 origin: AS1970 descr: TAMUG-TAMUS-EDU mnt-by: MAINT-AS6922 changed: pete [at] ots.utsystem.edu 20201023 #17:50:26Z source: RADB last-modified: 2023-11-13T16:02:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2607:b800::/32 descr: TTVN-v6 origin: AS1970 mnt-by: MAINT-TTVN changed: elaird [at] tamu.edu 20110127 source: RADB last-modified: 2023-11-13T15:41:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:2d:c000::/44 descr: TAMUCC-v6-Commerce origin: AS1970 mnt-by: MAINT-TTVN changed: elaird [at] tamu.edu 20130917 source: RADB last-modified: 2023-11-13T15:45:38Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:92::/44 descr: TAMUCC-v6-expanded origin: AS1970 mnt-by: MAINT-TTVN changed: elaird [at] tamu.edu 20130917 source: RADB last-modified: 2023-11-13T15:45:38Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:92::/48 descr: TAMUCC-v6 origin: AS1970 mnt-by: MAINT-TTVN changed: elaird [at] tamu.edu 20120605 source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:13a:2000::/40 descr: TTI-TAMUS-EDU origin: AS1970 mnt-by: MAINT-AS6922 changed: pete [at] ots.utsystem.edu 20180827 #03:10:18Z source: RADB last-modified: 2023-11-13T15:54:29Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source