These entries are queried from radb.net using whois, you can try my project getting these.
:AS3465 route: 192.252.64.0/18 origin: AS3465 descr: J.B. Hunt Transport full range J.B. Hunt Transport, Inc. Corporate Network Lowell, Arkansas 72745 USA notify: router [at] jbhunt.com mnt-by: MAINT-AS3465 changed: david.dinan [at] jbhunt.com 20231129 # 1912Z source: RADB last-modified: 2023-11-29T19:12:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.252.67.0/24 origin: AS3465 descr: J.B. Hunt Transport nonprod notify: router [at] jbhunt.com mnt-by: MAINT-AS3465 changed: david.dinan [at] jbhunt.com 20211202 #17:29:16Z source: RADB last-modified: 2023-11-13T16:09:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.252.72.0/21 descr: USJBHT01 J.B. Hunt Transport, Inc. Corporate Network Lowell, Arkansas 72745 USA origin: AS3465 notify: router [at] jbhunt.com mnt-by: MAINT-AS3465 changed: router [at] jbhunt.com 20161101 #18:05:45Z source: RADB last-modified: 2023-11-13T15:49:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.252.76.0/24 descr: USJBHT01 J.B. Hunt Transport, Inc. Corporate Network Lowell, Arkansas 72745 USA origin: AS3465 notify: router [at] jbhunt.com mnt-by: MAINT-AS3465 changed: charles_revoir [at] jbhunt.com 20010502 source: RADB last-modified: 2023-11-29T16:12:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.252.77.0/24 descr: AS3465 origin: AS3465 mnt-by: MAINT-AS3465 changed: router [at] jbhunt.com 20081211 #14:19:51Z source: RADB last-modified: 2023-11-29T16:12:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.252.99.0/24 descr: J.B. Hunt Transport, Inc. origin: AS3465 mnt-by: MAINT-AS3465 changed: router [at] jbhunt.com 20161101 #18:06:56Z source: RADB last-modified: 2023-11-13T15:49:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.252.112.0/22 descr: J.B. Hunt Transport Lowell,AR origin: AS3465 notify: router [at] jbhunt.com mnt-by: MAINT-AS3465 changed: david.dinan [at] jbhunt.com 20181013 #17:29:47Z source: RADB last-modified: 2023-11-13T15:54:58Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.252.112.0/24 origin: AS3465 descr: J.B. Hunt Transport notify: router [at] jbhunt.com mnt-by: MAINT-AS3465 changed: david.dinan [at] jbhunt.com 20220310 #19:25:10Z source: RADB last-modified: 2023-11-13T16:09:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.252.120.0/22 descr: J.B. Hunt Transport Lowell AR origin: AS3465 notify: router [at] jbhunt.com mnt-by: MAINT-AS3465 changed: david.dinan [at] jbhunt.com 20181013 #17:34:20Z source: RADB last-modified: 2023-11-13T15:54:58Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.252.120.0/24 origin: AS3465 descr: J.B. Hunt Transport geoidx: United States notify: router [at] jbhunt.com mnt-by: MAINT-AS3465 changed: david.dinan [at] jbhunt.com 20220310 #19:22:26Z source: RADB last-modified: 2023-11-13T16:09:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source