These entries are queried from radb.net using whois, you can try my project getting these.
:AS1678 route: 151.163.2.0/24 origin: AS1678 descr: Dow External Prefix mnt-by: MAINT-AS18930 changed: gadouglass2 [at] dow.com 20230119 #21:12:07Z source: RADB last-modified: 2023-11-13T16:13:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 151.163.3.0/24 origin: AS1678 descr: Dow external prefix mnt-by: MAINT-AS18930 changed: gadouglass2 [at] dow.com 20230119 #21:16:02Z source: RADB last-modified: 2023-11-13T16:13:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 151.163.6.0/24 origin: AS1678 descr: Dow external prefix mnt-by: MAINT-AS18930 changed: gadouglass2 [at] dow.com 20230119 #21:19:32Z source: RADB last-modified: 2023-11-13T16:13:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 151.163.8.0/24 origin: AS1678 descr: Dow external prefix mnt-by: MAINT-AS18930 changed: gadouglass2 [at] dow.com 20230119 #21:20:09Z source: RADB last-modified: 2023-11-13T16:13:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 151.163.9.0/24 origin: AS1678 descr: Dow external prefix mnt-by: MAINT-AS18930 changed: gadouglass2 [at] dow.com 20230120 #16:12:42Z source: RADB last-modified: 2023-11-13T16:13:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 151.163.11.0/24 origin: AS1678 descr: The Dow Chemical Company external prefix mnt-by: MAINT-AS18930 changed: gadouglass2 [at] dow.com 20230119 #21:07:48Z source: RADB last-modified: 2023-11-13T16:13:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 151.163.19.0/24 origin: AS1678 descr: Dow external prefix mnt-by: MAINT-AS18930 changed: gadouglass2 [at] dow.com 20230119 #21:11:07Z source: RADB last-modified: 2023-11-13T16:13:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 151.163.21.0/24 origin: AS1678 descr: Dow external prefix mnt-by: MAINT-AS18930 changed: gadouglass2 [at] dow.com 20230119 #21:14:40Z source: RADB last-modified: 2023-11-13T16:13:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 151.163.52.0/22 origin: AS1678 descr: Dow external prefix mnt-by: MAINT-AS18930 changed: gadouglass2 [at] dow.com 20230119 #21:24:24Z source: RADB last-modified: 2023-11-13T16:13:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 151.163.52.0/24 origin: AS1678 descr: Dow external prefix mnt-by: MAINT-AS18930 changed: gadouglass2 [at] dow.com 20230119 #21:16:47Z source: RADB last-modified: 2023-11-13T16:13:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 151.163.53.0/24 origin: AS1678 descr: Dow external prefix mnt-by: MAINT-AS18930 changed: gadouglass2 [at] dow.com 20230119 #21:17:29Z source: RADB last-modified: 2023-11-13T16:13:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 151.163.54.0/24 origin: AS1678 descr: Dow external prefix mnt-by: MAINT-AS18930 changed: gadouglass2 [at] dow.com 20230120 #16:13:22Z source: RADB last-modified: 2023-11-13T16:13:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 151.163.56.0/24 origin: AS1678 descr: Dow external prefix mnt-by: MAINT-AS18930 changed: gadouglass2 [at] dow.com 20230119 #21:18:07Z source: RADB last-modified: 2023-11-13T16:13:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 151.163.57.0/24 origin: AS1678 descr: Dow external prefix mnt-by: MAINT-AS18930 changed: gadouglass2 [at] dow.com 20230119 #21:18:50Z source: RADB last-modified: 2023-11-13T16:13:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 151.163.93.0/24 origin: AS1678 descr: Dow external prefix mnt-by: MAINT-AS18930 changed: gadouglass2 [at] dow.com 20230119 #21:20:51Z source: RADB last-modified: 2023-11-13T16:13:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 151.163.94.0/24 origin: AS1678 descr: Dow external prefix mnt-by: MAINT-AS18930 changed: gadouglass2 [at] dow.com 20230119 #21:21:29Z source: RADB last-modified: 2023-11-13T16:13:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 151.163.95.0/24 origin: AS1678 descr: Dow external prefix mnt-by: MAINT-AS18930 changed: gadouglass2 [at] dow.com 20230120 #16:11:49Z source: RADB last-modified: 2023-11-13T16:13:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 151.163.96.0/24 origin: AS1678 descr: Dow external prefix mnt-by: MAINT-AS18930 changed: gadouglass2 [at] dow.com 20230119 #21:22:06Z source: RADB last-modified: 2023-11-13T16:13:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 151.163.97.0/24 origin: AS1678 descr: Dow external prefix mnt-by: MAINT-AS18930 changed: gadouglass2 [at] dow.com 20230119 #21:22:41Z source: RADB last-modified: 2023-11-13T16:13:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 151.163.98.0/24 origin: AS1678 descr: Dow external prefix mnt-by: MAINT-AS18930 changed: gadouglass2 [at] dow.com 20230120 #16:10:57Z source: RADB last-modified: 2023-11-13T16:13:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 151.163.106.0/24 origin: AS1678 descr: Dow external prefix mnt-by: MAINT-AS18930 changed: gadouglass2 [at] dow.com 20230120 #16:14:43Z source: RADB last-modified: 2023-11-13T16:13:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 151.163.200.0/24 origin: AS1678 descr: Dow external prefix mnt-by: MAINT-AS18930 changed: gadouglass2 [at] dow.com 20230119 #21:12:56Z source: RADB last-modified: 2023-11-13T16:13:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 151.163.201.0/24 origin: AS1678 descr: Dow external prefix mnt-by: MAINT-AS18930 changed: gadouglass2 [at] dow.com 20230119 #21:13:50Z source: RADB last-modified: 2023-11-13T16:13:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 151.163.202.0/24 origin: AS1678 descr: Dow external prefix mnt-by: MAINT-AS18930 changed: gadouglass2 [at] dow.com 20230120 #16:14:02Z source: RADB last-modified: 2023-11-13T16:13:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 165.216.244.0/24 descr: The Dow Chemical Company external prefix origin: AS1678 mnt-by: MAINT-AS18930 changed: chris.collins [at] dowcorning.com 20181108 #19:14:36Z source: RADB last-modified: 2023-11-13T15:55:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 165.216.246.0/24 descr: The Dow Chemical Company external prefix origin: AS1678 mnt-by: MAINT-AS18930 changed: chris.collins [at] dowcorning.com 20181108 #19:12:05Z source: RADB last-modified: 2023-11-13T15:55:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 165.216.247.0/24 descr: The Dow Chemical Company external prefix origin: AS1678 mnt-by: MAINT-AS18930 changed: chris.collins [at] dowcorning.com 20181108 #19:15:20Z source: RADB last-modified: 2023-11-13T15:55:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 165.216.248.0/24 descr: The Dow Chemical Company external prefix origin: AS1678 mnt-by: MAINT-AS18930 changed: chris.collins [at] dowcorning.com 20181108 #19:13:33Z source: RADB last-modified: 2023-11-13T15:55:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.136.167.0/24 descr: The Dow Chemical Company public prefix origin: AS1678 mnt-by: MAINT-AS18930 changed: chris.collins [at] dowcorning.com 20170905 #04:39:42Z source: RADB last-modified: 2023-11-13T15:51:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.136.182.0/24 descr: NET-204-136-182-0-1 origin: AS1678 remarks: Proxy object for Dow by PS Lightwave notify: netops [at] pslightwave.com mnt-by: MAINT-PSLIGHTWAVE changed: swulf [at] pslightwave.com source: NTTCOM last-modified: 2022-12-12T23:38:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.136.182.0/24 descr: The Dow Chemical Company external prefix origin: AS1678 mnt-by: MAINT-AS18930 changed: chris.collins [at] dowcorning.com 20170822 #18:14:29Z source: RADB last-modified: 2023-11-13T15:51:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.136.184.0/24 descr: The Dow Chemical Company external prefix origin: AS1678 mnt-by: MAINT-AS18930 changed: chris.collins [at] dowcorning.com 20170822 #18:14:51Z source: RADB last-modified: 2023-11-13T15:51:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.136.184.0/24 descr: NET-204-136-184-0-1 origin: AS1678 remarks: Proxy object for Dow by PS Lightwave notify: netops [at] pslightwave.com mnt-by: MAINT-PSLIGHTWAVE changed: swulf [at] pslightwave.com source: NTTCOM last-modified: 2023-01-30T19:12:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.136.186.0/24 descr: The Dow Chemical Company external prefix origin: AS1678 mnt-by: MAINT-AS18930 changed: chris.collins [at] dowcorning.com 20170822 #18:16:20Z source: RADB last-modified: 2023-11-13T15:51:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.136.203.0/24 descr: The Dow Chemical Company external prefix origin: AS1678 mnt-by: MAINT-AS18930 changed: chris.collins [at] dowcorning.com 20170822 #18:16:33Z source: RADB last-modified: 2023-11-13T15:51:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.136.206.0/24 descr: The Dow Chemical Company external prefix origin: AS1678 mnt-by: MAINT-AS18930 changed: chris.collins [at] dowcorning.com 20170822 #18:16:44Z source: RADB last-modified: 2023-11-13T15:51:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.136.207.0/24 descr: The Dow Chemical Company external prefix origin: AS1678 mnt-by: MAINT-AS18930 changed: chris.collins [at] dowcorning.com 20170822 #18:16:58Z source: RADB last-modified: 2023-11-13T15:51:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.136.218.0/24 descr: The Dow Chemical Company external prefix origin: AS1678 mnt-by: MAINT-AS18930 changed: chris.collins [at] dowcorning.com 20170822 #18:17:20Z source: RADB last-modified: 2023-11-13T15:51:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.136.241.0/24 descr: The Dow Chemical Company external prefix origin: AS1678 mnt-by: MAINT-AS18930 changed: chris.collins [at] dowcorning.com 20170822 #18:17:41Z source: RADB last-modified: 2023-11-13T15:51:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.136.242.0/24 descr: The Dow Chemical Company external prefix origin: AS1678 mnt-by: MAINT-AS18930 changed: chris.collins [at] dowcorning.com 20170822 #18:17:51Z source: RADB last-modified: 2023-11-13T15:51:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.163.184.0/24 descr: NET-204-163-184-0-1 origin: AS1678 remarks: Proxy object for Dow by PS Lightwave notify: netops [at] pslightwave.com mnt-by: MAINT-PSLIGHTWAVE changed: swulf [at] pslightwave.com source: NTTCOM last-modified: 2022-12-12T23:39:29Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.99.64.0/24 descr: The Dow Chemical Company Public Prefix origin: AS1678 mnt-by: MAINT-AS18930 changed: chris.collins [at] dowcorning.com 20170822 #14:22:15Z source: RADB last-modified: 2023-11-13T15:51:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.99.65.0/24 descr: The Dow Chemical Company external prefix origin: AS1678 mnt-by: MAINT-AS18930 changed: chris.collins [at] dowcorning.com 20170822 #18:18:03Z source: RADB last-modified: 2023-11-13T15:51:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.99.82.0/24 descr: The Dow Chemical Company external prefix origin: AS1678 mnt-by: MAINT-AS18930 changed: chris.collins [at] dowcorning.com 20170822 #18:18:36Z source: RADB last-modified: 2023-11-13T15:51:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.99.83.0/24 descr: Dow Chemical origin: AS1678 mnt-by: MAINT-CHTR-WD changed: wendel.herron [at] chartercom.com 20100630 #17:06:50Z source: RADB last-modified: 2023-11-13T16:11:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.99.85.0/24 descr: The Dow Chemical Company external prefix origin: AS1678 mnt-by: MAINT-AS18930 changed: chris.collins [at] dowcorning.com 20170822 #18:20:31Z source: RADB last-modified: 2023-11-13T15:51:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.99.87.0/24 descr: The Dow Chemical Company external prefix origin: AS1678 mnt-by: MAINT-AS18930 changed: chris.collins [at] dowcorning.com 20170822 #18:20:50Z source: RADB last-modified: 2023-11-13T15:51:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.99.89.0/24 descr: The Dow Chemical Company external prefix origin: AS1678 mnt-by: MAINT-AS18930 changed: chris.collins [at] dowcorning.com 20180627 #13:23:14Z source: RADB last-modified: 2023-11-13T15:54:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.99.90.0/24 descr: The Dow Chemical Company external prefix origin: AS1678 mnt-by: MAINT-AS18930 changed: chris.collins [at] dowcorning.com 20180627 #13:21:55Z source: RADB last-modified: 2023-11-13T15:54:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source