These entries are queried from radb.net using whois, you can try my project getting these.
:AS55819 route: 27.126.144.0/21 descr: Campaign Monitor origin: AS55819 notify: nie+radb [at] campaignmonitor.com mnt-by: MAINT-AS55819 changed: noc+radb [at] campaignmonitor.com 20180507 #06:28:02Z source: RADB last-modified: 2023-11-13T15:53:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.28.40.0/22 descr: Campaign Monitor origin: AS55819 notify: nie+radb [at] campaignmonitor.com mnt-by: MAINT-AS55819 changed: noc+radb [at] campaignmonitor.com 20180507 #06:28:23Z source: RADB last-modified: 2023-11-13T15:53:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 146.88.16.0/23 descr: Campaign Monitor origin: AS55819 notify: nie+radb [at] campaignmonitor.com mnt-by: MAINT-AS55819 changed: noc+radb [at] campaignmonitor.com 20180507 #06:29:17Z source: RADB last-modified: 2023-11-13T15:53:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 146.88.18.0/24 descr: Campaign Monitor origin: AS55819 notify: nie+radb [at] campaignmonitor.com mnt-by: MAINT-AS55819 changed: noc+radb [at] campaignmonitor.com 20180507 #06:29:35Z source: RADB last-modified: 2023-11-13T15:53:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 146.88.28.0/24 descr: Campaign Monitor origin: AS55819 notify: nie+radb [at] campaignmonitor.com mnt-by: MAINT-AS55819 changed: noc+radb [at] campaignmonitor.com 20180507 #06:29:47Z source: RADB last-modified: 2023-11-13T15:53:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 163.47.180.0/22 descr: Campaign Monitor origin: AS55819 notify: nie+radb [at] campaignmonitor.com mnt-by: MAINT-AS55819 changed: noc+radb [at] campaignmonitor.com 20180507 #06:29:59Z source: RADB last-modified: 2023-11-13T15:53:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 180.189.136.0/22 descr: Campaign Monitor origin: AS55819 notify: nie+radb [at] campaignmonitor.com mnt-by: MAINT-AS55819 changed: noc+radb [at] campaignmonitor.com 20180507 #06:30:11Z source: RADB last-modified: 2023-11-13T15:53:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.148.189.0/24 descr: Campaign Monitor origin: AS55819 notify: nie+radb [at] campaignmonitor.com mnt-by: MAINT-AS55819 changed: noc+radb [at] campaignmonitor.com 20180507 #06:30:31Z source: RADB last-modified: 2023-11-13T15:53:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.148.196.0/23 descr: Campaign Monitor origin: AS55819 notify: nie+radb [at] campaignmonitor.com mnt-by: MAINT-AS55819 changed: noc+radb [at] campaignmonitor.com 20180507 #06:30:45Z source: RADB last-modified: 2023-11-13T15:53:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.55.21.0/24 descr: Campaign Monitor origin: AS55819 notify: nie+radb [at] campaignmonitor.com mnt-by: MAINT-AS55819 changed: noc+radb [at] campaignmonitor.com 20180507 #06:30:59Z source: RADB last-modified: 2023-11-13T15:53:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.55.138.0/24 descr: Campaign Monitor origin: AS55819 notify: nie+radb [at] campaignmonitor.com mnt-by: MAINT-AS55819 changed: noc+radb [at] campaignmonitor.com 20180507 #06:31:12Z source: RADB last-modified: 2023-11-13T15:53:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.75.142.0/24 descr: Campaign Monitor origin: AS55819 notify: nie+radb [at] campaignmonitor.com mnt-by: MAINT-AS55819 changed: noc+radb [at] campaignmonitor.com 20180507 #06:31:23Z source: RADB last-modified: 2023-11-13T15:53:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.166.177.0/24 descr: Campaign Monitor origin: AS55819 notify: nie+radb [at] campaignmonitor.com mnt-by: MAINT-AS55819 changed: noc+radb [at] campaignmonitor.com 20180507 #06:31:34Z source: RADB last-modified: 2023-11-13T15:53:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.99.198.0/24 descr: Campaign Monitor origin: AS55819 notify: nie+radb [at] campaignmonitor.com mnt-by: MAINT-AS55819 changed: noc+radb [at] campaignmonitor.com 20180507 #06:31:50Z source: RADB last-modified: 2023-11-13T15:53:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.99.201.0/24 descr: Campaign Monitor origin: AS55819 notify: nie+radb [at] campaignmonitor.com mnt-by: MAINT-AS55819 changed: noc+radb [at] campaignmonitor.com 20180507 #06:32:17Z source: RADB last-modified: 2023-11-13T15:53:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.99.204.0/24 descr: Campaign Monitor origin: AS55819 notify: nie+radb [at] campaignmonitor.com mnt-by: MAINT-AS55819 changed: noc+radb [at] campaignmonitor.com 20180507 #06:32:29Z source: RADB last-modified: 2023-11-13T15:53:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2404:de00::/32 origin: AS55819 descr: Campaign Monitor Pty Ltd. notify: nie+radb [at] campaignmonitor.com mnt-by: MAINT-AS55819 changed: noc+radb [at] campaignmonitor.com 20200709 #02:47:45Z source: RADB last-modified: 2023-11-13T16:01:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source