These entries are queried from radb.net using whois, you can try my project getting these.
:AS19830 route: 63.105.248.0/21 descr: RTC Internet POP Ringgold, GA origin: AS19830 remarks: notify: noc [at] catt.com mnt-by: MAINT-AS19830 changed: pointer [at] catt.com 20010329 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: 64.18.96.0/19 descr: RTC Internet POP Ringgold, GA origin: AS19830 notify: noc [at] catt.com mnt-by: MAINT-AS19830 changed: pointer [at] catt.com 20020426 changed: pointer [at] catt.com 20060110 #16:38:28(UTC) 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: 64.18.96.0/21 descr: RTC Internet POP Ringgold, GA origin: AS19830 notify: noc [at] catt.com mnt-by: MAINT-AS19830 changed: noc [at] catt.com 20090324 #19:25:57Z source: RADB last-modified: 2023-11-13T15:39:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.18.104.0/21 descr: RTC Internet POP Ringgold, GA origin: AS19830 mnt-by: MAINT-AS19830 changed: noc [at] catt.com 20090324 #19:27:07Z source: RADB last-modified: 2023-11-13T15:39:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.18.112.0/20 descr: RTC Internet POP Ringgold, GA origin: AS19830 mnt-by: MAINT-AS19830 changed: noc [at] catt.com 20090324 #19:35:12Z source: RADB last-modified: 2023-11-13T15:39:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.18.112.0/21 descr: RTC Internet POP Ringgold, GA origin: AS19830 notify: noc [at] catt.com mnt-by: MAINT-AS19830 changed: dmcnish [at] rtctel.com 20130523 #13:10:35Z source: RADB last-modified: 2023-11-13T15:45:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.99.96.0/20 descr: RTC Internet POP Ringgold, GA origin: AS19830 notify: noc [at] catt.com mnt-by: MAINT-AS19830 changed: noc [at] catt.com 20070319 #19:56:20(UTC) source: RADB last-modified: 2023-11-13T15:39:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.99.96.0/21 descr: RTC Internet POP Ringgold, GA origin: AS19830 notify: noc [at] catt.com mnt-by: MAINT-AS19830 changed: dmcnish [at] rtctel.com 20130523 #12:41:07Z source: RADB last-modified: 2023-11-13T15:45:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.99.104.0/21 descr: RTC Internet POP Ringgold, GA origin: AS19830 notify: noc [at] catt.com mnt-by: MAINT-AS19830 changed: dmcnish [at] rtctel.com 20130523 #12:41:52Z source: RADB last-modified: 2023-11-13T15:45:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source