These entries are queried from radb.net using whois, you can try my project getting these.
:AS36100 route: 12.33.156.0/24 descr: RR-RC-MTC Broadband-Liberty origin: AS36100 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:14:58Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 12.33.157.0/24 descr: RR-RC-MTC Broadband-Liberty origin: AS36100 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:14:58Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 12.33.158.0/24 descr: RR-RC-MTC Broadband-Liberty origin: AS36100 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:14:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 12.33.159.0/24 descr: RR-RC-MTC Broadband-Liberty origin: AS36100 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:14:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 12.39.76.0/23 descr: RR-RC-MARGERETVILLE TELEPHONE-Northeast origin: AS36100 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20190219 #18:41:36Z source: RADB last-modified: 2023-11-13T16:15:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 12.144.22.0/24 descr: RR-RC-MTC Broadband-Liberty origin: AS36100 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:14:58Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 12.144.23.0/24 descr: RR-RC-MTC Broadband-Liberty origin: AS36100 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:14:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 12.152.144.0/24 descr: RR-RC-MTC Broadband-Liberty origin: AS36100 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:14:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 12.152.145.0/24 descr: RR-RC-MTC Broadband-Liberty origin: AS36100 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:14:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 12.152.146.0/24 descr: RR-RC-MTC Broadband-Liberty origin: AS36100 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:14:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 12.152.147.0/24 descr: RR-RC-MTC Broadband-Liberty origin: AS36100 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:14:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 12.152.148.0/24 descr: RR-RC-MTC Broadband-Liberty origin: AS36100 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 12.152.149.0/24 descr: RR-RC-MTC Broadband-Liberty origin: AS36100 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 12.152.150.0/24 descr: RR-RC-MTC Broadband-Liberty origin: AS36100 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:14:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.57.244.0/23 origin: AS36100 descr: Proxy route entry for MTC Broadband mnt-by: MAINT-AS22302 changed: rblayzor [at] inoc.net 20230802 #12:23:42Z source: RADB last-modified: 2023-11-13T16:17:51Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.76.80.0/23 origin: AS36100 descr: Route entry for MTC Broadband mnt-by: MAINT-AS22302 changed: rblayzor [at] inoc.net 20210203 #22:15:35Z source: RADB last-modified: 2023-11-13T16:03:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.76.82.0/23 origin: AS36100 descr: Route entry for MTC Broadband mnt-by: MAINT-AS22302 changed: rblayzor [at] inoc.net 20210408 #13:36:30Z source: RADB last-modified: 2023-11-13T16:05:28Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 38.76.84.0/23 origin: AS36100 descr: Route entry for MTC Broadband mnt-by: MAINT-AS22302 changed: rblayzor [at] inoc.net 20210629 #15:53:05Z source: RADB last-modified: 2023-11-13T16:07:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.246.146.0/23 descr: RR-MTC (MARGARETVILLE TELEPHONE CO)-NYC origin: AS36100 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20200918 #11:32:20Z source: RADB last-modified: 2023-11-13T16:15:19Z rpki-ov-state: valid route: 64.246.153.0/24 descr: RR-MTC (MARGARETVILLE TELEPHONE CO)-NYC origin: AS36100 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20200918 #11:32:20Z source: RADB last-modified: 2023-11-13T16:15:19Z rpki-ov-state: valid route: 64.246.154.0/23 descr: RR-MTC (MARGARETVILLE TELEPHONE CO)-NYC origin: AS36100 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20200918 #11:32:20Z source: RADB last-modified: 2023-11-13T16:15:19Z rpki-ov-state: valid route: 64.246.157.0/24 descr: RR-MTC (MARGARETVILLE TELEPHONE CO)-NYC origin: AS36100 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20200918 #11:32:20Z source: RADB last-modified: 2023-11-13T16:15:19Z rpki-ov-state: valid route: 64.246.159.0/24 descr: RR-MTC (MARGARETVILLE TELEPHONE CO)-NYC origin: AS36100 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20200918 #11:32:20Z source: RADB last-modified: 2023-11-13T16:15:19Z rpki-ov-state: valid route: 72.10.192.0/24 descr: RR-MTC (MARGARETVILLE TELEPHONE CO)-NYC origin: AS36100 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20200918 #11:32:20Z source: RADB last-modified: 2023-11-13T16:15:19Z rpki-ov-state: valid route: 72.10.196.0/22 origin: AS36100 descr: Route entry for MTC Broadband mnt-by: MAINT-AS22302 changed: rblayzor [at] inoc.net 20210408 #14:54:21Z source: RADB last-modified: 2023-11-13T16:05:28Z rpki-ov-state: valid route: 72.10.196.0/23 descr: RR-MTC (MARGARETVILLE TELEPHONE CO)-NYC origin: AS36100 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20200918 #11:32:20Z source: RADB last-modified: 2023-11-13T16:15:19Z rpki-ov-state: valid route: 72.10.198.0/23 descr: Route entry for MTC Broadband origin: AS36100 mnt-by: MAINT-AS22302 changed: rblayzor [at] inoc.net 20181015 #21:01:29Z source: RADB last-modified: 2023-11-13T15:54:59Z rpki-ov-state: valid route: 72.10.198.0/24 descr: RR-RC-MTC Broadband, Inc.-Northeast origin: AS36100 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181213 #17:12:41Z source: RADB last-modified: 2023-11-13T16:15:16Z rpki-ov-state: valid route: 72.10.199.0/24 descr: Route entry for MTC Broadband origin: AS36100 mnt-by: MAINT-AS22302 changed: rblayzor [at] inoc.net 20180918 #16:31:12Z source: RADB last-modified: 2023-11-13T15:54:42Z rpki-ov-state: valid route: 72.10.202.0/23 descr: Route entry for MTC Broadband origin: AS36100 mnt-by: MAINT-AS22302 changed: rblayzor [at] inoc.net 20180918 #16:32:27Z source: RADB last-modified: 2023-11-13T15:54:42Z rpki-ov-state: valid route: 72.10.204.0/23 descr: Route entry for MTC Broadband origin: AS36100 mnt-by: MAINT-AS22302 changed: rblayzor [at] inoc.net 20180918 #16:33:05Z source: RADB last-modified: 2023-11-13T15:54:42Z rpki-ov-state: valid route: 72.10.204.0/24 descr: RR-RC-MTC Broadband-Liberty origin: AS36100 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:17Z rpki-ov-state: valid route: 72.10.205.0/24 descr: RR-RC-MTC Broadband-Liberty origin: AS36100 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:17Z rpki-ov-state: valid route: 72.43.124.0/24 descr: RR-MTC (MARGARETVILLE TELEPHONE CO)-NYC origin: AS36100 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20200918 #11:32:20Z source: RADB last-modified: 2023-11-13T16:15:19Z rpki-ov-state: valid route: 74.115.72.0/21 origin: AS36100 descr: Proxy route entry for MTC Broadband mnt-by: MAINT-AS22302 changed: rblayzor [at] inoc.net 20190219 #20:20:17Z source: RADB last-modified: 2023-11-13T15:55:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.115.72.0/22 descr: RR-RC-MTC Broadband-Liberty origin: AS36100 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.115.76.0/24 descr: RR-RC-MTC Broadband-Liberty origin: AS36100 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.115.77.0/24 descr: RR-RC-MTC Broadband-Liberty origin: AS36100 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.115.78.0/24 descr: RR-RC-MTC Broadband-Liberty origin: AS36100 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.115.79.0/24 descr: RR-RC-MTC Broadband-Liberty origin: AS36100 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.231.80.0/22 descr: Proxy route entry added on behalf of MTC Broadband origin: AS36100 mnt-by: MAINT-AS22302 changed: rblayzor [at] inoc.net 20120802 #13:18:35Z source: RADB last-modified: 2023-11-13T15:43:21Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.14.56.0/21 descr: RR-RC-MARGERETVILLE TELEPHONE-Northeast origin: AS36100 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20190214 #23:19:31Z source: RADB last-modified: 2023-11-13T16:15:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.64.72.0/22 descr: RR-MTC (MARGARETVILLE TELEPHONE CO)-NYC origin: AS36100 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20200918 #11:32:20Z source: RADB last-modified: 2023-11-13T16:15:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.64.72.0/24 descr: RR-RC-MTC Broadband-Liberty origin: AS36100 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:14:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.64.73.0/24 descr: RR-RC-MTC Broadband-Liberty origin: AS36100 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:14:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.64.74.0/24 descr: RR-RC-MTC Broadband-Liberty origin: AS36100 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:14:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.64.75.0/24 descr: RR-RC-MTC Broadband-Liberty origin: AS36100 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:14:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.83.168.0/21 descr: RR-RC-MARGERETVILLE TELEPHONE-Northeast origin: AS36100 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20190214 #23:19:31Z source: RADB last-modified: 2023-11-13T16:15:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source