These entries are queried from radb.net using whois, you can try my project getting these.
:AS11300 route: 64.49.152.0/24 origin: AS11300 descr: Speedcast 64.49.152.0/24 admin-c: CUNHA7-ARIN tech-c: CUNHA7-ARIN tech-c: SAJJA23-ARIN mnt-by: MNT-NTST created: 2021-06-09T12:55:14Z last-modified: 2023-12-15T15:30:27Z source: ARIN rpki-ov-state: valid route: 216.147.128.0/19 descr: 9898 Brewers Court descr: Laurel, MD 20723 descr: UNITED STATES origin: AS11300 notify: ivan.tabb [at] globecomm.com mnt-by: MNT-GLOBE-21 changed: ivan.tabb [at] globecomm.com 20140214 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.147.128.0/23 descr: 9898 Brewers Court descr: Laurel, MD 20723 descr: UNITED STATES origin: AS11300 notify: ivan.tabb [at] globecomm.com mnt-by: MNT-GLOBE-21 changed: ivan.tabb [at] globecomm.com 20140214 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.147.130.0/24 descr: 9898 Brewers Court descr: Laurel, MD 20723 descr: UNITED STATES origin: AS11300 notify: ivan.tabb [at] globecomm.com mnt-by: MNT-GLOBE-21 changed: ivan.tabb [at] globecomm.com 20140214 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.147.131.0/24 descr: 9898 Brewers Court descr: Laurel, MD 20723 descr: UNITED STATES origin: AS11300 notify: ivan.tabb [at] globecomm.com mnt-by: MNT-GLOBE-21 changed: ivan.tabb [at] globecomm.com 20140214 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.147.132.0/24 descr: 9898 Brewers Court descr: Laurel, MD 20723 descr: UNITED STATES origin: AS11300 notify: ivan.tabb [at] globecomm.com mnt-by: MNT-GLOBE-21 changed: ivan.tabb [at] globecomm.com 20140214 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.147.133.0/24 descr: 9898 Brewers Court descr: Laurel, MD 20723 descr: UNITED STATES origin: AS11300 notify: ivan.tabb [at] globecomm.com mnt-by: MNT-GLOBE-21 changed: ivan.tabb [at] globecomm.com 20140214 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.147.134.0/24 descr: 9898 Brewers Court descr: Laurel, MD 20723 descr: UNITED STATES origin: AS11300 notify: ivan.tabb [at] globecomm.com mnt-by: MNT-GLOBE-21 changed: ivan.tabb [at] globecomm.com 20140214 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.147.135.0/24 descr: 9898 Brewers Court descr: Laurel, MD 20723 descr: UNITED STATES origin: AS11300 notify: ivan.tabb [at] globecomm.com mnt-by: MNT-GLOBE-21 changed: ivan.tabb [at] globecomm.com 20140214 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.147.136.0/23 descr: 9898 Brewers Court descr: Laurel, MD 20723 descr: UNITED STATES origin: AS11300 notify: ivan.tabb [at] globecomm.com mnt-by: MNT-GLOBE-21 changed: ivan.tabb [at] globecomm.com 20140214 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.147.138.0/23 descr: 9898 Brewers Court descr: Laurel, MD 20723 descr: UNITED STATES origin: AS11300 notify: ivan.tabb [at] globecomm.com mnt-by: MNT-GLOBE-21 changed: ivan.tabb [at] globecomm.com 20140214 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.147.139.0/24 descr: 9898 Brewers Court descr: Laurel, MD 20723 descr: UNITED STATES origin: AS11300 notify: ivan.tabb [at] globecomm.com mnt-by: MNT-GLOBE-21 changed: ivan.tabb [at] globecomm.com 20140214 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.147.140.0/24 descr: 9898 Brewers Court descr: Laurel, MD 20723 descr: UNITED STATES origin: AS11300 notify: ivan.tabb [at] globecomm.com mnt-by: MNT-GLOBE-21 changed: ivan.tabb [at] globecomm.com 20140214 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.147.141.0/24 descr: 9898 Brewers Court descr: Laurel, MD 20723 descr: UNITED STATES origin: AS11300 notify: ivan.tabb [at] globecomm.com mnt-by: MNT-GLOBE-21 changed: ivan.tabb [at] globecomm.com 20140214 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.147.142.0/24 descr: 9898 Brewers Court descr: Laurel, MD 20723 descr: UNITED STATES origin: AS11300 notify: ivan.tabb [at] globecomm.com mnt-by: MNT-GLOBE-21 changed: ivan.tabb [at] globecomm.com 20140214 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.147.143.0/24 descr: 9898 Brewers Court descr: Laurel, MD 20723 descr: UNITED STATES origin: AS11300 notify: ivan.tabb [at] globecomm.com mnt-by: MNT-GLOBE-21 changed: ivan.tabb [at] globecomm.com 20140214 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.147.144.0/24 descr: 9898 Brewers Court descr: Laurel, MD 20723 descr: UNITED STATES origin: AS11300 notify: ivan.tabb [at] globecomm.com mnt-by: MNT-GLOBE-21 changed: ivan.tabb [at] globecomm.com 20140214 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.147.145.0/24 descr: 9898 Brewers Court descr: Laurel, MD 20723 descr: UNITED STATES origin: AS11300 notify: ivan.tabb [at] globecomm.com mnt-by: MNT-GLOBE-21 changed: ivan.tabb [at] globecomm.com 20140214 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.147.146.0/24 descr: 9898 Brewers Court descr: Laurel, MD 20723 descr: UNITED STATES origin: AS11300 notify: ivan.tabb [at] globecomm.com mnt-by: MNT-GLOBE-21 changed: ivan.tabb [at] globecomm.com 20140214 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.147.147.0/24 descr: 9898 Brewers Court descr: Laurel, MD 20723 descr: UNITED STATES origin: AS11300 notify: ivan.tabb [at] globecomm.com mnt-by: MNT-GLOBE-21 changed: ivan.tabb [at] globecomm.com 20140214 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.147.148.0/24 descr: 9898 Brewers Court descr: Laurel, MD 20723 descr: UNITED STATES origin: AS11300 notify: ivan.tabb [at] globecomm.com mnt-by: MNT-GLOBE-21 changed: ivan.tabb [at] globecomm.com 20140214 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.147.149.0/24 descr: 9898 Brewers Court descr: Laurel, MD 20723 descr: UNITED STATES origin: AS11300 notify: ivan.tabb [at] globecomm.com mnt-by: MNT-GLOBE-21 changed: ivan.tabb [at] globecomm.com 20140214 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.147.150.0/23 descr: 9898 Brewers Court descr: Laurel, MD 20723 descr: UNITED STATES origin: AS11300 notify: ivan.tabb [at] globecomm.com mnt-by: MNT-GLOBE-21 changed: ivan.tabb [at] globecomm.com 20140214 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.147.152.0/24 descr: 9898 Brewers Court descr: Laurel, MD 20723 descr: UNITED STATES origin: AS11300 notify: ivan.tabb [at] globecomm.com mnt-by: MNT-GLOBE-21 changed: ivan.tabb [at] globecomm.com 20140214 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.147.153.0/24 descr: 9898 Brewers Court descr: Laurel, MD 20723 descr: UNITED STATES origin: AS11300 notify: ivan.tabb [at] globecomm.com mnt-by: MNT-GLOBE-21 changed: ivan.tabb [at] globecomm.com 20140214 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.147.154.0/24 descr: 9898 Brewers Court descr: Laurel, MD 20723 descr: UNITED STATES origin: AS11300 notify: ivan.tabb [at] globecomm.com mnt-by: MNT-GLOBE-21 changed: ivan.tabb [at] globecomm.com 20140214 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.147.155.0/24 descr: 9898 Brewers Court descr: Laurel, MD 20723 descr: UNITED STATES origin: AS11300 notify: ivan.tabb [at] globecomm.com mnt-by: MNT-GLOBE-21 changed: ivan.tabb [at] globecomm.com 20140214 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.147.156.0/24 descr: 9898 Brewers Court descr: Laurel, MD 20723 descr: UNITED STATES origin: AS11300 notify: ivan.tabb [at] globecomm.com mnt-by: MNT-GLOBE-21 changed: ivan.tabb [at] globecomm.com 20140214 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.147.157.0/24 descr: 9898 Brewers Court descr: Laurel, MD 20723 descr: UNITED STATES origin: AS11300 notify: ivan.tabb [at] globecomm.com mnt-by: MNT-GLOBE-21 changed: ivan.tabb [at] globecomm.com 20140214 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.147.158.0/24 descr: 9898 Brewers Court descr: Laurel, MD 20723 descr: UNITED STATES origin: AS11300 notify: ivan.tabb [at] globecomm.com mnt-by: MNT-GLOBE-21 changed: ivan.tabb [at] globecomm.com 20140214 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.147.159.0/24 descr: 9898 Brewers Court descr: Laurel, MD 20723 descr: UNITED STATES origin: AS11300 notify: ivan.tabb [at] globecomm.com mnt-by: MNT-GLOBE-21 changed: ivan.tabb [at] globecomm.com 20140214 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source