These entries are queried from radb.net using whois, you can try my project getting these.
:AS30259 route: 204.9.56.0/24 descr: BroadAspect descr: 44927 George Washington Blvd descr: Suite 210 descr: Ashburn, Va 20147 descr: US origin: AS30259 mnt-by: MNT-SKYNE-1 changed: hostmaster [at] broadaspect.com 20100406 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.9.57.0/24 descr: BroadAspect descr: 44927 George Washington Blvd descr: Suite 210 descr: Ashburn, Va 20147 descr: US origin: AS30259 mnt-by: MNT-SKYNE-1 changed: hostmaster [at] broadaspect.com 20100406 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.9.58.0/24 descr: BroadAspect descr: 44927 George Washington Blvd descr: Suite 210 descr: Ashburn, Va 20147 descr: US origin: AS30259 mnt-by: MNT-SKYNE-1 changed: hostmaster [at] broadaspect.com 20100406 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.9.61.0/24 descr: BroadAspect descr: 44927 George Washington Blvd descr: Suite 210 descr: Ashburn, Va 20147 descr: US origin: AS30259 mnt-by: MNT-SKYNE-1 changed: hostmaster [at] broadaspect.com 20100406 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.9.62.0/24 descr: BroadAspect descr: 44927 George Washington Blvd descr: Suite 210 descr: Ashburn, Va 20147 descr: US origin: AS30259 mnt-by: MNT-SKYNE-1 changed: hostmaster [at] broadaspect.com 20100406 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.48.120.0/24 descr: BroadAspect descr: 44927 George Washington Blvd descr: Suite 210 descr: Ashburn, Va 20147 descr: US origin: AS30259 mnt-by: MNT-SKYNE-1 changed: hostmaster [at] broadaspect.com 20100406 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.48.121.0/24 descr: BroadAspect descr: 44927 George Washington Blvd descr: Suite 210 descr: Ashburn, Va 20147 descr: US origin: AS30259 mnt-by: MNT-SKYNE-1 changed: hostmaster [at] broadaspect.com 20100406 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.48.122.0/24 descr: BroadAspect origin: AS30259 mnt-by: MNT-SKYNE-1 changed: crice [at] broadaspect.com 20130207 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.48.123.0/24 descr: BroadAspect descr: 44927 George Washington Blvd descr: Suite 210 descr: Ashburn, Va 20147 descr: US origin: AS30259 mnt-by: MNT-SKYNE-1 changed: hostmaster [at] broadaspect.com 20100406 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.48.124.0/24 descr: BroadAspect descr: 44927 George Washington Blvd descr: Suite 210 descr: Ashburn, Va 20147 descr: US origin: AS30259 mnt-by: MNT-SKYNE-1 changed: hostmaster [at] broadaspect.com 20100406 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.48.125.0/24 descr: BroadAspect descr: 44927 George Washington Blvd descr: Suite 210 descr: Ashburn, Va 20147 descr: US origin: AS30259 mnt-by: MNT-SKYNE-1 changed: hostmaster [at] broadaspect.com 20100406 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.64.153.0/24 descr: BroadAspect descr: 44927 George Washington Blvd descr: Suite 210 descr: Ashburn, Va 20147 descr: US origin: AS30259 mnt-by: MNT-SKYNE-1 changed: hostmaster [at] broadaspect.com 20100406 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.64.154.0/24 descr: BroadAspect descr: 44927 George Washington Blvd descr: Suite 210 descr: Ashburn, Va 20147 descr: US origin: AS30259 mnt-by: MNT-SKYNE-1 changed: hostmaster [at] broadaspect.com 20100406 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.64.155.0/24 descr: BroadAspect descr: 44927 George Washington Blvd descr: Suite 210 descr: Ashburn, Va 20147 descr: US origin: AS30259 mnt-by: MNT-SKYNE-1 changed: hostmaster [at] broadaspect.com 20100406 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.64.156.0/24 descr: BroadAspect descr: 44927 George Washington Blvd descr: Suite 210 descr: Ashburn, Va 20147 descr: US origin: AS30259 mnt-by: MNT-SKYNE-1 changed: hostmaster [at] broadaspect.com 20100406 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.64.157.0/24 descr: BroadAspect descr: 44927 George Washington Blvd descr: Suite 210 descr: Ashburn, Va 20147 descr: US origin: AS30259 mnt-by: MNT-SKYNE-1 changed: hostmaster [at] broadaspect.com 20100406 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.64.159.0/24 descr: BroadAspect descr: 44927 George Washington Blvd descr: Suite 210 descr: Ashburn, Va 20147 descr: US origin: AS30259 mnt-by: MNT-SKYNE-1 changed: hostmaster [at] broadaspect.com 20100406 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2607:f7f0::/32 descr: BroadAspect descr: 44927 George Washington Blvd descr: Suite 210 descr: Ashburn, Va 20147 descr: US origin: AS30259 mnt-by: MNT-SKYNE-1 changed: hostmaster [at] broadaspect.com 20100406 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source