These entries are queried from radb.net using whois, you can try my project getting these.
:AS22663 route: 66.6.200.0/21 descr: Frontier Communications (ARIN OrgID: FRTR) origin: AS22663 remarks: remarks: -- Operational Contacts -- remarks: Abuse / UCE: abuse [at] support.ftr.com remarks: NOC / Maint: support [at] support.ftr.com remarks: BGP Routing: bgp [at] support.ftr.com remarks: remarks: Proxy-registered route object remarks: for Frontier BGP customer remarks: mnt-by: MAINT-AS5650 changed: gregory.young2 [at] ftr.com 20200326 source: RADB last-modified: 2024-02-15T15:38:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.6.200.0/21 origin: AS22663 descr: 101 West International Ave. Rantoul IL 61866 United States admin-c: JES107-ARIN tech-c: ANDRE590-ARIN tech-c: FOLKP-ARIN tech-c: JES107-ARIN tech-c: JHI70-ARIN mnt-by: MNT-PROMIN-9 created: 2021-11-18T01:47:11Z last-modified: 2021-11-18T01:47:11Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 185.116.68.0/22 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS22663 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20220404 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 185.116.68.0/22 origin: AS22663 mnt-by: uk-prominic-1-mnt created: 2021-01-07T04:51:42Z last-modified: 2021-01-07T04:51:42Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 185.116.68.0/24 origin: AS22663 descr: PROMINIC-NET-INC mnt-by: MAINT-AS30036 changed: ezinnel [at] mediacomcc.com 20191106 #21:18:50Z source: RADB last-modified: 2023-11-13T15:58:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 185.116.69.0/24 origin: AS22663 mnt-by: prominic-uk-MNT mnt-by: uk-prominic-1-mnt created: 2021-11-18T16:08:32Z last-modified: 2021-11-18T16:08:32Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 185.150.3.0/24 origin: AS22663 mnt-by: uk-prominic-1-mnt created: 2021-01-07T04:30:59Z last-modified: 2021-01-07T04:30:59Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.68.2.0/23 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS22663 remarks: Proxy add for customer Prominic mnt-by: MAINT-AS7922 changed: chris_johnson8 [at] cable.comcast.com 20130808 source: RADB last-modified: 2023-11-13T15:54:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.27.144.0/21 descr: Frontier Communications (ARIN OrgID: FRTR) origin: AS22663 remarks: remarks: -- Operational Contacts -- remarks: Abuse / UCE: abuse [at] support.ftr.com remarks: NOC / Maint: support [at] support.ftr.com remarks: BGP Routing: bgp [at] support.ftr.com remarks: remarks: Proxy-registered route object remarks: for Frontier BGP customer remarks: mnt-by: MAINT-AS5650 changed: joseph.grant [at] ftr.com 20140129 source: RADB last-modified: 2024-02-15T15:38:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.103.0.0/21 origin: AS22663 descr: 101 West International Ave. Rantoul IL 61866 United States admin-c: JES107-ARIN tech-c: ANDRE590-ARIN tech-c: FOLKP-ARIN tech-c: JES107-ARIN tech-c: JHI70-ARIN mnt-by: MNT-PROMIN-9 created: 2021-11-18T01:50:35Z last-modified: 2021-11-18T01:50:35Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.103.0.0/21 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS22663 remarks: Proxy add for customer Prominic mnt-by: MAINT-AS7922 changed: chris_johnson8 [at] cable.comcast.com 20130808 source: RADB last-modified: 2023-11-13T15:54:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.85.188.0/22 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS22663 remarks: Proxy add for customer Prominic mnt-by: MAINT-AS7922 changed: chris_johnson8 [at] cable.comcast.com 20130808 source: RADB last-modified: 2023-11-13T15:54:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.85.188.0/22 origin: AS22663 descr: 101 West International Ave. Rantoul IL 61866 United States admin-c: JES107-ARIN tech-c: ANDRE590-ARIN tech-c: FOLKP-ARIN tech-c: JES107-ARIN tech-c: JHI70-ARIN mnt-by: MNT-PROMIN-9 created: 2021-11-18T01:51:48Z last-modified: 2021-11-18T01:51:48Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2604:be00::/32 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS22663 remarks: Proxy add for customer Prominic mnt-by: MAINT-AS7922 changed: chris_johnson8 [at] cable.comcast.com 20130808 source: RADB last-modified: 2023-11-13T15:54:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2604:be00::/32 origin: AS22663 descr: 101 West International Ave. Rantoul IL 61866 United States admin-c: JES107-ARIN tech-c: ANDRE590-ARIN tech-c: FOLKP-ARIN tech-c: JES107-ARIN tech-c: JHI70-ARIN mnt-by: MNT-PROMIN-9 created: 2021-11-18T01:52:27Z last-modified: 2021-11-18T01:52:27Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2a06:6d00::/29 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS22663 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20220404 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source