These entries are queried from radb.net using whois, you can try my project getting these.
:AS13535 route: 8.6.19.0/24 descr: servers.com customer origin: AS13535 mnt-by: MAINT-AS46786 changed: noc [at] iptransit.com 20180404 #09:08:26Z source: RADB last-modified: 2023-11-13T15:53:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 8.6.19.0/24 descr: TKT000417967/Prefix Add origin: AS13535 mnt-by: NING-MNT changed: antwan.hernandez [at] level3.com 20070614 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 167.216.194.0/23 descr: Ning, Inc, ARIN NET-167-216-194-0-1 origin: AS13535 mnt-by: NING-MNT changed: jermaine [at] ninginc.com 20110811 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.245.53.0/24 descr: Nickolai Zeldovich 3948 Orange Lake Dr. Orlando, FL 32817 origin: AS13535 mnt-by: MAINT-AS13535 changed: kolya [at] zepa.net 20011205 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.82.16.0/22 descr: servers.com customer origin: AS13535 mnt-by: MAINT-AS46786 changed: noc [at] iptransit.com 20180404 #09:08:26Z source: RADB last-modified: 2023-11-13T15:53:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.82.16.0/22 descr: Ning, Inc, ARIN NET-208-82-16-0-1 origin: AS13535 mnt-by: NING-MNT changed: jermaine [at] ninginc.com 20071010 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.82.16.0/24 descr: Ning, Inc origin: AS13535 mnt-by: NING-MNT changed: jermaine [at] ninginc.com 20100326 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.82.16.0/24 descr: servers.com customer origin: AS13535 mnt-by: MAINT-AS46786 changed: noc [at] iptransit.com 20180404 #09:08:26Z source: RADB last-modified: 2023-11-13T15:53:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.82.17.0/24 descr: servers.com customer origin: AS13535 mnt-by: MAINT-AS46786 changed: noc [at] iptransit.com 20180404 #09:08:26Z source: RADB last-modified: 2023-11-13T15:53:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.82.17.0/24 descr: Ning, Inc origin: AS13535 mnt-by: NING-MNT changed: jermaine [at] ninginc.com 20080429 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.82.18.0/24 descr: Ning, Inc origin: AS13535 mnt-by: NING-MNT changed: jermaine [at] ninginc.com 20100326 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.82.18.0/24 descr: servers.com customer origin: AS13535 mnt-by: MAINT-AS46786 changed: noc [at] iptransit.com 20180404 #09:08:26Z source: RADB last-modified: 2023-11-13T15:53:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.82.19.0/24 descr: servers.com customer origin: AS13535 mnt-by: MAINT-AS46786 changed: noc [at] iptransit.com 20180404 #09:08:26Z source: RADB last-modified: 2023-11-13T15:53:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.82.19.0/24 descr: Ning, Inc origin: AS13535 mnt-by: NING-MNT changed: jermaine [at] ninginc.com 20090417 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:46:2000::/48 descr: servers.com customer origin: AS13535 mnt-by: MAINT-AS46786 changed: noc [at] iptransit.com 20180404 #08:50:48Z source: RADB last-modified: 2023-11-13T15:53:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source