These entries are queried from radb.net using whois, you can try my project getting these.
:AS14536 route: 192.129.84.0/24 descr: sol.net Network Services origin: AS14536 notify: bgp [at] ns.sol.net mnt-by: MAINT-AS14536 changed: jgreco [at] ns.sol.net 20131231 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.166.146.0/24 descr: sol.net Network Services origin: AS14536 notify: bgp [at] ns.sol.net mnt-by: MAINT-AS14536 changed: jgreco [at] ns.sol.net 20131231 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.55.64.0/20 descr: sol.net Network Services origin: AS14536 notify: bgp [at] ns.sol.net mnt-by: MAINT-AS14536 changed: jgreco [at] ns.sol.net 20051111 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2602:804:1000::/44 descr: sol.net Network Services origin: AS14536 notify: bgp [at] ns.sol.net mnt-by: MAINT-AS14536 changed: jgreco [at] ns.sol.net 20200130 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2602:804:2000::/44 descr: sol.net Network Services origin: AS14536 mnt-by: MAINT-AS14536 changed: jgreco [at] ns.sol.net 20200218 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source