These entries are queried from radb.net using whois, you can try my project getting these.
:AS3727 route: 198.58.4.0/23 descr: shrubs origin: AS3727 notify: heas [at] shrubbery.net mnt-by: MAINT-HEAS changed: heas [at] shrubbery.net 19991028 source: NTTCOM rpki-ov-state: valid route: 205.238.48.0/24 descr: heas origin: AS3727 notify: heas [at] shrubbery.net mnt-by: MAINT-HEAS changed: heas [at] shrubbery.net 19990713 source: NTTCOM rpki-ov-state: valid route6: 2001:418:3fe::/48 descr: Proxy RO for Heas origin: AS3727 remarks: this is non-portable space, no exceptions remarks: contacts per RFC2142: remarks: Abuse / UCE reports abuse [at] ntt.net remarks: Security issues security [at] ntt.net mnt-by: MAINT-NTTCOM-RA changed: chowser [at] us.ntt.net 20180823 source: NTTCOM rpki-ov-state: valid