These entries are queried from radb.net using whois, you can try my project getting these.
:AS58437 route: 103.29.250.0/23 descr: MAPUA Institute of Technology origin: AS58437 remarks: IP Transit Client notify: nas1-n4i [at] pldt.com.ph mnt-by: MAINT-PLDT changed: nctabernilla [at] pldt.com.ph 20111111 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.29.250.0/24 descr: MAPUA Institute of Technology origin: AS58437 remarks: IP Transit Client notify: nas1-n4i [at] pldt.com.ph mnt-by: MAINT-PLDT changed: nctabernilla [at] pldt.com.ph 20111111 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.29.251.0/24 descr: MAPUA Institute of Technology origin: AS58437 remarks: IP Transit Client notify: nas1-n4i [at] pldt.com.ph mnt-by: MAINT-PLDT changed: nctabernilla [at] pldt.com.ph 20111111 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source