These entries are queried from radb.net using whois, you can try my project getting these.
:AS141353 route: 103.157.108.0/23 origin: AS141353 descr: ANGLO AMERICAN METALLURGICAL COAL PTY LTD 201 Charlotte Street mnt-by: MAINT-AAMCPL-AU last-modified: 2020-11-11T08:00:50Z source: APNIC rpki-ov-state: valid route: 103.157.108.0/24 origin: AS141353 descr: ANGLO AMERICAN METALLURGICAL COAL PTY LTD 201 Charlotte Street mnt-by: MAINT-AAMCPL-AU last-modified: 2020-11-11T08:00:53Z source: APNIC rpki-ov-state: valid route: 103.157.109.0/24 origin: AS141353 descr: ANGLO AMERICAN METALLURGICAL COAL PTY LTD 201 Charlotte Street mnt-by: MAINT-AAMCPL-AU last-modified: 2020-11-11T08:00:55Z source: APNIC rpki-ov-state: valid route6: 2001:df5:1d80::/48 origin: AS141353 descr: ANGLO AMERICAN METALLURGICAL COAL PTY LTD 201 Charlotte Street mnt-by: MAINT-AAMCPL-AU last-modified: 2020-11-11T20:19:19Z source: APNIC rpki-ov-state: valid