arin|US|ipv4|151.153.0.0|65536|19910730|assigned|241ec96bd011c3bc5756f3d9636a7a4f|e-stats
apnic|SG|ipv4|151.153.0.0|65536|19910729|assigned|A91F14FA|e-stats

apnic|ZZ|ipv4|198.51.100.0|256|20200313|reserved||e-stats
iana|ZZ|ipv4|198.51.100.0|256|20090714|ietf|ietf|iana

apnic|ZZ|ipv4|203.0.113.0|256|20200313|reserved||e-stats
iana|ZZ|ipv4|203.0.113.0|256|20090714|ietf|ietf|iana