Robtex

Up: 120.31.80.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 120.31.80.0/22
Down right: 120.31.84.0/22

IP	Type	Hostname
120.31.81.51	PTR	ns1.eflydns.net
120.31.81.51	PTR	ns2.eflydns.net
120.31.81.59	PTR	hello.network
120.31.81.99	PTR	ns2.eflydns.net
120.31.81.99	PTR	ns1.eflydns.net
120.31.81.105	PTR	hello.network
120.31.81.146	PTR	ns1.eflydns.net
120.31.81.146	PTR	ns2.eflydns.net
120.31.81.161	PTR	ns1.eflydns.net
120.31.81.161	PTR	ns2.eflydns.net
120.31.81.187	PTR	ns1.eflydns.net
120.31.81.187	PTR	ns2.eflydns.net
120.31.81.195	PTR	ns2.eflydns.net
120.31.81.195	PTR	ns1.eflydns.net
120.31.84.242	PTR	ns2.eflydns.net
120.31.84.242	PTR	ns1.eflydns.net
120.31.87.48	PTR	ns1.eflydns.net
120.31.87.48	PTR	ns2.eflydns.net
120.31.87.56	PTR	ns1.eflydns.net
120.31.87.56	PTR	ns2.eflydns.net
120.31.87.58	PTR	ns2.eflydns.net
120.31.87.58	PTR	ns1.eflydns.net
120.31.87.64	PTR	ns1.eflydns.net
120.31.87.64	PTR	ns2.eflydns.net
120.31.87.131	PTR	ns1.eflydns.net
120.31.87.131	PTR	ns2.eflydns.net
120.31.87.153	PTR	ns2.eflydns.net
120.31.87.153	PTR	ns1.eflydns.net