Robtex

Up: 222.165.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 222.165.0.0/22
Down right: 222.165.4.0/22

IP	Type	Hostname
222.165.0.0	A	cm0.theta0.maxonline.com.sg
222.165.0.9	PTR	9.0.165.222.starhub.net.sg
222.165.0.16	PTR	cm16.theta0.maxonline.com.sg
222.165.0.34	PTR	34.0.165.222.starhub.net.sg
222.165.0.90	PTR	90.0.165.222.starhub.net.sg
222.165.0.99	PTR	99.0.165.222.starhub.net.sg
222.165.0.123	PTR	123.0.165.222.starhub.net.sg
222.165.0.168	PTR	168.0.165.222.starhub.net.sg
222.165.0.187	PTR	187.0.165.222.starhub.net.sg
222.165.0.208	PTR	208.0.165.222.starhub.net.sg
222.165.1.0	PTR	0.1.165.222.starhub.net.sg
222.165.1.3	PTR	cm3.theta1.maxonline.com.sg
222.165.1.73	PTR	73.1.165.222.starhub.net.sg
222.165.1.82	PTR	82.1.165.222.starhub.net.sg
222.165.1.99	PTR	99.1.165.222.starhub.net.sg
222.165.1.203	PTR	203.1.165.222.starhub.net.sg
222.165.1.235	PTR	235.1.165.222.starhub.net.sg
222.165.2.1	PTR	1.2.165.222.starhub.net.sg
222.165.2.18	PTR	18.2.165.222.starhub.net.sg
222.165.2.41	PTR	41.2.165.222.starhub.net.sg
222.165.2.153	PTR	153.2.165.222.starhub.net.sg
222.165.2.168	PTR	168.2.165.222.starhub.net.sg
222.165.2.186	PTR	cm186.theta2.maxonline.com.sg
222.165.2.230	A	mail.e205test.net
222.165.3.3	PTR	3.3.165.222.starhub.net.sg
222.165.3.32	PTR	unknown.maxonline.com.sg
222.165.3.64	PTR	64.3.165.222.starhub.net.sg
222.165.3.122	PTR	122.3.165.222.starhub.net.sg
222.165.3.194	PTR	194.3.165.222.starhub.net.sg
222.165.4.76	PTR	unknown.maxonline.com.sg
222.165.4.165	PTR	unknown.maxonline.com.sg
222.165.6.232	PTR	unknown.maxonline.com.sg