Robtex

Up: 1.53.240.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 1.53.240.0/22
Down right: 1.53.244.0/22

IP	Type	Hostname
1.53.240.8	PTR	medac8.machmach.com
1.53.240.9	PTR	medac9.machmach.com
1.53.240.24	A	mishopfashion.com
1.53.240.34	PTR	medac34.machmach.com
1.53.240.42	PTR	medac42.machmach.com
1.53.240.57	PTR	medac57.machmach.com
1.53.240.59	PTR	medac59.machmach.com
1.53.240.64	PTR	medac64.machmach.com
1.53.240.74	PTR	medac74.machmach.com
1.53.240.88	PTR	medac88.machmach.com
1.53.240.89	PTR	medac89.machmach.com
1.53.240.97	PTR	medac97.machmach.com
1.53.240.139	PTR	sanny139.orcponz.net
1.53.240.140	A	gta-tgvn.com
1.53.240.209	PTR	sanny209.orcponz.net
1.53.240.251	PTR	sanny251.orcponz.net
1.53.241.2	PTR	test.fptdata.vn
1.53.241.92	PTR	mail.psi.org.vn
1.53.241.108	A	crmlenguyen.dyndns.org