Robtex

Up: 31.184.160.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 31.184.160.0/22
Down right: 31.184.164.0/22

IP	Type	Hostname
31.184.160.11	A	fastwaynet.net
31.184.164.1	A	ns3.arpc-ir.net
31.184.164.1	A	ns3.arpc.ir
31.184.164.2	A+PTR	mail.arpc.ir
31.184.164.2	PTR	mx.arpc.ir
31.184.164.3	PTR	tmail.arpc.ir
31.184.164.3	A	tmail.arpc-ir.net
31.184.164.9	A	mail.arpc.ir
31.184.165.65	A	mail.okialos.de
31.184.165.65	A	ns2.hmd-asnaf.ir
31.184.167.162	A+PTR	mail.dpdcir.com
31.184.167.164	A	dpdcir.com
31.184.167.216	PTR	mail.zaeim.co.ir