Robtex

Up: 86.57.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 86.57.0.0/18
Down right: 86.57.64.0/18
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
86.57.0.19	A	ns1.byteisp.com
86.57.0.19	A	ns.byteisp.com
86.57.0.19	A	*.byteisp.com
86.57.9.208	A	newyp.lv
86.57.16.244	A	iranpixels.com
86.57.16.245	A	mail.aldonnaco.com
86.57.16.245	A	bastak.co
86.57.16.245	A	mail.onyxmaterials.com
86.57.36.40	A	ns2.iaul.ir
86.57.36.40	A	mail.iaul.ir
86.57.36.40	A	ns1.iaul.ir
86.57.63.165	A	www.kshnezam.ir
86.57.63.165	A	mail.kshnezam.ir
86.57.88.43	A	ns2.widenet.ir
86.57.88.43	A	ns1.widenet.ir
86.57.94.18	A	mail.shamsipour.ac.ir
86.57.96.45	PTR	www2.ikco.com
86.57.104.195	PTR	mail.mrud.gov.ir