Robtex

Up: 5.57.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 5.57.32.0/22
Down right: 5.57.36.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
5.57.33.135	A	ns1.nisoc.ir
5.57.34.115	A+PTR	mail.oxinsteel.ir
5.57.36.100	A	apa.scu.ac.ir
5.57.38.10	A+PTR	afagh.info
5.57.38.11	PTR	ip-11.afaghhost.com
5.57.38.11	A	aficionados-china.info
5.57.38.11	A	mail.rapidnet.ir
5.57.38.12	PTR	ip-12.afaghhost.com
5.57.38.18	PTR	ip-18.afaghhost.com
5.57.38.18	A	shohadayekargar.ir
5.57.38.19	A	irancme.ir
5.57.38.19	A	www.cmeksh.ir
5.57.38.19	A	mail.tazehaonline.com
5.57.38.20	PTR	ip-20.afaghhost.com
5.57.38.30	A	beverlyhillsteaco.com
5.57.38.30	A	mail2.dbjoil.com
5.57.38.30	A	mbrc.ac.ir
5.57.38.32	A	xenonstore.ir
5.57.38.32	A	mail2.tf162.com
5.57.38.32	A	mail.azhmanstone.ir
5.57.38.33	PTR	ip-33.afaghhost.com
5.57.38.38	A	ns6.afaghhost.com
5.57.38.40	A	mail.crystal-wow.com
5.57.38.40	A	shiraztakhfif.ir
5.57.38.41	PTR	ip-41.afaghhost.com
5.57.38.41	A	banasb.com
5.57.38.41	A	www.magicariran.com
5.57.38.48	PTR	ip-48.afaghhost.com
5.57.38.48	A	mail.momtaztebsp.com
5.57.38.48	A	www.fars-hotels.com
5.57.38.50	PTR	ip-50.afaghhost.com
5.57.38.51	PTR	ip-51.afaghhost.com
5.57.38.88	PTR	ip-88.afaghhost.com
5.57.38.88	A	canadaportal.ir
5.57.38.99	A	ns1.hadafsazan.com
5.57.38.100	A	ns1.ctchmt.com
5.57.38.103	A	hipedia.org
5.57.38.104	A	mail.bimedana.com
5.57.38.104	A	myadsl.ir
5.57.38.104	A	mail2.cloobsms.com
5.57.38.105	PTR	ip-105.afaghhost.com
5.57.38.106	PTR	s105.afaghhost.com
5.57.38.110	PTR	ip-110.afaghhost.com
5.57.38.114	PTR	ir-cp.afaghhost.com
5.57.38.114	A	ns1.wisehost.ir
5.57.38.114	A	ns1.tazehaonline.ir
5.57.38.115	PTR	ip-115.afaghhost.com
5.57.38.116	PTR	ir-cp.afaghhost.com
5.57.38.120	A+PTR	jikjikshop.ir
5.57.38.120	A	jikjikshop.com
5.57.38.134	A	takpartitionco.ir