Robtex

Up: 198.55.50.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 198.55.50.0/25
Down right: 198.55.50.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
198.55.50.1	PTR	hosting.rayan.biz
198.55.50.1	A	mimnoroozi.ir
198.55.50.1	A	sitejoo.com
198.55.50.2	PTR	198-55-50-2.static-ip.ravand.ca
198.55.50.2	A	ns9.rayan.biz
198.55.50.3	PTR	198-55-50-3.static-ip.ravand.ca
198.55.50.3	A	ns10.rayan.biz
198.55.50.12	PTR	198-55-50-12.static-ip.ravand.ca
198.55.50.12	A	www.did.ir
198.55.50.13	PTR	198-55-50-13.static-ip.ravand.ca
198.55.50.17	PTR	mail5.ravand.com
198.55.50.17	A	mail.samapardaz.com
198.55.50.17	A	mail.raja.ir
198.55.50.26	A	migrationbrokers.com
198.55.50.41	A	ns.mideaststones.com
198.55.50.41	A	ns.parstourism.ir
198.55.50.41	A	mail.parstourism.ir
198.55.50.42	PTR	198-55-50-42.static-ip.ravand.ca
198.55.50.42	A	ns2.asreenergy.ir
198.55.50.42	A	asreenergy.ir
198.55.50.57	PTR	mail.automodular.com
198.55.50.57	A	mail.iranoilco.com
198.55.50.57	A	mail.printranginkaman.com
198.55.50.58	A+PTR	mail58.rayan.biz
198.55.50.58	A	ns2.rayan.biz
198.55.50.60	PTR	198-55-50-60.static-ip.ravand.ca
198.55.50.60	A	mahmoudian.ca
198.55.50.60	A	ns2.pelikaniran.com
198.55.50.65	A	mail.sme24.ir
198.55.50.65	A	sme24.ir
198.55.50.65	A	ns1.sme24.ir
198.55.50.66	A	ns2.hengamnews.com
198.55.50.66	A	ns1.hengamnews.com
198.55.50.66	A	hengamnews.com
198.55.50.67	PTR	198-55-50-67.static-ip.ravand.ca
198.55.50.67	A	irtci.com
198.55.50.67	A	mail.irtci.com
198.55.50.69	PTR	198-55-50-69.static-ip.ravand.ca
198.55.50.75	PTR	198-55-50-75.static-ip.ravand.ca
198.55.50.75	A	mmic.ca
198.55.50.75	A	openroadprogram.com
198.55.50.81	PTR	198-55-50-81.static-ip.ravand.ca
198.55.50.81	A	mail.irankyokushin.com
198.55.50.81	A	mail.iranchats.com
198.55.50.82	PTR	198-55-50-82.static-ip.ravand.ca
198.55.50.82	A	hostmaster.iranianmail.com
198.55.50.82	A	*.iranpaintball.com
198.55.50.85	PTR	198-55-50-85.static-ip.ravand.ca
198.55.50.85	A	parsjournal.com
198.55.50.85	A	mail.persianpresident.com
198.55.50.97	PTR	198-55-50-97.static-ip.ravand.ca
198.55.50.97	A	pomegranatesite.net
198.55.50.97	A	dirinsanat.ir
198.55.50.99	PTR	198-55-50-99.static-ip.ravand.ca
198.55.50.100	PTR	198-55-50-100.static-ip.ravand.ca
198.55.50.100	A	www.did.ir
198.55.50.100	A	did.ir
198.55.50.101	A	iranreview.org
198.55.50.101	A	host.did.ir
198.55.50.113	PTR	198-55-50-113.static-ip.ravand.ca
198.55.50.114	A	izipcodelookup.com
198.55.50.115	A	directbiznet.com
198.55.50.115	A	www.directbiznet.com
198.55.50.117	A	ezfindhotel.com
198.55.50.117	A	www.ezfindhotel.com
198.55.50.121	A	macront.com
198.55.50.121	A	webtax4b.ca
198.55.50.121	A	webtax4u.ca
198.55.50.129	PTR	198-55-50-129.static-ip.ravand.ca
198.55.50.129	A	secure.webtax4u.ca
198.55.50.161	A	dcapp.co
198.55.50.163	PTR	198-55-50-163.static-ip.ravand.ca
198.55.50.177	A+PTR	webserving.info
198.55.50.179	PTR	198-55-50-179.static-ip.ravand.ca
198.55.50.179	A	accountomatic.net
198.55.50.179	A	freeman-mandel.com
198.55.50.180	PTR	198-55-50-180.static-ip.ravand.ca
198.55.50.180	A	mercaz.ca
198.55.50.180	A	unraveller.net
198.55.50.194	PTR	198-55-50-194.static-ip.ravand.ca
198.55.50.194	A	hosseinalizadeh.com
198.55.50.194	A	tohidco.com
198.55.50.195	PTR	198-55-50-195.static-ip.ravand.ca
198.55.50.195	A	exjoo.com
198.55.50.196	PTR	198-55-50-196.static-ip.ravand.ca
198.55.50.196	A	tehranhealth.com
198.55.50.209	PTR	198-55-50-209.static-ip.ravand.ca
198.55.50.219	PTR	198-55-50-219.static-ip.ravand.ca
198.55.50.219	A	engagedconsumers.com
198.55.50.220	PTR	198-55-50-220.static-ip.ravand.ca
198.55.50.220	A	sunwingvouchers.com
198.55.50.220	A	north49coupons.com
198.55.50.221	PTR	198-55-50-221.static-ip.ravand.ca
198.55.50.221	A	bdagentrewards.com
198.55.50.226	PTR	198-55-50-226.static-ip.ravand.ca
198.55.50.226	A	webguruscanada.com
198.55.50.249	A+PTR	mailvote.securevote.ca
198.55.50.249	A	mail.secured.vote