Robtex

Up: 38.99.138.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 38.99.139.0/25
Down right: 38.99.139.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
38.99.139.17	A+PTR	nozh.securewebportal.com
38.99.139.17	A	ns33.azaranweb.com
38.99.139.18	A	ns34.azaranweb.com
38.99.139.19	A	ns2.figorem.com
38.99.139.32	PTR	iran-interlink.org
38.99.139.33	A+PTR	mail.faratel.com
38.99.139.40	A	mx.bashgahkar.net
38.99.139.41	A	bak-mx.alirezaghaffari.com
38.99.139.42	A+PTR	mail.aljewar.org
38.99.139.42	A	mail.hamshahripub.ir
38.99.139.43	A	ns1.hamshahripub.com
38.99.139.43	A	ns1.hamshahritraining.com
38.99.139.43	A	hamshahritraining.ir
38.99.139.44	A	ns2.hamshahripub.com
38.99.139.44	A	ns2.hamshahritraining.com
38.99.139.49	A	ns29.azaranweb.com
38.99.139.50	A	ns30.azaranweb.com
38.99.139.52	A	bak-mx.carpetpersian.com
38.99.139.52	A	bak-mx.tehranrugassn.com
38.99.139.53	A	mx.iranchicco.com
38.99.139.65	PTR	mail.ksabz.net
38.99.139.65	A	ns1.ksabz.net
38.99.139.66	A	ns2.ksabz.net
38.99.139.67	PTR	mail.ksabz.net
38.99.139.73	A	farahimtracking.com
38.99.139.73	A	crm.farahim.com
38.99.139.73	A	ns38.azaranweb.com
38.99.139.74	PTR	ns1.parsnewsonline.com
38.99.139.74	PTR	aw18-da1.securewebportal.com
38.99.139.74	A	sorinemailmarketing.com
38.99.139.75	A	ns4.parsnewsonline.com
38.99.139.75	A	ns2.parsnewsonline.com
38.99.139.76	PTR	ns4.itoptenads.com
38.99.139.76	A	tuvmembers.ir
38.99.139.76	A	ns2.itoptenads.com
38.99.139.77	A+PTR	ns5.itoptenads.com
38.99.139.77	A	mail.itoptenads.com
38.99.139.77	A	mail.tuvnord.academy
38.99.139.81	A	ns21.azaranweb.com
38.99.139.82	A	ns22.azaranweb.com
38.99.139.89	A+PTR	ns3.azaranweb.com
38.99.139.89	A	mail.avaya.ir
38.99.139.89	A	mail.sobhemrooz.com
38.99.139.90	A+PTR	ns4.azaranweb.com
38.99.139.92	A	mx.1ns.ca
38.99.139.97	A+PTR	ns7.azaranweb.com
38.99.139.98	A	daowen.ca
38.99.139.98	A	scififantasypublications.com
38.99.139.98	A	scriptophobia.com
38.99.139.100	A	ns1.azaranweb.com
38.99.139.101	A	ns2.azaranweb.com
38.99.139.101	A	daowen.pub
38.99.139.105	PTR	mail.ezamco.com
38.99.139.113	PTR	etemaad.com
38.99.139.113	A	*.manicompany.com
38.99.139.113	A	ghr-co.ir
38.99.139.121	PTR	ns36.azaranweb.com
38.99.139.121	A	mail.9art.ir
38.99.139.121	A	mail.shpersian.ir
38.99.139.122	A	ns37.azaranweb.com
38.99.139.124	A	citytower.ir
38.99.139.124	A	mail.citytower.ir
38.99.139.133	A	ns4.ebnetway.net
38.99.139.133	A	ns4.sgnetway.net
38.99.139.133	A	ns3.ebiz-international.net
38.99.139.135	PTR	mail.sgnetway.net
38.99.139.135	A	mail.gnn.ir
38.99.139.135	A	mail.arvinpaydar.com
38.99.139.136	PTR	mail2.sgnetway.net
38.99.139.136	A	mail.ciwoc.com
38.99.139.136	A	mail.zoodbepaz.com
38.99.139.138	PTR	mail.ebnetway.ir
38.99.139.138	A	mail.aratebco.com
38.99.139.138	A	mail.azinhonar.ir
38.99.139.139	A	ns5.ebnetway.net
38.99.139.139	A	ns4.ebiz-international.net
38.99.139.140	PTR	web1.sgnetway.net
38.99.139.140	A	siamakansari.com
38.99.139.140	A	www.rezasamimi.com
38.99.139.141	A	www.tetis.ir
38.99.139.141	A	sabaliftservice.ir
38.99.139.141	A	rahimian.info
38.99.139.142	PTR	web3.sgnetway.net
38.99.139.142	A	amintradingco.com
38.99.139.142	A	alooni.net
38.99.139.143	PTR	web4.sgnetway.net
38.99.139.143	A	www.andishmandco.com
38.99.139.143	A	www.mitrakavian.com
38.99.139.144	PTR	web5.sgnetway.net
38.99.139.144	A	machlub.com
38.99.139.144	A	farayand-group.com
38.99.139.145	PTR	lx01.sgnetway.net
38.99.139.145	A	ns2.sgnetway.net
38.99.139.145	A	mail.superpart.com
38.99.139.146	A	mail.majidpanahi.com
38.99.139.146	A	majidpanahi.com
38.99.139.146	A	ns9.ebiz-international.net
38.99.139.148	PTR	linux1.sgnetway.net
38.99.139.148	A	hellopersia24.com
38.99.139.148	A	nikoopendar.com
38.99.139.151	A+PTR	mail.papkogroup.com
38.99.139.152	A+PTR	mail.kalecikgroup.com
38.99.139.156	A+PTR	mail.parszomorod.com
38.99.139.157	A+PTR	mail7.sgnetway.net
38.99.139.157	A	mail.kipaco.com
38.99.139.157	A	mail.aqi.ac.ir
38.99.139.158	A+PTR	mail8.sgnetway.net
38.99.139.158	A	mail.freedomstar-co.com
38.99.139.158	A	mail.kassasanat.com
38.99.139.167	A+PTR	mail3.sgnetway.net
38.99.139.167	A	mail.iacpa.ir
38.99.139.167	A	mail.iacpapardis.ir
38.99.139.168	A+PTR	mail4.sgnetway.net
38.99.139.168	A	mx01.rippla.co
38.99.139.169	A	ariana-online.com
38.99.139.172	A	ns21.kashiha.org
38.99.139.172	A	ns10.kashiha.org
38.99.139.172	A	www.kashiha.com
38.99.139.173	A	ns21.kashiha.org
38.99.139.173	A	www.kashiha.com
38.99.139.173	A	kashiha.com
38.99.139.174	A+PTR	mail.ask-ali.com
38.99.139.174	A	mail.askali.com
38.99.139.174	A	mail.askalishow.com
38.99.139.176	PTR	server.ifpnews.com
38.99.139.176	A	ns2.ifpnews.com
38.99.139.176	A	ns1.ifpnews.com
38.99.139.180	PTR	server.mftsite.com
38.99.139.180	A	www.navrood.com
38.99.139.180	A	bakmx.webgostar.com
38.99.139.181	PTR	server.mftsite.com
38.99.139.181	A	ns2.mftsite.com
38.99.139.182	PTR	mail.mftsite.com
38.99.139.182	A	mail2.kgpco.ir
38.99.139.182	A	mail2.hashtominnoor.com
38.99.139.185	PTR	mail2.mftsite.com
38.99.139.185	PTR	mlx01.mftsite.com
38.99.139.185	A	pstta.com
38.99.139.186	PTR	mlx01.mftsite.com
38.99.139.186	A	radmechanic.com
38.99.139.186	A	mx.gamsteel.com
38.99.139.202	A	ns1.saipapress.com
38.99.139.203	A	ns2.saipapress.com
38.99.139.209	A	xn----zmc4ai1eq1a73fba01a.iranictnews.ir
38.99.139.209	A	xn-------05fcbabufe9fdxi30agcpn48s6waia.iranictnews.ir
38.99.139.217	A	ns61.parsanetwork.com
38.99.139.218	A	ns62.parsanetwork.com
38.99.139.225	A+PTR	ns11.azaranweb.com
38.99.139.226	A	ns12.azaranweb.com
38.99.139.227	A	ns5.azaranweb.com
38.99.139.228	A	ns6.azaranweb.com
38.99.139.241	A	ict.securewebportal.com