Robtex

Up: 38.99.139.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 38.99.139.0/26
Down right: 38.99.139.64/26
(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