Robtex

Up: 208.180.36.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 208.180.38.0/24
Down right: 208.180.39.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
208.180.38.2	A	smtp.ars-insurance.com
208.180.38.16	A	mail.omindustries.com
208.180.38.43	A+PTR	208-180-38-43.erkacmtk01.com.sta.suddenlink.net
208.180.38.43	A	multivalue.org
208.180.38.46	A	mail.tomasjewelry.com
208.180.38.49	A+PTR	barracuda.tomasjewelry.com
208.180.38.49	A	barracuda.baronidesigns.com
208.180.38.57	PTR	s208-180-38-57.erkacmtc01.eurkca.sj.sta.suddenlink.net
208.180.38.61	A	s208-180-38-61.erkacmtc01.eurkca.sj.sta.suddenlink.net
208.180.38.72	A+PTR	s208-180-38-72.erkacmtc01.eurkca.sj.sta.suddenlink.net
208.180.38.72	A	mail.iws.org
208.180.38.93	PTR	s208-180-38-93.erkacmtc01.eurkca.sj.sta.suddenlink.net
208.180.38.115	A+PTR	208-180-38-115.erkacmtk01.com.sta.suddenlink.net
208.180.38.125	A	barracuda.jasonconkey.com
208.180.38.140	PTR	bearrivertribe.com
208.180.38.153	PTR	hfd1.org
208.180.38.153	A	*.hfd1.org
208.180.38.166	PTR	s208-180-38-166.erkacmtc02.eurkca.sj.sta.suddenlink.net
208.180.38.166	A	mail.northwoodauto.com
208.180.38.191	PTR	s208-180-38-191.erkacmtc02.eurkca.sj.sta.suddenlink.net
208.180.38.204	PTR	s208-180-38-204.erkacmtc02.eurkca.sj.sta.suddenlink.net
208.180.38.214	PTR	s208-180-38-214.erkacmtc02.eurkca.sj.sta.suddenlink.net
208.180.38.214	A	mail.aecpas.com
208.180.38.218	A	mail.humbx.com
208.180.38.222	A+PTR	208-180-38-222.erkacmtk01.com.sta.suddenlink.net
208.180.38.224	PTR	208-180-38-224.erkacmtk01.com.sta.suddenlink.net
208.180.38.224	A	mail.dcibuilders.com
208.180.39.37	PTR	ns4.humboldtonline.com
208.180.39.37	A	telecomsalesdigest.com
208.180.39.37	A	mail.sonsofit.com
208.180.39.147	A+PTR	208-180-39-147.erkacmtk01.com.sta.suddenlink.net
208.180.39.148	A+PTR	208-180-39-148.erkacmtk01.com.sta.suddenlink.net
208.180.39.172	PTR	s208-180-39-172.erkacmtc04.eurkca.sj.sta.suddenlink.net
208.180.39.172	A	mail.grsinc.biz
208.180.39.175	A	llc.wtpowers.com
208.180.39.198	A	s208-180-39-198.erkacmtc04.eurkca.sj.sta.suddenlink.net
208.180.39.199	A	fairwindsmotelarcata.com
208.180.39.213	A	mail.hwma.net
208.180.39.215	A	adornicenter.com
208.180.39.222	PTR	orchidcomputers.com
208.180.39.222	A	humboldtpoultry.com
208.180.39.222	A	ncgafarmersmarket.org
208.180.39.227	A+PTR	208-180-39-227.erkacmtk01.com.sta.suddenlink.net
208.180.39.241	A	mail.eurekafamilypractice.com