Robtex

Up: 74.201.48.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 74.201.48.0/22
Down right: 74.201.52.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
74.201.49.46	A	rc1.email.livenationent.com
74.201.49.47	A	rc2.email.livenationent.com
74.201.49.131	A	pacificunionfinancial.net
74.201.49.131	A	pacificunionfinancial.com
74.201.49.131	A	traveldla.e.travelandleisure.com
74.201.49.136	A	sharefile.loanpacific.com
74.201.50.4	A	mx1.email.goldennugget.net
74.201.50.4	A	mx1.offers.ticketmaster.com
74.201.50.4	A	mx1.www-mail.usnews.com
74.201.50.9	A	humpy.zt04.net
74.201.50.17	A	www-mail.usnews.com
74.201.50.17	A	notify.gamefly.com
74.201.50.17	A	email.myusairways.com
74.201.50.18	A	offers.ticketmaster.com
74.201.50.25	A	message.lynchburg.edu
74.201.50.25	A	message.loyno.edu
74.201.50.25	A	message.georgetowncollege.edu
74.201.50.34	A	newsletter.k12.com
74.201.50.84	A	ln.ztfse.com
74.201.50.86	A	cmsdb.email.livenationent.com
74.201.50.103	A	lancer.internetbrands1.com
74.201.50.123	A	omegacms.zt02.net
74.201.50.128	A	venus.zt02.net
74.201.50.129	A	pluto.zt02.net
74.201.50.161	A	onedomain.com
74.201.50.166	A	odi-internal.com
74.201.51.3	PTR	74-201-51-3.dllstx2.sc5.net
74.201.51.31	PTR	www1.ptpconnect.com
74.201.51.51	PTR	www1.whebhost.com
74.201.51.133	A	msplabs.com
74.201.51.189	A	vhost102.sprocketnetworks.com
74.201.53.118	PTR	transplace-2.border5.dal006.pnap.net
74.201.53.163	A	usatechstop.com
74.201.53.198	A+PTR	cdce.dal003.internap.com
74.201.53.198	A	sslcdce.dal003.internap.com
74.201.53.199	A+PTR	cdce.dal003.internap.com
74.201.53.199	A	sslcdce.dal003.internap.com
74.201.53.200	A+PTR	cdce.dal003.internap.com
74.201.53.200	A	sslcdce.dal003.internap.com
74.201.53.201	A+PTR	cdce.dal003.internap.com
74.201.53.201	A	sslcdce.dal003.internap.com
74.201.53.202	PTR	cdce.dal003.internap.com
74.201.53.203	PTR	cdce.dal003.internap.com
74.201.54.208	A	iklowd.com
74.201.55.17	A	sunamericabriefcase.com
74.201.55.17	A	myessentialtools.com
74.201.55.58	A	mail.maxgraphics.com
74.201.55.102	A	americanlithoinc.com
74.201.55.124	A	mail.the-printery.com
74.201.55.134	A	www.kohlerandsons.com
74.201.55.134	A	kohlerandsons.com
74.201.55.137	A	gerber-opal.com
74.201.55.139	A	bela.printinginc.com
74.201.55.179	A	piccari.com
74.201.55.179	A	digdirect.com
74.201.55.186	A	www.bobbrowncares.com
74.201.55.186	A	facebook.cgxoncampus.com
74.201.55.186	A	audigy.cgx.com