Robtex

Up: 89.16.64.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 89.16.64.0/20
Down right: 89.16.80.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
89.16.67.71	A	mail3.bestsmenswear.com
89.16.70.149	A	mail.thomasflynnandsons.ie
89.16.72.80	A	my-router.info
89.16.73.12	A	mail.merlyn.ie
89.16.74.34	A+PTR	mail.citynorthhotel.com
89.16.76.66	A	mail.anglo-irish.com
89.16.76.105	PTR	mail.brettsupplies.ie
89.16.76.105	A	brett.ie
89.16.76.105	A	mail.brett.ie
89.16.76.178	A+PTR	mail.pco.ie
89.16.80.51	PTR	mail.shannonvalley.ie
89.16.80.51	PTR	mail.shannonvalley.co.uk
89.16.80.79	A	mail.advantatraining.ie
89.16.80.116	A	mail.countrycrest.ie
89.16.80.226	A+PTR	mail.moneypoint.ie
89.16.81.134	A+PTR	ns3.ripplecom.net
89.16.81.135	A	ns4.ripplecom.net
89.16.82.39	A	mail.vpshields.ie
89.16.82.58	A	mail.beattys.ie
89.16.82.64	A	89-16-82-64.fibredirect.ripplecom.net
89.16.82.70	A	mail.michaelfdolan.ie
89.16.83.26	A	outlook.mawhately.ie
89.16.83.32	A	jprundle.com
89.16.83.66	A	mail.orielflues.com
89.16.83.66	A	mail.orielattachments.com
89.16.83.67	A	mail.rhmcdonnell.ie
89.16.83.72	A	mail.ferdiachocolates.com
89.16.84.14	A	mail.prochem.ie
89.16.84.17	A	remote.ipone.ie
89.16.84.84	A+PTR	mail.pkhl.ie
89.16.84.84	A+PTR	mail1.pkhl.ie
89.16.87.110	A	www.sitetagger.com
89.16.88.10	PTR	mail.careyglass.com
89.16.88.10	A	mail1.careyglass.com
89.16.88.10	A	mail1.careyglass.ie
89.16.89.45	A	mail2.accessplastics.com
89.16.90.7	A	lucybyrne.com
89.16.90.157	A	mail.intermission.ie
89.16.90.162	A	mail.n2k.ie
89.16.90.162	A	mail.network2000.ie
89.16.91.114	A	mx.aceexpresspallets.com
89.16.91.114	A	mx.aceexpresslogistics.com
89.16.91.114	A	mx.aceexpresshomedeliveries.com
89.16.91.141	A	mail.mcnallyjoinery.ie
89.16.91.189	A	mail.murphyenvironmental.ie
89.16.93.72	A	mail.caffreyinternational.com
89.16.94.54	A	mail.webapps.ie
89.16.94.54	A	mx1.webapps.ie