Robtex

Up: 80.75.72.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 80.75.72.0/23
Down right: 80.75.74.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.75.72.29	A+PTR	ns2.eqsn.com
80.75.72.29	A	ns2.eqsn.net
80.75.72.30	A+PTR	kyrano.eqsn.net
80.75.72.210	PTR	s03.initworks.net
80.75.72.211	PTR	nss1.initworks.net
80.75.72.213	PTR	ns1.tripolis.com
80.75.72.214	PTR	ns2.tripolis.com
80.75.72.254	A+PTR	mail.ecopm.com
80.75.72.254	A	mail.eco-european.co.uk
80.75.72.254	A	mail.uk-smg.com
80.75.73.4	PTR	jarrah2.budokit.com
80.75.73.4	A	bmx-bandits.com
80.75.73.7	A	fbuscotslaw.info
80.75.73.7	A	wearederosa.com
80.75.73.7	A	cayto.com
80.75.73.12	PTR	mx1.budokit.com
80.75.73.12	A	budoweb.com
80.75.73.12	A	triptychfestival.com
80.75.73.97	A+PTR	s2.cdlvis.com
80.75.73.102	A	myvancheck.com
80.75.73.114	PTR	d1.tecknohost.com
80.75.73.114	A	itextcheck.tv
80.75.73.114	A	admiral-carcheck.com
80.75.73.115	A	icarcheck.co
80.75.73.130	A	mail.eastwoodparktheatre.co.uk
80.75.73.130	A	mail.eastwoodparktheatre.com
80.75.73.134	A	agile-vpn.com
80.75.73.196	A	jpmorganglasgow.com
80.75.73.200	A	smartsm.org
80.75.73.200	A	smartsm.mobi
80.75.73.200	A	smartsm.net
80.75.73.230	A	mailu.infinitybyfst.com
80.75.73.239	A	fastapplications.rbs.co.uk
80.75.73.242	PTR	www.infinitybyfst.com
80.75.73.242	A	mail.infinitybyfst.com
80.75.73.242	A	mail1.infinitybyfst.com
80.75.73.243	PTR	fstscoglacf03.infinitybyfst.com
80.75.73.244	A	www.fsttechnologies.com
80.75.73.249	A	dotpost.co.uk
80.75.73.249	A	www.velopost.co.uk
80.75.73.249	A	dotpost.com
80.75.74.21	PTR	collectionhq.com
80.75.74.21	A	www.collectionhq.com
80.75.74.21	A	collectionhq2.com
80.75.74.28	A	cariliontrs.com