Robtex

Up: 84.19.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 84.19.32.0/22
Down right: 84.19.36.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
84.19.32.1	A+PTR	dns-cache1.vaioni.com
84.19.32.1	A	srv1.lon1.vaioni.com
84.19.32.1	A	cust.vaioni.com
84.19.32.2	PTR	srv2.lon1.vaioni.com
84.19.32.20	PTR	mail.vaioni.com
84.19.32.20	A	mail.theauthenticfoodgroup.com
84.19.32.21	A+PTR	mail2.lon1.vaioni.com
84.19.32.25	A+PTR	vscanmail.vaioni.com
84.19.32.31	A	web1.lon1.vaioni.com
84.19.32.32	A	web2.lon1.vaioni.com
84.19.32.65	A	mail.vaioni.com
84.19.32.101	A+PTR	ns1.vaioni.com
84.19.32.103	A+PTR	ns3.vaioni.com
84.19.32.156	A+PTR	mailserver.exceltechuk.com
84.19.32.156	A	etserver.co.uk
84.19.32.156	A	mailserver.etserver.co.uk
84.19.32.238	A	childrenshandwashing.com
84.19.32.238	A	3rdway.coop
84.19.32.238	A	simpology.com
84.19.33.1	PTR	www.optiva.co.uk
84.19.33.1	A	no-agencies-please.com
84.19.33.1	A	manchesterinvestment.org
84.19.34.195	A	smtp1.tradelinkww.com
84.19.34.202	PTR	u84-19-34-202.user.cust.vaioni.com
84.19.34.202	A	ns1.tradelinkww.com
84.19.35.3	A	mail.dtesupport.com
84.19.35.10	PTR	pix.office.vaioni.com
84.19.35.12	PTR	vglsrv02.office.vaioni.com
84.19.35.85	PTR	webmail.walkden.uk.com
84.19.36.91	PTR	u84-19-36-91.user.bwd.cust.vaioni.com
84.19.36.91	A	mail.nutritionpoint.net
84.19.36.91	A	mail.3from.net
84.19.36.98	PTR	u84-19-36-98.user.bwd.cust.vaioni.com
84.19.36.203	A	myzerowallet.com
84.19.36.203	A	www.myzerowallet.com
84.19.36.204	A	svr3.gohostme.co.uk
84.19.36.204	A	www.franklinroofing.co.uk
84.19.36.210	A	dowdeswellestates.co.uk
84.19.36.210	A	mail.dowdeswellestates.co.uk
84.19.37.2	PTR	u84-19-37-2.user.bwd.cust.vaioni.com
84.19.38.1	PTR	u84-19-38-1.user.cust.vaioni.com
84.19.38.158	PTR	u84-19-38-158.user.cust.vaioni.com
84.19.38.162	PTR	u84-19-38-162.user.cust.vaioni.com
84.19.38.210	PTR	u84-19-38-210.user.cust.vaioni.com
84.19.38.214	A	www.uctc.e-sussex.sch.uk
84.19.38.215	A	uctc.org.uk
84.19.38.215	A	www.uctc.org.uk
84.19.38.220	PTR	u84-19-38-220.user.cust.vaioni.com
84.19.38.221	PTR	u84-19-38-221.user.cust.vaioni.com
84.19.38.222	A	uckfield.college
84.19.38.222	A	www.uckfield.college
84.19.39.230	A	inbound.blowfishtechnology.com
84.19.39.232	A	mail.moneyreclaimexperts.co.uk
84.19.39.232	A	mailserver.haadvisory.com
84.19.39.241	PTR	u84-19-39-241.user.cust.vaioni.com
84.19.39.247	A	mail.harringtonsadvisory.co.uk
84.19.39.248	PTR	u84-19-39-248.user.cust.vaioni.com
84.19.39.248	A	smarthost.harringtonsadvisory.co.uk