Robtex

Up: 212.221.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 212.221.0.0/18
Down right: 212.221.64.0/18
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.221.1.1	A	easyroad.com
212.221.7.34	PTR	mail.transportecho.be
212.221.7.194	PTR	mail.let.be
212.221.11.6	A	inwebfe.unisys.com
212.221.12.81	A	ns3.mymatchstream.com
212.221.12.81	A	ns3.matchtr.com
212.221.12.81	A	ns3.mymatchtracker.com
212.221.14.2	PTR	mail.ddynamics.be
212.221.15.5	PTR	mail.herstalgroup.com
212.221.15.5	A	mail.brgherstal.com
212.221.22.147	A	ordina-denkart.be
212.221.22.147	A	ordinadenkart.be
212.221.22.194	A	haseldonckx.be
212.221.23.10	A	noc.trancenation.be
212.221.23.10	A	cobalt.trancenation.be
212.221.23.67	PTR	firewall.lancontrol.be
212.221.23.194	PTR	mail.asadventure.com
212.221.24.66	A	nova-com.be
212.221.24.66	A	altabo.be
212.221.24.66	A	nvimssa.be
212.221.24.69	A	mail.altabo.be
212.221.24.194	PTR	mail.mm.be
212.221.26.2	A+PTR	mail.vcst.be
212.221.26.2	A	mail.vcst.com
212.221.27.66	PTR	mail.vig.be
212.221.30.139	PTR	bb.icmsgrp.com
212.221.32.221	A	tuttefrut.net
212.221.35.1	PTR	aces.be
212.221.35.62	A	mail.blb.be
212.221.37.11	PTR	mail.icssa.be
212.221.37.13	PTR	shopics.be
212.221.41.10	PTR	smtp.smb.be
212.221.41.41	PTR	smtp.smb.be
212.221.41.140	A	mail.bc-europeanstyle.com
212.221.43.4	A	mail.metallo.com
212.221.43.12	A	mail1.metallo.com
212.221.43.12	A	smtp.metallo.com
212.221.43.13	A	smtp.metallo.com
212.221.43.13	A	mail2.metallo.com
212.221.44.100	PTR	smtp.quick.fr
212.221.44.100	A	smtp2.quick.fr
212.221.44.114	A	remote.quick.fr
212.221.45.21	A	unda.com
212.221.45.207	A	unda.eu
212.221.46.161	PTR	dtzlmail.dtz.lu
212.221.46.227	PTR	mercury.arag.be
212.221.46.243	PTR	mail.dslbank.lu
212.221.49.196	PTR	mailhost.ysebaert.be
212.221.49.198	PTR	mail.ysebaert.be
212.221.52.40	A	mail.computacenter.be
212.221.52.166	PTR	domino.1s.be
212.221.52.174	A	www4.ibsbe.be
212.221.52.174	A	www.ibs-business-solutions.be
212.221.53.66	A	gate.oxyplast.be
212.221.53.86	A	mail.porte.be
212.221.54.37	PTR	fw.zespri-europe.com
212.221.54.40	A	net.zespri-europe.com
212.221.54.48	A	mail.zespri-europe.com
212.221.54.51	A	mail.zespri-europe.com
212.221.54.51	A	mobile.ha.zespri-europe.com
212.221.54.52	A	dnsc.zespri-europe.net
212.221.56.132	A	psimail.tdw.be
212.221.57.18	PTR	atticstudios.be
212.221.57.19	PTR	www.solidnetworks.be
212.221.57.228	PTR	mail.amtoys.com
212.221.60.3	A+PTR	mail.safra.lu
212.221.60.3	A	mail2.safra.lu
212.221.60.12	A	ns1.safra.lu
212.221.60.20	A	mail1.safra.lu
212.221.60.151	A	acapela-infovox.com
212.221.60.151	A	acapela-infovox.fr
212.221.60.169	A	sim.truvo.be
212.221.60.170	PTR	smtp.sim.truvo.com
212.221.60.170	A	doosaneurope.com
212.221.60.171	PTR	mail.doosan.be
212.221.62.2	PTR	ns1.belbizz.com
212.221.62.3	PTR	ns2.belbizz.com
212.221.66.82	A+PTR	domino01.tcieurope.be
212.221.66.83	A	mail.tcieurope.be
212.221.68.70	A+PTR	smtp.quick.be
212.221.68.85	A	remote.quick.be
212.221.68.100	PTR	smtp.trade-match.com
212.221.69.11	PTR	mail.copa-cogeca.be
212.221.72.2	PTR	mail.who-eu.be
212.221.73.34	PTR	mail.delente.net
212.221.74.4	PTR	webmail.isb.be
212.221.74.5	PTR	staff1.isb.be
212.221.85.161	A	ns2.mymatchtracker.com
212.221.85.161	A	ns2.mymatchstream.com
212.221.85.161	A	ns2.matchtr.com
212.221.118.190	A	xn--e1aarbjfirbx8i.xn--p1ai