Robtex

Up: 192.30.224.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 192.30.224.0/22
Down right: 192.30.228.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.30.224.6	A	smtp.natus.com
192.30.224.8	A	webmail.natus.com
192.30.224.8	A	mail.xltek.com
192.30.224.62	A+PTR	uswestgpp.natus.com
192.30.224.62	A	ussancarl-egpgw.natus.com
192.30.224.228	A	n2.natus.com
192.30.224.228	A	mail.natus.com
192.30.225.62	A+PTR	usmiddlet-egpgw.natus.com
192.30.225.112	A	xudajian.com
192.30.226.5	A	ns1.50milesofideas.com
192.30.226.5	A	keeptorontoreading.com
192.30.226.5	A	keeptorontoreading.ca
192.30.226.16	A	huron.tpl.ca
192.30.226.16	A	huron.tpl.toronto.on.ca
192.30.226.16	A	huron.torontopubliclibrary.ca
192.30.226.20	A	neptune.tpl.toronto.on.ca
192.30.226.41	A	librariestoronto.com
192.30.226.41	A	www.tpl.toronto.on.ca
192.30.226.41	A	torontopubliclibraries.ca
192.30.226.48	A+PTR	tplweb08.torontopubliclibrary.ca
192.30.226.48	PTR	hip2.tpl.toronto.on.ca
192.30.226.49	A	tplweb10.torontopubliclibrary.ca
192.30.226.52	A	netmon2.tpl.toronto.on.ca
192.30.226.53	A	openmanage.tpl.toronto.on.ca
192.30.226.56	A	static.torontopubliclibrary.ca
192.30.226.62	A	proxyb2.tpl.toronto.on.ca
192.30.226.70	A+PTR	historicity.tpl.toronto.on.ca
192.30.226.70	A	historicity.ca
192.30.226.77	A	mohawk.tpl.toronto.on.ca
192.30.226.77	A	mohawk.tpl.ca
192.30.226.77	A	mohawk.torontopubliclibrary.ca
192.30.226.78	A	digit2.tpl.toronto.on.ca
192.30.226.81	A	sciencenet.tpl.toronto.on.ca
192.30.226.81	A	careerbookmarks.tpl.toronto.on.ca
192.30.226.82	A+PTR	tplweb01.tpl.toronto.on.ca
192.30.226.83	A+PTR	tplweb02.tpl.toronto.on.ca
192.30.226.98	A+PTR	itivaadmin.tpl.toronto.on.ca
192.30.226.99	A+PTR	itivadb.tpl.toronto.on.ca
192.30.226.101	A	vrlweb-p.torontopubliclibrary.ca
192.30.226.101	A	www.virtualreferencelibrary.ca
192.30.226.104	PTR	tplindex.tpl.toronto.on.ca
192.30.226.104	A	www.tpl.toronto.on.ca
192.30.226.104	A	www.torontopubliclibrary.ca
192.30.226.115	PTR	stgpub2.torontopubliclibrary.ca
192.30.226.115	A+PTR	tplcontent.tpl.toronto.on.ca
192.30.226.121	A	e1.torontopubliclibrary.ca
192.30.226.122	A	e2.torontopubliclibrary.ca
192.30.226.137	A	haida.tpl.toronto.on.ca
192.30.226.137	A	haida.torontopubliclibrary.ca
192.30.226.137	A	ns.tpl.toronto.on.ca
192.30.226.139	A	salmon.tpl.toronto.on.ca
192.30.226.149	A+PTR	tpldhcp.tpl.toronto.on.ca
192.30.226.151	A+PTR	plusserver1.tpl.toronto.on.ca
192.30.226.160	A	ns1.torontopubliclibrary.ca
192.30.226.165	A+PTR	dynix2.tpl.toronto.on.ca
192.30.226.168	PTR	tpldbs01p.torontopubliclibrary.ca
192.30.226.168	PTR	ns2.tpl.toronto.on.ca
192.30.226.184	PTR	gwia.tpl.toronto.on.ca
192.30.226.184	A	gwia.td-club-td.tpl.toronto.on.ca
192.30.226.213	A+PTR	tplapp09.tpl.toronto.on.ca
192.30.226.216	A+PTR	share.tpl.ca
192.30.226.216	PTR	tngsw.tpl.toronto.on.ca
192.30.226.223	A	wsapps1p2.tpl.toronto.on.ca
192.30.226.225	A+PTR	wsapps2p1.tpl.toronto.on.ca
192.30.226.227	A+PTR	wsappp3p.tpl.toronto.on.ca
192.30.226.229	A	wsappp3p2.tpl.toronto.on.ca
192.30.226.230	A	wsappp4p.tpl.toronto.on.ca
192.30.226.244	A	mcafeeout.tpl.toronto.on.ca
192.30.226.244	A	mcafee.tpl.toronto.on.ca
192.30.226.244	A	mcafee.torontopubliclibrary.ca
192.30.226.254	A	insite.tpl.toronto.on.ca
192.30.227.23	A	phoen1xcon.com
192.30.227.26	A	machine-gw1.us.mguard.com
192.30.227.28	A	us.cloud.mguard.com
192.30.227.49	A	processinterface.com
192.30.227.49	A	sunclix.com
192.30.227.49	A	plc-interface.com
192.30.228.1	PTR	edge.iad.resonatedigital.net
192.30.228.10	A	illuminate.resonateinsights.com
192.30.228.21	A	reson8.com
192.30.231.230	A+PTR	ext-230.iad.resonateinsights.com